// Format RUB amount: no decimals, narrow no-break space as thousands separator
function formatRUB(amount) {
return Math.round(amount)
.toLocaleString('ru-RU')
.replace(/\u00a0/g, '\u202F');
}
// Update HTML center label (month in gray, category optional, amount in black)
function updateCenterLabel(month, amount, category = null) {
const labelEl = document.getElementById('center-label');
if (!labelEl) return;
labelEl.querySelector('.center-month').textContent = month;
labelEl.querySelector('.center-category').textContent = category || '';
labelEl.querySelector('.center-amount-num').textContent = formatRUB(amount);
labelEl.querySelector('.center-rub').textContent = '\u202F₽';
// Show/hide home icon based on drill-down state
updateDrilledDownState();
}
// Update drilled-down visual state (home icon visibility)
function updateDrilledDownState() {
const labelEl = document.getElementById('center-label');
if (!labelEl) return;
if (historyIndex > 0) {
labelEl.classList.add('drilled-down');
} else {
labelEl.classList.remove('drilled-down');
}
}
// Initialize the chart
const chartDom = document.getElementById('chart-container');
const myChart = echarts.init(chartDom);
let option;
let originalSunburstData = null; // Stores the original data for the current month (for reset on center click)
let showDefaultView = null; // Reference to reset details panel to default view
let currentView = 'month'; // 'month' | 'timeline'
// Drill-down history for back/forward navigation
let drillDownHistory = [];
let historyIndex = -1;
let currentDrillPath = []; // Tracks drill-down hierarchy: ["Еда", "Рестораны", ...]
// Save current chart state to history
function saveToHistory(data, total, contextName, isInitial = false, path = []) {
// Remove any forward history when drilling down from middle of history
if (historyIndex < drillDownHistory.length - 1) {
drillDownHistory = drillDownHistory.slice(0, historyIndex + 1);
}
drillDownHistory.push({ data, total, contextName, path: [...path] });
historyIndex = drillDownHistory.length - 1;
// Update current drill path
currentDrillPath = [...path];
// Push to browser history (use replaceState for initial state)
const state = { drillDown: historyIndex };
if (isInitial) {
history.replaceState(state, '');
} else {
history.pushState(state, '');
}
saveMonthSelectionState();
}
// Reset history (called when changing months)
function resetHistory() {
drillDownHistory = [];
historyIndex = -1;
currentDrillPath = [];
}
// Navigate to a specific history state
function navigateToHistoryState(state) {
// Use multi-month label if multiple months selected, otherwise single month name
const monthLabel = selectedMonthIndices.size > 1
? generateSelectedMonthsLabel()
: getRussianMonthName(document.getElementById('month-select').value);
option.series.data = state.data;
myChart.setOption(option, { replaceMerge: ['series'] });
updateCenterLabel(monthLabel, state.total, state.contextName);
setupHoverEvents({ total: state.total, data: state.data }, state.contextName);
// Restore drill path and update mini-charts
currentDrillPath = state.path ? [...state.path] : [];
updateAllMonthPreviews();
saveMonthSelectionState();
}
// Go back in drill-down history
function navigateBack() {
if (historyIndex > 0) {
historyIndex--;
navigateToHistoryState(drillDownHistory[historyIndex]);
}
}
// Go forward in drill-down history
function navigateForward() {
if (historyIndex < drillDownHistory.length - 1) {
historyIndex++;
navigateToHistoryState(drillDownHistory[historyIndex]);
}
}
// Go directly to root level
function goToRoot() {
if (drillDownHistory.length > 0 && historyIndex > 0) {
historyIndex = 0;
navigateToHistoryState(drillDownHistory[0]);
// Update browser history to reflect root state
history.replaceState({ drillDown: 0 }, '');
}
}
// Listen for browser back/forward via popstate
window.addEventListener('popstate', function(e) {
// If a modal is open, close it and push state back to prevent navigation
const rowDetailModal = document.getElementById('row-detail-modal');
const transactionModal = document.getElementById('transaction-modal');
if (rowDetailModal && rowDetailModal.style.display !== 'none') {
closeRowDetailModal();
// Push state back to cancel the back navigation
history.pushState(e.state, '');
return;
}
if (transactionModal && transactionModal.style.display !== 'none') {
closeTransactionModal();
// Push state back to cancel the back navigation
history.pushState(e.state, '');
return;
}
// No modal open - handle drill-down navigation
if (e.state && e.state.drillDown !== undefined) {
const stateIndex = e.state.drillDown;
if (stateIndex >= 0 && stateIndex < drillDownHistory.length) {
historyIndex = stateIndex;
navigateToHistoryState(drillDownHistory[historyIndex]);
}
} else {
// No state or initial state - go to root
if (drillDownHistory.length > 0) {
historyIndex = 0;
navigateToHistoryState(drillDownHistory[0]);
}
}
});
// Function to parse CSV data
async function parseCSV(file) {
const response = await fetch(file);
const data = await response.text();
// Split the CSV into rows
const rows = data.split('\n');
// Extract headers and remove quotes
const headers = rows[0].split(',').map(header => header.replace(/"/g, ''));
// Parse the data rows
const result = [];
for (let i = 1; i < rows.length; i++) {
if (!rows[i].trim()) continue;
// Handle commas within quoted fields
const row = [];
let inQuote = false;
let currentValue = '';
for (let j = 0; j < rows[i].length; j++) {
const char = rows[i][j];
if (char === '"') {
inQuote = !inQuote;
} else if (char === ',' && !inQuote) {
row.push(currentValue.replace(/"/g, ''));
currentValue = '';
} else {
currentValue += char;
}
}
// Push the last value
row.push(currentValue.replace(/"/g, ''));
// Create an object from headers and row values
const obj = {};
for (let j = 0; j < headers.length; j++) {
obj[headers[j]] = row[j];
}
result.push(obj);
}
return result;
}
// Function to transform data into a sunburst format
function transformToSunburst(data) {
// Calculate total spending
let totalSpending = 0;
// Group by categories
const categories = [];
const categoryMap = {};
// Store raw transactions for each microcategory to display in details
const transactionMap = {};
// Predefined colors for categories
const colors = [
'#5470c6', '#91cc75', '#fac858', '#ee6666', '#73c0de',
'#2d8041', '#fc8452', '#7b4d90', '#ea7ccc', '#4cae72',
'#d56358', '#82b1ff', '#f19143', '#addf84', '#6f7787'
];
// Debug counter
let lekarstvaCount = 0;
let emptyMicroCount = 0;
data.forEach(item => {
const category = item.category || '';
const subcategory = item.subcategory || '';
// Get original microcategory value - important for transaction filtering later
const originalMicrocategory = item.microcategory || '';
const amount = Math.abs(parseFloat(item.amount_rub));
// For display in the chart, we might use simple_name for transactions >=1000RUB
let displayMicrocategory = originalMicrocategory;
if (displayMicrocategory === '' && amount >= 1000 && item.simple_name) {
displayMicrocategory = item.simple_name;
}
// Debug Лекарства category
/*if (subcategory === "Лекарства") {
lekarstvaCount++;
console.log(`Transaction in Лекарства: ${item.simple_name}, originalMicro="${originalMicrocategory}", displayMicro="${displayMicrocategory}", amount=${amount}`);
if (originalMicrocategory === '') {
emptyMicroCount++;
}
}*/
const transactionKey = `${category}|${subcategory}|${displayMicrocategory}`;
if (!isNaN(amount)) {
totalSpending += amount;
// Create transaction object and include displayMicrocategory property
const transactionObj = {
name: item.simple_name || 'Transaction',
value: amount,
date: item.date,
microCategory: originalMicrocategory, // Store ORIGINAL value
hasNoMicroCategory: originalMicrocategory === '', // Flag for easy filtering (legacy)
displayMicrocategory: displayMicrocategory,
originalRow: item // Store full CSV row for modal display
};
// Save transaction data for detail box with ORIGINAL microcategory
if (!transactionMap[transactionKey]) {
transactionMap[transactionKey] = [];
}
transactionMap[transactionKey].push(transactionObj);
if (!categoryMap[category] && category !== '') {
categoryMap[category] = {
name: category,
value: 0,
children: {},
itemStyle: {},
transactions: [] // Will be populated with ALL transactions
};
categories.push(categoryMap[category]);
}
if (category !== '') {
if (!categoryMap[category].children[subcategory] && subcategory !== '') {
categoryMap[category].children[subcategory] = {
name: subcategory,
value: 0,
children: {},
itemStyle: {},
transactions: [] // Will be populated with ALL transactions
};
}
// Add transaction to category directly
if (categoryMap[category].transactions) {
categoryMap[category].transactions.push(transactionObj);
}
if (subcategory !== '') {
// Add transaction to subcategory directly
if (categoryMap[category].children[subcategory].transactions) {
categoryMap[category].children[subcategory].transactions.push(transactionObj);
}
if (!categoryMap[category].children[subcategory].children[displayMicrocategory] && displayMicrocategory !== '') {
categoryMap[category].children[subcategory].children[displayMicrocategory] = {
name: displayMicrocategory,
value: 0,
itemStyle: {},
transactions: []
};
}
// Add transaction to microcategory if there is one
if (displayMicrocategory !== '' &&
categoryMap[category].children[subcategory].children[displayMicrocategory].transactions) {
categoryMap[category].children[subcategory].children[displayMicrocategory].transactions.push(transactionObj);
}
categoryMap[category].value += amount;
categoryMap[category].children[subcategory].value += amount;
if (displayMicrocategory !== '') {
categoryMap[category].children[subcategory].children[displayMicrocategory].value += amount;
}
} else {
categoryMap[category].value += amount;
}
}
}
});
console.log(`Found ${lekarstvaCount} transactions in Лекарства category, ${emptyMicroCount} with empty microcategory`);
// Define fixed order for top categories
const categoryOrder = [
'Квартира',
'Еда',
'Технологии',
'Развлечения',
'Семьи',
'Здоровье',
'Логистика',
'Расходники',
'Красота'
];
// Sort categories by the predefined order
categories.sort((a, b) => {
const indexA = categoryOrder.indexOf(a.name);
const indexB = categoryOrder.indexOf(b.name);
// If both categories are in our predefined list, sort by that order
if (indexA !== -1 && indexB !== -1) {
return indexA - indexB;
}
// If only a is in the list, it comes first
else if (indexA !== -1) {
return -1;
}
// If only b is in the list, it comes first
else if (indexB !== -1) {
return 1;
}
// For categories not in our list, sort by value (largest to smallest)
else {
return b.value - a.value;
}
});
// Convert the map to an array structure for ECharts
const result = [];
// Assign colors to categories
categories.forEach((category, index) => {
const colorIndex = index % colors.length;
const baseColor = colors[colorIndex];
const categoryNode = {
name: category.name,
value: category.value,
children: [],
itemStyle: {
color: baseColor
},
transactions: category.transactions
};
// Get subcategories and sort by value
const subcategories = [];
for (const subcatKey in category.children) {
subcategories.push(category.children[subcatKey]);
}
subcategories.sort((a, b) => b.value - a.value);
// Generate color variations for subcategories based on their size
const subcatColors = generateColorGradient(baseColor, subcategories.length || 1);
// Process each subcategory
subcategories.forEach((subcategory, subIndex) => {
// Adjust subcategory color based on its relative size within category
const subcatColor = subcatColors[subIndex];
const subcategoryNode = {
name: subcategory.name,
value: subcategory.value,
children: [],
itemStyle: {
color: subcatColor
},
transactions: subcategory.transactions
};
// Get microcategories and sort by value
const microcategories = [];
for (const microKey in subcategory.children) {
microcategories.push(subcategory.children[microKey]);
}
microcategories.sort((a, b) => b.value - a.value);
// Generate color variations for microcategories based on their size
const microColors = generateColorGradient(subcatColor, microcategories.length || 1);
// Add microcategories to subcategory
microcategories.forEach((micro, microIndex) => {
subcategoryNode.children.push({
name: micro.name,
value: micro.value,
itemStyle: {
color: microColors[microIndex]
},
transactions: micro.transactions
});
});
if (subcategoryNode.children.length > 0) {
categoryNode.children.push(subcategoryNode);
} else {
categoryNode.children.push({
name: subcategory.name,
value: subcategory.value,
itemStyle: {
color: subcatColor
},
transactions: subcategory.transactions
});
}
});
result.push(categoryNode);
});
return {
total: totalSpending,
data: result
};
}
// Build ECharts stacked bar option for timeline view
function buildTimelineOption() {
const months = availableMonths;
const xLabels = months.map(m => formatMonthLabel(m));
// Collect per-category totals for each month
const categoryTotals = {}; // { categoryName: [amountForMonth0, amountForMonth1, ...] }
months.forEach((month, mi) => {
const data = monthDataCache[month];
if (!data) return;
data.forEach(item => {
const cat = item.category || '';
if (!cat) return;
const amount = Math.abs(parseFloat(item.amount_rub));
if (isNaN(amount)) return;
if (!categoryTotals[cat]) {
categoryTotals[cat] = new Array(months.length).fill(0);
}
categoryTotals[cat][mi] += amount;
});
});
// Build series in categoryOrder, then append any unknown categories
const seriesList = [];
const usedCategories = new Set();
categoryOrder.forEach((catName, ci) => {
if (!categoryTotals[catName]) return;
usedCategories.add(catName);
seriesList.push({
name: catName,
type: 'bar',
stack: 'total',
barMaxWidth: 50,
barCategoryGap: '35%',
data: categoryTotals[catName],
itemStyle: { color: categoryColors[ci] }
});
});
// Unknown categories (not in categoryOrder)
Object.keys(categoryTotals).forEach(catName => {
if (usedCategories.has(catName)) return;
seriesList.push({
name: catName,
type: 'bar',
stack: 'total',
barMaxWidth: 50,
barCategoryGap: '35%',
data: categoryTotals[catName]
});
});
return {
backgroundColor: '#fff',
tooltip: { show: false },
grid: {
left: 30,
right: '28%',
top: 30,
bottom: 30,
containLabel: true
},
xAxis: {
type: 'category',
data: xLabels,
axisLabel: { fontSize: 11 }
},
yAxis: {
type: 'value',
axisLabel: {
formatter: function(val) {
if (val >= 1000) return Math.round(val / 1000) + 'k';
return val;
},
fontSize: 11
}
},
series: seriesList
};
}
// Update details panel for timeline view
function updateTimelineDetails(monthIndex) {
const detailsHeader = document.getElementById('details-header');
const topItemsEl = document.getElementById('top-items');
// Reset header to clean state (remove any eye buttons from sunburst mode)
detailsHeader.innerHTML = '';
const hoverName = detailsHeader.querySelector('.hover-name');
const hoverAmount = detailsHeader.querySelector('.hover-amount');
let monthLabel, data;
if (monthIndex === null || monthIndex === undefined) {
monthLabel = 'Все месяцы';
data = [];
for (const month of availableMonths) {
if (monthDataCache[month]) data.push(...monthDataCache[month]);
}
} else {
const month = availableMonths[monthIndex];
monthLabel = formatMonthLabel(month);
data = monthDataCache[month] || [];
}
// Compute category totals
const catTotals = {};
let total = 0;
data.forEach(item => {
const cat = item.category || '';
if (!cat) return;
const amount = Math.abs(parseFloat(item.amount_rub));
if (isNaN(amount)) return;
catTotals[cat] = (catTotals[cat] || 0) + amount;
total += amount;
});
hoverName.textContent = monthLabel;
hoverAmount.textContent = formatRUB(total) + '\u202F₽';
// Sort by value descending
const sorted = Object.entries(catTotals).sort((a, b) => b[1] - a[1]);
topItemsEl.innerHTML = '';
sorted.forEach(([cat, amount]) => {
const pct = ((amount / total) * 100).toFixed(1);
const colorIdx = categoryOrder.indexOf(cat);
const color = colorIdx !== -1 ? categoryColors[colorIdx] : '#999';
const item = document.createElement('div');
item.className = 'top-item';
item.innerHTML = `${cat}${pct}%${formatRUB(amount)}\u202F₽`;
topItemsEl.appendChild(item);
});
}
// Switch between month (sunburst) and timeline (stacked bar) views
function switchView(viewName) {
if (viewName === currentView) return;
currentView = viewName;
// Update switcher button active state
document.querySelectorAll('.view-switcher-btn').forEach(btn => {
btn.classList.toggle('active', btn.dataset.view === viewName);
});
const container = document.querySelector('.container');
if (viewName === 'timeline') {
container.classList.add('timeline-mode');
// Remove all chart event listeners
myChart.off('click');
myChart.off('mouseover');
myChart.off('mouseout');
myChart.off('globalout');
// Resize after layout change, then render stacked bar
myChart.resize();
myChart.setOption(buildTimelineOption(), true);
// Hover events update the details panel
myChart.on('mouseover', function(params) {
if (params.componentType === 'series') {
updateTimelineDetails(params.dataIndex);
}
});
myChart.on('globalout', function() {
updateTimelineDetails(null);
});
// Show aggregate by default
updateTimelineDetails(null);
// Click handler: clicking a bar switches to month view for that month
myChart.on('click', function(params) {
if (params.componentType === 'series') {
const monthIndex = params.dataIndex;
if (monthIndex >= 0 && monthIndex < availableMonths.length) {
selectedMonthIndices.clear();
selectedMonthIndices.add(monthIndex);
currentMonthIndex = monthIndex;
switchView('month');
selectMonth(monthIndex);
saveMonthSelectionState();
}
}
});
} else {
container.classList.remove('timeline-mode');
// Remove all chart event listeners
myChart.off('click');
myChart.off('mouseover');
myChart.off('mouseout');
myChart.off('globalout');
// Clear chart completely so no bar chart remnants remain
myChart.clear();
option = null;
// Resize after layout change, then re-render sunburst from scratch
myChart.resize();
renderSelectedMonths();
}
saveMonthSelectionState();
}
// Function to get Russian month name from YYYY-MM format
function getRussianMonthName(dateStr) {
const monthNum = parseInt(dateStr.split('-')[1]);
const russianMonths = [
'Январь', 'Февраль', 'Март', 'Апрель', 'Май', 'Июнь',
'Июль', 'Август', 'Сентябрь', 'Октябрь', 'Ноябрь', 'Декабрь'
];
return russianMonths[monthNum - 1];
}
// Function to render the chart
function renderChart(data) {
const sunburstData = transformToSunburst(data);
const restoredPath = [...currentDrillPath];
// Store the original data for resetting (module-level variable)
originalSunburstData = JSON.parse(JSON.stringify(sunburstData));
// Reset and initialize history with the root state
resetHistory();
saveToHistory(sunburstData.data, sunburstData.total, null, true, []);
// Get the currently selected month label
const selectedMonth = document.getElementById('month-select').value;
const russianMonth = selectedMonthIndices.size > 1
? generateSelectedMonthsLabel()
: getRussianMonthName(selectedMonth);
// Calculate the correct center position first
const screenWidth = window.innerWidth;
let centerPosition;
if (screenWidth <= 850) {
// Stacked layout: center the chart since details box is below
centerPosition = 50;
} else if (screenWidth >= 1000) {
// For screens 1000px and wider, keep centered at 50%
centerPosition = 50;
} else {
// Gradual transition between 850-1000px (side-by-side layout)
const transitionProgress = (screenWidth - 850) / 150; // 0 to 1
centerPosition = 40 + (transitionProgress * 10); // 40 to 50
}
// Mobile: scale chart to fill container, hide outside labels
const isMobile = screenWidth <= 500;
// Mobile: extend layers to fill container, keeping same hole size as desktop
// Hole stays at 20%, layers scaled to fill remaining 80% (vs 55% on desktop)
const level1Inner = '20%';
const level1Outer = isMobile ? '56%' : '45%';
const level2Outer = isMobile ? '93%' : '70%';
const level3Outer = isMobile ? '100%' : '75%';
const outerRadius = isMobile ? '100%' : '95%';
// Smaller font sizes on mobile, bolder for readability
const level1FontSize = isMobile ? 10 : 13;
const level1LineHeight = isMobile ? 12 : 15;
const level1FontWeight = isMobile ? 600 : 500;
const level2FontSize = isMobile ? 9 : 11;
const level2FontWeight = isMobile ? 600 : 400;
option = {
backgroundColor: '#fff',
grid: {
left: '10%',
containLabel: true
},
animation: true,
//animationThreshold: 2000,
//animationDuration: 1000,
//animationEasing: 'cubicOut',
//animationDurationUpdate: 500,
//animationEasingUpdate: 'cubicInOut',
series: {
type: 'sunburst',
radius: [0, outerRadius],
center: [`${centerPosition}%`, '50%'],
startAngle: 0,
nodeClick: false,
data: sunburstData.data,
sort: null, // Use 'null' to maintain the sorting we did in the data transformation
label: {
show: true,
formatter: function(param) {
if (param.depth === 0) {
// No word wrapping for top-level categories
return param.name;
} else {
return '';
}
},
minAngle: 5,
align: 'center',
verticalAlign: 'middle',
position: 'inside'
},
itemStyle: {
borderWidth: 1,
borderColor: '#fff'
},
levels: [
{},
{
// First level - Categories
r0: level1Inner,
r: level1Outer,
label: {
show: true,
rotate: 'radial',
fontSize: level1FontSize,
lineHeight: level1LineHeight,
fontWeight: level1FontWeight,
verticalAlign: 'center',
position: 'inside',
formatter: function(param) {
// No special formatting for level 1
return param.name;
}
},
itemStyle: {
borderWidth: 2
}
},
{
// Second level - Subcategories
r0: level1Outer,
r: level2Outer,
label: {
show: function(param) {
// Show labels for sectors that are at least 5% of the total
return param.percent >= 0.05;
},
fontSize: level2FontSize,
fontWeight: level2FontWeight,
align: 'center',
position: 'inside',
distance: 5,
formatter: function(param) {
// If there's only one word, never wrap it
if (!param.name.includes(' ')) {
return param.name;
}
// If the text contains spaces, consider word wrapping for better visibility
const words = param.name.split(' ');
// Skip wrapping for single words or very small sectors
// Estimate sector size from value percentage
if (words.length === 1 || param.percent < 0.03) {
return param.name;
}
// Process words to keep short prepositions (< 4 chars) with the next word
const processedWords = [];
let i = 0;
while (i < words.length) {
if (i < words.length - 1 && words[i].length < 4) {
// Combine short word with the next word
processedWords.push(words[i] + ' ' + words[i+1]);
i += 2;
} else {
processedWords.push(words[i]);
i++;
}
}
// Skip wrapping if we're down to just one processed word
if (processedWords.length === 1) {
return processedWords[0];
}
// If only 2 processed words, put one on each line
if (processedWords.length == 2) {
return processedWords[0] + '\n' + processedWords[1];
}
// If 3 processed words, put each word on its own line
else if (processedWords.length == 3) {
return processedWords[0] + '\n' + processedWords[1] + '\n' + processedWords[2];
}
// For more words, split more aggressively
else if (processedWords.length > 3) {
// Try to create 3 relatively even lines
const part1 = Math.floor(processedWords.length / 3);
const part2 = Math.floor(processedWords.length * 2 / 3);
return processedWords.slice(0, part1).join(' ') + '\n' +
processedWords.slice(part1, part2).join(' ') + '\n' +
processedWords.slice(part2).join(' ');
}
return param.name;
}
},
itemStyle: {
borderWidth: 1
},
emphasis: {
label: {
show: true,
distance: 20
}
}
},
{
// Third level - Microcategories
r0: level2Outer,
r: level3Outer,
label: {
// Only show labels conditionally based on segment size
// On mobile, hide outside labels to maximize chart size
show: isMobile ? false : function(param) {
// Show label if segment is wide enough (>1%)
return param.percent > 0.000;
},
position: isMobile ? 'inside' : 'outside',
padding: 3,
minAngle: 3, // Add this - default is 5, reducing it will show more labels
silent: false,
fontSize: 10,
formatter: function(param) {
// If there's only one word, never wrap it
if (!param.name.includes(' ')) {
return param.name;
}
// If the text contains spaces, consider word wrapping for better visibility
const words = param.name.split(' ');
// Skip wrapping for single words or very small sectors
// Estimate sector size from value percentage
if (words.length === 1 || param.percent < 0.02) {
return param.name;
}
// Process words to keep short prepositions (< 4 chars) with the next word
const processedWords = [];
let i = 0;
while (i < words.length) {
if (i < words.length - 1 && words[i].length < 4) {
// Combine short word with the next word
processedWords.push(words[i] + ' ' + words[i+1]);
i += 2;
} else {
processedWords.push(words[i]);
i++;
}
}
// Skip wrapping if we're down to just one processed word
if (processedWords.length === 1) {
return processedWords[0];
}
// If only 2 processed words, put one on each line
if (processedWords.length == 2) {
return processedWords[0] + '\n' + processedWords[1];
}
// If 3 processed words, put each word on its own line
else if (processedWords.length == 3) {
return processedWords[0] + '\n' + processedWords[1] + '\n' + processedWords[2];
}
// For more words, split more aggressively
else if (processedWords.length > 3) {
// Try to create 3 relatively even lines
const part1 = Math.floor(processedWords.length / 3);
const part2 = Math.floor(processedWords.length * 2 / 3);
return processedWords.slice(0, part1).join(' ') + '\n' +
processedWords.slice(part1, part2).join(' ') + '\n' +
processedWords.slice(part2).join(' ');
}
return param.name;
}
},
itemStyle: {
borderWidth: 3
}
}
],
emphasis: {
focus: 'relative'
},
// Add more space between wedges
gap: 2,
tooltip: {
trigger: 'item',
formatter: function(info) {
const value = formatRUB(info.value);
const name = info.name;
// Calculate percentage of total
const percentage = ((info.value / sunburstData.total) * 100).toFixed(1);
return `${name}
Amount: ${value}\u202F₽
Percentage: ${percentage}%`;
}
}
},
graphic: {
elements: [] // Center label is now HTML overlay
}
};
// Handle chart events - drill-down on click
myChart.off('click');
myChart.on('click', function(params) {
if (!params.data) return; // Skip if no data
const colorPalette = [
'#5470c6', '#91cc75', '#fac858', '#ee6666', '#73c0de',
'#3ba272', '#fc8452', '#9a60b4', '#ea7ccc', '#4cae72'
];
// If we have children or transactions, drill down
if ((params.data.children && params.data.children.length > 0) || (params.data.transactions && params.data.transactions.length > 0)) {
// Transform the data structure for drill-down
const newData = [];
// Handle different cases based on the type of node clicked
if (params.data.children && params.data.children.length > 0) {
// Case 1: Node has children (category or subcategory)
const sortedChildren = sortBySubcategoryOrder(params.data.children, params.name);
const predefinedOrder = subcategoryOrder[params.name] || [];
// Process each child, tracking unknown item count for color assignment
let unknownCount = 0;
sortedChildren.forEach((child, i) => {
const isUnknown = !predefinedOrder.includes(child.name);
const color = getSubcategoryColor(params.name, child.name, i, isUnknown ? unknownCount++ : null);
const newCategory = {
name: child.name,
value: child.value,
transactions: child.transactions, // Preserve for modal
itemStyle: {
color: color
},
children: []
};
// If child has children (microcategories), they become subcategories
if (child.children && child.children.length > 0) {
const sortedMicros = [...child.children].sort((a, b) => b.value - a.value);
const microColors = generateColorGradient(color, sortedMicros.length);
sortedMicros.forEach((micro, j) => {
const microCategory = {
name: micro.name,
value: micro.value,
transactions: micro.transactions, // Preserve for modal
itemStyle: {
color: microColors[j]
},
children: [] // Will hold transactions
};
// If micro has transactions, add them as children
if (micro.transactions && micro.transactions.length > 0) {
const sortedTransactions = [...micro.transactions].sort((a, b) => b.value - a.value);
const transactionColors = generateColorGradient(microColors[j], sortedTransactions.length);
sortedTransactions.forEach((transaction, k) => {
microCategory.children.push({
name: transaction.name,
value: transaction.value,
itemStyle: {
color: transactionColors[k]
},
originalRow: transaction.originalRow
});
});
}
newCategory.children.push(microCategory);
});
}
// Add transactions without microcategory as subcategories
if (child.transactions) {
const transactionsWithoutMicro = child.transactions.filter(t => t.displayMicrocategory === '');
if (transactionsWithoutMicro.length > 0) {
// Group similar transactions
const transactionGroups = {};
transactionsWithoutMicro.forEach(t => {
if (!transactionGroups[t.name]) {
transactionGroups[t.name] = {
name: t.name,
value: 0,
transactions: []
};
}
transactionGroups[t.name].value += t.value;
transactionGroups[t.name].transactions.push(t);
});
// Add transaction groups as subcategories
const groups = Object.values(transactionGroups).sort((a, b) => b.value - a.value);
const transactionColors = generateColorGradient(color, groups.length);
groups.forEach((group, j) => {
const transactionCategory = {
name: group.name,
value: group.value,
transactions: group.transactions, // Preserve for modal
itemStyle: {
color: transactionColors[j]
},
children: [] // Will hold individual transactions
};
// Add individual transactions as the third level
if (group.transactions.length > 0) {
const sortedTransactions = [...group.transactions].sort((a, b) => b.value - a.value);
const individualColors = generateColorGradient(transactionColors[j], sortedTransactions.length);
sortedTransactions.forEach((transaction, k) => {
transactionCategory.children.push({
name: transaction.name,
value: transaction.value,
itemStyle: {
color: individualColors[k]
},
originalRow: transaction.originalRow
});
});
}
newCategory.children.push(transactionCategory);
});
}
}
newData.push(newCategory);
});
} else if (params.data.transactions && params.data.transactions.length > 0) {
// Case 2: Node has transactions but no children (microcategory)
// Group transactions by name
const transactionGroups = {};
params.data.transactions.forEach(t => {
if (!transactionGroups[t.name]) {
transactionGroups[t.name] = {
name: t.name,
value: 0,
transactions: []
};
}
transactionGroups[t.name].value += t.value;
transactionGroups[t.name].transactions.push(t);
});
// Create categories from transaction groups
const groups = Object.values(transactionGroups).sort((a, b) => b.value - a.value);
groups.forEach((group, i) => {
const color = colorPalette[i % colorPalette.length];
const transactionCategory = {
name: group.name,
value: group.value,
transactions: group.transactions, // Preserve for modal
itemStyle: {
color: color
},
children: [] // Will hold individual transactions
};
// Add individual transactions as subcategories
if (group.transactions.length > 0) {
const sortedTransactions = [...group.transactions].sort((a, b) => b.value - a.value);
const transactionColors = generateColorGradient(color, sortedTransactions.length);
sortedTransactions.forEach((transaction, j) => {
transactionCategory.children.push({
name: transaction.name,
value: transaction.value,
itemStyle: {
color: transactionColors[j]
},
originalRow: transaction.originalRow
});
});
}
newData.push(transactionCategory);
});
}
// Build the new path by appending the clicked category
const newPath = [...currentDrillPath, params.name];
saveToHistory(newData, params.value, params.name, false, newPath);
// Update the chart with the new data structure
option.series.data = newData;
// Update the center text to show the drilled-down category
const monthLabel = selectedMonthIndices.size > 1
? generateSelectedMonthsLabel()
: getRussianMonthName(document.getElementById('month-select').value);
myChart.setOption(option, { replaceMerge: ['series'] });
updateCenterLabel(monthLabel, params.value, params.name);
// Update hover events with the new data structure, passing the drilled-down name
setupHoverEvents({ total: params.value, data: newData }, params.name);
// Update mini-chart previews to reflect drill-down
updateAllMonthPreviews();
}
});
myChart.setOption(option);
// Try to restore drill-down path on initial render (e.g., after page reload)
const restoredState = navigateToPath(sunburstData, restoredPath);
if (restoredState) {
option.series.data = restoredState.data;
myChart.setOption(option, { replaceMerge: ['series'] });
saveToHistory(restoredState.data, restoredState.total, restoredState.contextName, false, restoredState.path);
updateCenterLabel(russianMonth, restoredState.total, restoredState.contextName);
setupHoverEvents({ total: restoredState.total, data: restoredState.data }, restoredState.contextName);
updateAllMonthPreviews();
} else {
// Update HTML center label
updateCenterLabel(russianMonth, sunburstData.total);
// Set up hover events for the details box
setupHoverEvents(sunburstData);
}
// Add click handler for the center to go back in history
const zr = myChart.getZr();
zr.on('click', function(params) {
const x = params.offsetX;
const y = params.offsetY;
// Calculate center and inner radius
const chartWidth = myChart.getWidth();
const chartHeight = myChart.getHeight();
const centerX = chartWidth * (parseFloat(option.series.center[0]) / 100);
const centerY = chartHeight * (parseFloat(option.series.center[1]) / 100);
const innerRadius = Math.min(chartWidth, chartHeight) * 0.2; // 20% of chart size
// Check if click is within the center circle
const distance = Math.sqrt(Math.pow(x - centerX, 2) + Math.pow(y - centerY, 2));
if (distance < innerRadius && historyIndex > 0) {
history.back(); // Use browser history - triggers popstate
}
});
// Ensure chart is properly sized after rendering
adjustChartSize();
myChart.resize();
}
// Function to generate a color gradient
function generateColorGradient(baseColor, steps) {
const result = [];
const base = tinycolor(baseColor);
// Get the base hue value (0-360)
const baseHue = base.toHsl().h;
// Create a more dramatic gradient based on size
for (let i = 0; i < steps; i++) {
// Calculate percentage position in the sequence (0 to 1)
const position = i / (steps - 1 || 1);
let color = base.clone();
// Modify hue - shift around the color wheel based on size
// Smaller items (position closer to 0): shift hue towards cooler colors (-30 degrees)
// Larger items (position closer to 1): shift hue towards warmer colors (+30 degrees)
const hueShift = 15-(position*15); // Ranges from -30 to +30
// Apply HSL transformations
const hsl = color.toHsl();
//hsl.h = (baseHue + hueShift) % 360; // Keep hue within 0-360 range
// Also adjust saturation and lightness for even more distinction
/* if (position < 0.5) {
// Smaller items: more saturated, darker
hsl.s = Math.min(1, hsl.s * (1.3 - position * 0.6)); // Increase saturation up to 30%
hsl.l = Math.max(0.2, hsl.l * (0.85 + position * 0.3)); // Slightly darker
} else {
// Larger items: slightly less saturated, brighter
hsl.s = Math.min(1, hsl.s * (0.9 + position * 0.2)); // Slightly reduce saturation
hsl.l = Math.min(0.9, hsl.l * (1.1 + (position - 0.5) * 0.2)); // Brighter
}*/
result.push(tinycolor(hsl).toString());
}
return result;
}
// Load TinyColor library for color manipulation
function loadTinyColor() {
return new Promise((resolve, reject) => {
if (window.tinycolor) {
resolve();
return;
}
const script = document.createElement('script');
script.src = 'https://cdnjs.cloudflare.com/ajax/libs/tinycolor/1.4.2/tinycolor.min.js';
script.onload = resolve;
script.onerror = reject;
document.head.appendChild(script);
});
}
// Global state for month navigation
let availableMonths = [];
let currentMonthIndex = 0;
let selectedMonthIndices = new Set(); // Track all selected months for multi-selection
let monthDataCache = {}; // Cache for month data previews
const MONTH_SELECTION_STORAGE_KEY = 'visual-spending:month-selection';
function saveMonthSelectionState() {
try {
const selectedMonths = [...selectedMonthIndices]
.map(index => availableMonths[index])
.filter(Boolean);
const currentMonth = availableMonths[currentMonthIndex] || null;
localStorage.setItem(MONTH_SELECTION_STORAGE_KEY, JSON.stringify({
currentMonth,
selectedMonths,
drillPath: [...currentDrillPath],
view: currentView
}));
} catch (error) {
// Ignore storage failures (private mode, disabled storage, etc.)
}
}
function restoreMonthSelectionState() {
try {
const raw = localStorage.getItem(MONTH_SELECTION_STORAGE_KEY);
if (!raw) return false;
const saved = JSON.parse(raw);
if (!saved || !Array.isArray(saved.selectedMonths) || saved.selectedMonths.length === 0) {
return false;
}
const restoredIndices = saved.selectedMonths
.map(month => availableMonths.indexOf(month))
.filter(index => index >= 0);
if (restoredIndices.length === 0) {
return false;
}
selectedMonthIndices = new Set(restoredIndices);
const restoredCurrentIndex = availableMonths.indexOf(saved.currentMonth);
if (restoredCurrentIndex >= 0 && selectedMonthIndices.has(restoredCurrentIndex)) {
currentMonthIndex = restoredCurrentIndex;
} else {
currentMonthIndex = Math.max(...selectedMonthIndices);
}
if (Array.isArray(saved.drillPath)) {
currentDrillPath = [...saved.drillPath];
} else {
currentDrillPath = [];
}
// Defer timeline restore so chart is initialized first
if (saved.view === 'timeline') {
requestAnimationFrame(() => switchView('timeline'));
}
return true;
} catch (error) {
return false;
}
}
// Predefined colors for categories (same as in transformToSunburst)
const categoryColors = [
'#5470c6', '#91cc75', '#fac858', '#ee6666', '#73c0de',
'#2d8041', '#fc8452', '#7b4d90', '#ea7ccc', '#4cae72',
'#d56358', '#82b1ff', '#f19143', '#addf84', '#6f7787'
];
// Fixed order for categories
const categoryOrder = [
'Квартира', 'Еда', 'Технологии', 'Развлечения', 'Семьи',
'Здоровье', 'Логистика', 'Расходники', 'Красота'
];
// Fixed subcategory colors based on December 2025 data (sorted by value)
// This ensures consistent colors across all months
const subcategoryColors = {
'Квартира': {
'ЖКХ': '#5470c6',
'Лев Петрович': '#91cc75'
},
'Еда': {
'Продукты': '#5470c6',
'Готовая': '#91cc75'
},
'Технологии': {
'Инфраструктура домашнего интернета': '#5470c6',
'Умный дом': '#91cc75',
'AI': '#fac858',
'Мобильная связь': '#ee6666'
},
'Развлечения': {
'Подарки': '#5470c6',
'Хобби Антона': '#91cc75',
'Хобби Залины': '#fac858',
'Подписки': '#ee6666',
'Чтение': '#73c0de',
'Работа Залины': '#3ba272',
'Девайсы': '#fc8452'
},
'Семьи': {
'Залина': '#5470c6',
'Антон': '#91cc75'
},
'Здоровье': {
'Терапия': '#5470c6',
'Лекарства': '#91cc75',
'Спортивное питание': '#fac858'
},
'Логистика': {
'Такси': '#5470c6',
'Доставка': '#91cc75',
'Чаевые': '#fac858'
},
'Расходники': {
'Замена разных фильтров': '#5470c6',
'Санитарное': '#91cc75',
'Батарейки': '#fac858',
'Мелкий ремонт': '#ee6666',
'Средства для посудомоек': '#73c0de'
},
'Красота': {
'Одежда': '#5470c6',
'Салоны красоты': '#91cc75',
'Кремы': '#fac858'
}
};
// Color palette for items not in the predefined mapping
const defaultColorPalette = [
'#5470c6', '#91cc75', '#fac858', '#ee6666', '#73c0de',
'#3ba272', '#fc8452', '#9a60b4', '#ea7ccc', '#4cae72'
];
// Fixed subcategory order derived from subcategoryColors (December 2025 order)
const subcategoryOrder = {};
for (const category in subcategoryColors) {
subcategoryOrder[category] = Object.keys(subcategoryColors[category]);
}
// Get color for a subcategory, using fixed mapping or fallback to index-based
// unknownIndex: for unknown subcategories, pass the count of unknown items before this one
function getSubcategoryColor(category, subcategory, index, unknownIndex = null) {
if (subcategoryColors[category] && subcategoryColors[category][subcategory]) {
return subcategoryColors[category][subcategory];
}
// For unknown subcategories, use colors starting after the predefined ones
const predefinedCount = subcategoryOrder[category] ? subcategoryOrder[category].length : 0;
// Use unknownIndex if provided, otherwise calculate from index minus predefined items that might be before
const colorIndex = unknownIndex !== null ? unknownIndex : index;
return defaultColorPalette[(predefinedCount + colorIndex) % defaultColorPalette.length];
}
// Sort items by fixed subcategory order, with unknown items at the end sorted by value
function sortBySubcategoryOrder(items, parentCategory, nameGetter = (item) => item.name) {
const order = subcategoryOrder[parentCategory] || [];
return [...items].sort((a, b) => {
const aName = nameGetter(a);
const bName = nameGetter(b);
const aIndex = order.indexOf(aName);
const bIndex = order.indexOf(bName);
// Both in predefined order - sort by that order
if (aIndex !== -1 && bIndex !== -1) {
return aIndex - bIndex;
}
// Only a is in predefined order - a comes first
if (aIndex !== -1) return -1;
// Only b is in predefined order - b comes first
if (bIndex !== -1) return 1;
// Neither in predefined order - sort by value descending
const aValue = typeof a === 'object' ? (a.value || 0) : 0;
const bValue = typeof b === 'object' ? (b.value || 0) : 0;
return bValue - aValue;
});
}
// Generate conic-gradient CSS for a month's category breakdown
function generateMonthPreviewGradient(data) {
// Group by category and sum amounts
const categoryTotals = {};
let total = 0;
data.forEach(item => {
const category = item.category || '';
const amount = Math.abs(parseFloat(item.amount_rub));
if (!isNaN(amount) && category) {
categoryTotals[category] = (categoryTotals[category] || 0) + amount;
total += amount;
}
});
if (total === 0) return 'conic-gradient(from 90deg, #eee 0deg 360deg)';
// Sort categories by predefined order
const sortedCategories = Object.keys(categoryTotals).sort((a, b) => {
const indexA = categoryOrder.indexOf(a);
const indexB = categoryOrder.indexOf(b);
if (indexA !== -1 && indexB !== -1) return indexA - indexB;
if (indexA !== -1) return -1;
if (indexB !== -1) return 1;
return categoryTotals[b] - categoryTotals[a];
});
// Build conic-gradient
const gradientStops = [];
let currentAngle = 0;
sortedCategories.forEach((category, index) => {
const percentage = categoryTotals[category] / total;
const angle = percentage * 360;
const colorIndex = categoryOrder.indexOf(category);
const color = colorIndex !== -1 ? categoryColors[colorIndex] : categoryColors[index % categoryColors.length];
gradientStops.push(`${color} ${currentAngle}deg ${currentAngle + angle}deg`);
currentAngle += angle;
});
return `conic-gradient(from 90deg, ${gradientStops.join(', ')})`;
}
// Find category data at a given path in month's transaction data
function findCategoryDataAtPath(monthData, path) {
if (!path || path.length === 0) {
return null; // No drill-down, use full data
}
// Group transactions by the hierarchy at this path level
const categoryName = path[0];
// Filter transactions belonging to this category
const filteredTransactions = monthData.filter(item => item.category === categoryName);
if (filteredTransactions.length === 0) {
return { empty: true }; // Category doesn't exist in this month
}
if (path.length === 1) {
// Return subcategory breakdown
return { transactions: filteredTransactions, level: 'subcategory' };
}
// Path length >= 2, filter by subcategory
const subcategoryName = path[1];
const subFiltered = filteredTransactions.filter(item => item.subcategory === subcategoryName);
if (subFiltered.length === 0) {
return { empty: true };
}
if (path.length === 2) {
// Return microcategory breakdown
return { transactions: subFiltered, level: 'microcategory' };
}
// Path length >= 3, filter by microcategory
const microcategoryName = path[2];
const microFiltered = subFiltered.filter(item => item.microcategory === microcategoryName);
if (microFiltered.length === 0) {
return { empty: true };
}
// Return transaction-level breakdown
return { transactions: microFiltered, level: 'transaction' };
}
// Get the base color for a drill-down path
function getPathBaseColor(path) {
if (!path || path.length === 0) {
return categoryColors[0];
}
const categoryName = path[0];
const categoryIndex = categoryOrder.indexOf(categoryName);
if (categoryIndex !== -1) {
return categoryColors[categoryIndex];
}
return categoryColors[0];
}
// Generate gradient for a month at the current drill-down path
function generateDrilledDownGradient(monthData, path) {
const result = findCategoryDataAtPath(monthData, path);
// No drill-down - use original function
if (!result) {
return generateMonthPreviewGradient(monthData);
}
// Empty state - category doesn't exist
if (result.empty) {
return 'conic-gradient(from 90deg, #e0e0e0 0deg 360deg)';
}
const { transactions, level } = result;
// Group by the appropriate field based on level
const groupField = level === 'subcategory' ? 'subcategory'
: level === 'microcategory' ? 'microcategory'
: 'simple_name';
const totals = {};
let total = 0;
transactions.forEach(item => {
const key = item[groupField] || '(без категории)';
const amount = Math.abs(parseFloat(item.amount_rub));
if (!isNaN(amount)) {
totals[key] = (totals[key] || 0) + amount;
total += amount;
}
});
if (total === 0) {
return 'conic-gradient(from 90deg, #e0e0e0 0deg 360deg)';
}
// Get the parent category for color lookup and ordering
const parentCategory = path.length > 0 ? path[0] : null;
// Sort by fixed subcategory order (for first level), fallback to value for unknown items
const order = subcategoryOrder[parentCategory] || [];
const sortedKeys = Object.keys(totals).sort((a, b) => {
const aIndex = order.indexOf(a);
const bIndex = order.indexOf(b);
// Both in predefined order - sort by that order
if (aIndex !== -1 && bIndex !== -1) return aIndex - bIndex;
// Only a is in predefined order - a comes first
if (aIndex !== -1) return -1;
// Only b is in predefined order - b comes first
if (bIndex !== -1) return 1;
// Neither in predefined order - sort by value descending
return totals[b] - totals[a];
});
const gradientStops = [];
let currentAngle = 0;
const predefinedOrder = parentCategory ? (subcategoryOrder[parentCategory] || []) : [];
let unknownCount = 0;
sortedKeys.forEach((key, index) => {
const percentage = totals[key] / total;
const angle = percentage * 360;
// Use fixed subcategory colors for first level, fallback to palette for deeper levels
let color;
if (level === 'subcategory' && parentCategory) {
const isUnknown = !predefinedOrder.includes(key);
color = getSubcategoryColor(parentCategory, key, index, isUnknown ? unknownCount++ : null);
} else {
color = defaultColorPalette[index % defaultColorPalette.length];
}
gradientStops.push(`${color} ${currentAngle}deg ${currentAngle + angle}deg`);
currentAngle += angle;
});
return `conic-gradient(from 90deg, ${gradientStops.join(', ')})`;
}
// Update all month preview gradients based on current drill path
function updateAllMonthPreviews() {
const buttons = document.querySelectorAll('.month-btn');
buttons.forEach(btn => {
const month = btn.dataset.month;
const preview = btn.querySelector('.month-preview');
if (preview && monthDataCache[month]) {
preview.style.background = generateDrilledDownGradient(monthDataCache[month], currentDrillPath);
}
});
}
// Format month for display: "2025-01" -> "Январь'25"
function formatMonthLabel(dateStr) {
const [year, month] = dateStr.split('-');
const shortYear = year.slice(-2);
const russianMonths = [
'Январь', 'Февраль', 'Март', 'Апрель', 'Май', 'Июнь',
'Июль', 'Август', 'Сентябрь', 'Октябрь', 'Ноябрь', 'Декабрь'
];
const monthName = russianMonths[parseInt(month) - 1];
return `${monthName}'${shortYear}`;
}
// Load all available month files
async function loadAvailableMonths() {
// Load TinyColor first
await loadTinyColor();
// Fetch available months from server
const response = await fetch('/api/months');
availableMonths = await response.json();
if (availableMonths.length === 0) {
console.error('No month data files found');
return;
}
const select = document.getElementById('month-select');
const monthList = document.getElementById('month-list');
// Clear existing options
select.innerHTML = '';
monthList.innerHTML = '';
// Populate hidden select (for compatibility with renderChart)
availableMonths.forEach(month => {
const option = document.createElement('option');
option.value = month;
option.textContent = month;
select.appendChild(option);
});
// Load data for all months and create buttons with previews
await Promise.all(availableMonths.map(async (month, index) => {
const data = await parseCSV(`altcats-${month}.csv`);
monthDataCache[month] = data;
}));
// Create month buttons with previews
availableMonths.forEach((month, index) => {
const btn = document.createElement('button');
btn.className = 'month-btn';
btn.dataset.month = month;
btn.dataset.index = index;
// Create preview circle
const preview = document.createElement('div');
preview.className = 'month-preview';
preview.style.background = generateMonthPreviewGradient(monthDataCache[month]);
// Create label
const label = document.createElement('span');
label.className = 'month-label';
label.textContent = formatMonthLabel(month);
btn.appendChild(preview);
btn.appendChild(label);
btn.addEventListener('click', (event) => {
if (event.metaKey || event.ctrlKey) {
// Cmd/Ctrl+click: toggle individual month
toggleMonthSelection(index);
} else if (event.shiftKey) {
// Shift+click: select interval from current to clicked
selectMonthInterval(index);
} else {
selectSingleMonth(index);
}
});
monthList.appendChild(btn);
});
// Restore previous month selection when possible, otherwise default to latest month
if (restoreMonthSelectionState()) {
if (selectedMonthIndices.size > 1) {
await renderSelectedMonths();
} else {
await selectMonth(currentMonthIndex);
}
} else {
currentMonthIndex = availableMonths.length - 1;
selectedMonthIndices.clear();
selectedMonthIndices.add(currentMonthIndex);
await selectMonth(currentMonthIndex);
saveMonthSelectionState();
}
// Set up arrow button handlers
document.getElementById('prev-month').addEventListener('click', (event) => {
if (currentMonthIndex > 0) {
if (event.metaKey || event.ctrlKey) {
// Cmd/Ctrl+arrow: toggle previous month
toggleMonthSelection(currentMonthIndex - 1);
} else if (event.shiftKey) {
// Shift+arrow: extend selection to previous month
selectMonthInterval(currentMonthIndex - 1);
} else {
selectSingleMonth(currentMonthIndex - 1);
}
}
});
document.getElementById('next-month').addEventListener('click', (event) => {
if (currentMonthIndex < availableMonths.length - 1) {
if (event.metaKey || event.ctrlKey) {
// Cmd/Ctrl+arrow: toggle next month
toggleMonthSelection(currentMonthIndex + 1);
} else if (event.shiftKey) {
// Shift+arrow: extend selection to next month
selectMonthInterval(currentMonthIndex + 1);
} else {
selectSingleMonth(currentMonthIndex + 1);
}
}
});
// Set up home icon click handler (go back to root)
const homeIcon = document.querySelector('.center-home');
if (homeIcon) {
homeIcon.addEventListener('click', () => {
if (historyIndex > 0) {
history.back();
}
});
}
// Set up view switcher
document.querySelectorAll('.view-switcher-btn').forEach(btn => {
btn.addEventListener('click', () => {
switchView(btn.dataset.view);
});
});
}
// Transform children data for drill-down (extracted from click handler)
function transformDrillDownData(parentNode, parentCategoryName) {
const newData = [];
const sortedChildren = sortBySubcategoryOrder(parentNode.children, parentCategoryName);
const predefinedOrder = subcategoryOrder[parentCategoryName] || [];
let unknownCount = 0;
sortedChildren.forEach((child, i) => {
const isUnknown = !predefinedOrder.includes(child.name);
const color = getSubcategoryColor(parentCategoryName, child.name, i, isUnknown ? unknownCount++ : null);
const newCategory = {
name: child.name,
value: child.value,
transactions: child.transactions,
itemStyle: { color: color },
children: []
};
if (child.children && child.children.length > 0) {
const sortedMicros = [...child.children].sort((a, b) => b.value - a.value);
const microColors = generateColorGradient(color, sortedMicros.length);
sortedMicros.forEach((micro, j) => {
const microCategory = {
name: micro.name,
value: micro.value,
transactions: micro.transactions,
itemStyle: { color: microColors[j] },
children: []
};
if (micro.transactions && micro.transactions.length > 0) {
const sortedTransactions = [...micro.transactions].sort((a, b) => b.value - a.value);
const transactionColors = generateColorGradient(microColors[j], sortedTransactions.length);
sortedTransactions.forEach((transaction, k) => {
microCategory.children.push({
name: transaction.name,
value: transaction.value,
itemStyle: { color: transactionColors[k] },
originalRow: transaction.originalRow
});
});
}
newCategory.children.push(microCategory);
});
}
if (child.transactions) {
const transactionsWithoutMicro = child.transactions.filter(t => t.displayMicrocategory === '');
if (transactionsWithoutMicro.length > 0) {
const transactionGroups = {};
transactionsWithoutMicro.forEach(t => {
if (!transactionGroups[t.name]) {
transactionGroups[t.name] = { name: t.name, value: 0, transactions: [] };
}
transactionGroups[t.name].value += t.value;
transactionGroups[t.name].transactions.push(t);
});
const groups = Object.values(transactionGroups).sort((a, b) => b.value - a.value);
const transactionColors = generateColorGradient(color, groups.length);
groups.forEach((group, j) => {
const transactionCategory = {
name: group.name,
value: group.value,
transactions: group.transactions,
itemStyle: { color: transactionColors[j] },
children: []
};
if (group.transactions.length > 0) {
const sortedTransactions = [...group.transactions].sort((a, b) => b.value - a.value);
const individualColors = generateColorGradient(transactionColors[j], sortedTransactions.length);
sortedTransactions.forEach((transaction, k) => {
transactionCategory.children.push({
name: transaction.name,
value: transaction.value,
itemStyle: { color: individualColors[k] },
originalRow: transaction.originalRow
});
});
}
newCategory.children.push(transactionCategory);
});
}
}
newData.push(newCategory);
});
return newData;
}
// Transform transaction-only data for drill-down
function transformTransactionData(node) {
const colorPalette = [
'#5470c6', '#91cc75', '#fac858', '#ee6666', '#73c0de',
'#3ba272', '#fc8452', '#9a60b4', '#ea7ccc', '#4cae72'
];
const transactionGroups = {};
node.transactions.forEach(t => {
if (!transactionGroups[t.name]) {
transactionGroups[t.name] = { name: t.name, value: 0, transactions: [] };
}
transactionGroups[t.name].value += t.value;
transactionGroups[t.name].transactions.push(t);
});
const newData = [];
const groups = Object.values(transactionGroups).sort((a, b) => b.value - a.value);
groups.forEach((group, i) => {
const color = colorPalette[i % colorPalette.length];
const transactionCategory = {
name: group.name,
value: group.value,
transactions: group.transactions,
itemStyle: { color: color },
children: []
};
if (group.transactions.length > 0) {
const sortedTransactions = [...group.transactions].sort((a, b) => b.value - a.value);
const transactionColors = generateColorGradient(color, sortedTransactions.length);
sortedTransactions.forEach((transaction, j) => {
transactionCategory.children.push({
name: transaction.name,
value: transaction.value,
itemStyle: { color: transactionColors[j] },
originalRow: transaction.originalRow
});
});
}
newData.push(transactionCategory);
});
return newData;
}
// Navigate to a path in the given sunburst data, returns drilled data or null if path not found
function navigateToPath(sunburstData, path) {
if (!path || path.length === 0) {
return null; // Stay at root
}
// Try to find each level of the path
let currentData = sunburstData.data;
let currentTotal = sunburstData.total;
let currentName = null;
let validPath = [];
for (let i = 0; i < path.length; i++) {
const targetName = path[i];
const found = currentData.find(item => item.name === targetName);
if (!found) {
// Path level not found, return what we have so far
break;
}
validPath.push(targetName);
currentName = targetName;
currentTotal = found.value;
// Transform this level's children to become top-level (same as click handler logic)
if (found.children && found.children.length > 0) {
currentData = transformDrillDownData(found, targetName);
} else if (found.transactions && found.transactions.length > 0) {
currentData = transformTransactionData(found);
} else {
// No more levels to drill into
break;
}
}
if (validPath.length === 0) {
return null; // Couldn't match any part of path
}
return {
data: currentData,
total: currentTotal,
contextName: currentName,
path: validPath
};
}
// Toggle a month in/out of multi-selection (Cmd/Ctrl+click behavior)
async function toggleMonthSelection(index) {
if (selectedMonthIndices.has(index)) {
// Don't allow deselecting the last month
if (selectedMonthIndices.size > 1) {
selectedMonthIndices.delete(index);
// If we removed the current navigation index, update it to another selected month
if (index === currentMonthIndex) {
currentMonthIndex = Math.max(...selectedMonthIndices);
}
}
} else {
selectedMonthIndices.add(index);
currentMonthIndex = index; // Update navigation index to the newly added month
}
await renderSelectedMonths();
saveMonthSelectionState();
}
// Select a single month (normal click behavior)
async function selectSingleMonth(index) {
selectedMonthIndices.clear();
selectedMonthIndices.add(index);
await selectMonth(index);
saveMonthSelectionState();
}
// Select interval from current month to target (Shift+click behavior)
async function selectMonthInterval(targetIndex) {
const start = Math.min(currentMonthIndex, targetIndex);
const end = Math.max(currentMonthIndex, targetIndex);
selectedMonthIndices.clear();
for (let i = start; i <= end; i++) {
selectedMonthIndices.add(i);
}
currentMonthIndex = targetIndex;
await renderSelectedMonths();
saveMonthSelectionState();
}
// Merge transaction data from multiple months
function mergeMonthsData(monthIndices) {
const allTransactions = [];
for (const index of monthIndices) {
const month = availableMonths[index];
const data = monthDataCache[month];
if (data) {
allTransactions.push(...data);
}
}
return allTransactions;
}
// Generate label for selected months
function generateSelectedMonthsLabel() {
if (selectedMonthIndices.size === 1) {
const index = [...selectedMonthIndices][0];
return getRussianMonthName(availableMonths[index]);
}
const sortedIndices = [...selectedMonthIndices].sort((a, b) => a - b);
// Check if consecutive
let isConsecutive = true;
for (let i = 1; i < sortedIndices.length; i++) {
if (sortedIndices[i] !== sortedIndices[i - 1] + 1) {
isConsecutive = false;
break;
}
}
if (isConsecutive && sortedIndices.length > 1) {
// Range: "Январь - Март"
const firstMonth = getRussianMonthName(availableMonths[sortedIndices[0]]);
const lastMonth = getRussianMonthName(availableMonths[sortedIndices[sortedIndices.length - 1]]);
return `${firstMonth} – ${lastMonth}`;
} else {
// Non-consecutive: "3 месяца"
const count = sortedIndices.length;
// Russian plural rules for "месяц"
if (count === 1) return '1 месяц';
if (count >= 2 && count <= 4) return `${count} месяца`;
return `${count} месяцев`;
}
}
// Render chart with data from all selected months
async function renderSelectedMonths() {
// Merge data from all selected months
const mergedData = mergeMonthsData(selectedMonthIndices);
const savedPath = [...currentDrillPath];
// Update UI
updateMonthNavigator();
// Update hidden select for compatibility (use first selected month)
const sortedIndices = [...selectedMonthIndices].sort((a, b) => a - b);
const select = document.getElementById('month-select');
select.value = availableMonths[sortedIndices[0]];
// Generate month label
const monthLabel = generateSelectedMonthsLabel();
// Transform merged data to sunburst
const sunburstData = transformToSunburst(mergedData);
// Update the module-level original data for center-click reset
originalSunburstData = JSON.parse(JSON.stringify(sunburstData));
// Reset history for the new selection
resetHistory();
// Try to restore the same drill-down path in merged view
const navigatedState = navigateToPath(sunburstData, savedPath);
let targetData, targetTotal, targetName, targetPath;
if (navigatedState) {
saveToHistory(sunburstData.data, sunburstData.total, null, true, []);
targetData = navigatedState.data;
targetTotal = navigatedState.total;
targetName = navigatedState.contextName;
targetPath = navigatedState.path;
saveToHistory(targetData, targetTotal, targetName, false, targetPath);
} else {
targetData = sunburstData.data;
targetTotal = sunburstData.total;
targetName = null;
targetPath = [];
saveToHistory(targetData, targetTotal, targetName, true, targetPath);
}
// Update the chart
if (option && option.series && option.series.data) {
option.series.data = targetData;
myChart.setOption({
series: [{
type: 'sunburst',
data: targetData,
layoutAnimation: true,
animationDuration: 500,
animationEasing: 'cubicInOut'
}]
}, {
lazyUpdate: false,
silent: false
});
updateCenterLabel(monthLabel, targetTotal, targetName);
setupHoverEvents({ total: targetTotal, data: targetData }, targetName);
updateAllMonthPreviews();
} else {
// Initial render
renderChart(mergedData);
}
// Scroll to show the current navigation month
const activeBtn = document.querySelector('.month-btn.active');
if (activeBtn) {
activeBtn.scrollIntoView({ behavior: 'smooth', inline: 'center', block: 'nearest' });
}
saveMonthSelectionState();
}
// Select and load a specific month
async function selectMonth(index) {
const month = availableMonths[index];
// If clicking on the already-selected month while drilled down, reset to root
if (index === currentMonthIndex && currentDrillPath.length > 0 && drillDownHistory.length > 0) {
goToRoot();
return;
}
currentMonthIndex = index;
// Update hidden select for compatibility
const select = document.getElementById('month-select');
select.value = month;
// Update month button active states
updateMonthNavigator();
// Load and render data
const data = monthDataCache[month] || await parseCSV(`altcats-${month}.csv`);
// Check if chart already has data (for animation)
if (option && option.series && option.series.data) {
const sunburstData = transformToSunburst(data);
// Update the module-level original data for center-click reset
originalSunburstData = JSON.parse(JSON.stringify(sunburstData));
// Save the current drill path before modifying state
const savedPath = [...currentDrillPath];
// Reset history for the new month
resetHistory();
// Try to navigate to the same path in the new month
const navigatedState = navigateToPath(sunburstData, savedPath);
let targetData, targetTotal, targetName, targetPath;
if (navigatedState) {
// Successfully navigated to (part of) the path
// First save the root state so we can go back to it
saveToHistory(sunburstData.data, sunburstData.total, null, true, []);
targetData = navigatedState.data;
targetTotal = navigatedState.total;
targetName = navigatedState.contextName;
targetPath = navigatedState.path;
// Save the drilled-down state
saveToHistory(targetData, targetTotal, targetName, false, targetPath);
} else {
// Stay at root level
targetData = sunburstData.data;
targetTotal = sunburstData.total;
targetName = null;
targetPath = [];
// Save initial state
saveToHistory(targetData, targetTotal, targetName, true, targetPath);
}
// Update the data
option.series.data = targetData;
// Update the total amount in the center text
const russianMonth = getRussianMonthName(month);
myChart.setOption({
series: [{
type: 'sunburst',
data: targetData,
layoutAnimation: true,
animationDuration: 500,
animationEasing: 'cubicInOut'
}]
}, {
lazyUpdate: false,
silent: false
});
updateCenterLabel(russianMonth, targetTotal, targetName);
// Update hover events
setupHoverEvents({ total: targetTotal, data: targetData }, targetName);
// Update mini-chart previews
updateAllMonthPreviews();
} else {
// Initial render
renderChart(data);
}
// Scroll selected month button into view
const activeBtn = document.querySelector('.month-btn.active');
if (activeBtn) {
activeBtn.scrollIntoView({ behavior: 'smooth', inline: 'center', block: 'nearest' });
}
saveMonthSelectionState();
}
// Update month navigator UI state
function updateMonthNavigator() {
// Update button active states
const buttons = document.querySelectorAll('.month-btn');
buttons.forEach((btn, index) => {
if (selectedMonthIndices.has(index)) {
btn.classList.add('active');
} else {
btn.classList.remove('active');
}
});
// Update arrow disabled states
const prevBtn = document.getElementById('prev-month');
const nextBtn = document.getElementById('next-month');
prevBtn.disabled = currentMonthIndex === 0;
nextBtn.disabled = currentMonthIndex === availableMonths.length - 1;
}
// Initialize the visualization
async function initVisualization() {
await loadAvailableMonths();
// Ensure the chart is properly sized on initial load
myChart.resize();
}
// Start the application
initVisualization();
// Handle window resize
window.addEventListener('resize', function() {
if (currentView === 'month') {
adjustChartSize();
}
myChart.resize();
});
// Function to adjust chart size based on screen width
function adjustChartSize() {
// Check if option is defined
if (!option) return;
const screenWidth = window.innerWidth;
const isMobile = screenWidth <= 500;
// Mobile: extend layers to fill container, keeping same hole size as desktop
// Hole stays at 20%, layers scaled to fill remaining 80% (vs 55% on desktop)
const level1Inner = '20%';
const level1Outer = isMobile ? '56%' : '45%';
const level2Outer = isMobile ? '93%' : '70%';
const level3Outer = isMobile ? '100%' : '75%';
const outerRadius = isMobile ? '100%' : '95%';
// Smaller font sizes on mobile, bolder for readability
const level1FontSize = isMobile ? 10 : 13;
const level1LineHeight = isMobile ? 12 : 15;
const level1FontWeight = isMobile ? 600 : 500;
const level2FontSize = isMobile ? 9 : 11;
const level2FontWeight = isMobile ? 600 : 400;
// Update layer proportions
option.series.levels[1].r0 = level1Inner;
option.series.levels[1].r = level1Outer;
option.series.levels[2].r0 = level1Outer;
option.series.levels[2].r = level2Outer;
option.series.levels[3].r0 = level2Outer;
option.series.levels[3].r = level3Outer;
option.series.radius = [0, outerRadius];
// Update font sizes and weights
option.series.levels[1].label.fontSize = level1FontSize;
option.series.levels[1].label.lineHeight = level1LineHeight;
option.series.levels[1].label.fontWeight = level1FontWeight;
option.series.levels[2].label.fontSize = level2FontSize;
option.series.levels[2].label.fontWeight = level2FontWeight;
// Update level 3 labels: hide on mobile, show on desktop (with conditions)
if (isMobile) {
option.series.levels[3].label.show = false;
option.series.levels[3].label.position = 'inside';
} else if (screenWidth < 950) {
option.series.levels[3].label.show = false;
option.series.levels[3].label.position = 'outside';
} else {
option.series.levels[3].label.show = function(param) {
return param.percent > 0.000;
};
option.series.levels[3].label.position = 'outside';
}
// Calculate center position
let centerPosition;
if (screenWidth <= 850) {
// Stacked layout: center the chart since details box is below
centerPosition = 50;
} else if (screenWidth >= 1000) {
centerPosition = 50;
} else {
// Gradual transition between 850-1000px (side-by-side layout)
const transitionProgress = (screenWidth - 850) / 150;
centerPosition = 40 + (transitionProgress * 10);
}
// Update chart center position
option.series.center = [`${centerPosition}%`, '50%'];
myChart.setOption(option);
}
// Add mouseover handler to update details box
function setupHoverEvents(sunburstData, contextName = null) {
const topItemsElement = document.getElementById('top-items');
// Create a container for details header with name and amount
const detailsHeader = document.getElementById('details-header') || document.createElement('div');
detailsHeader.id = 'details-header';
detailsHeader.className = 'details-header';
if (!document.getElementById('details-header')) {
const detailsBox = document.querySelector('.details-box');
detailsBox.insertBefore(detailsHeader, detailsBox.firstChild);
}
// Variables to track the circular boundary - will be recalculated when needed
let chartCenterX, chartCenterY, chartRadius;
// Function to recalculate chart center and radius for hover detection
function recalculateChartBoundary() {
const chartCenter = option.series.center;
chartCenterX = chartDom.offsetWidth * (parseFloat(chartCenter[0]) / 100);
chartCenterY = chartDom.offsetHeight * (parseFloat(chartCenter[1]) / 100);
chartRadius = Math.min(chartDom.offsetWidth, chartDom.offsetHeight) *
(parseFloat(option.series.radius[1]) / 100);
}
// Initial calculation of chart boundary
recalculateChartBoundary();
// Update chart boundary on resize
window.addEventListener('resize', recalculateChartBoundary);
// Check if point is inside the sunburst chart circle
function isInsideChart(x, y) {
const dx = x - chartCenterX;
const dy = y - chartCenterY;
const distance = Math.sqrt(dx * dx + dy * dy);
return distance <= chartRadius;
}
// Floating eye button for chart
const chartEyeBtn = document.getElementById('chart-eye-btn');
let currentHoveredSectorData = null;
let hideButtonTimeout = null;
let isOverEyeButton = false;
let isOverChartSector = false; // Track if mouse is over any chart sector
let lastMouseX = 0;
let lastMouseY = 0;
let mouseMovingTimeout = null; // Timer to detect mouse inactivity
let isMouseMoving = false; // Track if mouse is actively moving
// Calculate the center angle of a sector based on its data
function getSectorLayoutFromChart(params) {
// Use ECharts internal data model to get actual rendered layout
try {
const seriesModel = myChart.getModel().getSeriesByIndex(0);
if (!seriesModel) return null;
const data = seriesModel.getData();
if (!data) return null;
// Get the layout for this specific data item
const layout = data.getItemLayout(params.dataIndex);
if (layout) {
return {
startAngle: layout.startAngle,
endAngle: layout.endAngle,
r: layout.r, // outer radius
r0: layout.r0, // inner radius
cx: layout.cx, // center x
cy: layout.cy // center y
};
}
} catch (e) {
console.log('Could not get layout from chart model:', e);
}
return null;
}
// Track current hovered sector for persistent button display
let currentHoveredSectorParams = null;
let pendingButtonPosition = null; // Store button position when mouse stops
// Update button visibility based on mouse movement state
function updateButtonVisibility() {
if (!chartEyeBtn) return;
// Show button if mouse is moving OR hovering over the button itself
if ((isMouseMoving || isOverEyeButton) && pendingButtonPosition) {
chartEyeBtn.style.left = pendingButtonPosition.left;
chartEyeBtn.style.top = pendingButtonPosition.top;
chartEyeBtn.style.transform = pendingButtonPosition.transform;
chartEyeBtn.style.opacity = '1';
chartEyeBtn.style.pointerEvents = 'auto';
} else if (!isOverEyeButton) {
chartEyeBtn.style.opacity = '0';
chartEyeBtn.style.pointerEvents = 'none';
}
}
// Handle mouse movement on chart - show button while moving, hide after 0.5s of inactivity
function onChartMouseMove() {
isMouseMoving = true;
updateButtonVisibility();
// Clear existing timeout
if (mouseMovingTimeout) {
clearTimeout(mouseMovingTimeout);
}
// Set timeout to hide button after 0.5 second of no movement
mouseMovingTimeout = setTimeout(() => {
isMouseMoving = false;
updateButtonVisibility();
}, 500);
}
// Add mousemove listener to chart container
chartDom.addEventListener('mousemove', onChartMouseMove);
// Position and show the floating eye button near the hovered sector
function showChartEyeButton(params) {
if (!chartEyeBtn || !params.event) return;
// Clear any pending hide timeout
if (hideButtonTimeout) {
clearTimeout(hideButtonTimeout);
hideButtonTimeout = null;
}
currentHoveredSectorData = params.data;
currentHoveredSectorParams = params;
isOverChartSector = true;
// Get actual layout from ECharts internal model
const layout = getSectorLayoutFromChart(params);
if (layout && layout.cx !== undefined) {
// Calculate mid-angle of the sector
const midAngle = (layout.startAngle + layout.endAngle) / 2;
// Normalize angle to determine which side of the chart
let normalizedAngle = midAngle % (2 * Math.PI);
if (normalizedAngle < 0) normalizedAngle += 2 * Math.PI;
// Left side: angle between π/2 and 3π/2 (90° to 270°)
// On left side, labels read from edge to center, so button goes near inner edge
// On right side, labels read from center to edge, so button goes near outer edge
const isLeftSide = normalizedAngle > Math.PI / 2 && normalizedAngle < 3 * Math.PI / 2;
// Position button at the appropriate edge based on label reading direction
const buttonRadius = isLeftSide
? layout.r0 + 15 // Inner edge for left side (labels read inward)
: layout.r - 15; // Outer edge for right side (labels read outward)
// Calculate button position at the sector's mid-angle
const buttonX = layout.cx + buttonRadius * Math.cos(midAngle);
const buttonY = layout.cy + buttonRadius * Math.sin(midAngle);
// Calculate rotation for the icon to match sector orientation
let rotationDeg = (midAngle * 180 / Math.PI);
if (isLeftSide) {
rotationDeg += 180;
}
// Store the button position
pendingButtonPosition = {
left: (buttonX - 12) + 'px',
top: (buttonY - 12) + 'px',
transform: `rotate(${rotationDeg}deg)`
};
// Only show if mouse is moving or hovering over button
updateButtonVisibility();
} else {
// Fallback: clear pending position if we can't get layout
pendingButtonPosition = null;
chartEyeBtn.style.opacity = '0';
chartEyeBtn.style.pointerEvents = 'none';
}
}
// Hide the floating eye button with a delay
function hideChartEyeButton(force = false) {
// Don't hide if mouse is over the button
if (isOverEyeButton && !force) return;
// Clear existing timeout
if (hideButtonTimeout) {
clearTimeout(hideButtonTimeout);
}
// Use longer delay if mouse is still in chart area (gives time for sector re-hover)
const stillInChart = isInsideChart(lastMouseX, lastMouseY);
const delay = stillInChart ? 400 : 200;
hideButtonTimeout = setTimeout(() => {
// Double-check: don't hide if now over button or still over a chart sector
if (!isOverEyeButton && !isOverChartSector && chartEyeBtn) {
chartEyeBtn.style.opacity = '0';
chartEyeBtn.style.pointerEvents = 'none';
currentHoveredSectorData = null;
currentHoveredSectorParams = null;
}
}, delay);
}
// Handle click on floating eye button
if (chartEyeBtn) {
chartEyeBtn.addEventListener('click', (e) => {
e.stopPropagation();
if (currentHoveredSectorData) {
openTransactionModal(currentHoveredSectorData);
// Hide button after opening modal
chartEyeBtn.style.opacity = '0';
chartEyeBtn.style.pointerEvents = 'none';
isOverEyeButton = false;
}
});
// Track when mouse is over the button
chartEyeBtn.addEventListener('mouseenter', () => {
isOverEyeButton = true;
isInsideSection = true; // Keep details panel showing sector info
if (hideButtonTimeout) {
clearTimeout(hideButtonTimeout);
hideButtonTimeout = null;
}
// Keep the sector highlighted while hovering over eye button
if (currentHoveredSectorParams && currentHoveredSectorParams.dataIndex !== undefined) {
myChart.dispatchAction({
type: 'highlight',
seriesIndex: 0,
dataIndex: currentHoveredSectorParams.dataIndex
});
}
});
chartEyeBtn.addEventListener('mouseleave', (e) => {
isOverEyeButton = false;
// Check if we're still in the chart area
const rect = chartDom.getBoundingClientRect();
const mouseX = e.clientX - rect.left;
const mouseY = e.clientY - rect.top;
if (isInsideChart(mouseX, mouseY)) {
// Still in chart - wait longer for ECharts to potentially re-trigger mouseover
// The delay in hideChartEyeButton will handle this
isOverChartSector = true; // Assume still over sector until proven otherwise
} else {
// Leaving chart area - remove highlight
if (currentHoveredSectorParams && currentHoveredSectorParams.dataIndex !== undefined) {
myChart.dispatchAction({
type: 'downplay',
seriesIndex: 0,
dataIndex: currentHoveredSectorParams.dataIndex
});
}
}
hideChartEyeButton();
});
}
// Function to display items in the details box
function displayDetailsItems(items, parentValue) {
// Clear previous top items
topItemsElement.innerHTML = '';
// If we have items to show
if (items.length > 0) {
// Create elements for each item
items.forEach(item => {
const itemDiv = document.createElement('div');
itemDiv.className = 'top-item';
const nameSpan = document.createElement('span');
nameSpan.className = 'top-item-name';
// Add colored circle
const colorCircle = document.createElement('span');
colorCircle.className = 'color-circle';
// Use the item's color if available, otherwise use a default
if (item.itemStyle && item.itemStyle.color) {
colorCircle.style.backgroundColor = item.itemStyle.color;
} else if (item.color) {
colorCircle.style.backgroundColor = item.color;
} else {
colorCircle.style.backgroundColor = '#cccccc';
}
nameSpan.appendChild(colorCircle);
nameSpan.appendChild(document.createTextNode(item.name));
itemDiv.appendChild(nameSpan);
// Add percentage after name if we have a parent value
if (parentValue) {
const percentSpan = document.createElement('span');
percentSpan.className = 'top-item-percent';
const percentage = ((item.value / parentValue) * 100).toFixed(1);
percentSpan.textContent = percentage + '%';
itemDiv.appendChild(percentSpan);
}
// Add eye button for viewing transaction details
const eyeBtn = document.createElement('button');
eyeBtn.className = 'eye-btn';
eyeBtn.innerHTML = '';
eyeBtn.title = 'View transaction details';
eyeBtn.addEventListener('click', (e) => {
e.stopPropagation();
openTransactionModal(item);
});
itemDiv.appendChild(eyeBtn);
const amountSpan = document.createElement('span');
amountSpan.className = 'top-item-amount';
amountSpan.textContent = formatRUB(item.value) + '\u202F₽';
itemDiv.appendChild(amountSpan);
topItemsElement.appendChild(itemDiv);
});
} else {
// No items to show
topItemsElement.innerHTML = 'No details available
';
}
}
// Variable to store currently hovered data for the header eye button
let currentHoveredData = null;
// Helper function to update the details header
function updateDetailsHeader(name, value, color, data) {
currentHoveredData = data;
detailsHeader.innerHTML = `
${name}
${formatRUB(value)}\u202F₽
`;
// Add click handler to header eye button
const headerEyeBtn = detailsHeader.querySelector('.header-eye-btn');
if (headerEyeBtn && data) {
headerEyeBtn.addEventListener('click', (e) => {
e.stopPropagation();
openTransactionModal(data);
});
}
}
// Show the default view with top categories
// Assign to global so it can be called from closeTransactionModal
showDefaultView = function() {
// Use context name (drilled-down sector) if provided, otherwise use month name
const selectedMonth = document.getElementById('month-select').value;
const monthName = getRussianMonthName(selectedMonth);
const displayName = contextName || monthName;
// Create a virtual "data" object for the total view that contains all transactions
const allTransactions = [];
sunburstData.data.forEach(category => {
if (category.transactions) {
allTransactions.push(...category.transactions);
}
});
const totalData = { name: displayName, transactions: allTransactions };
currentHoveredData = totalData;
detailsHeader.innerHTML = `
${displayName}
${formatRUB(sunburstData.total)}\u202F₽
`;
// Add click handler to header eye button
const headerEyeBtn = detailsHeader.querySelector('.header-eye-btn');
if (headerEyeBtn) {
headerEyeBtn.addEventListener('click', (e) => {
e.stopPropagation();
openTransactionModal(totalData);
});
}
// Show items - sort by value for root level, use fixed order for drilled-down
const itemsToDisplay = contextName
? [...sunburstData.data] // Drilled down: use fixed subcategory order
: [...sunburstData.data].sort((a, b) => b.value - a.value); // Root level: sort by value
displayDetailsItems(itemsToDisplay, sunburstData.total);
}
// Show default view initially
showDefaultView();
// Track if we're inside a section to handle sector exit properly
let isInsideSection = false;
// Add general mousemove event listener to detect when outside chart circle
chartDom.addEventListener('mousemove', function(e) {
// Get mouse position relative to chart container
const rect = chartDom.getBoundingClientRect();
const mouseX = e.clientX - rect.left;
const mouseY = e.clientY - rect.top;
// Track mouse position for eye button hide logic
lastMouseX = mouseX;
lastMouseY = mouseY;
// If not inside the chart circle and we were inside a section, show default view
if (!isInsideChart(mouseX, mouseY) && isInsideSection) {
isInsideSection = false;
// Reset details immediately when leaving a section
showDefaultView();
}
});
// Add mouseover event listener for sectors
myChart.on('mouseover', function(params) {
if (params.data) {
// Show floating eye button at end of sector label
showChartEyeButton(params);
// Compute depth from treePathInfo instead of using params.depth
let depth = params.treePathInfo ? params.treePathInfo.length - 1 : 0;
// Debug log for every mouseover event using computed depth
console.log('Hovered node:', { depth: depth, name: params.name, transactionsLength: (params.data.transactions ? params.data.transactions.length : 0), childrenLength: (params.data.children ? params.data.children.length : 0) });
// Handle subcategory nodes (depth 2): show microcategories and transactions without microcategory
if (depth === 2) {
isInsideSection = true;
console.log('DEBUG: Hovered subcategory node:', params.name, 'Transactions:', params.data.transactions, 'Children:', params.data.children);
const itemColor = params.color || (params.data.itemStyle ? params.data.itemStyle.color : '#cccccc');
updateDetailsHeader(params.name, params.value, itemColor, params.data);
const MAX_DETAIL_ITEMS = 10;
let itemsToShow = [];
if (params.data.children && params.data.children.length > 0) {
itemsToShow = [...params.data.children];
}
if (itemsToShow.length < MAX_DETAIL_ITEMS && params.data.transactions) {
const currentColor = params.color || (params.data.itemStyle ? params.data.itemStyle.color : '#cccccc');
// Create a slightly transparent effect by mixing with white
const modifiedColor = tinycolor.mix(currentColor, '#ffffff', 60).toString();
const remaining = MAX_DETAIL_ITEMS - itemsToShow.length;
const transactionsWithoutMicro = (params.data.transactions || [])
.filter(t => t.displayMicrocategory === '')
.map(t => ({ ...t, itemStyle: { color: modifiedColor } }));
itemsToShow = itemsToShow.concat(transactionsWithoutMicro.slice(0, remaining));
}
displayDetailsItems(itemsToShow, params.value);
return;
}
// Handle category nodes (depth 1): show subcategories and transactions without microcategory
if (depth === 1) {
isInsideSection = true;
const itemColor = params.color || (params.data.itemStyle ? params.data.itemStyle.color : '#cccccc');
updateDetailsHeader(params.name, params.value, itemColor, params.data);
const MAX_DETAIL_ITEMS = 10;
let itemsToShow = [];
if (params.data.children && params.data.children.length > 0) {
itemsToShow = [...params.data.children];
}
if (itemsToShow.length < MAX_DETAIL_ITEMS && params.data.transactions) {
const currentColor = params.color || (params.data.itemStyle ? params.data.itemStyle.color : '#cccccc');
// Create a slightly transparent effect by mixing with white
const modifiedColor = tinycolor.mix(currentColor, '#ffffff', 30).toString();
const remaining = MAX_DETAIL_ITEMS - itemsToShow.length;
const transactionsWithoutMicro = (params.data.transactions || [])
.filter(t => t.displayMicrocategory === '')
.map(t => ({ ...t, itemStyle: { color: modifiedColor } }));
itemsToShow = itemsToShow.concat(transactionsWithoutMicro.slice(0, remaining));
}
displayDetailsItems(itemsToShow, params.value);
return;
}
// For other depths, continue with existing behaviour
isInsideSection = true;
const itemColor = params.color || (params.data.itemStyle ? params.data.itemStyle.color : '#cccccc');
updateDetailsHeader(params.name, params.value, itemColor, params.data);
const MAX_DETAIL_ITEMS = 10;
let itemsToShow = [];
if (params.data.children && params.data.children.length > 0) {
const sortedChildren = [...params.data.children];
const allMicrocategories = [];
const displayedNames = new Set();
for (const child of sortedChildren) {
if (child.children && child.children.length > 0) {
const childMicros = [...child.children].sort((a, b) => b.value - a.value);
for (const micro of childMicros) {
if (!displayedNames.has(micro.name)) {
allMicrocategories.push(micro);
displayedNames.add(micro.name);
if (micro.transactions) {
micro.transactions.forEach(t => {
displayedNames.add(t.name);
});
}
}
}
}
}
if (allMicrocategories.length > 0) {
itemsToShow = allMicrocategories.slice(0, MAX_DETAIL_ITEMS);
} else {
itemsToShow = sortedChildren.slice(0, MAX_DETAIL_ITEMS);
}
if (itemsToShow.length < MAX_DETAIL_ITEMS) {
const allTransactions = [];
for (const subcategory of sortedChildren) {
if (subcategory.transactions && subcategory.transactions.length > 0) {
subcategory.transactions.forEach(transaction => {
if (!displayedNames.has(transaction.name)) {
allTransactions.push({
name: transaction.name,
value: transaction.value,
displayMicrocategory: transaction.displayMicrocategory,
itemStyle: { color: subcategory.itemStyle ? subcategory.itemStyle.color : '#cccccc' }
});
displayedNames.add(transaction.name);
}
});
}
}
allTransactions.sort((a, b) => b.value - a.value);
const transactionsWithoutMicro = allTransactions.filter(t => t.displayMicrocategory === '');
if (transactionsWithoutMicro.length > 0) {
const currentColor = params.color || (params.data.itemStyle ? params.data.itemStyle.color : '#cccccc');
// Create a slightly transparent effect by mixing with white
const modifiedColor = tinycolor.mix(currentColor, '#ffffff', 30).toString();
const remaining = MAX_DETAIL_ITEMS - itemsToShow.length;
const filteredTransactions = transactionsWithoutMicro
.filter(t => !allMicrocategories.some(m => m.name === t.name))
.map(t => ({ ...t, itemStyle: { color: modifiedColor } }));
itemsToShow = itemsToShow.concat(filteredTransactions.slice(0, remaining));
}
}
} else if (params.data.transactions) {
const sortedTransactions = [...params.data.transactions].sort((a, b) => b.value - a.value);
const coloredTransactions = sortedTransactions.map(t => ({
...t,
color: params.color || (params.data.itemStyle ? params.data.itemStyle.color : '#cccccc')
}));
itemsToShow = coloredTransactions.slice(0, MAX_DETAIL_ITEMS);
}
displayDetailsItems(itemsToShow, params.value);
}
});
// When mouse leaves a section but is still within the chart, we'll handle it with mousemove
myChart.on('mouseout', function(params) {
if (params.data) {
isOverChartSector = false;
isInsideSection = false;
// Hide the floating eye button (unless hovering over it)
hideChartEyeButton();
// Reset details with a small delay to allow mouseover of next sector to fire first
setTimeout(() => {
if (!isOverEyeButton && !isInsideSection) {
showDefaultView();
}
}, 50);
}
});
// Also reset when mouse leaves the chart container entirely
chartDom.addEventListener('mouseleave', function(e) {
// Don't reset if moving to the eye button
if (e.relatedTarget === chartEyeBtn || (e.relatedTarget && chartEyeBtn.contains(e.relatedTarget))) {
return;
}
isInsideSection = false;
showDefaultView();
});
// Add back the downplay event handler - this is triggered when sections lose emphasis
myChart.on('downplay', function(params) {
// Reset to default view when a section is no longer emphasized (unless hovering eye button or still in section)
setTimeout(() => {
if (!isOverEyeButton && !isInsideSection) {
showDefaultView();
}
}, 50);
});
}
// CSV column labels for human-readable display
const csvColumnLabels = {
transaction_date: 'Date',
processing_date: 'Processing Date',
transaction_description: 'Description',
comment: 'Comment',
mcc: 'MCC',
card_info: 'Card',
account: 'Account',
merchant_name: 'Merchant',
location: 'Location',
info_source: 'Source',
amount_original: 'Original Amount',
currency_original: 'Original Currency',
amount_rub: 'Amount (₽)',
category: 'Category',
subcategory: 'Subcategory',
microcategory: 'Microcategory',
simple_name: 'Name'
};
// Preferred column order (most important first)
const csvColumnOrder = ['transaction_date', 'simple_name', 'amount_rub', 'category', 'subcategory', 'microcategory', 'transaction_description', 'merchant_name', 'account', 'card_info', 'location', 'amount_original', 'currency_original', 'mcc', 'info_source', 'processing_date', 'comment'];
// Modal state
let currentTransactions = [];
let currentColumns = [];
let currentSortColumn = null;
let currentSortDirection = 'desc';
// Open transaction modal
function openTransactionModal(item) {
const modal = document.getElementById('transaction-modal');
const modalTitle = document.getElementById('modal-title');
// Set title
modalTitle.textContent = item.name;
// Gather transactions
let transactions = [];
if (item.transactions && item.transactions.length > 0) {
transactions = item.transactions.filter(t => t.originalRow);
} else if (item.originalRow) {
transactions = [item];
}
if (transactions.length === 0) {
const modalTbody = document.getElementById('modal-tbody');
const modalThead = document.getElementById('modal-thead');
modalThead.innerHTML = '';
modalTbody.innerHTML = '| No transaction data available |
';
modal.style.display = 'flex';
setupModalListeners();
return;
}
// Get columns from first transaction
const sampleRow = transactions[0].originalRow;
currentColumns = csvColumnOrder.filter(col => col in sampleRow);
currentTransactions = transactions;
// Initial sort by amount descending
currentSortColumn = 'amount_rub';
currentSortDirection = 'desc';
renderTransactionTable();
modal.style.display = 'flex';
// Reset scroll position to top-left
const tableContainer = document.querySelector('.modal-table-container');
tableContainer.scrollTop = 0;
tableContainer.scrollLeft = 0;
setupModalListeners();
}
// Render the transaction table with current sort
function renderTransactionTable() {
const modalThead = document.getElementById('modal-thead');
const modalTbody = document.getElementById('modal-tbody');
// Sort transactions
const sortedTransactions = [...currentTransactions].sort((a, b) => {
const aVal = a.originalRow?.[currentSortColumn] ?? '';
const bVal = b.originalRow?.[currentSortColumn] ?? '';
// Numeric sort for amount columns
if (currentSortColumn === 'amount_rub' || currentSortColumn === 'amount_original') {
const aNum = parseFloat(aVal) || 0;
const bNum = parseFloat(bVal) || 0;
return currentSortDirection === 'asc' ? aNum - bNum : bNum - aNum;
}
// String sort for other columns
const aStr = String(aVal);
const bStr = String(bVal);
const cmp = aStr.localeCompare(bStr);
return currentSortDirection === 'asc' ? cmp : -cmp;
});
// Clear content
modalThead.innerHTML = '';
modalTbody.innerHTML = '';
// Build header with sort indicators
const headerRow = document.createElement('tr');
currentColumns.forEach(col => {
const th = document.createElement('th');
th.textContent = csvColumnLabels[col] || col;
th.dataset.column = col;
// Add sort class
if (col === currentSortColumn) {
th.classList.add(currentSortDirection === 'asc' ? 'sort-asc' : 'sort-desc');
}
// Click to sort
th.addEventListener('click', () => {
if (currentSortColumn === col) {
currentSortDirection = currentSortDirection === 'asc' ? 'desc' : 'asc';
} else {
currentSortColumn = col;
currentSortDirection = 'asc';
}
renderTransactionTable();
});
headerRow.appendChild(th);
});
modalThead.appendChild(headerRow);
// Build rows
sortedTransactions.forEach(transaction => {
const row = document.createElement('tr');
currentColumns.forEach(col => {
const td = document.createElement('td');
let value = transaction.originalRow[col];
if ((col === 'amount_rub' || col === 'amount_original') && typeof value === 'number') {
value = formatRUB(value);
}
td.textContent = value !== undefined && value !== null ? value : '';
td.title = td.textContent;
row.appendChild(td);
});
// Row click opens detail modal
row.addEventListener('click', () => openRowDetailModal(transaction));
modalTbody.appendChild(row);
});
}
// Open the row detail modal
function openRowDetailModal(transaction) {
const modal = document.getElementById('row-detail-modal');
const title = document.getElementById('row-detail-title');
const body = document.getElementById('row-detail-body');
const name = transaction.originalRow?.simple_name || transaction.name || 'Transaction';
title.textContent = name;
body.innerHTML = '';
currentColumns.forEach(col => {
// Skip simple_name since it's already shown in the title
if (col === 'simple_name') return;
const value = transaction.originalRow[col];
const itemDiv = document.createElement('div');
itemDiv.className = 'row-detail-item';
const labelSpan = document.createElement('span');
labelSpan.className = 'row-detail-label';
labelSpan.textContent = csvColumnLabels[col] || col;
const valueSpan = document.createElement('span');
valueSpan.className = 'row-detail-value';
valueSpan.textContent = value;
itemDiv.appendChild(labelSpan);
itemDiv.appendChild(valueSpan);
body.appendChild(itemDiv);
});
modal.style.display = 'flex';
setupRowDetailModalListeners();
}
// Close row detail modal
function closeRowDetailModal() {
const modal = document.getElementById('row-detail-modal');
modal.style.display = 'none';
}
// Setup row detail modal listeners
function setupRowDetailModalListeners() {
const modal = document.getElementById('row-detail-modal');
const closeBtn = document.getElementById('row-detail-close');
closeBtn.onclick = (e) => {
e.stopPropagation();
closeRowDetailModal();
};
modal.onclick = function(e) {
if (e.target === modal) {
closeRowDetailModal();
}
};
}
// Close transaction modal
function closeTransactionModal() {
const modal = document.getElementById('transaction-modal');
modal.style.display = 'none';
// Remove any chart highlight and reset details panel
myChart.dispatchAction({ type: 'downplay' });
if (showDefaultView) showDefaultView();
}
// Global escape key handler for all modals
function handleGlobalEscape(e) {
if (e.key === 'Escape') {
const rowDetailModal = document.getElementById('row-detail-modal');
const transactionModal = document.getElementById('transaction-modal');
// Close row detail first if open, then transaction modal
if (rowDetailModal.style.display !== 'none') {
closeRowDetailModal();
} else if (transactionModal.style.display !== 'none') {
closeTransactionModal();
}
}
}
// Setup global escape listener once
document.addEventListener('keydown', handleGlobalEscape);
// Setup modal close listeners
function setupModalListeners() {
const modal = document.getElementById('transaction-modal');
const closeBtn = document.getElementById('modal-close');
closeBtn.onclick = closeTransactionModal;
modal.onclick = function(e) {
if (e.target === modal) {
closeTransactionModal();
}
};
}