Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 | /**
* @module Dashboards/CoalitionDashboard
* @category Analytics - Coalition Intelligence & Voting Pattern Analysis
*
* Coalition & Voting Pattern Dashboard providing interactive visualization of Swedish
* political coalition dynamics and voting pattern analysis. Transforms raw voting records
* into pattern intelligence revealing party alliances, behavioral anomalies, and political
* realignments.
*
* @author Hack23 AB - Political Intelligence & Coalition Analysis
* @license Apache-2.0
* @version 2.0.0
* @since 2024
*
* @intelligence Coalition Voting Pattern Intelligence — interactive visualization revealing party alliances, behavioral anomalies, and political realignments through voting record analysis. Transforms raw voting data into strategic coalition intelligence with pattern detection and trend identification.
*
* @business Interactive engagement driver — coalition visualizations have the highest user engagement metrics (time on page, interaction rate). Interactive features justify premium tier pricing and demonstrate technical sophistication to enterprise prospects.
*
* @marketing Shareable visual content — coalition alignment charts and voting pattern visualizations are the most shared content type on social media. Each visualization is a potential viral asset with embedded Riksdagsmonitor branding.
* */
import {
logger,
showDataSourceDisclaimer,
} from '../shared/index.js';
import type { DataSourceType } from '../shared/index.js';
const d3 = (globalThis as any).d3;
const Chart = (globalThis as any).Chart;
// ============================================================================
// INTERFACES
// ============================================================================
interface PartyConfig {
name: string;
color: string;
fullName: string;
}
interface CoalitionNode {
id: string;
name: string;
fullName: string;
color: string;
influence: number;
x?: number;
y?: number;
fx?: number | null;
fy?: number | null;
}
interface CoalitionLink {
source: any;
target: any;
strength: number;
}
interface AnomalyEntry {
party: string;
date: string;
deviation: number;
severity: string;
}
interface AnnualVoteEntry {
year: number;
votes: number;
}
interface DataCache {
coalitionAlignment: Record<string, Record<string, number>> | null;
behavioralPatterns: Record<string, number> | null;
decisionPatterns: any[] | null;
votingAnomalies: AnomalyEntry[] | null;
annualVotes: Record<string, AnnualVoteEntry[]> | null;
}
interface DataConfig {
files: Record<string, string[]>;
useMockData: boolean;
}
// ============================================================================
// CONFIGURATION
// ============================================================================
const PARTIES: Record<string, PartyConfig> = {
'S': { name: 'Socialdemokraterna', color: '#E8112d', fullName: 'Social Democrats' },
'M': { name: 'Moderaterna', color: '#52BDEC', fullName: 'Moderates' },
'SD': { name: 'Sverigedemokraterna', color: '#DDDD00', fullName: 'Sweden Democrats' },
'V': { name: 'Vänsterpartiet', color: '#DA291C', fullName: 'Left Party' },
'MP': { name: 'Miljöpartiet', color: '#83CF39', fullName: 'Green Party' },
'C': { name: 'Centerpartiet', color: '#009933', fullName: 'Centre Party' },
'L': { name: 'Liberalerna', color: '#006AB3', fullName: 'Liberals' },
'KD': { name: 'Kristdemokraterna', color: '#000077', fullName: 'Christian Democrats' }
};
const REMOTE_BASE_URL = 'https://raw.githubusercontent.com/Hack23/cia/master/service.data.impl/sample-data/';
const DATA_CONFIG: DataConfig = {
files: {
coalition: ['cia-data/party/distribution_coalition_alignment.csv', REMOTE_BASE_URL + 'distribution_coalition_alignment.csv'],
behavioral: ['cia-data/parties/distribution_behavioral_patterns_by_party.csv', REMOTE_BASE_URL + 'distribution_behavioral_patterns_by_party.csv'],
decision: ['cia-data/parties/distribution_decision_patterns_by_party.csv', REMOTE_BASE_URL + 'distribution_decision_patterns_by_party.csv'],
anomalyClassification: ['cia-data/voting/distribution_voting_anomaly_classification.csv', REMOTE_BASE_URL + 'distribution_voting_anomaly_classification.csv'],
anomalyByParty: ['cia-data/anomaly/distribution_anomaly_by_party.csv', REMOTE_BASE_URL + 'distribution_anomaly_by_party.csv'],
annualVotes: ['cia-data/voting/distribution_annual_party_votes.csv', REMOTE_BASE_URL + 'distribution_annual_party_votes.csv'],
decisionTrends: ['cia-data/voting/distribution_decision_trends.csv', REMOTE_BASE_URL + 'distribution_decision_trends.csv'],
partyMomentum: ['cia-data/distribution_party_momentum.csv', REMOTE_BASE_URL + 'distribution_party_momentum.csv']
},
useMockData: false
};
let dataCache: DataCache = {
coalitionAlignment: null,
behavioralPatterns: null,
decisionPatterns: null,
votingAnomalies: null,
annualVotes: null
};
/** Tracks whether any data source fell back to mock/synthetic data. */
let coalitionDataSourceType: DataSourceType = 'live';
// ============================================================================
// CSV UTILITIES
// ============================================================================
function parseCSV(csvText: string): Record<string, string>[] {
try { return d3.csvParse(csvText); }
catch (error) { logger.error('CSV parsing error:', error); return []; }
}
async function fetchCSV(urls: string[]): Promise<Record<string, string>[] | null> {
const urlList = Array.isArray(urls) ? urls : [urls];
for (const url of urlList) {
try {
const response = await fetch(url);
if (!response.ok) throw new Error(`HTTP ${response.status}`);
const text = await response.text();
const data = parseCSV(text);
if (data && data.length > 0) { logger.info(` Loaded from: ${url} (${data.length} rows)`); return data; }
} catch (error) { logger.error(` Failed: ${url} -`, error); }
}
return null;
}
// ============================================================================
// DATA FETCHERS
// ============================================================================
async function fetchCoalitionData(): Promise<void> {
try {
if (DATA_CONFIG.useMockData) { dataCache.coalitionAlignment = generateMockCoalitionData(); coalitionDataSourceType = 'mock'; return; }
const csvData = await fetchCSV(DATA_CONFIG.files['coalition']);
if (csvData && csvData.length > 0) {
const alignment: Record<string, Record<string, number>> = {};
csvData.forEach(row => {
const party1 = row['party1']; const party2 = row['party2']; const alignmentRate = parseFloat(row['alignment_rate']);
if (!alignment[party1]) alignment[party1] = {};
alignment[party1][party2] = alignmentRate;
});
dataCache.coalitionAlignment = alignment;
logger.info('Coalition data loaded from CSV');
} else { dataCache.coalitionAlignment = generateMockCoalitionData(); coalitionDataSourceType = 'mock'; logger.info('Coalition data loaded (mock fallback)'); }
} catch (error) { logger.error('Failed to fetch coalition data:', error); dataCache.coalitionAlignment = generateMockCoalitionData(); coalitionDataSourceType = 'mock'; }
}
async function fetchBehavioralData(): Promise<void> {
try {
if (DATA_CONFIG.useMockData) { dataCache.behavioralPatterns = generateMockBehavioralData(); coalitionDataSourceType = 'mock'; return; }
const csvData = await fetchCSV(DATA_CONFIG.files['behavioral']);
if (csvData && csvData.length > 0) {
const partyData: Record<string, { total: number; standardBehavior: number }> = {};
csvData.forEach(row => {
const party = row['party'];
if (party === '-') return;
if (!partyData[party]) partyData[party] = { total: 0, standardBehavior: 0 };
const count = parseInt(row['politician_count']) || 0;
partyData[party].total += count;
if (row['behavioral_assessment'] === 'STANDARD_BEHAVIOR') partyData[party].standardBehavior += count;
});
const patterns: Record<string, number> = {};
Object.keys(partyData).forEach(party => {
if (partyData[party].total > 0) {
const consistency = (partyData[party].standardBehavior / partyData[party].total) * 100;
patterns[party] = Math.max(75, Math.min(100, consistency || 80));
}
});
dataCache.behavioralPatterns = patterns;
logger.info('Behavioral data loaded from CSV');
} else { dataCache.behavioralPatterns = generateMockBehavioralData(); coalitionDataSourceType = 'mock'; }
} catch (error) { logger.error('Failed to fetch behavioral data:', error); dataCache.behavioralPatterns = generateMockBehavioralData(); coalitionDataSourceType = 'mock'; }
}
async function fetchDecisionData(): Promise<void> {
try {
if (DATA_CONFIG.useMockData) { dataCache.decisionPatterns = generateMockDecisionData(); coalitionDataSourceType = 'mock'; return; }
const csvData = await fetchCSV(DATA_CONFIG.files['decision']);
if (csvData && csvData.length > 0) { dataCache.decisionPatterns = csvData; }
else { dataCache.decisionPatterns = generateMockDecisionData(); coalitionDataSourceType = 'mock'; }
} catch (error) { logger.error('Failed to fetch decision data:', error); dataCache.decisionPatterns = generateMockDecisionData(); coalitionDataSourceType = 'mock'; }
}
async function fetchAnomalyData(): Promise<void> {
try {
if (DATA_CONFIG.useMockData) { dataCache.votingAnomalies = generateMockAnomalyData(); coalitionDataSourceType = 'mock'; return; }
const csvData = await fetchCSV(DATA_CONFIG.files['anomalyByParty']);
if (csvData && csvData.length > 0) {
const anomalies: AnomalyEntry[] = [];
csvData.forEach(row => {
const party = row['party'];
if (party === '-' || !party) return;
const avgRebellions = parseFloat(row['avg_rebellions']) || 0;
const count = parseInt(row['politician_count']) || 1;
const classification = row['anomaly_classification'] || 'EXPECTED_BEHAVIOR';
if (avgRebellions > 0 && count > 0) {
const deviation = Math.min(6, avgRebellions);
anomalies.push({ party, date: '2024-06-15', deviation, severity: classification === 'HIGH_REBELLION_RATE' ? 'critical' : deviation > 2.5 ? 'major' : 'minor' });
}
});
dataCache.votingAnomalies = anomalies;
logger.info('Anomaly data loaded from CSV');
} else { dataCache.votingAnomalies = generateMockAnomalyData(); coalitionDataSourceType = 'mock'; }
} catch (error) { logger.error('Failed to fetch anomaly data:', error); dataCache.votingAnomalies = generateMockAnomalyData(); coalitionDataSourceType = 'mock'; }
}
async function fetchAnnualVotesData(): Promise<void> {
try {
if (DATA_CONFIG.useMockData) { dataCache.annualVotes = generateMockAnnualVotesData(); coalitionDataSourceType = 'mock'; return; }
const csvData = await fetchCSV(DATA_CONFIG.files['annualVotes']);
if (csvData && csvData.length > 0) {
const annualData: Record<string, AnnualVoteEntry[]> = {};
csvData.forEach(row => {
const year = parseInt(row['year']); const party = row['party']; const voteCount = parseInt(row['vote_count']) || 0;
if (!annualData[party]) annualData[party] = [];
annualData[party].push({ year, votes: voteCount });
});
Object.keys(annualData).forEach(party => { annualData[party].sort((a, b) => a.year - b.year); });
dataCache.annualVotes = annualData;
logger.info('Annual votes data loaded from CSV');
} else { dataCache.annualVotes = generateMockAnnualVotesData(); coalitionDataSourceType = 'mock'; }
} catch (error) { logger.error('Failed to fetch annual votes data:', error); dataCache.annualVotes = generateMockAnnualVotesData(); coalitionDataSourceType = 'mock'; }
}
// ============================================================================
// RENDERERS
// ============================================================================
function renderCoalitionNetwork(): void {
const container = document.getElementById('coalitionNetwork');
if (!container) return;
container.innerHTML = '';
const width = container.clientWidth || 800;
const height = 600;
const svg = d3.select('#coalitionNetwork').append('svg').attr('width', width).attr('height', height).attr('viewBox', [0, 0, width, height]).attr('style', 'max-width: 100%; height: auto;');
const nodes: CoalitionNode[] = Object.keys(PARTIES).map(id => {
let influence = 5;
const alignment = dataCache.coalitionAlignment;
if (alignment && alignment[id]) {
const rates = Object.values(alignment[id]).filter((v): v is number => typeof v === 'number');
influence = rates.length > 0 ? (rates.reduce((s, v) => s + v, 0) / rates.length) / 10 + 3 : 5;
}
return { id, name: PARTIES[id].name, fullName: PARTIES[id].fullName, color: PARTIES[id].color, influence: Math.max(5, Math.min(15, influence)) };
});
const links: CoalitionLink[] = [];
const alignment = dataCache.coalitionAlignment;
nodes.forEach((source, i) => {
nodes.forEach((target, j) => {
if (i < j) {
const strength = alignment && alignment[source.id] && alignment[source.id][target.id] ? alignment[source.id][target.id] / 100 : 0.5;
links.push({ source: source.id, target: target.id, strength });
}
});
});
const simulation = d3.forceSimulation(nodes)
.force('link', d3.forceLink(links).id((d: any) => d.id).distance(150))
.force('charge', d3.forceManyBody().strength(-400))
.force('center', d3.forceCenter(width / 2, height / 2))
.force('collision', d3.forceCollide().radius((d: any) => d.influence * 3 + 10));
const link = svg.append('g').attr('class', 'links').selectAll('line').data(links).enter().append('line')
.attr('stroke', '#999').attr('stroke-opacity', (d: any) => d.strength).attr('stroke-width', (d: any) => Math.sqrt(d.strength * 10))
.style('cursor', 'pointer')
.on('mouseover', function(this: SVGLineElement, event: any, d: any) {
d3.select(this).attr('stroke', '#ff6600').attr('stroke-width', Math.sqrt(d.strength * 10) + 2);
showTooltip(event, `Coalition Strength: ${(d.strength * 100).toFixed(0)}%`);
})
.on('mouseout', function(this: SVGLineElement, _event: any, d: any) {
d3.select(this).attr('stroke', '#999').attr('stroke-width', Math.sqrt(d.strength * 10));
hideTooltip();
});
const node = svg.append('g').attr('class', 'nodes').selectAll('g').data(nodes).enter().append('g')
.attr('tabindex', '0').attr('role', 'button').attr('aria-label', (d: any) => `${d.fullName} party node`).style('cursor', 'pointer')
.call(d3.drag()
.on('start', (event: any, d: any) => { if (!event.active) simulation.alphaTarget(0.3).restart(); d.fx = d.x; d.fy = d.y; })
.on('drag', (_event: any, d: any) => { d.fx = _event.x; d.fy = _event.y; })
.on('end', (event: any, d: any) => { if (!event.active) simulation.alphaTarget(0); d.fx = null; d.fy = null; }));
node.append('circle').attr('r', (d: any) => d.influence * 3).attr('fill', (d: any) => d.color).attr('stroke', '#fff').attr('stroke-width', 2);
node.append('text').text((d: any) => d.id).attr('x', 0).attr('y', 0).attr('text-anchor', 'middle').attr('dominant-baseline', 'middle').attr('fill', '#fff').attr('font-weight', 'bold').attr('font-size', '14px').attr('pointer-events', 'none');
node.append('text').text((d: any) => d.name).attr('x', 0).attr('y', (d: any) => d.influence * 3 + 15).attr('text-anchor', 'middle').attr('font-size', '12px').attr('fill', 'var(--text-color)').attr('pointer-events', 'none');
node.on('mouseover', function(this: SVGGElement, event: any, d: any) {
d3.select(this).select('circle').attr('stroke-width', 4).attr('stroke', '#ff6600');
showTooltip(event, `${d.fullName}<br>Influence: ${d.influence.toFixed(1)}`);
}).on('mouseout', function(this: SVGGElement) {
d3.select(this).select('circle').attr('stroke-width', 2).attr('stroke', '#fff');
hideTooltip();
}).on('click', function(this: SVGGElement, _event: any, d: any) {
alert(`${d.fullName}\nInfluence Score: ${d.influence.toFixed(1)}\nColor: ${d.color}`);
}).on('keydown', function(event: any, d: any) {
if (event.key === 'Enter' || event.key === ' ') { event.preventDefault(); alert(`${d.fullName}\nInfluence Score: ${d.influence.toFixed(1)}\nColor: ${d.color}`); }
});
simulation.on('tick', () => {
link.attr('x1', (d: any) => d.source.x).attr('y1', (d: any) => d.source.y).attr('x2', (d: any) => d.target.x).attr('y2', (d: any) => d.target.y);
node.attr('transform', (d: any) => `translate(${d.x},${d.y})`);
});
createAccessibleNetworkTable(nodes, links);
}
function renderAlignmentHeatMap(): void {
const container = document.getElementById('alignmentHeatMap');
if (!container) return;
container.innerHTML = '';
const width = container.clientWidth || 600;
const height = 500;
const margin = { top: 80, right: 20, bottom: 20, left: 100 };
const innerWidth = width - margin.left - margin.right;
const innerHeight = height - margin.top - margin.bottom;
const svg = d3.select('#alignmentHeatMap').append('svg').attr('width', width).attr('height', height).attr('viewBox', [0, 0, width, height]).attr('style', 'max-width: 100%; height: auto;');
const g = svg.append('g').attr('transform', `translate(${margin.left},${margin.top})`);
const partyIds = Object.keys(PARTIES);
const cellSize = Math.min(innerWidth / partyIds.length, innerHeight / partyIds.length);
const colorScale = d3.scaleSequential(d3.interpolateRdYlGn).domain([0, 1]);
const heatMapData: { party1: string; party2: string; alignment: number }[] = [];
partyIds.forEach(party1 => {
partyIds.forEach(party2 => {
const alignmentVal = party1 === party2 ? 1.0 : ((dataCache.coalitionAlignment?.[party1]?.[party2]) ? dataCache.coalitionAlignment[party1][party2] / 100 : 0.5);
heatMapData.push({ party1, party2, alignment: alignmentVal });
});
});
g.selectAll('rect').data(heatMapData).enter().append('rect')
.attr('x', (d: any) => partyIds.indexOf(d.party2) * cellSize).attr('y', (d: any) => partyIds.indexOf(d.party1) * cellSize)
.attr('width', cellSize).attr('height', cellSize).attr('fill', (d: any) => colorScale(d.alignment)).attr('stroke', '#fff').attr('stroke-width', 1).style('cursor', 'pointer')
.on('mouseover', function(event: any, d: any) { showTooltip(event, `${PARTIES[d.party1].name} ↔ ${PARTIES[d.party2].name}<br>Alignment: ${(d.alignment * 100).toFixed(0)}%`); })
.on('mouseout', hideTooltip);
g.selectAll('.row-label').data(partyIds).enter().append('text').attr('class', 'row-label').attr('x', -10).attr('y', (_d: any, i: number) => i * cellSize + cellSize / 2).attr('text-anchor', 'end').attr('dominant-baseline', 'middle').attr('font-size', '12px').attr('fill', 'var(--text-color)').text((d: any) => PARTIES[d].name);
g.selectAll('.col-label').data(partyIds).enter().append('text').attr('class', 'col-label').attr('x', (_d: any, i: number) => i * cellSize + cellSize / 2).attr('y', -10).attr('text-anchor', 'middle').attr('font-size', '12px').attr('fill', 'var(--text-color)').text((d: any) => d);
svg.append('text').attr('x', width / 2).attr('y', 20).attr('text-anchor', 'middle').attr('font-size', '14px').attr('font-weight', 'bold').attr('fill', 'var(--text-color)').text('Party Voting Alignment Matrix');
}
function renderVotingAnomalyChart(): void {
const canvas = document.getElementById('votingAnomalyChart') as HTMLCanvasElement | null;
if (!canvas) return;
const ctx = canvas.getContext('2d');
const datasets = Object.keys(PARTIES).map(partyId => {
const partyData = (dataCache.votingAnomalies || []).filter(a => a.party === partyId);
return {
label: PARTIES[partyId].name,
data: partyData.map(a => ({ x: new Date(a.date).getTime(), y: a.deviation })),
backgroundColor: PARTIES[partyId].color,
borderColor: PARTIES[partyId].color,
pointRadius: 6, pointHoverRadius: 8
};
});
new Chart(ctx, {
type: 'scatter', data: { datasets },
options: {
responsive: true, maintainAspectRatio: false,
plugins: { title: { display: true, text: 'Voting Anomalies (Last 5 Years)', font: { size: 16, weight: 'bold' } }, tooltip: { callbacks: { label: (context: any) => { const date = new Date(context.parsed.x); return `${context.dataset.label}: Deviation ${context.parsed.y.toFixed(2)} on ${date.toLocaleDateString()}`; } } }, legend: { display: true, position: 'bottom' } },
scales: { x: { type: 'linear', title: { display: true, text: 'Date' }, ticks: { callback: (value: any) => new Date(value).getFullYear().toString() } }, y: { title: { display: true, text: 'Deviation Score' }, beginAtZero: true } }
}
});
}
function renderBehavioralPatternsChart(): void {
const canvas = document.getElementById('behavioralPatternsChart') as HTMLCanvasElement | null;
if (!canvas) return;
const ctx = canvas.getContext('2d');
const partyIds = Object.keys(PARTIES);
new Chart(ctx, {
type: 'bar',
data: { labels: partyIds.map(id => PARTIES[id].name), datasets: [{ label: 'Party Consistency Score (%)', data: partyIds.map(id => dataCache.behavioralPatterns?.[id] || 80), backgroundColor: partyIds.map(id => PARTIES[id].color), borderColor: partyIds.map(id => PARTIES[id].color), borderWidth: 1 }] },
options: {
indexAxis: 'y', responsive: true, maintainAspectRatio: false,
plugins: { title: { display: true, text: 'Party Voting Consistency (2019-2024)', font: { size: 16, weight: 'bold' } }, legend: { display: false }, tooltip: { callbacks: { label: (context: any) => `Consistency: ${context.parsed.x.toFixed(1)}%` } } },
scales: { x: { beginAtZero: true, max: 100, title: { display: true, text: 'Consistency Score (%)' } } }
}
});
}
function renderDecisionTrendsChart(): void {
const canvas = document.getElementById('decisionTrendsChart') as HTMLCanvasElement | null;
if (!canvas) return;
const ctx = canvas.getContext('2d');
let years: number[] = [];
let useRealData = false;
if (dataCache.annualVotes && Object.keys(dataCache.annualVotes).length > 0) {
const allYears = new Set<number>();
Object.values(dataCache.annualVotes).forEach(partyData => { partyData.forEach(d => allYears.add(d.year)); });
years = Array.from(allYears).sort((a, b) => a - b);
useRealData = true;
}
if (years.length === 0) { for (let year = 1990; year <= 2026; year++) years.push(year); }
const datasets = Object.keys(PARTIES).map(partyId => {
let data: number[];
if (useRealData && dataCache.annualVotes?.[partyId]) {
const partyYearData: Record<number, number> = {};
dataCache.annualVotes[partyId].forEach(d => { partyYearData[d.year] = d.votes; });
data = years.map(year => partyYearData[year] || 0);
} else { data = years.map(() => 0); }
return { label: PARTIES[partyId].name, data, borderColor: PARTIES[partyId].color, backgroundColor: PARTIES[partyId].color + '20', tension: 0.4, fill: false };
});
new Chart(ctx, {
type: 'line', data: { labels: years, datasets },
options: {
responsive: true, maintainAspectRatio: false,
plugins: { title: { display: true, text: `Annual Voting Activity Trends (${years[0]}-${years[years.length - 1]})`, font: { size: 16, weight: 'bold' } }, legend: { display: true, position: 'bottom' }, tooltip: { mode: 'index', intersect: false, callbacks: { label: (context: any) => context.dataset.label + ': ' + context.parsed.y.toLocaleString() + ' votes' } } },
scales: { x: { title: { display: true, text: 'Year' } }, y: { title: { display: true, text: 'Number of Votes' }, beginAtZero: true } }
}
});
}
// ============================================================================
// HELPERS
// ============================================================================
function createAccessibleNetworkTable(nodes: CoalitionNode[], links: CoalitionLink[]): void {
const table = document.getElementById('coalitionNetworkTable');
if (!table) return;
let html = '<caption>Coalition Network Data</caption><thead><tr><th>Party</th><th>Influence</th><th>Coalition Partners</th></tr></thead><tbody>';
nodes.forEach(n => {
const partners = links
.filter(l => (l.source.id || l.source) === n.id || (l.target.id || l.target) === n.id)
.map(l => { const pid = (l.source.id || l.source) === n.id ? (l.target.id || l.target) : (l.source.id || l.source); return `${PARTIES[pid]?.name || pid} (${(l.strength * 100).toFixed(0)}%)`; })
.join(', ');
html += `<tr><td>${n.fullName}</td><td>${n.influence.toFixed(1)}</td><td>${partners}</td></tr>`;
});
html += '</tbody>';
table.innerHTML = html;
}
function showTooltip(event: MouseEvent, content: string): void {
let tooltip = document.getElementById('d3-tooltip');
if (!tooltip) {
tooltip = document.createElement('div');
tooltip.id = 'd3-tooltip';
tooltip.style.position = 'absolute';
tooltip.style.background = 'rgba(0, 0, 0, 0.8)';
tooltip.style.color = '#fff';
tooltip.style.padding = '8px 12px';
tooltip.style.borderRadius = '4px';
tooltip.style.fontSize = '12px';
tooltip.style.pointerEvents = 'none';
tooltip.style.zIndex = '1000';
tooltip.style.display = 'none';
document.body.appendChild(tooltip);
}
tooltip.innerHTML = content;
tooltip.style.display = 'block';
tooltip.style.left = (event.pageX + 10) + 'px';
tooltip.style.top = (event.pageY + 10) + 'px';
}
function hideTooltip(): void {
const tooltip = document.getElementById('d3-tooltip');
if (tooltip) tooltip.style.display = 'none';
}
function showLoadingState(): void {
const container = document.getElementById('coalition-dashboard');
if (container) container.classList.add('loading');
}
function hideLoadingState(): void {
const container = document.getElementById('coalition-dashboard');
if (container) container.classList.remove('loading');
}
function showErrorState(message: string): void {
const container = document.getElementById('coalition-dashboard');
if (container) {
const errorDiv = document.createElement('div');
errorDiv.className = 'error-message';
errorDiv.style.padding = '20px';
errorDiv.style.background = '#ff000020';
errorDiv.style.border = '1px solid #ff0000';
errorDiv.style.borderRadius = '8px';
errorDiv.style.marginTop = '20px';
errorDiv.innerHTML = `<strong>Error:</strong> ${message}`;
container.appendChild(errorDiv);
}
}
// ============================================================================
// MOCK DATA GENERATORS
// ============================================================================
function generateMockCoalitionData(): Record<string, Record<string, number>> {
const data: Record<string, Record<string, number>> = {};
const rightBloc = ['M', 'KD', 'L', 'SD'];
const leftBloc = ['S', 'V', 'MP'];
Object.keys(PARTIES).forEach(p1 => {
data[p1] = {};
Object.keys(PARTIES).forEach(p2 => {
if (p1 !== p2) {
const sameBloc = (rightBloc.includes(p1) && rightBloc.includes(p2)) || (leftBloc.includes(p1) && leftBloc.includes(p2));
data[p1][p2] = sameBloc ? 0.70 : 0.35;
}
});
});
return data;
}
function generateMockBehavioralData(): Record<string, number> {
const data: Record<string, number> = {};
Object.keys(PARTIES).forEach(p => { data[p] = 80; });
return data;
}
function generateMockDecisionData(): any[] { return []; }
function generateMockAnomalyData(): AnomalyEntry[] { return []; }
function generateMockAnnualVotesData(): Record<string, AnnualVoteEntry[]> { return {}; }
// ============================================================================
// EXPORTED INIT
// ============================================================================
export async function init(): Promise<void> {
const dashboard = document.getElementById('coalition-dashboard');
if (!dashboard) return;
try {
logger.info('Initializing Coalition & Voting Pattern Dashboard...');
coalitionDataSourceType = 'live';
showLoadingState();
await Promise.all([
fetchCoalitionData(),
fetchBehavioralData(),
fetchDecisionData(),
fetchAnomalyData(),
fetchAnnualVotesData()
]);
showDataSourceDisclaimer(dashboard, coalitionDataSourceType);
renderCoalitionNetwork();
renderAlignmentHeatMap();
renderVotingAnomalyChart();
renderBehavioralPatternsChart();
renderDecisionTrendsChart();
hideLoadingState();
logger.info('Coalition Dashboard initialized successfully');
} catch (error) {
logger.error('Dashboard initialization failed:', error);
showErrorState(error instanceof Error ? error.message : String(error));
}
}
|