mirror of
https://github.com/LucasKalil-Programador/world-2026-hub.git
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439 lines
16 KiB
JavaScript
439 lines
16 KiB
JavaScript
// stats.js — "Stats" tab. Tournament-to-date aggregates derived ONLY from data
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// the project already has (results.json scores/status + optional per-match
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// stats, matches.json phase). Counts finished matches only, consistent with
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// computeStandings (live/scheduled ignored). Built as the evolving foundation
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// for the post-tournament stats screen (see .agents/stats-screen-plan.md):
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// sections gate on data so player/award/editorial blocks slot in later.
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import { getData, flagSrc, navigateTo } from './app.js';
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import { t, translatePhase } from './i18n.js';
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// "Goals by stage" collapses all 12 groups into one bucket; knockout phases
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// keep their own. Order used to render the chart left-to-right.
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const STAGE_ORDER = ['Round of 32', 'Round of 16', 'Quarterfinals', 'Semifinals', 'Third Place', 'Final'];
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// Per-team table: all 48 teams, 8 per page (6 fixed pages). Sortable columns —
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// existing standings.* labels are reused for the abbreviations the user already
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// knows from the Groups tab; the two new ones carry a full-name title tooltip.
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const PAGE_SIZE = 8;
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const COLUMNS = [
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{ key: 'played', label: 'standings.played', tip: 'tip.played' },
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{ key: 'won', label: 'standings.won', tip: 'tip.won' },
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{ key: 'drawn', label: 'standings.drawn', tip: 'tip.drawn' },
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{ key: 'lost', label: 'standings.lost', tip: 'tip.lost' },
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{ key: 'gf', label: 'standings.gf', tip: 'tip.gf' },
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{ key: 'ga', label: 'standings.ga', tip: 'tip.ga' },
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{ key: 'gd', label: 'standings.gd', tip: 'tip.gd' },
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{ key: 'points', label: 'standings.pts', tip: 'tip.pts' },
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{ key: 'gpg', label: 'stats.colGpg', tip: 'tip.gpg' },
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{ key: 'cleanSheets', label: 'stats.colCS', tip: 'tip.cs' },
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];
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let model = null;
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// table interaction state — survives langchange re-renders (default on load:
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// most goals first, page 1), like the bracket keeps its zoom across re-renders.
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let sortKey = 'gf';
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let sortDir = 'desc';
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let teamPage = 0;
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function stageOf(phase) {
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return phase.startsWith('Group ') ? 'Group' : phase;
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}
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// Tournament-wide team aggregation over finished matches (group + knockout).
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// computeStandings() only covers group matches, so this is its own pass.
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// possession/shots/cards are gated per-match: a finished match without the
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// optional `stats` object simply doesn't contribute (no visible distortion).
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function aggregateTeams(finished, resultByMatchId) {
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const rows = new Map();
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const row = (id) => {
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if (!rows.has(id)) {
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rows.set(id, {
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teamId: id, played: 0, won: 0, drawn: 0, lost: 0, gf: 0, ga: 0,
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cleanSheets: 0, possSum: 0, possCount: 0, shots: 0, cards: 0,
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});
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}
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return rows.get(id);
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};
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for (const m of finished) {
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const r = resultByMatchId.get(m.id);
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const home = row(m.homeTeam);
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const away = row(m.awayTeam);
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applySide(home, r.homeScore, r.awayScore);
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applySide(away, r.awayScore, r.homeScore);
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if (r.stats) {
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const s = r.stats;
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if (s.possession) {
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home.possSum += s.possession.home; home.possCount += 1;
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away.possSum += s.possession.away; away.possCount += 1;
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}
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if (s.shots) { home.shots += s.shots.home; away.shots += s.shots.away; }
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if (s.cards) { home.cards += s.cards.home; away.cards += s.cards.away; }
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}
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}
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return rows;
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}
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function applySide(row, gf, ga) {
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row.played += 1;
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row.gf += gf;
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row.ga += ga;
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if (ga === 0) row.cleanSheets += 1;
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if (gf > ga) row.won += 1;
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else if (gf === ga) row.drawn += 1;
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else row.lost += 1;
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}
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function buildStatsModel() {
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const { matches, resultByMatchId } = getData();
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const finished = matches.filter((m) => resultByMatchId.get(m.id)?.status === 'finished');
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let totalGoals = 0;
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let draws = 0;
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let decisive = 0;
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let biggestMargin = 0;
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const byStage = new Map();
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for (const m of finished) {
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const r = resultByMatchId.get(m.id);
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const total = r.homeScore + r.awayScore;
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totalGoals += total;
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if (r.homeScore === r.awayScore) draws += 1; else decisive += 1;
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biggestMargin = Math.max(biggestMargin, Math.abs(r.homeScore - r.awayScore));
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const stage = stageOf(m.phase);
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const bucket = byStage.get(stage) ?? { goals: 0, count: 0 };
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bucket.goals += total;
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bucket.count += 1;
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byStage.set(stage, bucket);
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}
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const agg = aggregateTeams(finished, resultByMatchId);
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let cleanSheets = 0;
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for (const r of agg.values()) cleanSheets += r.cleanSheets;
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// one row per team for ALL 48 (teams that haven't played yet are real zeros,
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// not gaps), with the derived columns the table needs.
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const teamStats = getData().teams.map((team) => {
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const a = agg.get(team.id);
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const gf = a?.gf ?? 0;
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const ga = a?.ga ?? 0;
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const won = a?.won ?? 0;
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const drawn = a?.drawn ?? 0;
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const played = a?.played ?? 0;
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return {
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teamId: team.id,
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played,
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won,
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drawn,
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lost: a?.lost ?? 0,
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gf,
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ga,
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gd: gf - ga,
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points: won * 3 + drawn,
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cleanSheets: a?.cleanSheets ?? 0,
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gpg: played ? gf / played : 0,
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};
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});
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return {
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totalMatches: matches.length,
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finishedCount: finished.length,
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totalGoals,
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avgGoals: finished.length ? totalGoals / finished.length : 0,
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draws,
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decisive,
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biggestMargin,
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cleanSheets,
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byStage,
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teamStats,
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leaders: computeLeaders(teamStats),
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};
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}
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// Highlight leaders consider only teams that have played, so a 0-game team's
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// empty record never counts as "best defense". Null before any match finishes.
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function computeLeaders(teamStats) {
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const played = teamStats.filter((row) => row.played > 0);
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if (!played.length) return null;
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return {
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bestAttack: [...played].sort((a, b) => b.gf - a.gf || b.gd - a.gd)[0],
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bestDefense: [...played].sort((a, b) => a.ga - b.ga || b.cleanSheets - a.cleanSheets || b.gd - a.gd)[0],
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mostCleanSheets: [...played].sort((a, b) => b.cleanSheets - a.cleanSheets || a.ga - b.ga)[0],
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};
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}
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// ---------------------------------------------------------------- render
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export function initStats() {
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render();
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// labels re-render on language change; the derived model never changes at
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// runtime (data is static per page load) so it is reused.
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document.addEventListener('langchange', render);
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}
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function render() {
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if (!model) model = buildStatsModel();
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const root = document.getElementById('stats-root');
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root.innerHTML = heroHTML() + overviewHTML() + teamsSectionHTML() + footerHTML();
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root.querySelector('#stats-see-matches')?.addEventListener('click', () => navigateTo('matches'));
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const teamsHost = root.querySelector('#stats-teams-table');
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if (teamsHost) {
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teamsHost.addEventListener('click', onTeamTableClick);
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renderTeamTable();
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}
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setupCountUps(root);
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}
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function heroHTML() {
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const m = model;
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const progress = t('stats.heroProgress')
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.replace('{x}', String(m.finishedCount))
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.replace('{y}', String(m.totalMatches));
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const tiles = [
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{ value: m.totalGoals, decimals: 0, label: t('stats.tileGoals') },
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{ value: Number(m.avgGoals.toFixed(2)), decimals: 2, label: t('stats.tileAvg') },
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{ value: m.biggestMargin, decimals: 0, label: t('stats.tileBiggestMargin') },
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{ value: m.cleanSheets, decimals: 0, label: t('stats.tileCleanSheets') },
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];
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return `
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<section class="stats-hero glass slide-up">
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<p class="hero-label">${t('stats.heroTitle')}<span class="hero-phase">${progress}</span></p>
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<div class="stats-hero-tiles">
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${tiles.map((tile) => `
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<div class="stats-tile">
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<span class="stats-tile-value" data-countup="${tile.value}" data-decimals="${tile.decimals}">${tile.decimals ? '0.00' : '0'}</span>
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<span class="stats-tile-label">${tile.label}</span>
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</div>`).join('')}
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</div>
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</section>`;
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}
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function overviewHTML() {
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const m = model;
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const cards = [
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{ value: String(m.finishedCount), sub: `/ ${m.totalMatches}`, label: t('stats.played') },
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{ value: String(m.decisive), label: t('stats.decisive') },
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{ value: String(m.draws), label: t('stats.draws') },
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];
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return `
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<h2 class="section-title">${t('stats.overviewTitle')}</h2>
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<div class="stats-overview-grid">
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${cards.map((card) => `
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<div class="stat-card glass">
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<span class="stat-value">${card.value}${card.sub ? `<span class="stat-sub">${card.sub}</span>` : ''}</span>
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<span class="stat-label">${card.label}</span>
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</div>`).join('')}
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</div>
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${goalsByStageHTML()}`;
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}
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function footerHTML() {
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return `
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<p class="stats-more">
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<button class="stats-link" id="stats-see-matches" type="button">${t('stats.seeAllMatches')} →</button>
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</p>`;
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}
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function goalsByStageHTML() {
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const order = ['Group', ...STAGE_ORDER].filter((stage) => model.byStage.has(stage));
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if (!order.length) return '';
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const max = Math.max(...order.map((stage) => model.byStage.get(stage).goals));
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const rows = order.map((stage) => {
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const bucket = model.byStage.get(stage);
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const pct = max ? Math.round((bucket.goals / max) * 100) : 0;
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const label = stage === 'Group' ? t('stats.stageGroup') : translatePhase(stage);
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return `
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<div class="chart-row">
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<span class="chart-bar-label">${label}</span>
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<div class="chart-track"><div class="chart-bar" style="width:${pct}%"></div></div>
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<span class="chart-bar-val">${bucket.goals}</span>
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</div>`;
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}).join('');
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return `
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<h2 class="section-title">${t('stats.goalsByPhase')}</h2>
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<div class="stats-chart glass">${rows}</div>`;
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}
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// ----------------------------------------------------- team statistics
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function teamsSectionHTML() {
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return `
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<h2 class="section-title">${t('stats.teamStatsTitle')}</h2>
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${leadersHTML()}
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<div id="stats-teams-table" class="stats-teams-table"></div>
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${legendHTML(COLUMNS)}`;
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}
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// Compact abbreviation key — hidden on desktop (the hover tooltip covers it
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// there), shown on small screens where hover doesn't fire.
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function legendHTML(columns) {
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const pairs = columns
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.map((col) => `<span class="legend-pair"><b>${t(col.label)}</b> = ${t(col.tip)}</span>`)
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.join('');
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return `<p class="stats-legend">${pairs}</p>`;
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}
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function leadersHTML() {
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const leaders = model.leaders;
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if (!leaders) return '';
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const cards = [
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{ label: t('stats.bestAttack'), row: leaders.bestAttack, value: leaders.bestAttack.gf },
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{ label: t('stats.bestDefense'), row: leaders.bestDefense, value: leaders.bestDefense.ga },
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{ label: t('stats.mostCleanSheets'), row: leaders.mostCleanSheets, value: leaders.mostCleanSheets.cleanSheets },
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];
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return `<div class="stats-leaders">${cards.map(leaderCardHTML).join('')}</div>`;
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}
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function leaderCardHTML({ label, row, value }) {
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const team = getData().teamById.get(row.teamId);
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return `
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<div class="leader-card glass">
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<span class="leader-label">${label}</span>
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<div class="leader-team">
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<img class="flag" src="${flagSrc(team)}" alt="" width="30" height="20" loading="lazy">
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<span class="leader-name">${team.name}</span>
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</div>
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<span class="leader-value">${value}</span>
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</div>`;
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}
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function sortedTeamStats() {
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const dir = sortDir === 'asc' ? 1 : -1;
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return [...model.teamStats].sort((a, b) => {
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const primary = (a[sortKey] - b[sortKey]) * dir;
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if (primary) return primary;
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// tiebreak is always GD → GF → name, independent of the sort direction
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return b.gd - a.gd || b.gf - a.gf || a.teamId.localeCompare(b.teamId);
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});
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}
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function renderTeamTable() {
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const host = document.getElementById('stats-teams-table');
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if (!host) return;
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const sorted = sortedTeamStats();
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const pages = Math.ceil(sorted.length / PAGE_SIZE);
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teamPage = Math.max(0, Math.min(teamPage, pages - 1));
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const start = teamPage * PAGE_SIZE;
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host.innerHTML = tableHTML(sorted.slice(start, start + PAGE_SIZE), start) + paginationHTML(pages);
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}
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function tableHTML(rows, startIndex) {
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const head = COLUMNS.map((col) => {
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const active = col.key === sortKey;
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const aria = active ? (sortDir === 'asc' ? 'ascending' : 'descending') : 'none';
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const arrow = active ? `<span class="sort-arrow" aria-hidden="true">${sortDir === 'asc' ? '▲' : '▼'}</span>` : '';
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const tip = t(col.tip);
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return `<th scope="col" class="col-num${active ? ' sorted' : ''}" aria-sort="${aria}">
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<button type="button" class="col-sort has-tip" data-sort="${col.key}" data-tip="${tip}" aria-label="${t(col.label)} — ${tip}">${t(col.label)}${arrow}</button>
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</th>`;
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}).join('');
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const body = rows.map((row, i) => {
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const team = getData().teamById.get(row.teamId);
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const cells = COLUMNS.map((col) => {
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const value = col.key === 'gpg' ? row.gpg.toFixed(2) : col.key === 'gd' ? fmtGd(row.gd) : row[col.key];
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return `<td class="col-num${col.key === sortKey ? ' sorted' : ''}">${value}</td>`;
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}).join('');
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return `
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<tr class="${row.played === 0 ? 'row-idle' : ''}">
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<td class="col-rank">${startIndex + i + 1}</td>
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<td class="col-team">
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<img class="flag" src="${flagSrc(team)}" alt="" width="22" height="15" loading="lazy">
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<span>${team.name}</span>
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</td>
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${cells}
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</tr>`;
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}).join('');
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return `
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<div class="stats-table-wrap" role="region" aria-label="${t('stats.teamStatsTitle')}" tabindex="0">
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<table class="stats-table">
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<caption class="sr-only">${t('stats.teamStatsTitle')}</caption>
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<thead>
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<tr>
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<th scope="col" class="col-rank">#</th>
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<th scope="col" class="col-team">${t('standings.team')}</th>
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${head}
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</tr>
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</thead>
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<tbody>${body}</tbody>
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</table>
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</div>`;
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}
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function paginationHTML(pages) {
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if (pages <= 1) return '';
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const nums = Array.from({ length: pages }, (_, p) => `
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<button type="button" class="page-btn${p === teamPage ? ' active' : ''}" data-page="${p}"
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aria-current="${p === teamPage ? 'page' : 'false'}">${p + 1}</button>`).join('');
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return `
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<nav class="stats-pagination" aria-label="${t('stats.teamStatsTitle')}">
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<button type="button" class="page-btn page-arrow" data-page="${teamPage - 1}"
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${teamPage === 0 ? 'disabled' : ''} aria-label="${t('stats.prevPage')}">‹</button>
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${nums}
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<button type="button" class="page-btn page-arrow" data-page="${teamPage + 1}"
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${teamPage >= pages - 1 ? 'disabled' : ''} aria-label="${t('stats.nextPage')}">›</button>
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</nav>`;
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}
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function onTeamTableClick(event) {
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const sortBtn = event.target.closest('.col-sort');
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if (sortBtn) {
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const key = sortBtn.dataset.sort;
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if (key === sortKey) sortDir = sortDir === 'desc' ? 'asc' : 'desc';
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else { sortKey = key; sortDir = 'desc'; }
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teamPage = 0;
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renderTeamTable();
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return;
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}
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const pageBtn = event.target.closest('.page-btn');
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if (pageBtn && !pageBtn.disabled) {
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teamPage = Number(pageBtn.dataset.page);
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renderTeamTable();
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}
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}
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function fmtGd(gd) {
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return gd > 0 ? `+${gd}` : String(gd);
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}
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// ------------------------------------------------------------- count-up
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function fmt(value, decimals) {
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return decimals ? value.toFixed(decimals) : String(Math.round(value));
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}
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function setupCountUps(root) {
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const els = [...root.querySelectorAll('[data-countup]')];
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if (!els.length) return;
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const reduce = window.matchMedia('(prefers-reduced-motion: reduce)').matches;
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if (reduce) {
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for (const el of els) el.textContent = fmt(Number(el.dataset.countup), Number(el.dataset.decimals) || 0);
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return;
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}
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// animate each tile when it first scrolls into view — the panel is hidden
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// until the Stats tab is opened, so this fires on arrival, not at load.
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const io = new IntersectionObserver((entries, obs) => {
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for (const entry of entries) {
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if (!entry.isIntersecting) continue;
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animateCount(entry.target);
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obs.unobserve(entry.target);
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}
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}, { threshold: 0.4 });
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for (const el of els) io.observe(el);
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}
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function animateCount(el) {
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const target = Number(el.dataset.countup);
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const decimals = Number(el.dataset.decimals) || 0;
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const duration = 900;
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const start = performance.now();
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const step = (now) => {
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const p = Math.min(1, (now - start) / duration);
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const eased = 1 - (1 - p) ** 3;
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el.textContent = fmt(target * eased, decimals);
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if (p < 1) requestAnimationFrame(step);
|
||
else el.textContent = fmt(target, decimals);
|
||
};
|
||
requestAnimationFrame(step);
|
||
}
|