Session 29: Content generation templates — slate threads, POTD, recaps, matchup previews (1660 tests)

2026-06-13 21:30:57 -04:00
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+'use strict';
+
+/**
+ * Content formatter (Session 29).
+ *
+ * Transforms structured content objects (from contentTemplateService) into
+ * platform-ready PLAIN TEXT — suitable for X threads / Telegram. Image
+ * formatting is a separate design-layer concern. Pure + defensive: a
+ * missing field renders as a sensible blank, never "undefined".
+ */
+
+function fmtOdds(o) {
+  const n = Number(o);
+  if (!Number.isFinite(n)) return String(o ?? '');
+  return n > 0 ? `+${n}` : `${n}`;
+}
+
+function fmtTime(iso) {
+  if (!iso) return '';
+  try {
+    return new Date(iso).toLocaleTimeString('en-US', { hour: 'numeric', minute: '2-digit', timeZoneName: 'short' });
+  } catch {
+    return String(iso);
+  }
+}
+
+function formatPickPost(p) {
+  const lines = [`${p.player} · ${p.stat} ${p.side || ''} ${p.line ?? ''}`.replace(/\s+/g, ' ').trim()];
+  lines.push(`Grade: ${p.grade}${p.confidence ? ` · ${p.confidence}% confidence` : ''}`);
+  if (p.edge) lines.push(`Edge: ${p.edge > 0 ? '+' : ''}${p.edge}%`);
+  if (p.analysis) lines.push(p.analysis);
+  return lines.join('\n');
+}
+
+function formatGameHighlight(p) {
+  const parts = [`${p.game}${p.time ? ` · ${fmtTime(p.time)}` : ''}`];
+  if (p.bestAwayML) parts.push(`Best away ML: ${fmtOdds(p.bestAwayML.odds)} (${p.bestAwayML.book})`);
+  if (p.bestHomeML) parts.push(`Best home ML: ${fmtOdds(p.bestHomeML.odds)} (${p.bestHomeML.book})`);
+  if (p.total != null) parts.push(`O/U ${p.total}`);
+  if (p.bookCount) parts.push(`${p.bookCount} books`);
+  return parts.join('\n');
+}
+
+function formatMovers(p) {
+  const head = '📈 Biggest line moves:';
+  const rows = (p.movers || []).map((m) => {
+    const d = m.delta > 0 ? `+${m.delta}` : `${m.delta}`;
+    return `${m.player} ${String(m.stat || '').replace(/_/g, ' ')}: ${m.opening ?? '?'} → ${m.current ?? '?'} (${d})${m.sharpSignal ? ' ⚡' : ''}`;
+  });
+  return [head, ...rows].join('\n');
+}
+
+function formatSchedule(p) {
+  return (p.games || [])
+    .map((g) => `${g.away || '?'} @ ${g.home || '?'}${g.time ? ` · ${fmtTime(g.time)}` : ''}`)
+    .join('\n');
+}
+
+function formatPost(post) {
+  switch (post.role) {
+    case 'hook': return post.text || '';
+    case 'cta': return post.text || '';
+    case 'pick': return formatPickPost(post);
+    case 'game_highlight': return formatGameHighlight(post);
+    case 'movers': return formatMovers(post);
+    case 'schedule': return formatSchedule(post);
+    default: return '';
+  }
+}
+
+/** Returns an array of post-ready strings (one per thread post). */
+function formatSlateThread(thread) {
+  if (!thread || !Array.isArray(thread.posts)) return [];
+  return thread.posts.map(formatPost);
+}
+
+/** Single-block POTD text. */
+function formatPOTD(potd) {
+  if (!potd || potd.available === false) return 'No standout pick today — check the full slate at vyndr.app.';
+  if (potd.dataLevel === 'lines') {
+    return `🎯 GAME OF THE DAY\n${potd.game}${potd.time ? ` · ${fmtTime(potd.time)}` : ''}\n${potd.total != null ? `O/U ${potd.total}` : ''}${potd.bestHomeML ? `\nBest home ML ${fmtOdds(potd.bestHomeML.odds)} (${potd.bestHomeML.book})` : ''}`.trim();
+  }
+  return `🎯 PROP OF THE DAY\n${formatPickPost(potd)}`;
+}
+
+/** Recap text block. */
+function formatRecap(recap) {
+  if (!recap || recap.available === false) return 'No graded results in yet today.';
+  const { record, winRate } = recap;
+  const lines = [`📊 VYNDR RECAP — ${recap.date}`];
+  lines.push(`Record: ${record.wins}-${record.losses}${record.pushes ? `-${record.pushes}` : ''}${winRate != null ? ` (${Math.round(winRate * 100)}%)` : ''}`);
+  if (recap.topHits && recap.topHits.length) {
+    lines.push('Top hits:');
+    for (const h of recap.topHits) lines.push(`✅ ${h.player} ${h.stat} ${h.side || ''} ${h.line ?? ''}`.replace(/\s+/g, ' ').trim());
+  }
+  if (recap.metrics && recap.metrics.brierScore != null) lines.push(`Brier: ${recap.metrics.brierScore}`);
+  return lines.join('\n');
+}
+
+module.exports = {
+  formatSlateThread,
+  formatPOTD,
+  formatRecap,
+  __internals: { formatPost, formatPickPost, formatGameHighlight, formatMovers, formatSchedule },
+};