<%*
/* PF2e AI Session Summary — FULL NOTE MODE (single-string call)
   - Uses the whole note body (not just bullets)
   - Strips frontmatter, code fences, and prior summaries/history
   - Lets you pick Short / Standard / Detailed length
*/

const file = app.workspace.getActiveFile();
if (!file) { new Notice("Open a session note first."); return; }

/* ---------- Read & sanitize whole note ---------- */
let body = await app.vault.read(file);

// strip YAML frontmatter
body = body.replace(/^---\r?\n[\s\S]*?\r?\n---\r?\n?/, "");

// strip prior summaries & history blocks if present
body = body.replace(/<!--\s*SUMMARY-START\s*-->[\s\S]*?<!--\s*SUMMARY-END\s*-->/gi, "");
body = body.replace(/<!--\s*SUMMARY-HISTORY-START\s*-->[\s\S]*?<!--\s*SUMMARY-HISTORY-END\s*-->/gi, "");

// strip code fences & inline dataview
body = body.replace(/```[\s\S]*?```/g, "");
body = body.replace(/`=\s*[^`]+`/g, "");

// normalize whitespace
body = body.replace(/\r/g, "").trim();

// If the note is very long, cap input (you can raise this safely)
const MAX_INPUT_CHARS = 40000;
if (body.length > MAX_INPUT_CHARS) body = body.slice(0, MAX_INPUT_CHARS);

/* ---------- Metadata ---------- */
const cache = app.metadataCache.getFileCache(file) || {};
const fm = cache.frontmatter || {};
const seshName = fm.Session_Name || tp.file.title || file.basename;
const seshDate = fm.Date || tp.date.now("YYYY-MM-DD");

/* ---------- Length selector ---------- */
const lenPick = await tp.system.suggester(
  ["Short (~6 bullets)","Standard (~12 bullets)","Detailed (~20 bullets)"],
  ["short","standard","detailed"]
) ?? "standard";
const bulletTarget = (lenPick === "short") ? 6 : (lenPick === "detailed") ? 20 : 12;

/* ---------- Build single-string prompt ---------- */
const prompt = `You are a concise Pathfinder 2e GM assistant. Summarize the FULL session note below.

Return ONLY:
**One-line recap (bold)**
- Key beats (bulleted, chronological, ${bulletTarget} bullets max)
- NPCs & factions touched (preserve existing [[wikilinks]] verbatim if present)
- Encounters/checks/outcomes (brief)
- Loot/rewards/XP (brief)
- Next hooks/to-dos (bullets)

DO NOT echo raw headings, “Highlight::”, or placeholder text. Cover ALL major content, not just bullet lists.

Session: "${seshName}" on ${seshDate}

=== NOTE START ===
${body}
=== NOTE END ===`;

/* ---------- Call AI (string-only) ---------- */
let summary = "";
try {
  const resp = await tp.ai.chat(prompt);
  summary = (typeof resp === "string") ? resp : (resp?.content ?? resp?.text ?? "");
} catch (e) {
  console.error("AI error:", e);
}

/* ---------- Fallback if model returns empty ---------- */
if (!summary || !summary.trim()) {
  // Build a tidy, non-noisy fallback from the whole note (no headings/labels)
  const lines = body
    .split("\n")
    .map(s => s.trim())
    .filter(s => s && !/^#{1,6}\s/.test(s))        // no markdown headings
    .filter(s => !/^\*\*[^*]+:\*\*$/.test(s))      // no bold-only section labels
    .filter(s => !/^Highlight::/i.test(s))         // no "Highlight::"
    .filter(s => !/^Round\s+\d+/i.test(s))         // no "Round X"
    .filter(s => s !== "[[ ]]");                   // no empty wikilinks

  const oneLine = `**${seshName} — ${seshDate}:** ${lines[0] || "Session recap unavailable."}`;
  const bullets = lines.slice(1, 1 + Math.min(20, bulletTarget + 4)).map(s => `- ${s}`);
  summary = [oneLine, ...bullets].join("\n");
}

/* ---------- Inject between SUMMARY markers ---------- */
const START = "<!-- SUMMARY-START -->";
const END   = "<!-- SUMMARY-END -->";
let content = await app.vault.read(file);
const sIdx = content.indexOf(START), eIdx = content.indexOf(END);
if (sIdx === -1 || eIdx === -1 || eIdx < sIdx) { new Notice("Could not find SUMMARY markers."); return; }

const before = content.slice(0, sIdx + START.length);
const after  = content.slice(eIdx);
await app.vault.modify(file, before + "\n" + summary.trim() + "\n" + after);
new Notice("AI session summary generated.");
%>