import { chromium } from '@playwright/test';

const base = process.env.TTSC_URL || 'http://localhost:7890';
const browser = await chromium.launch({ headless: true, executablePath: process.env.CHROMIUM_PATH || '/snap/bin/chromium' });
const page = await browser.newPage();
page.on('console', msg => { if (msg.type() === 'error') console.error('[browser]', msg.text()); });
await page.goto(base + '/#s-library', { waitUntil: 'domcontentloaded' });
await page.waitForFunction(() => typeof window.clGetAll === 'function' && typeof window._charAutoDesignVoice === 'function', null, { timeout: 30000 });
await page.evaluate(async () => {
  if (typeof window.loadVoiceLibrary === 'function') await window.loadVoiceLibrary();
});

const targets = await page.evaluate(async () => {
  const books = new Set([
    'Hohlbein & Hennen - DSA - Das Jahr des Greifen 01 - Der Sturm',
    'Hohlbein & Hennen - DSA - Das Jahr des Greifen 02 - Die Entdeckung',
    'Hohlbein & Hennen - DSA - Das Jahr des Greifen 03 - Die Amazone',
  ]);
  const chars = await window.clGetAll();
  const voices = window._voices || [];
  const ratings = new Map(voices.map(v => [v.id, Number(v.rating || 0)]));
  return chars.filter(c => books.has(c.book) && c.voice && ratings.get(typeof c.voice === 'object' ? c.voice.id : c.voice) >= 1 && ratings.get(typeof c.voice === 'object' ? c.voice.id : c.voice) <= 2)
    .map(c => {
      const voiceId = typeof c.voice === 'object' ? c.voice.id : c.voice;
      const voice = voices.find(v => v.id === voiceId) || {};
      return { id: c.id, book: c.book, name: c.name, rating: ratings.get(voiceId), feedback: String(voice.note || '').trim() };
    });
});

console.log(`Quality pass starting for ${targets.length} voices`);
let done = 0;
for (const target of targets) {
  const result = await page.evaluate(async (target) => {
    const all = await window.clGetAll();
    const rec = all.find(c => c.id === target.id);
    if (!rec) throw new Error('Character no longer exists');
    const sheet = rec.sheet || {};
    const sample = [sheet.physical, sheet.backstory, sheet.motivation].filter(Boolean).join(' ');
    const language = typeof window.detectLang === 'function' && sample ? (window.detectLang(sample) || '') : '';
    const llm = typeof window.statusLlmTarget === 'function' ? window.statusLlmTarget() : { url: '', model: '' };
    const promptResponse = await fetch('/api/character-generate-prompts', {
      method: 'POST', headers: { 'Content-Type': 'application/json' },
      body: JSON.stringify({ name: rec.name, book: rec.book || '', sheet, voice_feedback: target.feedback || '', language, llm_url: llm.url, model: llm.model, fields: ['voice_design_prompt'] }),
    });
    if (!promptResponse.ok) throw new Error('Prompt generation: ' + promptResponse.status + ' ' + promptResponse.statusText);
    const promptData = await promptResponse.json();
    const prompt = String(promptData.voice_design_prompt || '').trim();
    if (!prompt) throw new Error('Empty regenerated prompt');
    rec.sheet = rec.sheet || {};
    rec.sheet.voice_design_prompt = prompt;
    rec.updated = new Date();
    await window.clPut(rec);
    await window._charAutoDesignVoice(rec, true, prompt);
    return { name: rec.name, prompt };
  }, target);
  done += 1;
  console.log(`[${done}/${targets.length}] ${target.rating}★ ${target.book} — ${result.name}`);
}
console.log('Quality pass complete');
await page.evaluate(async () => {
  const r = await fetch('/api/tts/restart', { method: 'POST' });
  if (!r.ok) throw new Error('TTS restart failed: ' + r.status);
});
console.log('TTS backend restarted; redesigned audio cache flushed');
await browser.close();