#!/usr/bin/env node
/**
 * 光湖视频AI系统 · 无成本体检脚本
 * D140 · Codex收口层
 *
 * 只扫描本地仓库和JZAO外置盘，不调用任何视频/图片生成API。
 * 目标: 把剧本、分镜、导演编码、产物、注册表、制作线状态对齐成一张报告。
 */

const fs = require('fs');
const path = require('path');
const { execFileSync } = require('child_process');

const ROOT = path.resolve(__dirname, '../..');
const SYS = path.join(ROOT, 'video-ai-system');
const OUT = path.join(SYS, 'outputs');
const SCRIPT_MD = path.join(ROOT, '动态漫：《付费才能修仙？我的宗门全免费》.md');
const PRODUCT_LINES = path.join(SYS, 'config/product-lines.json');
const STORYBOARD = path.join(SYS, 'data/ep01-storyboard.json');
const DIRECTOR_ENCODING = path.join(OUT, '付费修仙-ep01-director-encoding.json');
const DIRECTOR_ENCODING_V2 = path.join(OUT, 'ep01-director-encoding-3d-v2.json');
const PROMPTS_V2 = path.join(OUT, 'ep01-prompts-3d-v2.json');
const VIDEO_REGISTRY = path.join(OUT, 'video-registry.json');
const STATUS = path.join(SYS, 'memory/zai-fu-fei-xiu-xian/STATUS.hdlp');
const JZAO_EP01 = '/Volumes/JZAO/铸渊-ICE-GL-ZY001/OUT-输出/视频/zai-fu-fei-xiu-xian/ep01';
const JZAO_EP01_3D = '/Volumes/JZAO/铸渊-ICE-GL-ZY001/OUT-输出/视频/zai-fu-fei-xiu-xian/ep01-3D';

function readJson(file, fallback = null) {
  try {
    return JSON.parse(fs.readFileSync(file, 'utf8'));
  } catch (e) {
    return fallback;
  }
}

function exists(file) {
  return fs.existsSync(file);
}

function listFiles(dir, exts) {
  if (!exists(dir)) return [];
  const out = [];
  const stack = [dir];
  while (stack.length) {
    const current = stack.pop();
    for (const name of fs.readdirSync(current)) {
      if (name.startsWith('._')) continue;
      const p = path.join(current, name);
      const stat = fs.statSync(p);
      if (stat.isDirectory()) {
        stack.push(p);
      } else if (exts.includes(path.extname(name).toLowerCase())) {
        out.push(p);
      }
    }
  }
  return out.sort();
}

function ffprobe(file) {
  try {
    const raw = execFileSync('ffprobe', [
      '-v', 'quiet',
      '-print_format', 'json',
      '-show_format',
      '-show_streams',
      file,
    ], { encoding: 'utf8', timeout: 8000 });
    const meta = JSON.parse(raw);
    const stream = (meta.streams || []).find(s => s.codec_type === 'video') || {};
    return {
      duration: Number.parseFloat(meta.format?.duration || stream.duration || 0),
      size: Number.parseInt(meta.format?.size || '0', 10),
      width: stream.width || null,
      height: stream.height || null,
      codec: stream.codec_name || null,
    };
  } catch (e) {
    return { error: e.message };
  }
}

function summarizeVideos(files) {
  return files.map(file => ({
    file,
    name: path.basename(file),
    ...ffprobe(file),
  }));
}

function activeLines(config) {
  const lines = config?.lines || {};
  return Object.entries(lines)
    .filter(([, v]) => v.active)
    .map(([k, v]) => ({ key: k, name: v.name, status: v.status || 'active' }));
}

function detectIssues(data) {
  const issues = [];
  if (data.activeLines.length !== 1) {
    issues.push({
      level: 'red',
      title: '制作线必须只有一条active',
      detail: `当前active数量=${data.activeLines.length}`,
    });
  }
  if (data.activeLines[0]?.key !== '3d') {
    issues.push({
      level: 'red',
      title: '当前主线不是3D漫剧',
      detail: '冰朔已决策注销真人线，主线必须是3d。',
    });
  }
  if (!data.script.exists) {
    issues.push({ level: 'red', title: '剧本MD缺失', detail: SCRIPT_MD });
  }
  if (!data.storyboard.exists) {
    issues.push({ level: 'red', title: '分镜JSON缺失', detail: STORYBOARD });
  }
  if (!data.directorEncoding.exists && !data.directorEncodingV2.exists) {
    issues.push({ level: 'red', title: '导演编码缺失', detail: `${DIRECTOR_ENCODING} / ${DIRECTOR_ENCODING_V2}` });
  }
  if (data.localFinals.length === 0 && data.jzaoVideos.length === 0 && data.jzao3dVideos.length === 0) {
    issues.push({ level: 'red', title: '没有发现任何视频产物', detail: 'outputs和JZAO均为空。' });
  }
  if (data.statusClaimsInProgress && data.jzaoFound15s) {
    issues.push({
      level: 'yellow',
      title: '状态文件滞后',
      detail: 'STATUS仍写生成中，但JZAO已发现D136 15秒成品。',
    });
  }
  if (!data.promptsV2.exists) {
    issues.push({
      level: 'red',
      title: '3D主线提示词缺失',
      detail: PROMPTS_V2,
    });
  }
  if (data.promptsStillRealistic && !data.promptsV2.exists) {
    issues.push({
      level: 'yellow',
      title: '旧提示词仍是真人写实',
      detail: 'ep01-prompts.json属于旧线，不能作为3D主线继续生成；且尚未发现ep01-prompts-3d-v2.json。',
    });
  }
  if (data.registryMissingExistingFiles.length > 0) {
    issues.push({
      level: 'yellow',
      title: '注册表存在失效文件路径',
      detail: `${data.registryMissingExistingFiles.length}条registry路径在当前机器上不存在。`,
    });
  }
  return issues;
}

function main() {
  const product = readJson(PRODUCT_LINES, {});
  const storyboard = readJson(STORYBOARD, {});
  const encoding = readJson(DIRECTOR_ENCODING, {});
  const encodingV2 = readJson(DIRECTOR_ENCODING_V2, {});
  const promptsV2 = readJson(PROMPTS_V2, {});
  const registry = readJson(VIDEO_REGISTRY, { shots: {} });
  const promptsText = exists(path.join(SYS, 'data/ep01-prompts.json'))
    ? fs.readFileSync(path.join(SYS, 'data/ep01-prompts.json'), 'utf8')
    : '';
  const statusText = exists(STATUS) ? fs.readFileSync(STATUS, 'utf8') : '';
  const statusClaimsInProgress = statusText
    .split(/\r?\n/)
    .some(line => /(\|.*(🔄|生成中|重新生成中))|(\[[ x]\].*(生成中|重新生成中))/.test(line));

  const localVideos = summarizeVideos([
    ...listFiles(path.join(OUT, 'final'), ['.mp4']),
    ...listFiles(path.join(OUT, 'shots'), ['.mp4']),
    ...listFiles(OUT, ['.mp4']),
  ]);
  const jzaoVideos = summarizeVideos(listFiles(JZAO_EP01, ['.mp4']));
  const jzao3dVideos = summarizeVideos(listFiles(JZAO_EP01_3D, ['.mp4']));
  const registryEntries = Object.values(registry.shots || {});
  const registryMissingExistingFiles = registryEntries.filter(x => x.filePath && !exists(x.filePath));

  const data = {
    generatedAt: new Date().toISOString(),
    activeLines: activeLines(product),
    script: {
      exists: exists(SCRIPT_MD),
      file: SCRIPT_MD,
      size: exists(SCRIPT_MD) ? fs.statSync(SCRIPT_MD).size : 0,
    },
    storyboard: {
      exists: exists(STORYBOARD),
      shots: storyboard.shots?.length || 0,
      totalDuration: (storyboard.shots || []).reduce((s, x) => s + (Number(x.duration) || 0), 0),
    },
    directorEncoding: {
      exists: exists(DIRECTOR_ENCODING),
      shots: encoding.shots?.length || 0,
      project: encoding.project,
      episode: encoding.episode,
    },
    directorEncodingV2: {
      exists: exists(DIRECTOR_ENCODING_V2),
      file: DIRECTOR_ENCODING_V2,
      shots: encodingV2.shots?.length || 0,
      targetDuration: encodingV2.target_duration || null,
      status: encodingV2._meta?.status || null,
    },
    promptsV2: {
      exists: exists(PROMPTS_V2),
      file: PROMPTS_V2,
      shots: promptsV2.shots?.length || 0,
      status: promptsV2._meta?.status || null,
    },
    localFinals: localVideos.filter(v => v.file.includes('/outputs/final/')),
    localVideos,
    jzaoVideos,
    jzao3dVideos,
    legacyOutputPolicy: '旧JZAO视频产物全部废弃，只作为踩坑样本和反例参考，不进入D140 V2生产线。',
    jzaoFound15s: jzaoVideos.some(v => v.name.includes('15s') || v.name.includes('opening')),
    registry: {
      total: registryEntries.length,
      missingFiles: registryMissingExistingFiles.length,
    },
    registryMissingExistingFiles,
    statusClaimsInProgress,
    promptsStillRealistic: /真人写实/.test(promptsText),
  };

  data.issues = detectIssues(data);

  const jsonPath = path.join(OUT, 'system-audit-latest.json');
  fs.writeFileSync(jsonPath, JSON.stringify(data, null, 2), 'utf8');

  const lines = [];
  lines.push('# 视频AI系统 · 无成本体检报告');
  lines.push('');
  lines.push(`生成时间: ${data.generatedAt}`);
  lines.push('');
  lines.push(`当前active制作线: ${data.activeLines.map(x => `${x.key}(${x.name})`).join(', ') || '无'}`);
  lines.push(`剧本MD: ${data.script.exists ? '存在' : '缺失'}`);
  lines.push(`分镜: ${data.storyboard.shots}镜 / ${data.storyboard.totalDuration}s`);
  lines.push(`导演编码: 旧${data.directorEncoding.shots}镜 / V2 ${data.directorEncodingV2.shots}镜`);
  lines.push(`3D提示词V2: ${data.promptsV2.exists ? `${data.promptsV2.shots}镜` : '缺失'}`);
  lines.push(`本地产物: ${data.localVideos.length}个mp4`);
  lines.push(`JZAO ep01产物: ${data.jzaoVideos.length}个mp4`);
  lines.push(`JZAO ep01-3D产物: ${data.jzao3dVideos.length}个mp4`);
  lines.push(`旧产物裁决: ${data.legacyOutputPolicy}`);
  lines.push(`注册表: ${data.registry.total}条 / 失效路径${data.registry.missingFiles}条`);
  lines.push('');
  lines.push('## 问题');
  if (data.issues.length === 0) {
    lines.push('- 无红黄问题。');
  } else {
    for (const issue of data.issues) {
      lines.push(`- ${issue.level.toUpperCase()} · ${issue.title}: ${issue.detail}`);
    }
  }
  lines.push('');
  lines.push('## 推荐下一步');
  lines.push('1. 只保留3D漫剧为active制作线。');
  lines.push(data.promptsV2.exists
    ? '2. 旧真人提示词不再继续生成；使用 ep01-prompts-3d-v2.json 作为主线。'
    : '2. 旧真人提示词不再继续生成，重新生成3D主线提示词。');
  lines.push('3. 旧JZAO视频不进入生产线，只作为反例经验。');
  lines.push(data.directorEncodingV2.exists && data.promptsV2.exists
    ? '4. 下一步生成/确认CHAR-003、ENV-002、PROP牌匾/广告牌视觉锚点。'
    : '4. 按 PIPELINE-3D-MANJU.hdlp 重建 EP01-15S-V2。');
  lines.push('5. 状态文件必须由体检报告回写，不再靠人工记忆。');
  lines.push('6. 视觉锚点和生成前体检通过后才调用API。');
  lines.push('');
  const mdPath = path.join(OUT, 'system-audit-latest.md');
  fs.writeFileSync(mdPath, lines.join('\n'), 'utf8');

  console.log(`体检完成: ${jsonPath}`);
  console.log(`报告: ${mdPath}`);
  if (data.issues.length) {
    console.log('发现问题:');
    data.issues.forEach(i => console.log(`- ${i.level}: ${i.title}`));
  } else {
    console.log('未发现红黄问题。');
  }
}

main();