#!/usr/bin/env node
const fs = require('fs');
const os = require('os');
const path = require('path');
const { spawnSync } = require('child_process');
const { VIDEO_RESOURCE_HEADER } = require('./create-video-intake-pack');

const root = path.resolve(__dirname, '..');

function main() {
  const tmp = fs.mkdtempSync(path.join(os.tmpdir(), 'tihao-video-resource-readiness-'));
  const passCsv = path.join(tmp, 'video-pass.csv');
  const failCsv = path.join(tmp, 'video-fail.csv');
  const passOutput = path.join(tmp, 'pass-output');
  const failOutput = path.join(tmp, 'fail-output');

  writeCsv(passCsv, [
    VIDEO_RESOURCE_HEADER,
    row({
      briefId: 'brief-001',
      role: '参考视频',
      creatorName: '参考博主',
      videoUrl: 'https://example.com/reference.mp4',
      coverUrl: 'https://example.com/reference-cover.jpg',
      asrText: '真实 ASR 文本，描述人群、场景、口播结构和表达方式。',
      frameUrls: 'https://example.com/reference-frame.jpg',
      isReal: '是'
    }),
    row({
      briefId: 'brief-001',
      role: '候选视频',
      creatorName: '候选博主',
      videoUrl: 'https://example.com/candidate.mp4',
      coverUrl: 'https://example.com/candidate-cover.jpg',
      asrText: '候选视频 ASR 文本，能够辅助判断调性是否接近。',
      frameUrls: '',
      isReal: '是'
    })
  ]);
  writeCsv(failCsv, [
    VIDEO_RESOURCE_HEADER,
    row({
      briefId: 'brief-001',
      role: '参考视频',
      creatorName: '参考博主',
      videoUrl: '',
      coverUrl: '',
      asrText: '',
      frameUrls: '',
      isReal: '否'
    })
  ]);

  runAudit(passCsv, passOutput, true);
  runAudit(failCsv, failOutput, false);

  const passSummary = JSON.parse(fs.readFileSync(path.join(passOutput, 'video-resource-readiness-summary.json'), 'utf8'));
  const failSummary = JSON.parse(fs.readFileSync(path.join(failOutput, 'video-resource-readiness-summary.json'), 'utf8'));
  const report = fs.readFileSync(path.join(passOutput, 'video-resource-readiness-report.md'), 'utf8').replace(/^\uFEFF/, '');
  const failReport = fs.readFileSync(path.join(failOutput, 'video-resource-readiness-report.md'), 'utf8').replace(/^\uFEFF/, '');
  const failRepairCsv = path.join(failOutput, 'video-resource-repair-actions.csv');
  assert(passSummary.acceptance.readyForVideoAbPreflight === true, 'complete video resources should pass preflight readiness');
  assert(Array.isArray(passSummary.repairActions) && passSummary.repairActions.length === 0, 'passing sample should have no repair actions');
  assert(passSummary.counts.realReferenceRows === 1, 'passing sample should include one real reference row');
  assert(passSummary.counts.realCandidateRows === 1, 'passing sample should include one real candidate row');
  assert(passSummary.counts.videoUrlRows === 2, 'passing sample should include video URLs');
  assert(failSummary.acceptance.readyForVideoAbPreflight === false, 'missing video resources should fail readiness');
  assert(Array.isArray(failSummary.repairActions) && failSummary.repairActions.length === failSummary.failureCount, 'failing sample should expose repair action for each issue');
  assert(fs.existsSync(failRepairCsv), 'failing audit should write repair actions CSV');
  assert(failSummary.issues.some(item => item.type === 'missing-real-reference'), 'failure should mention missing real reference resource');
  assert(failSummary.issues.some(item => item.type === 'missing-video-url'), 'failure should mention missing video URL');
  assert(report.includes('# 视频资源就绪审计'), 'report should be Chinese');
  assert(failReport.includes('## 修复清单'), 'failing report should include repair action section');
  assert(fs.readFileSync(failRepairCsv, 'utf8').includes('修复动作'), 'video repair action CSV should include action column');
  assert(!/(sk-[A-Za-z0-9_-]{20,}|r:[A-Za-z0-9]{20,}|Authorization\s*[:=]\s*Bearer)/i.test(report), 'report should not contain secrets');

  console.log(JSON.stringify({
    ok: true,
    passOutput,
    failOutput,
    passFailureCount: passSummary.failureCount,
    failFailureCount: failSummary.failureCount
  }, null, 2));
}

function runAudit(input, output, shouldPass) {
  const result = spawnSync(process.execPath, [
    path.join(root, 'scripts', 'video-resource-readiness-audit.js'),
    '--input',
    input,
    '--output',
    output,
    '--strict'
  ], { cwd: root, encoding: 'utf8' });
  if (shouldPass && result.status !== 0) {
    process.stderr.write(result.stderr || result.stdout || '');
    throw new Error('passing video resource readiness audit should exit 0');
  }
  if (!shouldPass && result.status === 0) {
    throw new Error('failing video resource readiness audit should exit non-zero in strict mode');
  }
}

function row({ briefId, role, creatorName, videoUrl, coverUrl, asrText, frameUrls, isReal }) {
  return [
    briefId,
    '示例项目',
    '小红书',
    role,
    creatorName,
    `https://example.com/${creatorName}`,
    videoUrl,
    coverUrl,
    asrText,
    frameUrls,
    '示例标题',
    '2026-06-01',
    '内容摘要用于辅助判断视频风格。',
    '真实记录感|高质感女性场景',
    '真人出镜、自然光、轻口播',
    '',
    'smoke fake source',
    isReal
  ];
}

function writeCsv(file, rows) {
  fs.writeFileSync(file, `\uFEFF${rows.map(row => row.map(csvCell).join(',')).join('\n')}`, 'utf8');
}

function csvCell(value) {
  const text = String(value ?? '');
  return /[",\n]/.test(text) ? `"${text.replace(/"/g, '""')}"` : text;
}

function assert(condition, message) {
  if (!condition) throw new Error(message);
}

main();