#!/usr/bin/env node
const fs = require('fs');
const path = require('path');
const os = require('os');
const { spawnSync } = require('child_process');

const PROJECT_ROOT = path.resolve(__dirname, '..', '..');
const DIST_DIR = path.join(PROJECT_ROOT, 'dist');
const OPENCLAW_SKILLS_ROOT = path.join(PROJECT_ROOT, 'openclaw-skills');
const SUITE_DIR = path.join(OPENCLAW_SKILLS_ROOT, 'douyin-speaking-daily');
const SUITE_MANIFEST = path.join(SUITE_DIR, 'skill-package-manifest.json');
const PACKAGE_ZIP = path.join(DIST_DIR, 'douyin-speaking-daily.zip');
const DIST_MANIFEST = path.join(DIST_DIR, 'douyin-speaking-daily-suite-manifest.json');
const NODE_CMD = process.execPath || (process.platform === 'win32' ? 'node.exe' : 'node');

const SKILLS = [
  'voc-token-preflight',
  'douyin-general-search',
  'douyin-hashtag-search',
  'douyin-video-detail',
  'douyin-video-comments',
  'douyin-comment-replies',
  'douyin-user-search',
  'douyin-user-profile',
  'douyin-user-posts',
  'douyin-mini-voc',
  'douyin-speaking-profile-builder',
  'douyin-speaking-profile-memory',
  'douyin-speaking-keyword-monitor',
  'douyin-speaking-account-monitor',
  'douyin-speaking-daily-runner',
  'douyin-speaking-daily-report',
  'douyin-viral-script-analyzer',
  'douyin-video-transcript'
];

const TOOL_FILES = [
  'openclaw-tool-runner.js',
  'set-voc-token.js',
  'voc-token-preflight.js',
  'douyin-speaking-profile-memory.js',
  'douyin-speaking-daily-runner.js',
  'douyin-speaking-daily-report.js',
  'douyin-speaking-daily-p1-smoke.js',
  'douyin-viral-script-analyzer.js',
  'douyin-video-transcriber.js'
];

const REQUIRED_FILES = [
  'openclaw-skills/douyin-speaking-daily/README.md',
  'openclaw-skills/douyin-speaking-daily/douyin-speaking-daily-playbook.md',
  'openclaw-skills/douyin-speaking-daily/openclaw-startup.md',
  'openclaw-skills/douyin-speaking-daily/skill-package-manifest.json',
  'openclaw-skills/douyin-speaking-daily/docs/specs/douyin-speaking-daily-p1-optimization-spec.md',
  'openclaw-skills/douyin-speaking-daily/memory-templates/douyin-speaking-profile.json',
  'scripts/tools/douyin-speaking-profile-memory.js',
  'scripts/tools/douyin-speaking-daily-runner.js',
  'scripts/tools/douyin-speaking-daily-report.js',
  'scripts/tools/douyin-speaking-daily-p1-smoke.js',
  'scripts/tools/douyin-viral-script-analyzer.js',
  'scripts/tools/douyin-video-transcriber.js'
];

const SKILL_SOURCE_ROOTS = [
  'voc',
  'social-media',
  'douyin',
  'xiaohongshu',
  'review-analysis',
  'competitor-analysis',
  'synthesis',
  'social-voc',
  'workshop'
].map(item => path.join(OPENCLAW_SKILLS_ROOT, item));

function parseArgs(argv) {
  const opts = {
    validate: false,
    build: false,
    deploy: false,
    upload: false,
    dryRun: false,
    openclawDir: path.join(os.homedir(), '.openclaw'),
    help: false
  };
  for (let i = 0; i < argv.length; i++) {
    const token = argv[i];
    if (token === '--validate') opts.validate = true;
    else if (token === '--build') opts.build = true;
    else if (token === '--deploy') opts.deploy = true;
    else if (token === '--all') {
      opts.validate = true;
      opts.build = true;
      opts.deploy = true;
    } else if (token === '--upload') opts.upload = true;
    else if (token === '--dry-run') opts.dryRun = true;
    else if (token === '--openclaw-dir') opts.openclawDir = path.resolve(argv[++i] || opts.openclawDir);
    else if (token === '--help' || token === '-h') opts.help = true;
  }
  if (!opts.validate && !opts.build && !opts.deploy && !opts.help) {
    opts.validate = true;
    opts.build = true;
  }
  return opts;
}

function usage() {
  return [
    'Usage:',
    '  node scripts/deploy/douyin-speaking-daily-suite.js',
    '  node scripts/deploy/douyin-speaking-daily-suite.js --validate',
    '  node scripts/deploy/douyin-speaking-daily-suite.js --build',
    '  node scripts/deploy/douyin-speaking-daily-suite.js --build --upload',
    '  node scripts/deploy/douyin-speaking-daily-suite.js --deploy --dry-run',
    '  node scripts/deploy/douyin-speaking-daily-suite.js --all',
    '',
    'Default mode is --validate --build without CDN upload.',
    '',
    'Options:',
    '  --upload                 Upload zip to CDN through package-and-upload.js.',
    '  --deploy                 Install suite files into ~/.openclaw.',
    '  --openclaw-dir <path>    Override OpenClaw root for deploy.',
    '  --dry-run                Preview deploy writes.',
    '  --help, -h               Show help.'
  ].join('\n');
}

function ensureDir(dir) {
  fs.mkdirSync(dir, { recursive: true });
}

function readJson(filePath) {
  return JSON.parse(fs.readFileSync(filePath, 'utf8'));
}

function findSkillDir(skillName) {
  for (const root of SKILL_SOURCE_ROOTS) {
    const candidate = path.join(root, skillName);
    if (fs.existsSync(path.join(candidate, 'SKILL.md'))) return candidate;
  }
  return '';
}

function copyDirRecursive(srcDir, destDir, opts) {
  let count = 0;
  if (!opts.dryRun) ensureDir(destDir);
  for (const entry of fs.readdirSync(srcDir, { withFileTypes: true })) {
    const src = path.join(srcDir, entry.name);
    const dest = path.join(destDir, entry.name);
    if (entry.isDirectory()) {
      count += copyDirRecursive(src, dest, opts);
    } else if (entry.isFile()) {
      if (opts.dryRun) {
        console.log(`  [DRY] ${src} -> ${dest}`);
      } else {
        ensureDir(path.dirname(dest));
        fs.copyFileSync(src, dest);
      }
      count++;
    }
  }
  return count;
}

function removeDirInside(targetDir, parentDir, opts) {
  const target = path.resolve(targetDir);
  const parent = path.resolve(parentDir);
  if (!target.startsWith(parent + path.sep)) {
    throw new Error(`Refusing to remove path outside target root: ${target}`);
  }
  if (opts.dryRun) {
    console.log(`  [DRY] remove ${target}`);
    return;
  }
  fs.rmSync(target, { recursive: true, force: true });
}

function runNodeCheck(filePath) {
  const source = fs.readFileSync(filePath, 'utf8').replace(/^#!.*\r?\n/, '');
  try {
    // Syntax-only check without spawning a nested Node process. This keeps the
    // suite validator usable inside restricted runners that block child Node.
    new Function('require', 'module', 'exports', '__filename', '__dirname', source);
  } catch (error) {
    throw new Error(`syntax check failed for ${filePath}: ${error.message}`);
  }
}

function validateSuite() {
  console.log('[validate] douyin-speaking-daily suite');
  const missing = [];
  for (const rel of REQUIRED_FILES) {
    const file = path.join(PROJECT_ROOT, rel);
    if (!fs.existsSync(file)) missing.push(rel);
  }
  for (const skill of SKILLS) {
    const dir = findSkillDir(skill);
    if (!dir) {
      missing.push(`skill:${skill}`);
      continue;
    }
    const apiConfig = path.join(dir, 'api-config.json');
    if (fs.existsSync(apiConfig)) readJson(apiConfig);
  }
  for (const file of [
    'scripts/tools/douyin-speaking-profile-memory.js',
    'scripts/tools/douyin-speaking-daily-runner.js',
    'scripts/tools/douyin-speaking-daily-report.js',
    'scripts/tools/douyin-speaking-daily-p1-smoke.js',
    'scripts/tools/douyin-viral-script-analyzer.js',
    'scripts/tools/douyin-video-transcriber.js'
  ]) {
    runNodeCheck(path.join(PROJECT_ROOT, file));
  }
  readJson(SUITE_MANIFEST);
  if (missing.length) {
    throw new Error(`Missing suite files:\n${missing.map(item => `  - ${item}`).join('\n')}`);
  }
  console.log(`  ok: ${SKILLS.length} skills, ${TOOL_FILES.length} tools, workspace bundle present`);
}

function buildSuite(opts) {
  console.log('[build] dist/douyin-speaking-daily.zip');
  ensureDir(DIST_DIR);
  const args = [
    path.join('scripts', 'deploy', 'package-and-upload.js'),
    '--only', 'douyin-speaking-daily',
    '--skip-workshop',
    '--skip-all'
  ];
  if (!opts.upload) args.push('--skip-upload');
  const child = spawnSync(NODE_CMD, args, {
    cwd: PROJECT_ROOT,
    encoding: 'utf8',
    maxBuffer: 1024 * 1024 * 100
  });
  if (child.stdout) process.stdout.write(child.stdout);
  if (child.stderr) process.stderr.write(child.stderr);
  if (child.status !== 0) {
    const details = child.error ? ` (${child.error.code || child.error.name}: ${child.error.message})` : '';
    throw new Error(`package-and-upload failed with exit ${child.status}${details}`);
  }
  if (!fs.existsSync(PACKAGE_ZIP)) {
    throw new Error(`Expected package was not generated: ${PACKAGE_ZIP}`);
  }
  writeDistManifest({ upload: opts.upload });
}

function deploySuite(opts) {
  const openclawDir = path.resolve(opts.openclawDir);
  const skillsTarget = path.join(openclawDir, 'skills');
  const toolsTarget = path.join(openclawDir, 'tools');
  const workspaceTarget = path.join(openclawDir, 'workspace');
  const workspaceToolsTarget = path.join(workspaceTarget, 'scripts', 'tools');
  console.log(`[deploy] ${openclawDir}${opts.dryRun ? ' (dry run)' : ''}`);

  if (!opts.dryRun && !fs.existsSync(openclawDir)) {
    throw new Error(`OpenClaw directory not found: ${openclawDir}`);
  }

  for (const skill of SKILLS) {
    const srcDir = findSkillDir(skill);
    if (!srcDir) throw new Error(`Cannot deploy missing skill: ${skill}`);
    const destDir = path.join(skillsTarget, skill);
    removeDirInside(destDir, skillsTarget, opts);
    copyDirRecursive(srcDir, destDir, opts);
    console.log(`  [skill] ${skill}`);
  }

  for (const tool of TOOL_FILES) {
    const src = path.join(PROJECT_ROOT, 'scripts', 'tools', tool);
    if (!fs.existsSync(src)) throw new Error(`Missing tool: ${src}`);
    for (const targetRoot of [toolsTarget, workspaceToolsTarget]) {
      const dest = path.join(targetRoot, tool);
      if (opts.dryRun) {
        console.log(`  [DRY] ${src} -> ${dest}`);
      } else {
        ensureDir(path.dirname(dest));
        fs.copyFileSync(src, dest);
      }
    }
    console.log(`  [tool] ${tool}`);
  }

  const bundleDest = path.join(workspaceTarget, 'douyin-speaking-daily');
  removeDirInside(bundleDest, workspaceTarget, opts);
  copyDirRecursive(SUITE_DIR, bundleDest, opts);
  console.log('  [workspace] douyin-speaking-daily');
}

function writeDistManifest(extra = {}) {
  const packageMeta = readJson(SUITE_MANIFEST);
  const zipStat = fs.existsSync(PACKAGE_ZIP) ? fs.statSync(PACKAGE_ZIP) : undefined;
  const manifest = {
    name: 'douyin-speaking-daily',
    version: packageMeta.version,
    generatedAt: new Date().toISOString(),
    packageZip: fs.existsSync(PACKAGE_ZIP) ? path.relative(PROJECT_ROOT, PACKAGE_ZIP).replace(/\\/g, '/') : '',
    packageZipBytes: zipStat ? zipStat.size : 0,
    skills: SKILLS,
    tools: TOOL_FILES,
    workspaceBundle: 'douyin-speaking-daily',
    installCommand: 'node install.js',
    localDeployCommand: 'node scripts/deploy/douyin-speaking-daily-suite.js --deploy',
    uploadCommand: 'node scripts/deploy/douyin-speaking-daily-suite.js --build --upload',
    ...extra
  };
  fs.writeFileSync(DIST_MANIFEST, `${JSON.stringify(manifest, null, 2)}\n`, 'utf8');
  console.log(`[manifest] ${path.relative(PROJECT_ROOT, DIST_MANIFEST)}`);
}

function main() {
  const opts = parseArgs(process.argv.slice(2));
  if (opts.help) {
    console.log(usage());
    return;
  }
  try {
    if (opts.validate) validateSuite();
    if (opts.build) buildSuite(opts);
    if (opts.deploy) deploySuite(opts);
    if (!opts.build) writeDistManifest({ upload: opts.upload });
    console.log('[done] douyin-speaking-daily suite is ready');
  } catch (error) {
    console.error(`[error] ${error.message}`);
    process.exit(1);
  }
}

main();