/**
 * باندل تک‌فایل + نصب Prisma لوکال داخل release/
 * خروجی کامل برای Docker کپی‌only: app.js + prisma + node_modules
 *
 * مهم: schema-engine لینوکس هم باید لوکال دانلود شود؛ وگرنه migrate داخل
 * سرور ایران برای دانلود از binaries.prisma.sh تایم‌اوت می‌خورد.
 */
const esbuild = require('esbuild');
const { existsSync, mkdirSync, cpSync, writeFileSync, rmSync, readdirSync } = require('fs');
const path = require('path');
const { execSync } = require('child_process');

const root = path.join(__dirname, '..');
const releaseDir = path.join(root, 'release');
const config = require(path.join(root, 'esbuild.release.config.cjs'));
const LINUX_TARGET = 'debian-openssl-3.0.x';

async function downloadLinuxEngines() {
  const fetchEnginePath = path.join(releaseDir, 'node_modules', '@prisma', 'fetch-engine');
  const enginesVersionPath = path.join(releaseDir, 'node_modules', '@prisma', 'engines-version');
  const enginesDir = path.join(releaseDir, 'node_modules', '@prisma', 'engines');

  // eslint-disable-next-line import/no-dynamic-require, global-require
  const { download } = require(fetchEnginePath);
  // eslint-disable-next-line import/no-dynamic-require, global-require
  const { enginesVersion } = require(enginesVersionPath);
  const version = enginesVersion;


  console.log('در حال دانلود Prisma engines برای', LINUX_TARGET, 'commit=', version);

  await download({
    binaries: {
      'schema-engine': enginesDir,
      'libquery-engine': enginesDir,
    },
    binaryTargets: [LINUX_TARGET],
    version,
  });

  const files = readdirSync(enginesDir);
  const schemaEngine = files.find((f) => f.startsWith('schema-engine') && f.includes('debian'));
  const queryEngine = files.find((f) => f.includes('debian') && f.includes('query'));

  console.log('engines dir:', files.filter((f) => f.includes('engine') || f.includes('debian')).join(', '));

  if (!schemaEngine) {
    throw new Error(
      `schema-engine برای ${LINUX_TARGET} دانلود نشد. بدون آن migrate داخل Docker تایم‌اوت می‌شود.`,
    );
  }

  console.log('OK schema-engine:', schemaEngine, queryEngine || '(query via generate)');
}

async function main() {
  const entry = path.join(root, config.entryPoints[0]);
  if (!existsSync(entry)) {
    console.error('dist/src/main.js یافت نشد. ابتدا اجرا کنید: pnpm run build');
    process.exit(1);
  }

  mkdirSync(releaseDir, { recursive: true });

  const outfile = path.join(root, config.outfile);
  await esbuild.build({
    ...config,
    entryPoints: [entry],
    outfile,
  });
  console.log('نوشت:', outfile);

  const prismaDest = path.join(releaseDir, 'prisma');
  if (existsSync(prismaDest)) {
    rmSync(prismaDest, { recursive: true, force: true });
  }
  cpSync(path.join(root, 'prisma'), prismaDest, { recursive: true });

  cpSync(path.join(root, 'docker-entrypoint.sh'), path.join(releaseDir, 'docker-entrypoint.sh'));

  const releasePkg = {
    name: 'lucky-wheel-api-release',
    private: true,
    version: '1.0.0',
    dependencies: {
      '@prisma/client': '5.22.0',
      prisma: '5.22.0',
    },
  };
  writeFileSync(path.join(releaseDir, 'package.json'), `${JSON.stringify(releasePkg, null, 2)}\n`);

  console.log('در حال npm install داخل release (لوکال)...');
  execSync('npm install --omit=dev', {
    cwd: releaseDir,
    stdio: 'inherit',
    env: {
      ...process.env,
      PRISMA_SKIP_POSTINSTALL_GENERATE: '1',
      PRISMA_CLI_BINARY_TARGETS: LINUX_TARGET,
    },
  });

  console.log('در حال prisma generate (query engine لینوکس)...');
  execSync('npx prisma generate --schema=./prisma/schema.prisma', {
    cwd: releaseDir,
    stdio: 'inherit',
    env: {
      ...process.env,
      PRISMA_CLI_BINARY_TARGETS: LINUX_TARGET,
    },
  });

  await downloadLinuxEngines();

  console.log('آماده‌ی کپی‌only:', releaseDir);
}

main().catch((err) => {
  console.error(err);
  process.exit(1);
});