/**
 * 上传小程序冷启动静态资源到 OSS（固定 key，不进小程序主包）：
 *   static/mini-user/jiuzu-dragon.gif
 *   static/mini-user/jiuzu-dragon-mark.png
 *
 * 用法（在 server/dukang-api）：
 *   node scripts/upload-mini-user-static.mjs
 * 使用 server/dukang-api/.env 中的 OSS 凭证。
 */
import { readFileSync, existsSync } from 'fs';
import { resolve, dirname, extname } from 'path';
import { fileURLToPath } from 'url';
import { createRequire } from 'module';

const __dirname = dirname(fileURLToPath(import.meta.url));
const apiRoot = resolve(__dirname, '..');
const repoRoot = resolve(apiRoot, '../..');
const require = createRequire(resolve(apiRoot, 'package.json'));
const OSS = require('ali-oss');

function loadEnvFile(path) {
  if (!existsSync(path)) return {};
  const out = {};
  for (const line of readFileSync(path, 'utf8').split(/\r?\n/)) {
    const m = line.match(/^([A-Z0-9_]+)=(.*)$/);
    if (!m) continue;
    let v = m[2];
    if (
      (v.startsWith('"') && v.endsWith('"')) ||
      (v.startsWith("'") && v.endsWith("'"))
    ) {
      v = v.slice(1, -1);
    }
    out[m[1]] = v;
  }
  return out;
}

const env = {
  ...loadEnvFile(resolve(apiRoot, '.env.production')),
  ...loadEnvFile(resolve(apiRoot, '.env.development')),
  ...loadEnvFile(resolve(apiRoot, '.env')),
};

const accessKeyId = process.env.OSS_ACCESS_KEY_ID || env.OSS_ACCESS_KEY_ID || '';
const accessKeySecret = process.env.OSS_ACCESS_KEY_SECRET || env.OSS_ACCESS_KEY_SECRET || '';
const bucket = process.env.OSS_BUCKET || env.OSS_BUCKET || '';
const region = process.env.OSS_REGION || env.OSS_REGION || 'oss-cn-beijing';
const cdnBase = (process.env.OSS_CDN_BASE || env.OSS_CDN_BASE || '').replace(/\/$/, '');

if (!accessKeyId || !accessKeySecret || !bucket) {
  console.error('缺少 OSS_ACCESS_KEY_ID / OSS_ACCESS_KEY_SECRET / OSS_BUCKET');
  process.exit(1);
}

const mimeByExt = {
  '.gif': 'image/gif',
  '.png': 'image/png',
  '.jpg': 'image/jpeg',
  '.jpeg': 'image/jpeg',
  '.webp': 'image/webp',
};

const files = [
  {
    local:
      process.env.JIUZU_SPLASH_GIF_LOCAL ||
      env.JIUZU_SPLASH_GIF_LOCAL ||
      resolve(repoRoot, 'apps/mini-user/src/assets/jiuzu-dragon.gif'),
    ossKey: 'static/mini-user/jiuzu-dragon.gif',
  },
  {
    local:
      process.env.JIUZU_SPLASH_MARK_LOCAL ||
      env.JIUZU_SPLASH_MARK_LOCAL ||
      resolve(repoRoot, 'apps/mini-user/src/assets/jiuzu-dragon-mark.png'),
    ossKey: 'static/mini-user/jiuzu-dragon-mark.png',
  },
];

const client = new OSS({
  region,
  accessKeyId,
  accessKeySecret,
  bucket,
});

for (const file of files) {
  if (!existsSync(file.local)) {
    console.error('本地文件不存在:', file.local);
    process.exit(1);
  }
  const ext = extname(file.local).toLowerCase();
  const mime = mimeByExt[ext];
  if (!mime) {
    console.error('不支持的文件类型:', file.local);
    process.exit(1);
  }
  const buffer = readFileSync(file.local);
  await client.put(file.ossKey, buffer, {
    mime,
    headers: {
      'Content-Disposition': 'inline',
      'Cache-Control': 'public, max-age=31536000',
    },
  });
  const url = cdnBase
    ? `${cdnBase}/${file.ossKey}`
    : `https://${bucket}.${region}.aliyuncs.com/${file.ossKey}`;
  console.log('uploaded:', file.ossKey);
  console.log('url:', url);
}