#!/usr/bin/env node

/**
 * 版本号同步脚本
 *
 * 功能：从 package.json 读取版本号，自动同步到：
 * 1. manifest.json（Chrome 扩展要求）
 * 2. src/shared/version.ts（运行时常量）
 *
 * 触发时机：
 * - pnpm run build 之前（prebuild hook）
 * - pnpm run dev 之前（predev hook）
 *
 * 使用方式：
 * - 自动：通过 pnpm scripts 自动触发
 * - 手动：pnpm run sync:version
 */

import fs from 'fs';
import path from 'path';
import { fileURLToPath } from 'url';

// ESM 环境下获取 __dirname
const __filename = fileURLToPath(import.meta.url);
const __dirname = path.dirname(__filename);

// 项目根目录
const ROOT_DIR = path.resolve(__dirname, '..');

/**
 * 读取 JSON 文件
 */
function readJSON(filePath) {
  const fullPath = path.resolve(ROOT_DIR, filePath);
  const content = fs.readFileSync(fullPath, 'utf-8');
  return JSON.parse(content);
}

/**
 * 写入 JSON 文件（格式化）
 */
function writeJSON(filePath, data) {
  const fullPath = path.resolve(ROOT_DIR, filePath);
  const content = JSON.stringify(data, null, 2) + '\n';
  fs.writeFileSync(fullPath, content, 'utf-8');
}

/**
 * 写入文本文件
 */
function writeText(filePath, content) {
  const fullPath = path.resolve(ROOT_DIR, filePath);
  // 确保目录存在
  const dir = path.dirname(fullPath);
  if (!fs.existsSync(dir)) {
    fs.mkdirSync(dir, { recursive: true });
  }
  fs.writeFileSync(fullPath, content, 'utf-8');
}

/**
 * 主执行逻辑
 */
function syncVersion() {
  console.log('🔄 Starting version synchronization...\n');

  // 1. 读取 package.json 中的版本号
  const packageJson = readJSON('package.json');
  const version = packageJson.version;

  if (!version) {
    console.error('❌ Error: No version found in package.json');
    process.exit(1);
  }

  console.log(`📦 Source version from package.json: ${version}`);

  // 2. 同步到 manifest.json
  try {
    const manifest = readJSON('manifest.json');
    const oldManifestVersion = manifest.version;

    manifest.version = version;
    writeJSON('manifest.json', manifest);

    if (oldManifestVersion !== version) {
      console.log(`✅ manifest.json: ${oldManifestVersion} → ${version}`);
    } else {
      console.log(`✓  manifest.json: ${version} (unchanged)`);
    }
  } catch (error) {
    console.error('❌ Error syncing manifest.json:', error.message);
    process.exit(1);
  }

  // 3. 生成 src/shared/version.ts
  try {
    const versionTsContent = `/**
 * Application Version Constants
 *
 * ⚠️ AUTO-GENERATED FILE - DO NOT EDIT MANUALLY
 *
 * This file is automatically generated by scripts/sync-version.js
 * Source of truth: package.json "version" field
 *
 * To update version:
 * 1. Edit version in package.json
 * 2. Run: pnpm run sync:version (or automatically via prebuild/predev)
 *
 * Generated at: ${new Date().toISOString()}
 */

/**
 * Application version number (e.g., "0.1.0")
 */
export const APP_VERSION = '${version}' as const;

/**
 * Application version with 'v' prefix (e.g., "v0.1.0")
 * Commonly used for display purposes
 */
export const APP_VERSION_WITH_PREFIX = 'v${version}' as const;

/**
 * Parse version into components
 */
export const VERSION_PARTS = {
  major: ${version.split('.')[0] || 0},
  minor: ${version.split('.')[1] || 0},
  patch: ${version.split('.')[2] || 0},
} as const;
`;

    writeText('src/shared/version.ts', versionTsContent);
    console.log(`✅ src/shared/version.ts: Generated with version ${version}`);
  } catch (error) {
    console.error('❌ Error generating version.ts:', error.message);
    process.exit(1);
  }

  console.log('\n✨ Version synchronization completed successfully!\n');
}

// 执行同步
try {
  syncVersion();
} catch (error) {
  console.error('\n❌ Fatal error:', error.message);
  process.exit(1);
}