#!/usr/bin/env node
/**
 * 跨平台版本号更新脚本
 * Cross-platform version bump script
 *
 * 用法 / Usage:
 *   node scripts/bump-version.mjs <version>
 *   node scripts/bump-version.mjs 1.0.0
 *   node scripts/bump-version.mjs patch       # 0.0.6 -> 0.0.7
 *   node scripts/bump-version.mjs minor       # 0.0.6 -> 0.1.0
 *   node scripts/bump-version.mjs major       # 0.0.6 -> 1.0.0
 *   node scripts/bump-version.mjs patch --dry-run  # 只输出计算后的版本号
 */

import { readFileSync, writeFileSync } from 'fs'
import { resolve, dirname } from 'path'
import { fileURLToPath } from 'url'

const __dirname = dirname(fileURLToPath(import.meta.url))
const rootDir = resolve(__dirname, '..')

// 需要更新版本号的文件
const FILES = {
  packageJson: resolve(rootDir, 'package.json'),
  tauriConf: resolve(rootDir, 'src-tauri/tauri.conf.json'),
  cargoToml: resolve(rootDir, 'src-tauri/Cargo.toml'),
}

/**
 * 解析语义化版本号
 */
function parseVersion(version) {
  const match = version.match(/^(\d+)\.(\d+)\.(\d+)$/)
  if (!match) {
    throw new Error(`无效的版本号格式: ${version}`)
  }
  return {
    major: parseInt(match[1], 10),
    minor: parseInt(match[2], 10),
    patch: parseInt(match[3], 10),
  }
}

/**
 * 获取当前版本号
 */
function getCurrentVersion() {
  const packageJson = JSON.parse(readFileSync(FILES.packageJson, 'utf-8'))
  return packageJson.version
}

/**
 * 计算新版本号
 */
function getNewVersion(input) {
  const currentVersion = getCurrentVersion()
  const current = parseVersion(currentVersion)

  switch (input) {
    case 'major':
      return `${current.major + 1}.0.0`
    case 'minor':
      return `${current.major}.${current.minor + 1}.0`
    case 'patch':
      return `${current.major}.${current.minor}.${current.patch + 1}`
    default:
      // 验证输入是否为有效版本号
      parseVersion(input)
      return input
  }
}

/**
 * 更新 package.json
 */
function updatePackageJson(version) {
  const content = JSON.parse(readFileSync(FILES.packageJson, 'utf-8'))
  content.version = version
  writeFileSync(FILES.packageJson, JSON.stringify(content, null, 2) + '\n', 'utf-8')
  console.log(`✓ 已更新 package.json -> ${version}`)
}

/**
 * 更新 tauri.conf.json
 */
function updateTauriConf(version) {
  const content = JSON.parse(readFileSync(FILES.tauriConf, 'utf-8'))
  content.version = version
  writeFileSync(FILES.tauriConf, JSON.stringify(content, null, 2) + '\n', 'utf-8')
  console.log(`✓ 已更新 src-tauri/tauri.conf.json -> ${version}`)
}

/**
 * 更新 Cargo.toml
 */
function updateCargoToml(version) {
  let content = readFileSync(FILES.cargoToml, 'utf-8')
  // 匹配 [package] 部分下的 version 字段
  content = content.replace(
    /^(version\s*=\s*")[\d.]+(")/m,
    `$1${version}$2`
  )
  writeFileSync(FILES.cargoToml, content, 'utf-8')
  console.log(`✓ 已更新 src-tauri/Cargo.toml -> ${version}`)
}

/**
 * 主函数
 */
function main() {
  const args = process.argv.slice(2)
  const dryRun = args.includes('--dry-run')
  const versionArgs = args.filter((arg) => !arg.startsWith('--'))

  if (versionArgs.length === 0) {
    const currentVersion = getCurrentVersion()
    console.log(`当前版本: ${currentVersion}`)
    console.log('')
    console.log('用法:')
    console.log('  node scripts/bump-version.mjs <version>')
    console.log('  node scripts/bump-version.mjs 1.0.0          # 设置指定版本')
    console.log('  node scripts/bump-version.mjs patch          # 补丁版本 +1')
    console.log('  node scripts/bump-version.mjs minor          # 次版本 +1')
    console.log('  node scripts/bump-version.mjs major          # 主版本 +1')
    console.log('  node scripts/bump-version.mjs patch --dry-run  # 只输出计算后的版本号')
    process.exit(0)
  }

  const input = versionArgs[0]
  const currentVersion = getCurrentVersion()
  const newVersion = getNewVersion(input)

  // --dry-run 模式：只输出计算后的版本号（供其他脚本调用）
  if (dryRun) {
    console.log(newVersion)
    process.exit(0)
  }

  console.log(`版本更新: ${currentVersion} -> ${newVersion}`)
  console.log('')

  try {
    updatePackageJson(newVersion)
    updateTauriConf(newVersion)
    updateCargoToml(newVersion)
    console.log('')
    console.log(`✓ 所有文件已更新到版本 ${newVersion}`)
  } catch (error) {
    console.error(`✗ 更新失败: ${error.message}`)
    process.exit(1)
  }
}

main()