const fs = require('fs')
const path = require('path')

const env = process.argv[2] || 'uat'
const srcDir = path.join(__dirname, '..', 'dist')
// 项目根目录下的 electron-update/{env}，用于 docker volume 挂载给 nginx
const localUpdateDir = path.join(__dirname, '..', '..', 'electron-update', env)
// NAS 共享路径
const nasDir = path.join('\\\\JIULUGNAS\\personal_folder\\CodeSpace\\GameGroup2\\electron-update', env)

function ensureDir(dir) {
  try {
    if (!fs.existsSync(dir)) {
      fs.mkdirSync(dir, { recursive: true })
    }
    return true
  } catch (err) {
    console.error(`[copy-to-nas] failed to create dir ${dir}:`, err.message)
    return false
  }
}

function copyFilesTo(destDir, label) {
  if (!fs.existsSync(srcDir)) {
    console.log(`[copy-to-nas] dist not found, skipping ${label}`)
    return
  }

  const files = fs.readdirSync(srcDir).filter((f) => {
    const ext = path.extname(f).toLowerCase()
    return (
      ext === '.exe' ||
      ext === '.yml' ||
      ext === '.blockmap' ||
      ext === '.nupkg' ||
      ext === '.yaml'
    )
  })

  if (files.length === 0) {
    console.log(`[copy-to-nas] no update files found in dist, skipping ${label}`)
    return
  }

  if (!ensureDir(destDir)) return

  for (const file of files) {
    const src = path.join(srcDir, file)
    const dest = path.join(destDir, file)
    try {
      fs.copyFileSync(src, dest)
      console.log(`[copy-to-nas] copied ${file} -> ${destDir}`)
    } catch (err) {
      console.error(`[copy-to-nas] failed to copy ${file} to ${label}:`, err.message)
    }
  }
}

// 复制到本地目录（供 docker volume 挂载）
copyFilesTo(localUpdateDir, 'local')

// 复制到 NAS
copyFilesTo(nasDir, 'NAS')