function id(value) { return value == null ? '' : String(value) }

function validRelease(row) {
  return row && typeof row === 'object'
    && ['domestic', 'overseas'].includes(row.app)
    && ['apk', 'wgt'].includes(row.packageType)
    && typeof row.versionName === 'string' && row.versionName.length > 0
    && Number.isSafeInteger(Number(row.versionCode))
    && ['DRAFT', 'PUBLISHED', 'WITHDRAWN'].includes(row.status)
    && typeof row.current === 'boolean'
    && /^[a-f0-9]{64}$/i.test(String(row.sha256 || ''))
    && Number.isSafeInteger(Number(row.sizeBytes)) && Number(row.sizeBytes) > 0
}

export async function run(context) {
  const module = 'pda-releases'
  const base = '/api/platform/v1/files/pda-releases'

  for (const app of ['domestic', 'overseas']) {
    const response = await context.request('GET', `${base}/${app}`)
    const releases = context.apiSuccess(module, `查询 ${app} PDA 发布列表`, response)
    context.assert(module, `${app} 发布列表结构与版本字段完整`, response,
      Array.isArray(releases) && releases.every(validRelease),
      `count=${Array.isArray(releases) ? releases.length : 'not-array'}`)
    const currentCount = Array.isArray(releases) ? releases.filter((row) => row.current === true).length : -1
    context.assert(module, `${app} 当前生效版本不超过一个发布类型`, response,
      currentCount <= 2, `current=${currentCount}`)
  }

  const emptyUpload = await context.requestMultipart('POST', `${base}/domestic`, new FormData())
  context.assert(module, '无安装包的上传被拒绝', emptyUpload,
    emptyUpload.http >= 400 || String(emptyUpload.body?.code) !== '200',
    `HTTP=${emptyUpload.http},code=${emptyUpload.body?.code ?? 'missing'}`)

  const missingId = '999999999999999'
  for (const action of ['publish', 'withdraw']) {
    const response = await context.request('POST', `${base}/${missingId}/${action}`, {})
    context.assert(module, `不存在版本 ${action} 被拒绝`, response,
      response.http === 200 && ['A0403', 'A0404', 'A0409'].includes(String(response.body?.code)),
      `HTTP=${response.http},code=${response.body?.code ?? 'missing'}`)
  }

  context.addCoverageGap(module, 'pda-releases', '真实 APK/WGT 上传、发布、停发与下载',
    '脚本不上传真实安装包；需人工准备有效 domestic/overseas APK 或 WGT 后定向执行，避免伪造签名与版本号',
    'not-implemented', { blocking: false })
}