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

const projectRoot = path.resolve(__dirname, '..')
const h5Root = path.resolve(projectRoot, process.argv[2] || path.join('dist', 'build', 'h5'))
const mpRoot = path.resolve(projectRoot, process.argv[3] || path.join('dist', 'build', 'mp-weixin'))

const readText = (filePath) => fs.readFileSync(filePath, 'utf8')

const assertContains = (source, value, label) => {
  if (!source.includes(value)) {
    throw new Error(`${label} 缺少：${value}`)
  }
}

const assertNotContains = (source, value, label) => {
  if (source.includes(value)) {
    throw new Error(`${label} 不应包含：${value}`)
  }
}

const collectJavaScriptFiles = (root) => fs.readdirSync(root, { withFileTypes: true })
  .flatMap((entry) => {
    const entryPath = path.join(root, entry.name)
    if (entry.isDirectory()) return collectJavaScriptFiles(entryPath)
    return entry.isFile() && entry.name.endsWith('.js') ? [entryPath] : []
  })

const htmlPath = path.join(h5Root, 'index.html')
const html = readText(htmlPath)
const entryMatch = html.match(/<script[^>]+src="([^"]+\.js)"/)
if (!entryMatch) throw new Error('H5 index.html 未找到入口 JS')

const entryPath = path.join(h5Root, entryMatch[1].replace(/^\//, ''))
const entryCode = readText(entryPath)
const pageChunkMatch = entryCode.match(/pages-index-index\.[A-Za-z0-9_-]+\.js/)
if (!pageChunkMatch) throw new Error('H5 入口 JS 未找到首页页面 chunk')

const pageChunkPath = path.join(path.dirname(entryPath), pageChunkMatch[0])
const pageChunkCode = readText(pageChunkPath)
const h5JavaScriptFiles = collectJavaScriptFiles(h5Root)
const h5JavaScriptCode = h5JavaScriptFiles
  .map((filePath) => readText(filePath))
  .join('\n')

for (const required of ['第三方导航', 'third-party-providers']) {
  assertContains(pageChunkCode, required, 'H5 首页 chunk')
}

for (const forbidden of [
  '打开地图导航',
  'native-location',
  'jweixin',
  'wx.miniProgram',
  '宿主地图',
  '/pages/open-location/index'
]) {
  assertNotContains(h5JavaScriptCode, forbidden, 'H5 全量 JS')
}

if (h5JavaScriptFiles.some((filePath) => path.basename(filePath).includes('pages-open-location-index'))) {
  throw new Error('H5 构建不应生成 open-location 页面 chunk')
}

const mpArrivalPanelPath = path.join(
  mpRoot,
  'components',
  'navigation',
  'ArrivalPanel.js'
)
const mpArrivalPanelCode = readText(mpArrivalPanelPath)
const mpArrivalPanelTemplatePath = path.join(
  mpRoot,
  'components',
  'navigation',
  'ArrivalPanel.wxml'
)
const mpArrivalPanelTemplate = readText(mpArrivalPanelTemplatePath)
assertContains(mpArrivalPanelCode, '打开地图导航', 'mp-weixin 来馆组件')
assertContains(
  mpArrivalPanelCode,
  '../../services/WechatOpenLocationService.js',
  'mp-weixin 来馆组件'
)
assertNotContains(mpArrivalPanelCode, 'third-party-providers', 'mp-weixin 来馆组件')
assertNotContains(mpArrivalPanelTemplate, 'provider-sheet', 'mp-weixin 来馆模板')
assertNotContains(mpArrivalPanelTemplate, '第三方导航', 'mp-weixin 来馆模板')

const mpAppConfigPath = path.join(mpRoot, 'app.json')
const mpAppConfig = JSON.parse(readText(mpAppConfigPath))
if (!mpAppConfig.pages?.includes('pages/open-location/index')) {
  throw new Error('mp-weixin app.json 未注册 open-location 页面')
}

console.log(JSON.stringify({
  h5: {
    html: path.relative(projectRoot, htmlPath),
    entry: path.relative(projectRoot, entryPath),
    pageChunk: path.relative(projectRoot, pageChunkPath),
    navigationMode: 'third-party-providers'
  },
  mpWeixin: {
    component: path.relative(projectRoot, mpArrivalPanelPath),
    template: path.relative(projectRoot, mpArrivalPanelTemplatePath),
    navigationMode: 'native-location'
  }
}, null, 2))