import test from 'node:test'
import assert from 'node:assert/strict'
import { readFileSync } from 'node:fs'
import ts from 'typescript'
import * as vue from 'vue'
import { compileScript, parse } from '@vue/compiler-sfc'

function evaluate(source, imports) {
  const compiled = ts.transpileModule(source, {
    compilerOptions: { target: ts.ScriptTarget.ES2022, module: ts.ModuleKind.CommonJS }
  }).outputText
  const module = { exports: {} }
  new Function('require', 'module', 'exports', compiled)(
    (name) => {
      assert.ok(imports[name], `Unexpected runtime dependency: ${name}`)
      return imports[name]
    },
    module,
    module.exports
  )
  return module.exports
}

const basePath = 'src/views/asset-management/asset-information'
const { descriptor } = parse(readFileSync(`${basePath}/components/BasicInfoCard.vue`, 'utf8'))
const componentSource = compileScript(descriptor, {
  id: 'binding-card-test',
  inlineTemplate: true
}).content
const formatters = evaluate(readFileSync(`${basePath}/composables/useAssetFormatters.ts`, 'utf8'), {
  '@/config/constants/carrierTypes': {
    getCarrierTypeLabel: (code) => ({ CTCC: '中国电信', CMCC: '中国移动' })[code] || code
  }
})

function createHostNode(tag, text = '') {
  return {
    tag,
    text,
    props: {},
    children: [],
    parentNode: null,
    removeChild(child) {
      const index = this.children.indexOf(child)
      assert.notEqual(index, -1)
      this.children.splice(index, 1)
      child.parentNode = null
    }
  }
}

function mountBasicInfo(t, userType, permissions = []) {
  const user = vue.reactive({ info: { id: userType, user_type: userType }, permissions })
  const hasAuth = (permission) =>
    Number(user.info.user_type) === 1 || user.permissions.includes(permission)
  user.hasPermission = hasAuth
  user.hasButton = hasAuth
  const elements = Object.fromEntries(
    [
      'ElCard',
      'ElDescriptions',
      'ElDescriptionsItem',
      'ElTag',
      'ElTooltip',
      'ElSwitch',
      'ElDivider',
      'ElButton',
      'ElAlert',
      'ElEmpty'
    ].map((name) => [
      name,
      vue.defineComponent({
        name,
        setup:
          (_, { slots, attrs }) =>
          () =>
            vue.h(name, attrs, [slots.header?.(), slots.default?.()])
      })
    ])
  )
  const component = evaluate(componentSource, {
    vue,
    '@vueuse/core': { useWindowSize: () => ({ width: vue.ref(1200) }) },
    'element-plus': { ...elements, ElMessageBox: {}, ElMessage: {} },
    '@element-plus/icons-vue': {
      CopyDocument: vue.defineComponent(() => () => vue.h('copy-icon'))
    },
    '../composables/useAssetFormatters': formatters,
    '@/composables/useAuth': { useAuth: () => ({ hasAuth }) },
    '@/components/business/package-silence/SilenceRecordsDialog.vue': {
      default: vue.defineComponent(() => () => null)
    },
    '@/store/modules/user': { useUserStore: () => user },
    '@/config/constants': {
      JULY_PERMISSIONS: { speedTier: { view: 'speed:view', update: 'speed:update' } }
    },
    '@/utils/business/format': { formatDateTime: (value) => String(value || '') },
    '@/utils/business/packageSilence': evaluate(
      readFileSync('src/utils/business/packageSilence.ts', 'utf8')
    ),
    '@/utils/business/expiryEstimate': {
      getExpiryEstimateText: () => '-',
      getExpiryEstimateTooltip: () => '',
      getExpiryEstimateClass: () => ''
    },
    '@/config/constants/audit': { AUDIT_PERMISSIONS: {} },
    '@/config/constants/trafficRecords': {
      TRAFFIC_RECORD_PERMISSIONS: {
        assetCollections: {
          card: 'iot_info:traffic_collections',
          device: 'device_info:traffic_collections'
        }
      }
    },
    '@/utils/business/trafficRecords': { isEnterpriseAccount: (type) => type === 4 },
    '@/utils/business/auditNavigation': { resolveAuditResourceTarget: () => null },
    '@/components/business/audit/investigationController': { openAuditInvestigation: () => {} }
  }).default
  const renderer = vue.createRenderer({
    createElement: (tag) => createHostNode(tag),
    createText: (text) => createHostNode('#text', text),
    createComment: (text) => createHostNode('#comment', text),
    setText: (node, text) => {
      node.text = text
    },
    setElementText: (node, text) => {
      node.text = text
      node.children = []
    },
    parentNode: (node) => node.parentNode,
    nextSibling: (node) => {
      const siblings = node.parentNode?.children || []
      return siblings[siblings.indexOf(node) + 1] || null
    },
    patchProp: (node, key, _, value) => {
      node.props[key] = value
    },
    insert: (node, parent, anchor) => {
      node.parentNode?.removeChild(node)
      const index = anchor ? parent.children.indexOf(anchor) : parent.children.length
      assert.notEqual(index, -1, 'Vue tried to insert beside a node removed outside its renderer')
      parent.children.splice(index, 0, node)
      node.parentNode = parent
    },
    remove: (node) => node.parentNode?.removeChild(node)
  })
  const asset = vue.reactive({
    asset_type: 'device',
    asset_id: 101,
    identifier: 'DEVICE-A',
    cards: [
      {
        iccid: 'CARD-1',
        msisdn: '13800000001',
        carrier_name: '平台运营商账户',
        carrier_type: 'CTCC',
        slot_position: 1,
        is_current: true,
        network_status: 1
      },
      {
        iccid: 'CARD-2',
        msisdn: '13800000002',
        carrier_name: '第二运营商账户',
        carrier_type: 'CMCC',
        slot_position: 2,
        is_current: false,
        network_status: 0
      }
    ]
  })
  const root = createHostNode('root')
  const app = renderer.createApp({
    render: () => vue.h(component, { cardInfo: asset, deviceRealtime: null, pollingEnabled: false })
  })
  const directives = evaluate(readFileSync('src/directives/permission.ts', 'utf8'), {
    '@/store/modules/user': { useUserStore: () => user }
  })
  directives.setupPermissionDirective(app)
  app.directive('loading', {})
  app.component(
    'el-icon',
    vue.defineComponent({
      setup:
        (_, { slots }) =>
        () =>
          vue.h('icon', slots.default?.())
    })
  )
  app.mount(root)
  t.after(() => app.unmount())
  return { root, asset, user }
}

const textOf = (node) =>
  node.tag === '#comment' ? '' : node.text + node.children.map(textOf).join('')

test('enterprise account hides polling and realname writes while authorized start/stop remain', async (t) => {
  const { root, asset, user } = mountBasicInfo(t, 4)
  user.permissions = [
    'device_info:auto_polling',
    'iot_info:auto_polling',
    'iot_info:update_realname_status',
    'bound_card:update_realname_status',
    'iot_info:start',
    'iot_info:stop'
  ]
  await vue.nextTick()
  assert.doesNotMatch(textOf(root), /自动轮询|更新实名状态/)
  assert.equal(nodesWithClass(root, 'binding-card').length, 2)
  asset.asset_type = 'card'
  asset.network_status = 0
  await vue.nextTick()
  assert.match(textOf(root), /启用此卡/)
  assert.doesNotMatch(textOf(root), /自动轮询|更新实名状态/)
  asset.network_status = 1
  await vue.nextTick()
  assert.match(textOf(root), /停用此卡/)
})
const nodesWithClass = (node, className) => [
  ...(String(node.props.class || '')
    .split(' ')
    .includes(className)
    ? [node]
    : []),
  ...node.children.flatMap((child) => nodesWithClass(child, className))
]

test('all account types render both binding cards; only the established carrier label rule differs', async (t) => {
  for (const userType of [1, 2, 3, 4]) {
    const { root } = mountBasicInfo(t, userType)
    await vue.nextTick()
    const cards = nodesWithClass(root, 'binding-card')
    assert.equal(cards.length, 2)
    assert.match(textOf(cards[0]), /CARD-1/)
    assert.match(textOf(cards[1]), /CARD-2/)
    assert.match(textOf(cards[0]), /13800000001/)
    assert.match(textOf(cards[0]), userType < 3 ? /平台运营商账户/ : /中国电信/)
  }
})

test('permission changes and current-card/status updates preserve card data without external DOM removal', async (t) => {
  const { root, asset, user } = mountBasicInfo(t, 3, ['iot_info:stop'])
  await vue.nextTick()
  assert.match(textOf(nodesWithClass(root, 'binding-card-actions')[0]), /停用此卡/)
  user.permissions = ['iot_info:start', 'bound_card:update_realname_status']
  asset.cards[0].network_status = 0
  asset.cards[0].is_current = false
  asset.cards[1].is_current = true
  await vue.nextTick()
  const cards = nodesWithClass(root, 'binding-card')
  assert.equal(cards.length, 2)
  assert.match(textOf(cards[0]), /CARD-2/)
  assert.match(textOf(cards[1]), /CARD-1/)
  assert.match(textOf(nodesWithClass(cards[1], 'binding-card-actions')[0]), /启用此卡/)
  assert.match(textOf(nodesWithClass(cards[1], 'binding-card-actions')[0]), /更新实名状态/)
  assert.doesNotMatch(textOf(nodesWithClass(cards[1], 'binding-card-actions')[0]), /停用此卡/)
  user.permissions = []
  await vue.nextTick()
  assert.equal(nodesWithClass(root, 'binding-card').length, 2)
  for (const actions of nodesWithClass(root, 'binding-card-actions'))
    assert.equal(textOf(actions).trim(), '')
})

test('missing network status renders unknown and exposes neither start nor stop', async (t) => {
  const { root, asset } = mountBasicInfo(t, 3, ['iot_info:start', 'iot_info:stop'])
  delete asset.cards[0].network_status
  await vue.nextTick()
  const card = nodesWithClass(root, 'binding-card')[0]
  assert.match(textOf(card), /网络状态未知/)
  assert.doesNotMatch(textOf(nodesWithClass(card, 'binding-card-actions')[0]), /启用此卡|停用此卡/)
})

test('read-only accounts render realtime start/stop transitions without losing binding-card nodes', async (t) => {
  for (const userType of [2, 3, 4]) {
    const { root, asset } = mountBasicInfo(t, userType)
    asset.cards[0].network_status = 0
    await vue.nextTick()
    assert.equal(nodesWithClass(root, 'binding-card').length, 2)
    assert.match(textOf(nodesWithClass(root, 'binding-card')[0]), /网络状态停机/)
    asset.cards[0].network_status = 1
    await vue.nextTick()
    assert.match(textOf(nodesWithClass(root, 'binding-card')[0]), /网络状态正常/)
    for (const actions of nodesWithClass(root, 'binding-card-actions')) {
      assert.equal(textOf(actions).trim(), '')
    }
  }
})

test('current-first sorting does not mutate source cards; zero, one, and multiple bindings render stably', async (t) => {
  const { root, asset } = mountBasicInfo(t, 2)
  const originalOrder = asset.cards.map((card) => card.iccid)
  asset.cards[0].is_current = false
  asset.cards[1].is_current = true
  await vue.nextTick()
  assert.deepEqual(
    asset.cards.map((card) => card.iccid),
    originalOrder
  )
  assert.match(textOf(nodesWithClass(root, 'binding-card')[0]), /CARD-2/)
  asset.cards = [asset.cards[1]]
  await vue.nextTick()
  assert.equal(nodesWithClass(root, 'binding-card').length, 1)
  asset.cards = []
  await vue.nextTick()
  assert.equal(nodesWithClass(root, 'binding-card').length, 0)
})

test('device/card type switches and denied actions do not leave removed DOM anchors', async (t) => {
  const { root, asset, user } = mountBasicInfo(t, 3)
  asset.asset_type = 'card'
  asset.iccid = 'CARD-1'
  asset.network_status = 1
  await vue.nextTick()
  asset.network_status = 0
  await vue.nextTick()
  assert.equal(textOf(nodesWithClass(root, 'card-operations')[0]).trim(), '')
  user.permissions = ['iot_info:start']
  await vue.nextTick()
  assert.match(textOf(nodesWithClass(root, 'card-operations')[0]), /启用此卡/)
  asset.asset_type = 'device'
  user.permissions = ['device_info:reboot']
  await vue.nextTick()
  assert.equal(nodesWithClass(root, 'binding-card').length, 2)
  assert.match(textOf(nodesWithClass(root, 'device-operations')[0]), /重启设备/)
})