import { expect, test as base, type Page, type Route, type TestInfo } from '@playwright/test'
import fs from 'node:fs'
import path from 'node:path'

/** UI/error-contract regression only. Synthetic authentication and API responses;
 * no real accounts, real API writes, or training execution are involved.
 */
type Json = Record<string, unknown>
const ROOT = path.resolve('reports/api-error-messages-20260906')
const SHOTS = path.join(ROOT, 'screenshots')
fs.mkdirSync(SHOTS, { recursive: true })

const permissions = [
  'content.training', 'content.model', 'content.scene', 'content.ofd', 'content.create', 'content.update', 'content.publish',
  'system.users', 'system.users.create', 'system.roles', 'system.departments',
  'teaching.physical', 'teaching.virtual', 'teaching.confrontation', 'teaching.tasks.create', 'teaching.tasks.publish',
]
const roles = [
  { id: 'mock-teacher', code: 'teacher', name: '教员', shortName: '教', status: 1, builtIn: 1, isSuperAdmin: 0, dataScopeCode: 'ALL', permissions },
  { id: 'mock-admin', code: 'admin', name: '系统管理员', shortName: '管', status: 1, builtIn: 1, isSuperAdmin: 0, dataScopeCode: 'ALL', permissions },
]
const envelope = (data: unknown) => ({ code: 200, message: 'OK', data, timestamp: Date.now(), requestId: 'mock-message-regression' })
const ok = (route: Route, data: unknown) => route.fulfill({ status: 200, contentType: 'application/json', body: JSON.stringify(envelope(data)) })
const fail = (route: Route, message: string, status = 503, code: number | string = 'MOCK_UNAVAILABLE', requestId = 'mock-message-regression') => route.fulfill({
  status, contentType: 'application/json', body: JSON.stringify({ code, message, data: null, timestamp: Date.now(), requestId }),
})
const pageOf = (records: unknown[]) => ({ records, total: records.length, page: 1, size: 10 })
const project = {
  id: 'message-training-901', type: 'TRAINING', code: 'MESSAGE-REGRESSION-901', name: 'Message 回归训练',
  description: '浏览器隔离测试数据', categoryCode: 'MEDIUM_REPAIR', coverUri: '', status: 'DRAFT',
  trainingMode: 'VIRTUAL', version: 1, currentVersionId: 'mock-version', currentVersionNo: 1,
  currentVersionStatus: 'DRAFT', ownerUserId: 'mock-user', ownerName: '测试教员', departmentId: 'mock-department',
  addTime: 1788624000, updateTime: 1788624000, dependencyCount: 0, assetCount: 0,
  content: { level: '初级', durationMinutes: 10, totalScore: 100, steps: [] },
}

class ApiMock {
  projectError = ''
  projectDetailError = ''
  systemError = ''
  assignmentError = ''
  assignmentDetailError = ''
  holdProjects = false
  readonly heldProjects: Route[] = []
  readonly requests: Array<{ method: string; path: string }> = []
  readonly unexpected: string[] = []
  readonly writes: string[] = []
  readonly pageErrors: string[] = []

  async install(page: Page) {
    page.on('pageerror', error => this.pageErrors.push(error.message))
    await page.addInitScript(() => {
      sessionStorage.setItem('unreal-tran:web:access-token:v1', 'synthetic-message-test-token-not-valid')
    })
    await page.route(url => url.pathname.startsWith('/api/'), async route => {
      const request = route.request()
      const target = new URL(request.url()).pathname
      this.requests.push({ method: request.method(), path: target })
      if (request.method() !== 'GET') {
        this.writes.push(`${request.method()} ${target}`)
        return fail(route, '测试禁止业务写入', 405)
      }
      if (target === '/api/auth/v1/auth/me') return ok(route, {
        user: { id: 'mock-user', username: 'message.regression', displayName: '消息回归测试', departmentId: 'mock-department', departmentName: '测试部门', mustChangePassword: false, version: 1 },
        roles, activeRoleId: 'mock-teacher', permissions, authorizationMode: 'UNION', loginTime: 1788624000,
      })
      if (target === '/api/auth/v1/menus/navigation') return ok(route, [])
      if (target === '/api/auth/v1/system-config/public') return ok(route, {
        systemName: '装备数字车间', loginDescription: '', defaultTheme: 'light', digitalHumanWidget: null,
      })
      if (target === '/api/tran/v1/content/projects/summary') return ok(route, { total: 1, draft: 1, review: 0, published: 0, byType: {}, byTrainingMode: { VIRTUAL: { total: 1, draft: 1 } } })
      if (target === '/api/tran/v1/content/projects') {
        if (this.holdProjects) { this.heldProjects.push(route); return }
        return this.projectError ? fail(route, this.projectError) : ok(route, pageOf([project]))
      }
      if (target === '/api/tran/v1/content/projects/message-training-901') return fail(route, this.projectDetailError || '测试工程详情不可用')
      if (target === '/api/tran/v1/content/catalog') return ok(route, pageOf([]))
      if (['/api/auth/v1/users', '/api/auth/v1/users/stats', '/api/auth/v1/departments/tree', '/api/auth/v1/roles/all'].includes(target)) {
        if (this.systemError) return fail(route, this.systemError)
        if (target.endsWith('/users')) return ok(route, pageOf([]))
        if (target.endsWith('/stats')) return ok(route, { total: 0, enabled: 0, disabled: 0, passwordPending: 0 })
        if (target.endsWith('/roles/all')) return ok(route, roles)
        return ok(route, [{ id: 'mock-department', name: '测试部门', parentId: null, status: 1, children: [] }])
      }
      if (target === '/api/tran/v1/teaching/assignments') return this.assignmentError ? fail(route, this.assignmentError) : ok(route, pageOf([]))
      if (target === '/api/tran/v1/teaching/assignments/summary') return ok(route, { total: 0, draft: 0, published: 0, active: 0, completed: 0, archived: 0, byChannel: {} })
      if (target === '/api/tran/v1/teaching/runs') return ok(route, pageOf([]))
      if (target === '/api/tran/v1/teaching/assignments/mock-physical') return fail(route, this.assignmentDetailError || '测试任务上下文不可用')
      if (target.startsWith('/api/auth/v1/__message_e2e/')) {
        if (target.endsWith('/timeout')) {
          await new Promise(resolve => setTimeout(resolve, 400))
          return ok(route, {}).catch(() => undefined)
        }
        if (target.endsWith('/forbidden')) return fail(route, '无权访问测试数据', 403, 'ACCESS_DENIED', 'mock-403')
        if (target.endsWith('/conflict')) return fail(route, '版本已变化，请重新加载', 409, 'VERSION_CONFLICT', 'mock-409')
        if (target.endsWith('/business-text')) return fail(route, 'Network Error', 400, 'ASSET_VALIDATION', 'mock-business')
      }
      this.unexpected.push(target)
      return fail(route, '测试未覆盖的接口', 404)
    })
  }
}

const test = base.extend<{ api: ApiMock }>({
  api: [async ({ page }, use) => {
    const api = new ApiMock()
    await api.install(page)
    await use(api)
  }, { auto: true }],
})

const shot = async (page: Page, info: TestInfo, name: string) => {
  const target = path.join(SHOTS, `${name}.png`)
  await page.screenshot({ path: target, fullPage: true, animations: 'disabled' })
  await info.attach(name, { path: target, contentType: 'image/png' })
}
const message = (page: Page, text: string) => page.locator('.el-message--error').filter({ hasText: text })
const noPersistentError = async (page: Page, text: string) => {
  await expect(page.locator('.el-alert--error')).toHaveCount(0)
  await expect(page.locator('body')).not.toContainText(text)
}
test.afterEach(async ({ api }, info) => {
  await info.attach('API 隔离与浏览器错误', { body: JSON.stringify({ requests: api.requests, unexpected: api.unexpected, writes: api.writes, pageErrors: api.pageErrors }, null, 2), contentType: 'application/json' })
  expect(api.unexpected, '所有 API 请求都有明确 mock 合同').toEqual([])
  expect(api.writes, '没有发起真实或模拟业务写入').toEqual([])
  expect(api.pageErrors, '没有未捕获浏览器异常').toEqual([])
})

test('内容列表：错误自动消失、重试恢复、再次失败保留旧数据', async ({ page, api }, info) => {
  const text = '测试：训练列表服务暂不可用'
  api.projectError = text
  await page.goto('/content/training-projects')
  await expect(message(page, text)).toBeVisible()
  await expect(message(page, text).locator('.el-message__closeBtn')).toBeVisible()
  await shot(page, info, '01-content-error-message')
  await expect(message(page, text)).toBeHidden({ timeout: 8_000 })
  await noPersistentError(page, text)
  await expect(page.getByRole('button', { name: '重新加载', exact: true })).toBeVisible()
  api.projectError = ''
  await page.getByRole('button', { name: '重新加载', exact: true }).click()
  await expect(page.locator('.training-project-card')).toContainText(project.name)
  api.projectError = text
  await page.getByRole('button', { name: '刷新', exact: true }).click()
  await expect(message(page, text)).toBeVisible()
  await expect(page.locator('.training-project-card')).toContainText(project.name)
  await expect(message(page, text)).toBeHidden({ timeout: 8_000 })
  await noPersistentError(page, text)
  await shot(page, info, '02-content-old-data-retained')
})

test('系统用户：并行同错合并一条，重复搜索可再次提示', async ({ page, api }, info) => {
  const text = '测试：用户目录服务暂不可用'
  api.systemError = text
  await page.goto('/system/users')
  await expect(message(page, text)).toHaveCount(1)
  await expect(message(page, text)).toBeVisible()
  await expect.poll(() => api.requests.filter(entry => ['/api/auth/v1/users', '/api/auth/v1/users/stats', '/api/auth/v1/departments/tree', '/api/auth/v1/roles/all'].includes(entry.path)).length).toBe(4)
  await expect(message(page, text)).toHaveCount(1)
  await shot(page, info, '03-users-grouped-message')
  await expect(message(page, text)).toBeHidden({ timeout: 8_000 })
  await noPersistentError(page, text)
  await page.getByRole('button', { name: '搜索', exact: true }).click()
  await expect(message(page, text)).toHaveCount(1)
  await expect(message(page, text)).toBeVisible()
  await expect(message(page, text)).toBeHidden({ timeout: 8_000 })
  await shot(page, info, '04-users-retry-without-banner')
})

test('训练编辑器：加载失败提示消失后保留重新加载按钮', async ({ page, api }, info) => {
  const text = '测试：训练工程加载失败'
  api.projectDetailError = text
  await page.goto('/content/training-projects/message-training-901/legacy')
  await expect(message(page, text)).toBeVisible()
  await shot(page, info, '05-legacy-training-message')
  await expect(message(page, text)).toBeHidden({ timeout: 8_000 })
  await noPersistentError(page, text)
  await expect(page.getByRole('button', { name: '重新加载', exact: true })).toBeVisible()
  await shot(page, info, '06-legacy-training-retry')
})

test('实装预览：任务上下文错误用 Message，离线与教员模式持续可见', async ({ page, api }, info) => {
  const text = '测试：实装任务上下文读取失败'
  api.assignmentDetailError = text
  await page.goto('/teaching/physical-training/preview/mock-physical')
  await expect(message(page, text)).toBeVisible()
  await expect(page.locator('.legacy-physical-page__warning')).toHaveText('离线识别回放')
  await expect(page.locator('.legacy-physical-page__notice')).toContainText('教员预览态')
  await shot(page, info, '07-physical-context-message')
  await expect(message(page, text)).toBeHidden({ timeout: 8_000 })
  await noPersistentError(page, text)
  await expect(page.locator('.legacy-physical-page__warning')).toBeVisible()
  await shot(page, info, '08-physical-mode-preserved')
})

test('新建训练：业务说明与必填校验保留，不发起创建请求', async ({ page }, info) => {
  await page.goto('/content/training-projects')
  await expect(page.locator('.training-project-card')).toBeVisible()
  await page.getByRole('button', { name: '新建训练项目', exact: true }).click()
  const dialog = page.getByRole('dialog')
  await expect(dialog.locator('.el-alert--info')).toContainText('项目编码将在创建后由系统自动生成')
  await dialog.getByRole('button', { name: '创建并编辑', exact: true }).click()
  await expect(dialog.locator('.el-form-item__error').filter({ hasText: '请输入项目名称' })).toBeVisible()
  await shot(page, info, '09-create-validation-preserved')
})

test('缓存列表：失活时晚到错误不弹出，返回不重放旧错误', async ({ page, api }, info) => {
  const text = '测试：失活页面晚到错误'
  api.holdProjects = true
  await page.goto('/content/training-projects')
  await expect.poll(() => api.heldProjects.length).toBeGreaterThan(0)
  await page.evaluate(() => {
    const state = window as unknown as { messageObservations: string[] }
    state.messageObservations = []
    new MutationObserver(() => document.querySelectorAll('.el-message').forEach(node => state.messageObservations.push(node.textContent || '')))
      .observe(document.body, { childList: true, subtree: true })
  })
  await page.getByRole('button', { name: '系统管理', exact: true }).click()
  await expect(page.locator('.users-table')).toBeVisible()
  api.holdProjects = false
  await Promise.all(api.heldProjects.splice(0).map(route => fail(route, text)))
  await expect.poll(() => page.evaluate(async () => {
    const modulePath = '/src/stores/content.ts'
    const { useContentStore } = await import(modulePath)
    return useContentStore().errorFor('projects:TRAINING')
  })).toBe(text)
  await expect(message(page, text)).toHaveCount(0)
  await shot(page, info, '10-inactive-page-no-message')
  await page.getByRole('tab', { name: '训练编排', exact: true }).click()
  await expect(page.locator('.training-project-card')).toBeVisible()
  await expect(message(page, text)).toHaveCount(0)
  expect(await page.evaluate(value => (window as unknown as { messageObservations: string[] }).messageObservations.filter(entry => entry.includes(value)), text)).toEqual([])
  await shot(page, info, '11-reactivated-no-stale-message')
})

test('HTTP 合同：真实 Axios 超时中文化，403/409 元数据保留，静默请求不自动弹窗', async ({ page }, info) => {
  await page.goto('/content/training-projects')
  await expect(page.locator('.training-project-card')).toBeVisible()
  const errors = await page.evaluate(async () => {
    const modulePath = '/src/api/http.ts'
    const { requestData } = await import(modulePath)
    const result = []
    for (const endpoint of ['timeout', 'forbidden', 'conflict']) {
      try { await requestData({ method: 'GET', url: `/__message_e2e/${endpoint}`, timeout: endpoint === 'timeout' ? 80 : 1_000 }) }
      catch (cause) {
        const error = cause as { message: string; code: string; status?: number; requestId: string }
        result.push({ endpoint, message: error.message, code: error.code, status: error.status ?? null, requestId: error.requestId })
      }
    }
    return result
  })
  expect(errors).toEqual([
    { endpoint: 'timeout', message: '请求超时，请稍后重试', code: 'NETWORK_ERROR', status: null, requestId: '' },
    { endpoint: 'forbidden', message: '无权访问测试数据', code: 'ACCESS_DENIED', status: 403, requestId: 'mock-403' },
    { endpoint: 'conflict', message: '版本已变化，请重新加载', code: 'VERSION_CONFLICT', status: 409, requestId: 'mock-409' },
  ])
  await expect(page.locator('.el-message')).toHaveCount(0)
  await info.attach('HTTP 合同证据', { body: JSON.stringify(errors, null, 2), contentType: 'application/json' })
  const cancellation = await page.evaluate(async () => {
    const httpPath = '/src/api/http.ts'
    const messagePath = '/src/utils/errorMessage.ts'
    const { requestData } = await import(httpPath)
    const { showErrorMessage } = await import(messagePath)
    const controller = new AbortController()
    setTimeout(() => controller.abort(), 20)
    try { await requestData({ method: 'GET', url: '/__message_e2e/timeout', signal: controller.signal, timeout: 1_000 }) }
    catch (cause) {
      showErrorMessage(cause)
      const error = cause as { name: string; code: string }
      return { name: error.name, code: error.code }
    }
    return null
  })
  expect(cancellation).toEqual({ name: 'CanceledError', code: 'ERR_CANCELED' })
  await expect(page.locator('.el-message')).toHaveCount(0)
  await shot(page, info, '12-http-silent-errors')
  const businessError = await page.evaluate(async () => {
    const httpPath = '/src/api/http.ts'
    const messagePath = '/src/utils/errorMessage.ts'
    const { requestData } = await import(httpPath)
    const { showErrorMessage } = await import(messagePath)
    try { await requestData({ method: 'GET', url: '/__message_e2e/business-text' }) }
    catch (cause) {
      showErrorMessage(cause)
      const error = cause as { message: string; code: string; requestId: string; status: number }
      return { message: error.message, code: error.code, requestId: error.requestId, status: error.status }
    }
    return null
  })
  expect(businessError).toEqual({ message: 'Network Error', code: 'ASSET_VALIDATION', requestId: 'mock-business', status: 400 })
  await expect(message(page, 'Network Error')).toBeVisible()
  await shot(page, info, '15-business-message-keeps-original-text')
  await info.attach('取消请求与业务原文证据', { body: JSON.stringify({ cancellation, businessError }, null, 2), contentType: 'application/json' })
})

test('局域网教学列表：既有 ElMessage.error 使用全局关闭和自动消失配置', async ({ page, api }, info) => {
  const text = '测试：局域网教学列表读取失败'
  api.assignmentError = text
  await page.goto('http://192.168.31.168:6180/teaching/physical-training')
  await expect(message(page, text)).toBeVisible()
  await expect(message(page, text).locator('.el-message__closeBtn')).toBeVisible()
  await shot(page, info, '13-lan-teaching-message')
  await expect(message(page, text)).toBeHidden({ timeout: 8_000 })
  await noPersistentError(page, text)
  await shot(page, info, '14-lan-teaching-after-dismiss')
})

test('模型桥接 DOM 合同：初次错误与晚写详情转为重试说明，ready 恢复交互', async ({ page }, info) => {
  await page.route(url => url.pathname === '/__message_bridge_test', route => route.fulfill({
    status: 200, contentType: 'text/html', body: `<!doctype html><html lang="zh-CN"><meta charset="utf-8"><title>模型加载桥接 DOM 测试夹具</title><style>body{font:16px system-ui;background:#f0f5f4;color:#244d45;padding:35px}h1{font-size:24px}.editor-shell{max-width:900px;margin:25px auto;border:1px solid #a1bdb7;border-radius:10px;overflow:hidden}.topbar{padding:16px;background:white}#render-host{height:360px;background:#203b42}canvas{width:100%;height:100%}#loading-overlay{position:absolute;inset:0;display:grid;place-content:center;justify-items:center;gap:15px;background:#13292deb;color:white}.hidden{display:none!important}button{padding:9px 15px}</style><h1>模型加载桥接 DOM 合同</h1><p>浏览器测试夹具，仅验证真实宿主桥接的错误文案、重试与交互恢复；不代表加载真实 GLB。</p><div class="editor-shell" data-model-api-state="loading"><div class="topbar"><button>测试编辑工具</button></div><div id="render-host"><canvas width="900" height="360"></canvas></div><div id="loading-overlay"><span class="loading-ring"></span><b class="loading-title">正在载入工程模型</b><span id="loading-progress">初始化</span></div></div></html>`,
  }))
  await page.goto('/__message_bridge_test')
  await page.evaluate(async () => {
    const state = window as unknown as { editorApp: { renderer: { domElement: Element | null } }; bridgeRetries: number }
    state.editorApp = { renderer: { domElement: document.querySelector('canvas') } }
    state.bridgeRetries = 0
    const modulePath = '/src/features/editors/model/legacy-iframe-loading-scope.ts'
    const { installLegacyModelIframeLoadingScope } = await import(modulePath)
    installLegacyModelIframeLoadingScope(document, { onRetry: () => { state.bridgeRetries += 1 } })
    document.querySelector<HTMLElement>('.editor-shell')!.dataset.modelApiState = 'error'
    document.querySelector('#loading-progress')!.textContent = '测试：初次模型接口错误详情'
  })
  await expect(page.locator('#loading-progress')).toHaveText('请重新加载工程')
  await expect(page.locator('body')).not.toContainText('测试：初次模型接口错误详情')
  expect(await page.locator('.topbar').evaluate(element => (element as HTMLElement).inert)).toBe(true)
  await page.locator('#loading-progress').evaluate(element => { element.textContent = '测试：晚写模型接口错误详情' })
  await expect(page.locator('#loading-progress')).toHaveText('请重新加载工程')
  await expect(page.locator('body')).not.toContainText('测试：晚写模型接口错误详情')
  await page.getByRole('button', { name: '重新加载工程', exact: true }).click()
  expect(await page.evaluate(() => (window as unknown as { bridgeRetries: number }).bridgeRetries)).toBe(1)
  await shot(page, info, '16-model-bridge-neutral-retry')
  await page.locator('.editor-shell').evaluate(element => { (element as HTMLElement).dataset.modelApiState = 'ready' })
  await expect(page.locator('#loading-overlay')).toBeHidden()
  expect(await page.locator('.topbar').evaluate(element => (element as HTMLElement).inert)).toBe(false)
  await expect(page.locator('.editor-shell')).toHaveAttribute('data-model-project-ready', 'true')
  await expect(page.locator('.editor-shell')).toHaveAttribute('data-model-interaction-blocked', 'false')
  await shot(page, info, '17-model-bridge-ready')
})