// 展示位配置表单 + 本地实时预览 e2e（UI-01 Task 7，真实后端：cn 8080 +
// admin dev 5176 由 playwright.config webServer 拉起或复用）。旅程：新建表单
// （UI-01 新字段 imageFit/offsetX/offsetBottom/zIndex）→ 预览即时随动 +
// 「未保存」脏态标记 → 保存 → GET /v1/admin/embed-slots 断言新字段持久化 →
// 嵌入代码卡只含显式非默认 data-* 覆盖（全默认 slot = 裸 loader 引用）→
// 表单交互窗口零 /v1/ 请求（预览纯本地，不写展示位不上报浏览）。
// 选择器一律 data-test；文案断言仅用稳定短语。
import { expect, test, type Page, type Request } from '@playwright/test'
import { adminCredentials, loginAsAdmin } from './helpers'

test.use({ testIdAttribute: 'data-test' })

const SUFFIX = Date.now().toString(36) + Math.random().toString(36).slice(2, 6)
const SLOT_NAME = `E2E配置展示位 ${SUFFIX}`
const DEFAULT_SLOT_NAME = `E2E默认展示位 ${SUFFIX}`

/** 列表内定位展示位行 */
function slotRow(page: Page, name: string) {
  return page.getByTestId('embed-slots-table').locator('tr', { hasText: name })
}

/** 管理端会话令牌（GET 断言持久化用） */
async function sessionToken(page: Page): Promise<string> {
  const { account, password } = adminCredentials()
  const login = await page.request.post('/v1/auth/password', { data: { account, password } })
  expect(login.ok()).toBeTruthy()
  return ((await login.json()) as { sessionToken: string }).sessionToken
}

/** 管理端列表按名称取条目（createdAt 倒序首页即可命中新建条目） */
async function findSlotByName(page: Page, name: string): Promise<ApiShapeSlotItem> {
  const token = await sessionToken(page)
  const res = await page.request.get('/v1/admin/embed-slots', {
    params: { limit: 20 },
    headers: { Authorization: `Bearer ${token}` }
  })
  expect(res.ok()).toBeTruthy()
  const body = (await res.json()) as { items: ApiShapeSlotItem[] }
  const item = body.items.find((slot) => slot.name === name)
  expect(item).toBeTruthy()
  return item as ApiShapeSlotItem
}

/** 断言关心的响应子集（settings 恒为归一化全集） */
interface ApiShapeSlotItem {
  id: string
  name: string
  settings: {
    position: string
    size: string
    intervalMs: number
    lang: string
    collapsedDefault: boolean
    imageFit: string
    offsetX: number
    offsetBottom: number
    zIndex: number
  }
}

test.describe.serial('embed slot config form + live preview (UI-01 Task 7)', () => {
  test('新字段表单：预览即时随动 + 脏态标记 → 保存 → GET 返回新值', async ({ page }) => {
    await loginAsAdmin(page)
    await page.goto('/#/system/embed-slots')
    await expect(page.getByTestId('embed-slots-table')).toBeVisible()

    await page.getByTestId('slot-create-btn').click()
    await expect(page.getByTestId('slot-form-dialog')).toBeVisible()

    // 打开即见双框预览；初始缺省不脏（新建空名 + 契约缺省设置）
    const panel = page.getByTestId('embed-preview-panel')
    await expect(panel).toBeVisible()
    const desktop = page.getByTestId('embed-preview-desktop')
    const mobile = page.getByTestId('embed-preview-mobile')
    await expect(desktop).toBeVisible()
    await expect(mobile).toBeVisible()
    await expect(page.getByTestId('slot-form-dirty')).toBeHidden()

    // 默认桌面展开（4:3 舞台 + 底栏）、手机窄屏收起为把手（§5.4）
    await expect(desktop.getByTestId('embed-preview-stage')).toBeVisible()
    await expect(desktop.getByTestId('embed-preview-indicator')).toHaveText('01 / 03')
    await expect(mobile.getByTestId('embed-preview-handle')).toBeVisible()
    await expect(mobile.getByTestId('embed-preview-stage')).toBeHidden()

    // 输入名称 → 脏态标记出现
    await page.getByTestId('slot-form-name').fill(SLOT_NAME)
    await expect(page.getByTestId('slot-form-dirty')).toBeVisible()

    // UI-01 新字段：图片适配 cover → 桌面预览舞台即时切 cover（未保存已随动）
    await page.getByTestId('slot-form-image-fit-cover').click()
    await expect(desktop.getByTestId('embed-preview-stage')).toHaveClass(/is-cover/)

    // 位置 left + 水平偏移 40 → 停靠几何即时反映（默认 offset 16 → 40）
    await page.getByTestId('slot-form-position').click()
    await page.getByTestId('slot-form-position-left').click()
    await expect(desktop.getByTestId('embed-preview-widget')).toHaveCSS('left', '16px')
    await page.getByTestId('slot-form-offset-x').locator('input').fill('40')
    await page.keyboard.press('Tab')
    await expect(desktop.getByTestId('embed-preview-widget')).toHaveCSS('left', '40px')

    // 底部偏移 80 → 距底即时反映
    await page.getByTestId('slot-form-offset-bottom').locator('input').fill('80')
    await page.keyboard.press('Tab')
    await expect(desktop.getByTestId('embed-preview-widget')).toHaveCSS('bottom', '80px')

    // 层级 2000 → z-index 徽标即时反映
    await page.getByTestId('slot-form-z-index').locator('input').fill('2000')
    await page.keyboard.press('Tab')
    await expect(desktop.getByTestId('embed-preview-zindex')).toHaveText('z-index 2000')

    // 尺寸 sm（280）+ 间隔 8000
    await page.getByTestId('slot-form-size').click()
    await page.getByTestId('slot-form-size-sm').click()
    await expect(desktop.getByTestId('embed-preview-widget')).toHaveCSS('width', '280px')
    await page.getByTestId('slot-form-interval').locator('input').fill('8000')
    await page.keyboard.press('Tab')

    // 保存 → 对话框关闭；GET 管理端断言新字段持久化（settings 归一化全集）
    await page.getByTestId('slot-form-submit').click()
    await expect(page.getByTestId('slot-form-dialog')).toBeHidden()

    const saved = await findSlotByName(page, SLOT_NAME)
    expect(saved.settings).toMatchObject({
      position: 'left',
      size: 'sm',
      intervalMs: 8000,
      lang: 'auto',
      collapsedDefault: false,
      imageFit: 'cover',
      offsetX: 40,
      offsetBottom: 80,
      zIndex: 2000
    })
  })

  test('嵌入代码卡：只含显式非默认 data-* 覆盖；全默认 slot 为裸 loader 引用', async ({ page }) => {
    // 全默认 slot 经 API 创建（settings 整体缺省 → 归一化缺省落库）
    const token = await sessionToken(page)
    const created = await page.request.post('/v1/admin/embed-slots', {
      headers: { Authorization: `Bearer ${token}` },
      data: { name: DEFAULT_SLOT_NAME }
    })
    expect(created.ok()).toBeTruthy()

    await loginAsAdmin(page)
    await page.goto('/#/system/embed-slots')

    // 显式覆盖 slot：position/size/interval/imageFit/offsetX/offsetBottom/zIndex
    // 非默认 → 各自 data-*；lang=auto 与 collapsedDefault（无 data-* 支持）省略
    const overrideRow = slotRow(page, SLOT_NAME)
    await expect(overrideRow).toBeVisible()
    await overrideRow.getByTestId('slot-code-btn').click()
    await expect(page.getByTestId('embed-code-dialog')).toBeVisible()
    const overrideSnippet = page.getByTestId('embed-code-snippet')
    await expect(overrideSnippet).toContainText('data-slot=')
    await expect(overrideSnippet).toContainText('data-position="left"')
    await expect(overrideSnippet).toContainText('data-size="sm"')
    await expect(overrideSnippet).toContainText('data-interval="8000"')
    await expect(overrideSnippet).toContainText('data-image-fit="cover"')
    await expect(overrideSnippet).toContainText('data-offset-x="40"')
    await expect(overrideSnippet).toContainText('data-offset-bottom="80"')
    await expect(overrideSnippet).toContainText('data-z-index="2000"')
    await expect(overrideSnippet).not.toContainText('data-lang=')
    // 覆盖说明可见（缺省字段让后台设置生效）
    await expect(page.getByTestId('embed-code-override-hint')).toBeVisible()
    await page.getByTestId('embed-code-close').click()
    await expect(page.getByTestId('embed-code-dialog')).toBeHidden()

    // 全默认 slot：仅 data-slot（缺省字段全部省略 → 后台配置生效）
    const defaultRow = slotRow(page, DEFAULT_SLOT_NAME)
    await expect(defaultRow).toBeVisible()
    await defaultRow.getByTestId('slot-code-btn').click()
    await expect(page.getByTestId('embed-code-dialog')).toBeVisible()
    const defaultSnippet = page.getByTestId('embed-code-snippet')
    const defaultToken = ((await page.getByTestId('embed-code-token').textContent()) ?? '').trim()
    await expect(defaultSnippet).toHaveText(
      `<script src="http://127.0.0.1:5175/embed/v1/loader.js" data-slot="${defaultToken}" defer></script>`
    )
    await page.getByTestId('embed-code-close').click()
  })

  test('预览纯本地：表单交互窗口零 /v1/ 请求（不写展示位、不上报浏览）', async ({ page }) => {
    await loginAsAdmin(page)
    await page.goto('/#/system/embed-slots')
    await expect(page.getByTestId('embed-slots-table')).toBeVisible()

    await page.getByTestId('slot-create-btn').click()
    await expect(page.getByTestId('slot-form-dialog')).toBeVisible()
    const desktop = page.getByTestId('embed-preview-desktop')

    // 交互窗口内记录全部 /v1/ 请求（表单/预览均为纯本地）
    const apiCalls: string[] = []
    const onRequest = (req: Request): void => {
      const path = new URL(req.url()).pathname
      if (path.startsWith('/v1/')) apiCalls.push(path)
    }
    page.on('request', onRequest)
    try {
      await page.getByTestId('slot-form-name').fill('零接口预览')
      await page.getByTestId('slot-form-position').click()
      await page.getByTestId('slot-form-position-left').click()
      await page.getByTestId('slot-form-size').click()
      await page.getByTestId('slot-form-size-sm').click()
      await page.getByTestId('slot-form-lang').click()
      await page.getByTestId('slot-form-lang-en').click()
      await page.getByTestId('slot-form-image-fit-cover').click()
      await expect(desktop.getByTestId('embed-preview-stage')).toHaveClass(/is-cover/)
      // collapsedDefault=true → 桌面预览初始收起为把手（把手点击可本地展开）
      await page.getByTestId('slot-form-collapsed').click()
      await expect(desktop.getByTestId('embed-preview-handle')).toBeVisible()
      await desktop.getByTestId('embed-preview-handle').click()
      await expect(desktop.getByTestId('embed-preview-stage')).toBeVisible()
      await page.getByTestId('slot-form-offset-x').locator('input').fill('20')
      await page.keyboard.press('Tab')
      await page.getByTestId('slot-form-offset-bottom').locator('input').fill('48')
      await page.keyboard.press('Tab')
      await page.getByTestId('slot-form-z-index').locator('input').fill('1500')
      await page.keyboard.press('Tab')
      await page.getByTestId('slot-form-interval').locator('input').fill('6000')
      await page.keyboard.press('Tab')

      // 静置收尾：预览随动后无任何后续/防抖请求
      await page.waitForTimeout(600)
      expect(apiCalls).toEqual([])
    } finally {
      page.off('request', onRequest)
    }

    // 取消退出：不保存（零写入旅程闭环）
    await page.getByTestId('slot-form-cancel').click()
    await expect(page.getByTestId('slot-form-dialog')).toBeHidden()
  })
})