import { captureScreenshot, expect, test } from './fixtures'
import type { Page, Route } from '@playwright/test'

const navigationModes = [
  { label: '顶部一级 + 左侧二级', value: 'top-side' },
  { label: '左侧分组菜单', value: 'side' },
  { label: '顶部下拉菜单', value: 'top' },
] as const

const waitForDashboard = async (page: import('@playwright/test').Page) => {
  await expect(page.locator('.platform-shell')).toBeVisible()
}

const envelope = (data: unknown) => JSON.stringify({
  code: 200,
  message: '成功',
  data,
  timestamp: '2026-08-30T10:00:00+08:00',
  requestId: 'ute2e-preferences',
})

const fulfillJson = (route: Route, data: unknown) => route.fulfill({
  status: 200,
  contentType: 'application/json',
  body: envelope(data),
})

const installMockedSession = async (page: Page) => {
  await page.addInitScript(() => {
    sessionStorage.setItem('unreal-tran:web:access-token:v1', 'ute2e-preferences-token')
  })
  await page.route('**/api/auth/v1/**', (route) => {
    const path = new URL(route.request().url()).pathname
    if (path === '/api/auth/v1/system-config/public') {
      return fulfillJson(route, {
        systemName: '装备维修实训数字车间',
        loginDescription: '统一承载内容制作、虚实训练、训练考核与资源管理。',
        defaultTheme: 'military',
        logoConfigured: false,
        faviconConfigured: false,
        loginLogoConfigured: false,
      })
    }
    if (path === '/api/auth/v1/auth/me') {
      return fulfillJson(route, {
        user: {
          id: '1', username: 'admin', displayName: '系统管理员', departmentId: '10',
          departmentName: '信息中心', mustChangePassword: false, version: 1,
        },
        activeRoleId: '100',
        roles: [{
          id: '100', code: 'admin', name: '管理员', shortName: '管', status: 1,
          builtIn: 1, isSuperAdmin: 1, dataScopeCode: 'ALL',
        }],
        permissions: ['dashboard.view'],
        authorizationMode: 'SINGLE_ACTIVE',
        loginTime: 1788064800,
      })
    }
    if (path === '/api/auth/v1/menus/navigation') return fulfillJson(route, [])
    return fulfillJson(route, {})
  })
  await page.route('**/api/tran/v1/**', (route) => fulfillJson(route, {}))
  await page.goto('/dashboard')
  await waitForDashboard(page)
}

const contrastRatio = (foreground: string, background: string) => {
  const channels = (value: string) => (value.match(/[\d.]+/g) ?? []).slice(0, 3).map(Number)
  const luminance = (value: string) => channels(value).reduce((sum, channel, index) => {
    const normalized = channel / 255
    const linear = normalized <= .03928 ? normalized / 12.92 : ((normalized + .055) / 1.055) ** 2.4
    return sum + linear * [.2126, .7152, .0722][index]!
  }, 0)
  const [lighter, darker] = [luminance(foreground), luminance(background)].sort((left, right) => right - left)
  return (lighter! + .05) / (darker! + .05)
}

test('三种导航模式与四种主题可以持久化', async ({ page }, testInfo) => {
  await page.emulateMedia({ colorScheme: 'dark' })
  await installMockedSession(page)
  await expect(page.locator('.platform-shell')).toHaveAttribute('data-navigation-mode', 'top-side')
  await expect(page.locator('html')).toHaveAttribute('data-theme', 'light')
  await expect(page.locator('html')).toHaveAttribute('data-color-theme', 'military')
  expect(await page.locator('html').evaluate((element) => getComputedStyle(element).getPropertyValue('--primary').trim())).toBe('#168a72')
  await expect(page.getByText('本地服务正常', { exact: true })).toHaveCount(0)
  await expect(page.getByText('平台服务正常', { exact: true })).toHaveCount(0)

  for (const mode of navigationModes) {
    await test.step(`导航模式：${mode.label}`, async () => {
      await page.getByRole('button', { name: '界面与导航设置' }).click()
      const drawer = page.locator('.el-drawer:visible')
      await drawer.getByRole('button', { name: new RegExp(mode.label.replace('+', '\\+')) }).click()
      await expect(page.locator('.platform-shell')).toHaveAttribute('data-navigation-mode', mode.value)
      await page.keyboard.press('Escape')
      await page.reload()
      await expect(page.locator('.platform-shell')).toHaveAttribute('data-navigation-mode', mode.value)
      await waitForDashboard(page)
      await captureScreenshot(page, testInfo, `navigation-${mode.value}`)
    })
  }

  await test.step('桌面侧栏收起、刷新持久化与展开恢复', async () => {
    await page.getByRole('button', { name: '界面与导航设置' }).click()
    const drawer = page.locator('.el-drawer:visible')
    await drawer.getByRole('button', { name: /顶部一级 \+ 左侧二级/ }).click()
    await page.keyboard.press('Escape')
    await expect(drawer).toBeHidden()

    const shell = page.locator('.platform-shell')
    await expect(shell).toHaveAttribute('data-navigation-mode', 'top-side')
    const collapseButton = page.getByRole('button', { name: '收起左侧导航' })
    await expect(collapseButton).toBeVisible()
    await collapseButton.click()
    await expect(shell).toHaveClass(/sidebar-collapsed/)
    await expect(page.getByRole('button', { name: '展开左侧导航' })).toBeVisible()
    await captureScreenshot(page, testInfo, 'sidebar-collapsed')

    await page.reload()
    await waitForDashboard(page)
    await expect(shell).toHaveClass(/sidebar-collapsed/)
    const expandButton = page.getByRole('button', { name: '展开左侧导航' })
    await expect(expandButton).toBeVisible()
    await expandButton.click()
    await expect(shell).not.toHaveClass(/sidebar-collapsed/)
    await expect(page.getByRole('button', { name: '收起左侧导航' })).toBeVisible()
    await captureScreenshot(page, testInfo, 'sidebar-expanded')

    await page.reload()
    await waitForDashboard(page)
    await expect(shell).not.toHaveClass(/sidebar-collapsed/)
  })

  const themes = [
    { label: '军工绿', value: 'military', expected: 'light', primary: '#168a72' },
    { label: '科技蓝', value: 'technology', expected: 'light', primary: '#197fc8' },
    { label: '深空灰', value: 'graphite', expected: 'light', primary: '#4f8995' },
    { label: '暗色', value: 'dark', expected: 'dark', primary: '#55d0bd' },
  ] as const

  for (const theme of themes) {
    await test.step(`主题模式：${theme.label}`, async () => {
      await page.getByRole('button', { name: '界面与导航设置' }).click()
      const drawer = page.locator('.el-drawer:visible')
      await drawer.getByRole('button', { name: new RegExp(theme.label) }).click()
      await expect(page.locator('html')).toHaveAttribute('data-theme', theme.expected)
      await expect(page.locator('html')).toHaveAttribute('data-color-theme', theme.value)
      await page.keyboard.press('Escape')
      await page.reload()
      await expect(page.locator('html')).toHaveAttribute('data-theme', theme.expected)
      await expect(page.locator('html')).toHaveAttribute('data-color-theme', theme.value)
      await waitForDashboard(page)
      expect(await page.locator('html').evaluate((element) => getComputedStyle(element).getPropertyValue('--primary').trim())).toBe(theme.primary)
      if (theme.expected === 'dark') {
        const colors = await page.locator('html').evaluate(() => {
          const probe = document.createElement('div')
          probe.style.color = 'var(--text-primary)'
          probe.style.backgroundColor = 'var(--surface)'
          document.body.appendChild(probe)
          const result = {
            foreground: getComputedStyle(probe).color,
            background: getComputedStyle(probe).backgroundColor,
          }
          probe.remove()
          return result
        })
        expect(contrastRatio(colors.foreground, colors.background)).toBeGreaterThanOrEqual(4.5)
      }
      await captureScreenshot(page, testInfo, `theme-${theme.value}`)
    })
  }

  // 保持默认值，避免 headed 模式下人工继续检查时继承最后一次设置。
  await page.getByRole('button', { name: '界面与导航设置' }).click()
  const drawer = page.locator('.el-drawer:visible')
  await drawer.getByRole('button', { name: /军工绿/ }).click()
  await drawer.getByRole('button', { name: /顶部一级 \+ 左侧二级/ }).click()
})