import type { APIResponse, TestInfo } from '@playwright/test'

import { attachJson, captureScreenshot, expect, runPrefix, test } from './fixtures'
import { adminAccessToken, envelopeData, loginAsAdmin } from './helpers'

type JsonRecord = Record<string, unknown>

interface IntegrationSnapshot {
  knowledgeProviderMode: 'local' | 'hybrid' | 'third_party'
  thirdPartyKnowledgeEnabled: boolean
  thirdPartyKnowledgeName: string
  thirdPartyKnowledgeBaseUrl: string
  thirdPartyKnowledgeApiPath: string
  thirdPartyKnowledgeAuthType: 'none' | 'bearer' | 'api_key'
  thirdPartyKnowledgeBaseId: string
  thirdPartyKnowledgeTimeoutSeconds: number
  thirdPartyKnowledgeKeyConfigured: boolean
}

interface Activity {
  module: string
  action: string
  result: 'PASS' | 'CLEANED' | 'CLEANUP_FAILED'
  httpStatus?: number
  detail?: string
}

const asRecord = (value: unknown): JsonRecord => value && typeof value === 'object' && !Array.isArray(value)
  ? value as JsonRecord
  : {}

function normalize(value: unknown): IntegrationSnapshot {
  const root = asRecord(envelopeData(value))
  const mode = String(root.knowledgeProviderMode || 'local')
  const authType = String(root.thirdPartyKnowledgeAuthType || 'none')
  return {
    knowledgeProviderMode: mode === 'hybrid' || mode === 'third_party' ? mode : 'local',
    thirdPartyKnowledgeEnabled: Boolean(root.thirdPartyKnowledgeEnabled),
    thirdPartyKnowledgeName: String(root.thirdPartyKnowledgeName || ''),
    thirdPartyKnowledgeBaseUrl: String(root.thirdPartyKnowledgeBaseUrl || ''),
    thirdPartyKnowledgeApiPath: String(root.thirdPartyKnowledgeApiPath || '/api/v1/knowledge/search'),
    thirdPartyKnowledgeAuthType: authType === 'bearer' || authType === 'api_key' ? authType : 'none',
    thirdPartyKnowledgeBaseId: String(root.thirdPartyKnowledgeBaseId || ''),
    thirdPartyKnowledgeTimeoutSeconds: Number(root.thirdPartyKnowledgeTimeoutSeconds || 15),
    thirdPartyKnowledgeKeyConfigured: Boolean(root.thirdPartyKnowledgeKeyConfigured),
  }
}

function savePayload(value: IntegrationSnapshot) {
  return {
    ...value,
    // The API intentionally never returns the credential.  An empty value
    // means keep the existing encrypted secret during both test and restore.
    thirdPartyKnowledgeApiKey: '',
  }
}

async function responseBody(response: APIResponse) {
  return response.json().catch(() => ({}))
}

async function fillLabel(page: import('@playwright/test').Page, label: string, value: string) {
  const field = page.locator('label').filter({ hasText: label }).first()
  const input = field.locator('input:not([type="hidden"]), textarea').first()
  await expect(input, `应显示字段：${label}`).toBeVisible()
  await input.fill(value)
}

async function recordScreenshot(
  page: import('@playwright/test').Page,
  testInfo: TestInfo,
  label: string,
) {
  await captureScreenshot(page, testInfo, label, [page.locator('input[type="password"]')])
}

test('三方配置通过页面保存、格式检查、联调失败态与刷新持久化，并精确恢复原配置', async ({ page, request }, testInfo) => {
  const activities: Activity[] = []
  const token = await adminAccessToken(request)
  const headers = { Authorization: `Bearer ${token}` }
  const initialResponse = await request.get('/api/v1/settings/general', { headers })
  expect(initialResponse.status(), '读取三方配置快照').toBe(200)
  const snapshot = normalize(await responseBody(initialResponse))
  const testName = `${runPrefix}-装备知识中台`.slice(0, 80)
  const testSettings: IntegrationSnapshot = {
    knowledgeProviderMode: 'local',
    thirdPartyKnowledgeEnabled: false,
    thirdPartyKnowledgeName: testName,
    thirdPartyKnowledgeBaseUrl: 'https://demo.invalid',
    thirdPartyKnowledgeApiPath: '/api/v1/knowledge/search',
    thirdPartyKnowledgeAuthType: 'none',
    thirdPartyKnowledgeBaseId: `equipment-${runPrefix.toLowerCase()}`.slice(0, 160),
    thirdPartyKnowledgeTimeoutSeconds: 17,
    thirdPartyKnowledgeKeyConfigured: snapshot.thirdPartyKnowledgeKeyConfigured,
  }

  let restored = false
  try {
    await loginAsAdmin(page)
    await page.goto('/settings/integrations')
    await expect(page.getByRole('heading', { name: '三方配置' })).toBeVisible()
    await expect(page.locator('.management-loading')).toHaveCount(0, { timeout: 15_000 })

    await page.locator('input[type="radio"][value="local"]').check()
    const enabled = page.locator('.integration-enable-row input[type="checkbox"]')
    if (await enabled.isChecked()) await page.locator('.integration-enable-row .el-switch').click()
    await fillLabel(page, '服务名称', testSettings.thirdPartyKnowledgeName)
    await page.locator('.integration-advanced-settings > summary').click()
    await fillLabel(page, '知识库标识', testSettings.thirdPartyKnowledgeBaseId)
    await fillLabel(page, '服务地址', testSettings.thirdPartyKnowledgeBaseUrl)
    await fillLabel(page, '检索接口路径', testSettings.thirdPartyKnowledgeApiPath)
    await fillLabel(page, '请求超时', String(testSettings.thirdPartyKnowledgeTimeoutSeconds))
    await page.locator('label').filter({ hasText: '鉴权方式' }).locator('select').selectOption('none')

    await page.getByRole('button', { name: '检查格式' }).click()
    await expect(page.getByText('配置格式检查通过，可保存后进入接口联调', { exact: true }).last()).toBeVisible()
    await recordScreenshot(page, testInfo, '三方配置-01-页面填写与格式检查')

    const savedResponsePromise = page.waitForResponse((response) => (
      response.request().method() === 'PUT' && response.url().includes('/api/v1/settings/general')
    ))
    await page.getByRole('button', { name: '保存配置' }).click()
    const savedResponse = await savedResponsePromise
    expect(savedResponse.status(), await savedResponse.text()).toBe(200)
    await expect(page.getByText('第三方知识库配置已保存', { exact: true }).last()).toBeVisible()
    activities.push({ module: '三方配置', action: '页面保存禁用的本地策略与安全占位地址', result: 'PASS', httpStatus: 200 })

    await page.reload()
    await expect(page.locator('.management-loading')).toHaveCount(0, { timeout: 15_000 })
    await expect(page.locator('label').filter({ hasText: '服务名称' }).locator('input')).toHaveValue(testName)
    await expect(page.locator('.integration-status-grid')).toContainText('平台本地知识库')
    await page.locator('.integration-advanced-settings > summary').click()
    await expect(page.locator('label').filter({ hasText: '服务地址' }).locator('input')).toHaveValue('https://demo.invalid')
    await expect(page.locator('label').filter({ hasText: '知识库标识' }).locator('input')).toHaveValue(testSettings.thirdPartyKnowledgeBaseId)
    activities.push({ module: '三方配置', action: '刷新页面后配置仍持久化', result: 'PASS' })
    await recordScreenshot(page, testInfo, '三方配置-02-刷新后持久化')

    const testResponsePromise = page.waitForResponse((response) => (
      response.request().method() === 'POST' && response.url().includes('/api/v1/settings/knowledge-provider/test')
    ))
    await page.getByRole('button', { name: '保存并测试连接' }).click()
    const testResponse = await testResponsePromise
    expect(testResponse.status(), '安全占位域名联调不得造成服务端 5xx').toBeLessThan(500)
    await expect(page.locator('.integration-test-result')).toBeVisible()
    activities.push({
      module: '三方配置',
      action: '页面保存并执行真实服务端连接测试',
      result: 'PASS',
      httpStatus: testResponse.status(),
      detail: 'demo.invalid 是不可达安全占位地址；预期呈现可解释失败态，不伪造第三方成功。',
    })
    await recordScreenshot(page, testInfo, '三方配置-03-真实联调结果')
  } finally {
    const restoreResponse = await request.put('/api/v1/settings/general', {
      headers,
      data: savePayload(snapshot),
    })
    if (restoreResponse.status() === 200) {
      restored = true
      activities.push({ module: '三方配置', action: '恢复测试前完整非敏感配置且保留原加密凭证', result: 'CLEANED', httpStatus: 200 })
    } else {
      activities.push({ module: '三方配置', action: '恢复测试前配置', result: 'CLEANUP_FAILED', httpStatus: restoreResponse.status(), detail: await restoreResponse.text() })
    }
    await attachJson(testInfo, '三方配置页面提交活动', activities)
  }

  expect(restored, '全局三方配置必须恢复，避免污染后续用例').toBeTruthy()
  const finalResponse = await request.get('/api/v1/settings/general', { headers })
  expect(finalResponse.status()).toBe(200)
  expect(normalize(await responseBody(finalResponse))).toEqual(snapshot)
})