import router from './router'
import type { RouteRecordRaw } from 'vue-router'
import { isRelogin } from '@/config/axios/service'
import { getAccessToken } from '@/utils/auth'
import { useTitle } from '@/hooks/web/useTitle'
import { useNProgress } from '@/hooks/web/useNProgress'
import { usePageLoading } from '@/hooks/web/usePageLoading'
import { useDictStoreWithOut } from '@/store/modules/dict'
import { useUserStoreWithOut } from '@/store/modules/user'
import { usePermissionStoreWithOut } from '@/store/modules/permission'
import * as authUtil from '@/utils/auth'

const { start, done } = useNProgress()

const { loadStart, loadDone } = usePageLoading()
const loading = ref() // ElLoading.service 返回的实例
const parseURL = (
  url: string | null | undefined
): { basePath: string; paramsObject: { [key: string]: string } } => {
  // 如果输入为 null 或 undefined，返回空字符串和空对象
  if (url == null) {
    return { basePath: '', paramsObject: {} }
  }

  // 找到问号 (?) 的位置，它之前是基础路径，之后是查询参数
  const questionMarkIndex = url.indexOf('?')
  let basePath = url
  const paramsObject: { [key: string]: string } = {}

  // 如果找到了问号，说明有查询参数
  if (questionMarkIndex !== -1) {
    // 获取 basePath
    basePath = url.substring(0, questionMarkIndex)

    // 从 URL 中获取查询字符串部分
    const queryString = url.substring(questionMarkIndex + 1)

    // 使用 URLSearchParams 遍历参数
    const searchParams = new URLSearchParams(queryString)
    searchParams.forEach((value, key) => {
      // 封装进 paramsObject 对象
      paramsObject[key] = value
    })
  }

  // 返回 basePath 和 paramsObject
  return { basePath, paramsObject }
}
// 单点登录token验证函数
const validateAndLogin = async () => {
  try {
    const userStore = useUserStoreWithOut()
    // 调用单点登录接口,传入外部token
    // 这里根据你的实际接口调整
    const response = await userStore.ssoLogin()
    // const response = {
    //   accessToken: "41f636cc7ff247129e4d4f205bc3a096",
    //   expiresTime: 1767094239442,
    //   loginType: "cas",
    //   refreshToken: "d86a7e71e34b464a898fe2a2e838e572",
    //   userId: "140"
    // }
    if (response && response.accessToken) {
        loading.value = ElLoading.service({
        lock: true,
        text: '正在加载系统中...',
        background: 'rgba(0, 0, 0, 0.7)'
        })
      authUtil.setToken(response)
    }
    console.log(response, 'response的数据啊')
    
    // 或者直接调用API
    // import { ssoLoginApi } from '@/api/login'
    // const response = await ssoLoginApi({ token, loginType })
    
    // 保存本系统的token
    // if (response && response.token) {
    //   setToken(response.token)
    //   return true
    // }
    return true
  } catch (error) {
    console.error('SSO登录失败:', error)
    return false
  }
}
// 路由不重定向白名单
const whiteList = [
  '/login',
  '/social-login',
  '/auth-redirect',
  '/bind',
  '/register',
  '/oauthLogin/gitee'
]

// 路由加载前
// 路由加载前
router.beforeEach(async (to, from, next) => {
  start()
  loadStart()
  
  const loginType = to.query.loginType as string

  // 处理单点登录
  if (loginType == 'cas') {
    console.log('检测到SSO登录参数:',  loginType )
    
    try {
      // 验证token并登录
      const loginSuccess = await validateAndLogin()
      console.log('SSO登录结果:', loginSuccess)
      if (loginSuccess) {
        // 登录成功,清除URL中的token参数
        const targetPath = to.path === '/' ? '/index' : to.path
        console.log('登录成功,跳转到:', targetPath)
        // 获取用户信息和权限
        const userStore = useUserStoreWithOut()
        const permissionStore = usePermissionStoreWithOut()
        const dictStore = useDictStoreWithOut()
        
        isRelogin.show = true
        
        // 加载字典
        if (!dictStore.getIsSetDict) {
          await dictStore.setDictMap()
        }
        
        // 加载用户信息
        await userStore.setUserInfoAction()
        
        // 加载菜单权限
        await permissionStore.generateRoutes()
        permissionStore.getAddRouters.forEach((route) => {
          router.addRoute(route as unknown as RouteRecordRaw)
        })
        loading.value.close()
        isRelogin.show = false
        
        // 跳转到目标页面,移除token参数
        next({ 
          path: targetPath, 
          query: {}, 
          replace: true 
        })
      } else {
        // token验证失败
        console.log('SSO token验证失败')
        loading.value.close()
        next('/login')
      }
    } catch (error) {
      console.error('SSO登录异常:', error)
      isRelogin.show = false
      next('/login')
    }
    return
  }

  // 正常的登录验证逻辑
  if (getAccessToken()) {
    if (to.path === '/login') {
      next({ path: '/' })
    } else {
      const dictStore = useDictStoreWithOut()
      const userStore = useUserStoreWithOut()
      const permissionStore = usePermissionStoreWithOut()
      
      if (!dictStore.getIsSetDict) {
        await dictStore.setDictMap()
      }
      
      if (!userStore.getIsSetUser) {
        isRelogin.show = true
        await userStore.setUserInfoAction()
        isRelogin.show = false
        
        await permissionStore.generateRoutes()
        permissionStore.getAddRouters.forEach((route) => {
          router.addRoute(route as unknown as RouteRecordRaw)
        })
        
        const redirectPath = from.query.redirect || to.path
        const redirect = decodeURIComponent(redirectPath as string)
        const { paramsObject: query } = parseURL(redirect)
        const nextData = to.path === redirect ? { ...to, replace: true } : { path: redirect, query }
        next(nextData)
      } else {
        next()
      }
    }
  } else {
    if (whiteList.indexOf(to.path) !== -1) {
      next()
    } else {
      next(`/login?redirect=${encodeURIComponent(to.fullPath)}`)
    }
  }
})

router.afterEach((to) => {
  useTitle(to?.meta?.title as string)
  done() // 结束Progress
  loadDone()
})