import router from './router'
import store from './store'
import { Message } from 'element-ui'
import NProgress from 'nprogress'
import 'nprogress/nprogress.css'
import { getToken, setToken } from '@/utils/auth'
import { isPathMatch } from '@/utils/validate'
import { isRelogin } from '@/utils/request'
import { extractPrefix } from '@/utils/common'

// 政务登录接口
import { governmentGetInfo } from '@/api/login/index'

NProgress.configure({ showSpinner: false })

const whiteList = ['/login', '/register']

const isWhiteList = (path) => {
  return whiteList.some(pattern => isPathMatch(pattern, path))
}

router.beforeEach((to, from, next) => {
  if (!extractPrefix(to.path)) {
    store.commit("SET_CRUMBS", false);
  }

  NProgress.start()

  //政务登录
  const url = window.location.href

  // 检查是否包含政务平台返回的关键参数
  const hasUserToken = url.includes('userToken=')
  const hasSignature = url.includes('signature=')
  const hasTimespan = url.includes('timespan=')

  if (hasUserToken && hasSignature && hasTimespan) {
    const regUserToken = /[?&]userToken=([^&#]+)/
    const regSignature = /[?&]signature=([^&#]+)/
    const regTimespan = /[?&]timespan=([^&#]+)/

    const userTokenMatch = url.match(regUserToken)
    const signatureMatch = url.match(regSignature)
    const timespanMatch = url.match(regTimespan)

    const userToken = userTokenMatch ? userTokenMatch[1] : null
    const signature = signatureMatch ? signatureMatch[1] : null
    const timespan = timespanMatch ? timespanMatch[1] : null

    if (userToken && signature && timespan) {
      // 调用政务系统登录接口
      governmentGetInfo({
        userToken,
        signature,
        timespan
      }).then(res => {
        // 假设 res.token 是返回的 token
        const token = res.token
        if (token) {
          setToken(token) // 存储 token
          localStorage.setItem('otherToken', userToken)

          // 清除 URL 中的敏感参数
          const cleanUrl = url
            .replace(regUserToken, '')
            .replace(regSignature, '')
            .replace(regTimespan, '')
            .replace(/^&/, '?')

          window.history.replaceState({}, '', cleanUrl) 

          // 继续路由守卫流程
          if (store.getters.roles.length === 0) {
            isRelogin.show = true
            store.dispatch('GetInfo').then(() => {
              isRelogin.show = false
              store.dispatch('GenerateRoutes').then(accessRoutes => {
                router.addRoutes(accessRoutes)
                next({ ...to, replace: true })
              })
            }).catch(err => {
              store.dispatch('LogOut').then(() => {
                Message.error(err)
                next({ path: '/' })
              })
            })
          } else {
            next()
          }
        }
      }).catch(err => {
        console.error('政务系统登录失败:', err)
        Message.error('政务系统登录失败，请重新登录')
      })
    } else {
      Message.error('缺少必要的登录参数')
      next(`/login?redirect=${encodeURIComponent(to.fullPath)}`)
    }
    return
  }



  //原来的登录逻辑
  const token = getToken()

  if (token) {
    to.meta.title && store.dispatch('settings/setTitle', to.meta.title)
    if (to.path === '/login') {
      next({ path: '/' })
      NProgress.done()
    } else if (isWhiteList(to.path)) {
      next()
    } else {
      if (store.getters.roles.length === 0) {
        isRelogin.show = true
        store.dispatch('GetInfo').then(() => {
          isRelogin.show = false
          store.dispatch('GenerateRoutes').then(accessRoutes => {
            router.addRoutes(accessRoutes)
            next({ ...to, replace: true })
          })
        }).catch(err => {
          store.dispatch('LogOut').then(() => {
            Message.error(err)
            next({ path: '/' })
          })
        })
      } else {
        next()
      }
    }
  } else {
    if (isWhiteList(to.path)) {
      next()
    } else {
      next(`/login?redirect=${encodeURIComponent(to.fullPath)}`)
      NProgress.done()
    }
  }
})

router.afterEach(() => {
  NProgress.done()
})