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

NProgress.configure({ showSpinner: false })

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

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

// 初始化系统设置（登录时调用）
const initSystemSettings = () => {
  const SYSTEM_SETTINGS_KEY = "systemSettings";
  try {
    const savedSettings = localStorage.getItem(SYSTEM_SETTINGS_KEY);
    if (!savedSettings) {
      // 获取版本号
      const version = store.getters.loginInfo?.upgrade_data?.version || "V01.01.16";
      const defaultPath = `D:\\RUS_${version}\\HiUTalkStore`;
      // 初始化默认设置
      const defaultSettings = {
        basicForm: {
          notification: true,
          sendKey: "enter",
          videoPath: defaultPath,
          cachePath: defaultPath,
        },
        audioForm: {
          autoGain: true,
          echoCancel: true,
          noiseReduction: true,
        },
        otherForm: {
          signature: null,
          skipEvaluation: false,
        },
      };
      localStorage.setItem(SYSTEM_SETTINGS_KEY, JSON.stringify(defaultSettings));
      console.log("系统设置初始化完成");
    }
  } catch (e) {
    console.error("初始化系统设置失败:", e);
  }
}

router.beforeEach((to, from, next) => {
  NProgress.start()
  
  // 检查是否是新会话（浏览器新打开）
  const isNewSession = !sessionStorage.getItem('sessionInitialized')
  
  if (isNewSession) {
    // 新会话：清除所有登录状态，强制跳转到登录页
    sessionStorage.setItem('sessionInitialized', 'true')
    store.dispatch('LogOut').then(() => {
      if (to.path !== '/login') {
        next(`/login?redirect=${encodeURIComponent(to.fullPath)}`)
      } else {
        next()
      }
      NProgress.done()
    })
    return
  }
  
  if (getToken()) {
    to.meta.title && store.dispatch('settings/setTitle', to.meta.title)
    const isLock = store.getters.isLock
    /* has token*/
    if (to.path === '/login') {
      next({ path: '/' })
      NProgress.done()
    } else if (isWhiteList(to.path)) {
      next()
    } else if (isLock && to.path !== '/lock') {
      next({ path: '/lock' })
      NProgress.done()
    } else if (!isLock && to.path === '/lock') {
      next({ path: '/' })
      NProgress.done()
    } else {
      if (store.getters.roles.length === 0) {
        isRelogin.show = true
        // 判断当前用户是否已拉取完user_info信息
        store.dispatch('GetNetConfig').then(res => {
          store.dispatch('GetInfo').then(() => {
            isRelogin.show = false
            // 初始化系统设置（包括视讯存储路径和缓存路径）
            initSystemSettings()
            store.dispatch('GenerateRoutes').then(accessRoutes => {
              // 根据roles权限生成可访问的路由表
              router.addRoutes(accessRoutes) // 动态添加可访问路由表
              next({ ...to, replace: true }) // hack方法 确保addRoutes已完成
            })
          })
        }).catch(err => {
          store.dispatch('LogOut').then(() => {
            Message.error(err)
            next({ path: '/' })
          })
        })
      } else {
        next()
      }
    }
  } else {
    // 没有token
    if (isWhiteList(to.path)) {
      // 在免登录白名单，直接进入
      next()
    } else {
      next(`/login?redirect=${encodeURIComponent(to.fullPath)}`) // 否则全部重定向到登录页
      NProgress.done()
    }
  }
})

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