<script lang="ts" setup>
import { onBeforeUnmount, onMounted, ref } from 'vue'
import Login from './Login.vue'
import { useUserStore } from '@/store/modules/user'
import { usePermissionStore } from '@/store/modules/permission'
import { useAppStore } from '@/store/modules/app'
import { PermissionModeEnum } from '@/enums/appEnum'

const userStore = useUserStore()
const permissionStore = usePermissionStore()
const appStore = useAppStore()
const userId = ref<Nullable<number | string>>(0)

function isBackMode() {
  return appStore.getProjectConfig.permissionMode === PermissionModeEnum.BACK
}

onMounted(() => {
  // 记录当前的UserId
  userId.value = userStore.getUserInfo?.user.id
})

onBeforeUnmount(() => {
  if (userId.value && userId.value !== userStore.getUserInfo.user.id) {
    // 登录的不是同一个用户，刷新整个页面以便丢弃之前用户的页面状态
    document.location.reload()
  }
  else if (isBackMode() && permissionStore.getLastBuildMenuTime === 0) {
    // 后台权限模式下，没有成功加载过菜单，就重新加载整个页面。这通常发生在会话过期后按F5刷新整个页面后载入了本模块这种场景
    document.location.reload()
  }
})
</script>

<template>
  <transition>
    <div class="fixed z-9999999 h-full w-full bg-[var(--component-background)]">
      <Login session-timeout />
    </div>
  </transition>
</template>