import { defineStore } from 'pinia'
import { ConstantStore } from '@/enum/store'
import { ref, computed, onMounted, watch, reactive, watchEffect } from 'vue'
import RootRouter from '@/router'
import { useLocalStorageState } from 'vue-hooks-plus'
import { AppRouter as AppRouterEnum, Emitter } from '@/enum'
import { useEmitter } from '@/hooks/index'
import { useRoute } from 'vue-router'

/**
 * 1. 获取当前路由path
 * 2. 从缓存中获取router， 防止刷新都丢失状态
 * 3. 获取navbar路由list
 *  3.1 根据当前的路由path 反推到最顶级父元素 将其置为常亮
 * 4. 每次点击navbar的路由的时候，将对应的sider第一项展开
 */

const emitter = useEmitter()

const initAppRouterState: Router.RouterRecords = {
  navbar: {
    route: [],
    selectPath: ''
  },
  sider: {
    route: [],
    selectPath: '',
    openKeys: []
  }
}
export const useAppRouter = defineStore(ConstantStore.ROUTER, () => {
  let appRouter = reactive<Router.RouterRecords>(initAppRouterState)

  const route = useRoute()

  const [appRouterState, setAppRouterState] = useLocalStorageState<Router.RouterRecords>(AppRouterEnum.ROUTER, {
    defaultValue: initAppRouterState
  })

  const siderRoutes = computed(() => RootRouter.getRoutes().find(item => item.path === appRouter.navbar!.selectPath)?.children)

  const initAppRouter = () => {
    appRouter.navbar.route = RootRouter.options.routes.map(route => {
      return {
        path: route.path,
        name: route.name
      }
    })

    appRouter.navbar.selectPath = RootRouter.options.routes[0].path

    appRouter.sider.route = siderRoutes.value!

    setAppRouterState(appRouter)
  }

  const changeNavbar = (path: string) => {
    RootRouter.push(path)
    appRouter.navbar.selectPath = path
  }

  watch(
    () => RootRouter.currentRoute.value.path,
    () => {
      appRouter.sider = {
        route: RootRouter.getRoutes().find(item => item.path === appRouter.navbar!.selectPath)?.children as Router.RoutesProps[],
        selectPath: RootRouter.currentRoute.value.path,
        openKeys: [RootRouter.currentRoute.value.matched[1].path]
      }
      setAppRouterState(appRouter)
      emitter.emit(Emitter.NAVBAR)
    }
  )

  appRouter = appRouterState.value as Router.RouterRecords

  if (appRouter.navbar.route.length === 0) {
    initAppRouter()
  }
  return {
    router: appRouter,
    changeNavbar
  }
})