import { constantRoutes } from '@/router'
import { permissions } from '@/api/me'
import Layout from '@/layout'
import Nested from '@/layout/nested.vue'
import Wujie from '@/views/wujie'
import SiderbarLayout from '@/layout/SiderbarLayout.vue'

const loadView = (view) => {
  return (resolve) => require([`@/views${view}`], resolve)
}
const componentHandle = (path, route) => {
  if (/^#+/.test(path) && route.pid === 0 && route.children.length <= 1) {
    return Layout
  } else if (/^#+/.test(path) && route.pid === 0 && route.children.length > 1) {
    return SiderbarLayout
  } else if (/^#+/.test(path) && route.pid !== 0) {
    return Nested
  } else if (/^\/./.test(path)) {
    return loadView(path)
  } else {
    return Wujie
  }
}

export function filterAsyncRoutes(routes) {
  const res = []

  routes.forEach(route => {
    if (!route.visible) return
    const tmp = {
      key: `key-${route.id}`,
      path: route.path === '#' ? '' : route.path,
      component: componentHandle(route.path, route),
      name: route.name,
      hidden: !route.visible,
      meta: {
        id: route.id,
        title: route.title,
        icon: route.icon,
        guard: route.guard_name,
        folder: route.folder,
        isModule: !/^\/./.test(route.path),
        // TODO:修改地址
        // moduleUri: /^\/./.test(route.path) ? '' : `https://cz-hjjc.115.langye.net/${route.path}`,
        moduleUri: /^\/./.test(route.path) ? '' : `/${route.path}`,
        moduleName: /^\/./.test(route.path) ? '' : route.path
      }
    }

    if (route.children && route.children instanceof Array && route.children.length > 0) {
      tmp.children = filterAsyncRoutes(route.children)
    }
    res.push(tmp)
  })

  return res
}

const state = {
  routes: [],
  addRoutes: []
}

const mutations = {
  SET_ROUTES: (state, routes) => {
    state.addRoutes = routes
    state.routes = constantRoutes.concat(routes)
  },
  RESET_ADD_ROUTES: (state) => {
    state.addRoutes = []
  }
}

const actions = {
  generateRoutes({ commit }, roles) {
    return new Promise(async(resolve, reject) => {
      try {
        const routes = await permissions()
        const accessedRoutes = filterAsyncRoutes(routes)
        // 把404拦截放在最后匹配
        accessedRoutes.push({ path: '*', redirect: '/404', hidden: true })
        commit('SET_ROUTES', accessedRoutes)
        resolve(accessedRoutes)
      } catch (err) {
        reject(err)
      }
    })
  }
}

export default {
  namespaced: true,
  state,
  mutations,
  actions
}