import auth from '@/plugins/auth'
import router, { constantRoutes, dynamicRoutes } from '@/router'
import { getRouters } from '@/api/menu'
import Layout from '@/layout/index'
import ParentView from '@/components/ParentView'
import InnerLink from '@/layout/components/InnerLink'

// 匹配views里面所有的.vue文件
const modules = import.meta.glob('./../../views/**/*.vue')

const usePermissionStore = defineStore(
  'permission',
  {
    state: () => ({
      routes: [],
      addRoutes: [],
      defaultRoutes: [],
      topbarRouters: [],
      sidebarRouters: []
    }),
    actions: {
      setRoutes(routes) {
        this.addRoutes = routes
        this.routes = constantRoutes.concat(routes)
      },
      setDefaultRoutes(routes) {
        this.defaultRoutes = constantRoutes.concat(routes)
      },
      setTopbarRoutes(routes) {
        this.topbarRouters = routes
      },
      setSidebarRouters(routes) {
        this.sidebarRouters = routes
      },
      generateRoutes(roles) {
        return new Promise(resolve => {
          // 向后端请求路由数据
          getRouters().then(res => {
            res = {
              "msg": "操作成功",
              "code": 200,
              "data": [
                {
                  "name": "System",
                  "path": "/system",
                  "hidden": false,
                  "redirect": "noRedirect",
                  "component": "Layout",
                  "alwaysShow": true,
                  "meta": {
                    "title": "系统管理",
                    "icon": "system",
                    "noCache": false,
                    "link": null
                  },
                  "children": [
                    {
                      "name": "User",
                      "path": "user",
                      "hidden": false,
                      "component": "system/user/index",
                      "meta": {
                        "title": "用户管理",
                        "icon": "user",
                        "noCache": false,
                        "link": null
                      }
                    },
                    {
                      "name": "Role",
                      "path": "role",
                      "hidden": false,
                      "component": "system/role/index",
                      "meta": {
                        "title": "角色管理",
                        "icon": "peoples",
                        "noCache": false,
                        "link": null
                      }
                    },
                    {
                      "name": "Chart",
                      "path": "chart",
                      "hidden": false,
                      "component": "chart/index",
                      "meta": {
                        "title": "chart",
                        "icon": "log",
                        "noCache": false,
                        "link": null
                      },
                      children: [
                        {
                          "name": "User",
                          "path": "user",
                          "hidden": false,
                          "component": "system/user/index",
                          "meta": {
                            "title": "用户管理",
                            "icon": "user",
                            "noCache": false,
                            "link": null
                          }
                        },
                        {
                          "name": "Role",
                          "path": "role",
                          "hidden": false,
                          "component": "system/role/index",
                          "meta": {
                            "title": "角色管理",
                            "icon": "peoples",
                            "noCache": false,
                            "link": null
                          }
                        },
                        {
                          "name": "LoadFromDb",
                          "path": "LoadFromDb",
                          "hidden": false,
                          "component": "chart/pages/LoadFromDb",
                          "meta": {
                            "title": "LoadFromDb",
                            "icon": "log",
                            "noCache": false,
                            "link": null
                          },
                        },
                        {
                          "name": "LoadFromFile",
                          "path": "LoadFromFile",
                          "hidden": false,
                          "component": "chart/pages/LoadFromFile",
                          "meta": {
                            "title": "LoadFromFile",
                            "icon": "log",
                            "noCache": false,
                            "link": null
                          },
                        },
                        {
                          "name": "MarkerMap",
                          "path": "MarkerMap",
                          "hidden": false,
                          "component": "chart/pages/MarkerMap",
                          "meta": {
                            "title": "MarkerMap",
                            "icon": "log",
                            "noCache": false,
                            "link": null
                          },
                        },
                        {
                          "name": "Calculation",
                          "path": "Calculation",
                          "hidden": false,
                          "component": "chart/pages/Calculation",
                          "meta": {
                            "title": "Calculation",
                            "icon": "log",
                            "noCache": false,
                            "link": null
                          },
                        },
                        {
                          "name": "Configure",
                          "path": "Configure",
                          "hidden": false,
                          "component": "chart/pages/Configure",
                          "meta": {
                            "title": "Configure",
                            "icon": "log",
                            "noCache": false,
                            "link": null
                          },
                        },
                        {
                          "name": "Reports",
                          "path": "Reports",
                          "hidden": false,
                          "component": "chart/pages/Reports",
                          "meta": {
                            "title": "Reports",
                            "icon": "log",
                            "noCache": false,
                            "link": null
                          },
                        },
                        {
                          "name": "WindMap",
                          "path": "WindMap",
                          "hidden": false,
                          "component": "chart/pages/WindMap",
                          "meta": {
                            "title": "WindMap",
                            "icon": "log",
                            "noCache": false,
                            "link": null
                          },
                        },
                        {
                          "name": "WeatherData",
                          "path": "WeatherData",
                          "hidden": false,
                          "component": "chart/pages/WeatherData",
                          "meta": {
                            "title": "WeatherData",
                            "icon": "log",
                            "noCache": false,
                            "link": null
                          },
                        },
                        {
                          "name": "Dataset",
                          "path": "Dataset",
                          "hidden": false,
                          "component": "chart/pages/Dataset",
                          "meta": {
                            "title": "Dataset",
                            "icon": "log",
                            "noCache": false,
                            "link": null
                          },
                        },
                        {
                          "name": "Predict",
                          "path": "Predict",
                          "hidden": false,
                          "component": "chart/pages/Predict",
                          "meta": {
                            "title": "Predict",
                            "icon": "log",
                            "noCache": false,
                            "link": null
                          },
                        },
                        {
                          "name": "ConfigureChart",
                          "path": "ConfigureChart",
                          "hidden": false,
                          "component": "chart/pages/ConfigureChart",
                          "meta": {
                            "title": "ConfigureChart",
                            "icon": "log",
                            "noCache": false,
                            "link": null
                          },
                        },
                        {
                          "name": "MonitorResult",
                          "path": "MonitorResult",
                          "hidden": false,
                          "component": "chart/pages/MonitorResult",
                          "meta": {
                            "title": "MonitorResult",
                            "icon": "log",
                            "noCache": false,
                            "link": null
                          },
                        },
                      ]
                    }
                  ]
                },
              ]
            }

            const sdata = JSON.parse(JSON.stringify(res.data))
            const rdata = JSON.parse(JSON.stringify(res.data))
            const defaultData = JSON.parse(JSON.stringify(res.data))
            const sidebarRoutes = filterAsyncRouter(sdata)
            const rewriteRoutes = filterAsyncRouter(rdata, false, true)
            const defaultRoutes = filterAsyncRouter(defaultData)
            const asyncRoutes = filterDynamicRoutes(dynamicRoutes)
            asyncRoutes.forEach(route => { router.addRoute(route) })
            this.setRoutes(rewriteRoutes)
            this.setSidebarRouters(constantRoutes.concat(sidebarRoutes))
            this.setDefaultRoutes(sidebarRoutes)
            this.setTopbarRoutes(defaultRoutes)
            resolve(rewriteRoutes)
          })
        })
      }
    }
  })

// 遍历后台传来的路由字符串，转换为组件对象
function filterAsyncRouter(asyncRouterMap, lastRouter = false, type = false) {
  return asyncRouterMap.filter(route => {
    if (type && route.children) {
      route.children = filterChildren(route.children)
    }
    if (route.component) {
      // Layout ParentView 组件特殊处理
      if (route.component === 'Layout') {
        route.component = Layout
      } else if (route.component === 'ParentView') {
        route.component = ParentView
      } else if (route.component === 'InnerLink') {
        route.component = InnerLink
      } else {
        route.component = loadView(route.component)
      }
    }
    if (route.children != null && route.children && route.children.length) {
      route.children = filterAsyncRouter(route.children, route, type)
    } else {
      delete route['children']
      delete route['redirect']
    }
    return true
  })
}

function filterChildren(childrenMap, lastRouter = false) {
  var children = []
  childrenMap.forEach(el => {
    el.path = lastRouter ? lastRouter.path + '/' + el.path : el.path
    if (el.children && el.children.length && el.component === 'ParentView') {
      children = children.concat(filterChildren(el.children, el))
    } else {
      children.push(el)
    }
  })
  return children
}

// 动态路由遍历，验证是否具备权限
export function filterDynamicRoutes(routes) {
  const res = []
  routes.forEach(route => {
    if (route.permissions) {
      if (auth.hasPermiOr(route.permissions)) {
        res.push(route)
      }
    } else if (route.roles) {
      if (auth.hasRoleOr(route.roles)) {
        res.push(route)
      }
    }
  })
  return res
}

export const loadView = (view) => {
  let res
  for (const path in modules) {
    const dir = path.split('views/')[1].split('.vue')[0]
    if (dir === view) {
      res = () => modules[path]()
    }
  }
  return res
}

export default usePermissionStore