import {
  constantRoutes
} from '@/router'

/**
 * Use meta.role to determine if the current user has permission
 * @param roles
 * @param route
 */
function hasPermission(roles, route) {
  if (route.meta && route.meta.roles) {
    return roles.some(role => route.meta.roles.includes(role))
  } else {
    return true
  }
}

/**
 * Filter asynchronous routing tables by recursion
 * @param routes asyncRoutes
 * @param roles
 */
export function filterAsyncRoutes(routes, roles) {
  const res = []

  routes.forEach(route => {
    const tmp = {
      ...route
    }
    if (hasPermission(roles, tmp)) {
      if (tmp.children) {
        tmp.children = filterAsyncRoutes(tmp.children, roles)
      }
      res.push(tmp)
    }
  })

  return res
}

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

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

const actions = {
  generateRoutes({
    commit
  }, menueList) {
    return new Promise(resolve => {
      const accessedRoutes = menueList
      /* if (roles.includes('admin')) {
        accessedRoutes = asyncRoutes || []
      } else {
        accessedRoutes = filterAsyncRoutes(asyncRoutes, roles)
      } */

      /*  accessedRoutes = [{
	  				path: '/documentation',
	  				component: "Layout",
	  				children: [
	  				  {
	  					path: '/index',
	  					component:'/views/documentation/index',
	  					name: 'Documentation',
	  					meta: { title: 'Documentation', icon: 'documentation', affix: true }
	  				  },
	  						  {
	  						  		  					path: '/index',
	  						  		  					component:'/views/documentation/index',
	  						  		  					name: 'Documentation',
	  						  		  					meta: { title: 'Documentation', icon: 'documentation', affix: true }
	  						  }
	  				]
	  			  },{
	  				path: '/documentation',
	  				component: "Layout",
	  						children:[]
	  						}
	  					  ]; */

      commit('SET_ROUTES', menueList)
      resolve(accessedRoutes)
    })
  }
}

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