export default {
	namespaced: true,
	state: () => ({
		token:'',
		userInfo:{},
		menusList:[],
		menusTree:[]
	}),
	mutations: {
		setToken(state,val){
			sessionStorage.setItem('user_token',val);
			state.token = val;
		},
		setUserInfo(state,obj){
			sessionStorage.setItem('user_info',JSON.stringify(obj));
			state.userInfo = obj;
		},
		setMenusList(state,arr){
			sessionStorage.setItem('user_menus_list',JSON.stringify(arr));
			state.menusList = arr;
		},
		setMenusTree(state,arr){
			sessionStorage.setItem('user_menus_tree',JSON.stringify(arr));
			state.menusTree = arr;
		},
		clear(state){
			state.token = '';
			state.userInfo = {};
			state.menusList = [];
			state.menusTree = [];
			sessionStorage.removeItem('user_token');
			sessionStorage.removeItem('user_info');
			sessionStorage.removeItem('user_menus_list');
			sessionStorage.removeItem('user_menus_tree');
		}
	},
	actions: {
		
	},
	getters: {
		getToken(state){
			let res = state.token;
			if (!res) {
				let temp = sessionStorage.getItem('user_token');
				if (temp) {
					res = temp;
					state.token = res;
				}
			}
			return res;
		},
		getUserInfo(state){
			let res = state.userInfo;
			if (!res || !res['user_id']) {
				let temp = sessionStorage.getItem('user_info');
				if (temp) {
					try{
						res = JSON.parse(temp);
						state.userInfo = res;
					}catch(e){
						//TODO handle the exception
					}
				}
			}
			return res;
		},
		getMenusList(state,arr){
			let res = state.menusList;
			if (!res || res.length===0) {
				let temp = sessionStorage.getItem('user_menus_list');
				if (temp) {
					try{
						res = JSON.parse(temp);
						state.menusList = res;
					}catch(e){
						//TODO handle the exception
					}
				}
			}
			return res;
		},
		getMenusTree(state,arr){
			let res = state.menusTree;
			if (!res || res.length===0) {
				let temp = sessionStorage.getItem('user_menus_tree');
				if (temp) {
					try{
						res = JSON.parse(temp);
						state.menusTree = res;
					}catch(e){
						//TODO handle the exception
					}
				}
			}
			return res;
		}
	}
}