<template>
    <div class="sidebar">
        <el-menu
            class="sidebar-el-menu"
            :default-active="onRoutes"
            :collapse="collapse"
            background-color="#324157"
            text-color="#bfcbd9"
            active-text-color="#20a0ff"
            unique-opened
            router
        >
            <template v-for="item in items">
                <template v-if="item.subs">
                    <el-submenu :index="item.index" :key="item.index">
                        <template slot="title">
                            <i :class="item.icon"></i>
                            <span slot="title">{{ item.title }}</span>
                        </template>
                        <template v-for="subItem in item.subs">
                            <el-submenu
                                v-if="subItem.subs"
                                :index="subItem.index"
                                :key="subItem.index"
                            >
                                <template slot="title">{{ subItem.title }}</template>
                                <el-menu-item
                                    v-for="(threeItem,i) in subItem.subs"
                                    :key="i"
                                    :index="threeItem.index"
                                >{{ threeItem.title }}</el-menu-item>
                            </el-submenu>
                            <el-menu-item
                                v-else
                                :index="subItem.index"
                                :key="subItem.index"
                            >{{ subItem.title }}</el-menu-item>
                        </template>
                    </el-submenu>
                </template>
                <template v-else>
                    <el-menu-item :index="item.index" :key="item.index">
                        <i :class="item.icon"></i>
                        <span slot="title">{{ item.title }}</span>
                    </el-menu-item>
                </template>
            </template>
        </el-menu>
    </div>
</template>

<script>
import bus from '../common/bus';
export default {
    data() {
        return {
            collapse: false,
            userrole:localStorage.getItem('ms_userrole'),
            items:[],
            author_items: [
                {
                    icon: 'el-icon-lx-home',
                    index: 'dashboard',
                    title: this.$t('sidebar.main')
                },
                {
                    icon: 'el-icon-lx-cascades',
                    index: '1',
                    title: this.$t('sidebar.author'),
                    subs:[
                        {
                            index:'articleList',
                            title:this.$t('sidebar.author1')
                        },
                        {
                            index:'articleAdd',
                            title:this.$t('sidebar.author2')
                        }
                    ]
                },
                {
                    icon: 'el-icon-user',
                    index: '2',
                    title: this.$t('sidebar.reviewerArticle'),
                    subs:[
                        {
                            index:'authorApplyReviewer',
                            title:this.$t('sidebar.authorApplyReviewer')
                        }
                    ]
                }
            ],
            editor_items:[
                {
                    icon: 'el-icon-lx-home',
                    index: 'dashboard',
                    title: this.$t('sidebar.main')
                },
                {
                    icon: 'el-icon-lx-copy',
                    index: '2',
                    title: this.$t('sidebar.editor'),
                    subs:[
                        {
                            index:'articleListEditor',
                            title:this.$t('sidebar.editor1')
                        }
                    ]
                },
                {
                    icon:'el-icon-s-custom',
                    index:'3',
                    title:this.$t('sidebar.reviewer'),
                    subs:[
                        {
                            index:'reviewerApplyList',
                            title:this.$t('sidebar.reviewer1')
                        },
                        {
                            index:'reviewerList',
                            title:this.$t('sidebar.reviewer2')
                        },
                        {
                            index:'reviewerImport',
                            title:this.$t('sidebar.reviewer3')
                        }
                    ]
                }
            ],
            admin_items:[
                {
                    icon: 'el-icon-lx-home',
                    index: 'dashboard',
                    title: this.$t('sidebar.main')
                },
                {
                    icon: 'el-icon-user',
                    index: '2',
                    title: this.$t('sidebar.editormanage'),
                    subs:[
                        {
                            index:'editorList',
                            title:this.$t('sidebar.editormanage1')
                        },
                        {
                            index:'editorAdd',
                            title:this.$t('sidebar.editormanage2')
                        }
                    ]
                },
                {
                    icon:'el-icon-notebook-1',
                    index:'3',
                    title:this.$t('sidebar.journal'),
                    subs:[
                        {
                            index:'journalList',
                            title:this.$t('sidebar.journal1')
                        },
                        {
                            index:'journalAdd',
                            title:this.$t('sidebar.journal2')
                        }
                    ]
                },
                {
                    icon:'el-icon-search',
                    index:'4',
                    title:this.$t('sidebar.monitor'),
                    subs:[
                        {
                            index:'monitorManuscript',
                            title:this.$t('sidebar.monitor1')
                        },
                    ]

                }
                // {
                //     icon:'el-icon-user-solid',
                //     index:'4',
                //     title:this.$t('sidebar.reviewer'),
                //     subs:[
                //         {
                //             index:'adminImportReviewer',
                //             title:this.$t('sidebar.reviewerimport')
                //         },
                //         {
                //             index:'adminImportreviewerError',
                //             title:this.$t('sidebar.reviewerimporterror')
                //         }
                //     ]
                // }
            ],
            reviewer_items:[
                {
                    icon: 'el-icon-lx-home',
                    index: 'dashboard',
                    title: this.$t('sidebar.main')
                },
                {
                    icon: 'el-icon-lx-cascades',
                    index: '1',
                    title: this.$t('sidebar.author'),
                    subs:[
                        {
                            index:'articleList',
                            title:this.$t('sidebar.author1')
                        },
                        {
                            index:'articleAdd',
                            title:this.$t('sidebar.author2')
                        }
                    ]
                },
                {
                    icon: 'el-icon-user',
                    index: '2',
                    title: this.$t('sidebar.reviewerArticle'),
                    subs:[
                        {
                            index:'reviewerArticleList',
                            title:this.$t('sidebar.reviewerArticle1')
                        }
                    ]
                }

            ]
        };
    },
    computed: {
        onRoutes() {
            return this.$route.path.replace('/', '');
        }
    },
    created() {
        if(this.userrole==1){
            this.items = this.author_items;
        }else if(this.userrole ==2){
            this.items = this.editor_items;
        }else if(this.userrole=='admin'){
            this.items = this.admin_items;
        }else if(this.userrole=='reviewer'){
            this.items = this.reviewer_items;
        }
        // 通过 Event Bus 进行组件间通信，来折叠侧边栏
        bus.$on('collapse', msg => {
            this.collapse = msg;
            bus.$emit('collapse-content', msg);
        });
    }
};
</script>

<style scoped>
.sidebar {
    display: block;
    position: absolute;
    left: 0;
    top: 70px;
    bottom: 0;
    overflow-y: scroll;
}
.sidebar::-webkit-scrollbar {
    width: 0;
}
.sidebar-el-menu:not(.el-menu--collapse) {
    width: 250px;
}
.sidebar > ul {
    height: 100%;
}
</style>
