<template>
    <div class="list-view">
        <div class="filters-container">
            <!-- <el-input placeholder="标题" v-model="search" clearable class="filter-item"></el-input>
            <el-select v-model="mainType" clearable filterable placeholder="类型" class="filter-item">
                <el-option v-for="item in mainTypeOptions" :key="item.name" :label="item.name" :value="item.name">
                </el-option>
            </el-select>
            <el-button @click="getData" type="primary" icon="el-icon-search" class="filter-item">搜索 </el-button>
            <el-button @click="addRow" type="primary" icon="el-icon-plus" class="filter-item">添加 </el-button>
            <el-button
                @click="download"
                type="primary"
                icon="el-icon-download"
                :loading="downloading"
                class="filter-item"
                >导出EXCEL
            </el-button> -->
        </div>
        <el-table
            :data="tableData"
            row-key="id"
            ref="table"
            header-row-class-name="table-header-row"
            header-cell-class-name="table-header-cell"
            row-class-name="table-row"
            cell-class-name="table-cell"
            :height="tableHeight"
            v-loading="fetchingData"
        >
            <el-table-column v-if="multipleMode" align="center" type="selection" width="50"> </el-table-column>
            <el-table-column prop="id" label="ID" width="100"> </el-table-column>
            <el-table-column prop="title" label="标题" :show-overflow-tooltip="true"> </el-table-column>
            <el-table-column prop="cover" label="封面" width="60px">
                <template slot-scope="{ row }">
                    <el-image
                        v-if="row.cover"
                        style="width: 30px; height: 30px"
                        :src="row.cover"
                        fit="cover"
                        :preview-src-list="[row.cover]"
                    ></el-image>
                </template>
            </el-table-column>
            <el-table-column prop="publish" label="发布" min-width="60" align="center">
                <template v-slot="{ row }">
                    <el-tag type="success" v-if="row.publish">是</el-tag>
                    <el-tag type="info" v-else>否</el-tag>
                </template>
            </el-table-column>
            <el-table-column prop="mainType" label="类型"> </el-table-column>
            <el-table-column prop="subType" label="子类型"> </el-table-column>
            <el-table-column prop="createdAt" label="发布日期" width="150"> </el-table-column>
            <el-table-column prop="status" label="状态" :formatter="statusFormatter"> </el-table-column>
            <el-table-column label="操作" align="center" fixed="right" width="150">
                <template slot-scope="{ row }">
                    <el-button @click="editRow(row)" type="primary" size="mini" plain>编辑</el-button>
                    <el-button @click="deleteRow(row)" type="danger" size="mini" plain>删除</el-button>
                </template>
            </el-table-column>
        </el-table>
        <div class="pagination-wrapper">
            <el-pagination
                background
                @size-change="onSizeChange"
                @current-change="onCurrentChange"
                :current-page="page"
                :page-sizes="[10, 20, 30, 40, 50]"
                :page-size="pageSize"
                layout="total, sizes, prev, pager, next, jumper"
                :total="totalElements"
            >
            </el-pagination>
        </div>
    </div>
</template>
<script>
import { mapState } from 'vuex';
import pageableTable from '@/mixins/pageableTable';
export default {
    name: 'ArticleList',
    mixins: [pageableTable],
    data() {
        return {
            multipleMode: false,
            search: '',
            url: '/article/all',
            downloading: false,
            sortStr: 'createdAt,desc',
            query: {},
            statusOptions: [
                { label: '待审核', value: 'PENDING' },
                { label: '审核通过', value: 'PASS' },
                { label: '审核失败', value: 'DENY' }
            ],
            mainType: '政策法规',
            mainTypeOptions: []
            // selectId: 0
        };
    },
    created() {
        this.$http.get('/articleType/all', { size: 10000, query: { level: 1 } }).then(res => {
            this.mainTypeOptions = res.content;
        });
    },
    computed: {
        selection() {
            return this.$refs.table.selection.map(i => i.id);
        }
    },
    methods: {
        statusFormatter(row, column, cellValue, index) {
            let selectedOption = this.statusOptions.find(i => i.value === cellValue);
            if (selectedOption) {
                return selectedOption.label;
            }
            return '';
        },
        beforeGetData() {
            let data = {
                search: this.search,
                query: {}
            };
            if (this.mainType) {
                data.query.mainType = this.mainType;
            }
            return data;
        },
        toggleMultipleMode(multipleMode) {
            this.multipleMode = multipleMode;
            if (!multipleMode) {
                this.$refs.table.clearSelection();
            }
        },
        addRow() {
            this.$router.push({
                path: '/articleEdit',
                query: {
                    ...this.$route.query
                }
            });
        },
        editRow(row) {
            this.$router.push({
                path: '/articleEdit',
                query: {
                    id: row.id
                }
            });

            // this.$emit('addRow', row);
        },
        download() {
            this.downloading = true;
            this.$axios
                .get('/article/excel', {
                    responseType: 'blob',
                    params: { size: 10000 }
                })
                .then(res => {
                    console.log(res);
                    this.downloading = false;
                    const downloadUrl = window.URL.createObjectURL(new Blob([res.data]));
                    const link = document.createElement('a');
                    link.href = downloadUrl;
                    link.setAttribute(
                        'download',
                        decodeURIComponent(res.headers['content-disposition'].split('filename=')[1])
                    );
                    document.body.appendChild(link);
                    link.click();
                    link.remove();
                })
                .catch(e => {
                    console.log(e);
                    this.downloading = false;
                    this.$message.error(e.error);
                });
        },
        operation1() {
            this.$notify({
                title: '提示',
                message: this.selection
            });
        },
        operation2() {
            this.$message('操作2');
        },
        deleteRow(row) {
            this.$alert('删除将无法恢复，确认要删除么？', '警告', { type: 'error' })
                .then(() => {
                    return this.$http.post(`/article/del/${row.id}`);
                })
                .then(() => {
                    this.$message.success('删除成功');
                    this.getData();
                })
                .catch(e => {
                    if (e !== 'cancel') {
                        this.$message.error(e.error);
                    }
                });
        }
    }
};
</script>
<style lang="less" scoped></style>
