<template>
    <div class="list-view">
        <div class="filters-container">
            <el-input placeholder="输入关键字" v-model="search" clearable class="filter-item"></el-input>
            <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"
        >
            <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="项名"> </el-table-column>
            <el-table-column prop="type.name" label="总表名"> </el-table-column>
            <el-table-column prop="yAxisIndex" label="y轴"> </el-table-column>
            <el-table-column prop="chartType" label="图表类型" :formatter="chartTypeFormatter"> </el-table-column>
            <el-table-column prop="val1" label="南昌市"> </el-table-column>
            <el-table-column prop="val2" label="九江市"> </el-table-column>
            <el-table-column prop="val3" label="景德镇市"> </el-table-column>
            <el-table-column prop="val4" label="萍乡市"> </el-table-column>
            <el-table-column prop="val5" label="新余市"> </el-table-column>
            <el-table-column prop="val6" label="鹰潭市"> </el-table-column>
            <el-table-column prop="val7" label="赣州市"> </el-table-column>
            <el-table-column prop="val8" label="宜春市"> </el-table-column>
            <el-table-column prop="val9" label="上饶市"> </el-table-column>
            <el-table-column prop="val10" label="吉安市"> </el-table-column>
            <el-table-column prop="val11" label="抚州市"> </el-table-column>
            <el-table-column label="操作" align="center" fixed="right" min-width="180">
                <template slot-scope="{ row, $index }">
                    <el-dropdown @command="handleClick($event, $index)">
                        <el-button type="primary" size="mini">
                            分析<i class="el-icon-arrow-down el-icon--right"></i>
                        </el-button>
                        <el-dropdown-menu slot="dropdown">
                            <el-dropdown-item :command="item.value" v-for="item in options" :key="item.value">{{
                                item.name
                            }}</el-dropdown-item>
                        </el-dropdown-menu>
                    </el-dropdown>
                    <el-button style="margin-left: 10px" @click="deleteRow(row)" type="danger" size="mini" plain
                        >删除</el-button
                    >
                </template>
            </el-table-column>
        </el-table>
        <div class="pagination-wrapper">
            <!-- <div class="multiple-mode-wrapper">
                <el-button v-if="!multipleMode" @click="toggleMultipleMode(true)">批量编辑</el-button>
                <el-button-group v-else>
                    <el-button @click="operation1">批量操作1</el-button>
                    <el-button @click="operation2">批量操作2</el-button>
                    <el-button @click="toggleMultipleMode(false)">取消</el-button>
                </el-button-group>
            </div> -->
            <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>

        <el-dialog :title="optionName" center :visible.sync="dialogVisible" width="1000px">
            <summary-charts v-if="dialogVisible" :pageType="summaryType" ref="chart"></summary-charts>
        </el-dialog>
    </div>
</template>
<script>
import { mapState } from 'vuex';
import pageableTable from '@/mixins/pageableTable';
import SummaryCharts from './SummaryCharts.vue';

export default {
    components: { SummaryCharts },
    name: 'SummaryStateList',
    mixins: [pageableTable],
    data() {
        return {
            multipleMode: false,
            search: '',
            url: '/summaryState/all',
            downloading: false,
            chartTypeOptions: [
                { label: '柱状图', value: 'bar' },
                { label: '折线图', value: 'line' },
                { label: '饼状图', value: 'pie' }
            ],
            dialogVisible: false,
            summaryType: 1,
            options: [
                {
                    name: '相关性分析',
                    value: 1
                },
                {
                    name: '方差分析',
                    value: 2
                },
                {
                    name: '因子分析',
                    value: 3
                },
                {
                    name: '主成分分析',
                    value: 4
                },
                {
                    name: '判别分析',
                    value: 5
                },
                {
                    name: '聚类分析',
                    value: 6
                }
            ]
        };
    },
    computed: {
        selection() {
            return this.$refs.table.selection.map(i => i.id);
        },
        optionName() {
            let info = [...this.options].find(item => {
                return item.value == this.summaryType;
            });
            return info ? info.name : '';
        }
    },
    methods: {
        chartTypeFormatter(row, column, cellValue, index) {
            let selectedOption = this.chartTypeOptions.find(i => i.value === cellValue);
            if (selectedOption) {
                return selectedOption.label;
            }
            return '';
        },
        beforeGetData() {
            if (this.search) {
                return { search: this.search };
            }
        },
        toggleMultipleMode(multipleMode) {
            this.multipleMode = multipleMode;
            if (!multipleMode) {
                this.$refs.table.clearSelection();
            }
        },
        addRow() {
            this.$router.push({
                path: '/summaryStateEdit',
                query: {
                    ...this.$route.query
                }
            });
        },
        editRow(row) {
            this.$router.push({
                path: '/summaryStateEdit',
                query: {
                    id: row.id
                }
            });
        },
        handleClick(command, index) {
            console.log(command);
            console.log(index);
            if (index !== 0) {
                this.$message.warning('数据格式与分析方案不匹配，请联系技术部门更新数据结构或提供具体业务分析方案');
            } else {
                this.summaryType = Number(command);
                this.dialogVisible = true;
                this.$nextTick(() => {
                    this.$refs.chart.init();
                });
            }
        },
        download() {
            this.downloading = true;
            this.$axios
                .get('/summaryState/excel', {
                    responseType: 'blob',
                    params: { size: 10000 }
                })
                .then(res => {
                    console.log(res);
                    this.downloading = false;
                    const downloadUrl = window.URL.createObjectURL(new Blob([res.data]));
                    const link = document.createElement('a');
                    link.href = downloadUrl;
                    link.setAttribute('download', res.headers['content-disposition'].split('filename=')[1]);
                    document.body.appendChild(link);
                    link.click();
                    link.remove();
                })
                .catch(e => {
                    console.log(e);
                    this.downloading = false;
                    this.$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(`/summaryState/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>
