<template>
    <div class="iot-category">
        <el-card v-show="showSearch" style="margin-bottom: 10px">
            <el-form :model="queryParams" ref="queryForm" :inline="true" size="mini" label-width="76px" style="margin-bottom: -18px">
                <el-form-item :label="$t('product.index.091251-2')" prop="categoryName">
                    <el-input v-model="queryParams.categoryName" :placeholder="$t('product.index.091251-3')" clearable @keyup.enter.native="handleQuery" />
                </el-form-item>
                <el-form-item style="float: right">
                    <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">{{ $t('search') }}</el-button>
                    <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">{{ $t('reset') }}</el-button>
                </el-form-item>
            </el-form>
        </el-card>

        <el-card>
            <el-row :gutter="10" style="margin-bottom: 15px">
                <el-col :span="1.5">
                    <el-button type="primary" plain icon="el-icon-plus" size="mini" @click="handleAdd" v-hasPermi="['iot:category:add']">{{ $t('add') }}</el-button>
                </el-col>
                <el-col :span="1.5">
                    <el-button type="info" plain icon="el-icon-sort" size="mini" @click="toggleExpandAll">{{ $t('role.index.094567-18') }}</el-button>
                </el-col>
                <el-col :span="1.5" style="line-height: 28px">
                    <el-checkbox v-model="queryParams.showSenior" style="margin: 0 10px" @change="handleQuery">{{ $t('product.index.091251-8') }}</el-checkbox>
                    <el-tooltip :content="$t('product.index.091251-9')" placement="top"><i class="el-icon-question"></i></el-tooltip>
                </el-col>
                <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
            </el-row>

            <el-table v-if="refreshTable" v-loading="loading" :data="categoryList" :border="false" row-key="categoryId" :default-expand-all="isExpandAll" :tree-props="{ children: 'children', hasChildren: 'hasChildren' }">
                <el-table-column :label="$t('product.category.142342-0')" align="left" prop="categoryName" min-width="250" />
                <el-table-column :label="$t('product.category.142342-12')" align="center" prop="industryCode" width="150" />
                <el-table-column :label="$t('template.index.891112-12')" align="center" prop="isSys" width="100">
                    <template slot-scope="scope">
                        <dict-tag :options="dict.type.iot_yes_no" :value="scope.row.isSys" />
                    </template>
                </el-table-column>
                <el-table-column :label="$t('product.category.142342-1')" align="center" prop="orderNum" width="100" />
                <el-table-column :label="$t('creatTime')" align="center" prop="createTime" width="160">
                    <template slot-scope="scope">
                        <span>{{ parseTime(scope.row.createTime, '{y}-{m}-{d}') }}</span>
                    </template>
                </el-table-column>
                <el-table-column :label="$t('remark')" align="left" header-align="center" prop="remark" min-width="150" />
                <el-table-column :label="$t('opation')" align="center" class-name="small-padding fixed-width" width="150">
                    <template slot-scope="scope">
                        <el-button size="small" type="text" icon="el-icon-view" @click="handleUpdate(scope.row)" v-hasPermi="['iot:category:query']" v-if="scope.row.isSys == '0' ? true : !isTenant">
                            {{ $t('look') }}
                        </el-button>
                        <el-button size="small" type="text" icon="el-icon-delete" @click="handleDelete(scope.row)" v-hasPermi="['iot:category:remove']" v-if="scope.row.isSys == '0' ? true : !isTenant">
                            {{ $t('del') }}
                        </el-button>
                        <span style="font-size: 10px; color: #999" v-if="scope.row.isSys == '1' && isTenant">{{ $t('template.index.891112-21') }}</span>
                    </template>
                </el-table-column>
            </el-table>

            <pagination style="margin-bottom: 20px" v-show="total > 0" :total="total" :page.sync="queryParams.pageNum" :limit.sync="queryParams.pageSize" @pagination="getList" />
        </el-card>

        <!-- 添加或修改产品分类对话框 -->
        <el-dialog :title="$t('product.index.091251-2')" :visible.sync="open" width="500px" append-to-body>
            <el-form ref="form" :model="form" :rules="rules" label-width="80px">
                <el-row>
                    <el-col :span="24">
                        <el-form-item :label="$t('product.category.142342-9')" prop="parentId">
                            <treeselect v-model="form.parentId" :options="categoryOptions" :normalizer="normalizer" :placeholder="$t('product.category.142342-10')" :max-height="300" :searchable="true" />
                        </el-form-item>
                    </el-col>
                </el-row>
                <el-form-item :label="$t('product.index.091251-2')" prop="categoryName">
                    <el-input v-model="form.categoryName" :placeholder="$t('product.index.091251-3')" />
                </el-form-item>
                <el-form-item :label="$t('product.category.142342-12')" prop="industryCode">
                    <el-input v-model="form.industryCode" :placeholder="$t('product.category.142342-13')" />
                </el-form-item>
                <el-form-item :label="$t('product.category.142342-1')" prop="orderNum">
                    <el-input-number controls-position="right" v-model="form.orderNum" type="number" :placeholder="$t('product.category.142342-2')" style="width: 100%" />
                </el-form-item>
                <el-form-item :label="$t('remark')" prop="remark">
                    <el-input v-model="form.remark" type="textarea" :placeholder="$t('product.category.142342-3')" />
                </el-form-item>
            </el-form>
            <div slot="footer" class="dialog-footer">
                <el-button type="primary" @click="submitForm" v-hasPermi="['iot:category:edit']" v-show="form.categoryId">{{ $t('update') }}</el-button>
                <el-button type="primary" @click="submitForm" v-hasPermi="['iot:category:add']" v-show="!form.categoryId">{{ $t('add') }}</el-button>
                <el-button @click="cancel">{{ $t('cancel') }}</el-button>
            </div>
        </el-dialog>
    </div>
</template>

<script>
import { listCategory, getCategory, delCategory, addCategory, updateCategory } from '@/api/iot/category';
import Treeselect from '@riophae/vue-treeselect';
import '@riophae/vue-treeselect/dist/vue-treeselect.css';

export default {
    name: 'Category',
    dicts: ['iot_yes_no'],
    components: { Treeselect },
    data() {
        return {
            // 是否为租户
            isTenant: false,
            // 遮罩层
            loading: true,
            // 显示搜索条件
            showSearch: true,
            // 总条数
            total: 0,
            // 产品分类表格数据
            categoryList: [],
            // 分类树选项
            categoryOptions: [],
            // 弹出层标题
            title: '',
            // 是否显示弹出层
            open: false,
            // 是否展开，默认全部展开
            isExpandAll: true,
            // 重新渲染表格状态
            refreshTable: true,
            // 查询参数
            queryParams: {
                showSenior: false,
                pageNum: 1,
                pageSize: 20,
                categoryName: null,
                isSys: null,
            },
            // 表单参数
            form: {},
            // 表单校验
            rules: {
                categoryName: [
                    {
                        required: true,
                        message: this.$t('product.category.142342-4'),
                        trigger: 'blur',
                    },
                ],
                industryCode: [
                    {
                        required: true,
                        message: this.$t('product.category.142342-14'),
                        trigger: 'blur',
                    },
                ],
                isSys: [
                    {
                        required: true,
                        message: this.$t('product.category.142342-5'),
                        trigger: 'blur',
                    },
                ],
            },
        };
    },
    created() {
        this.getList();
        this.init();
    },
    methods: {
        init() {
            if (this.$store.state.user.roles.indexOf('tenant') !== -1) {
                this.isTenant = true;
            }
        },
        /** 查询产品分类列表 */
        getList() {
            this.loading = true;
            listCategory(this.queryParams).then((response) => {
                this.categoryList = this.handleTree(response.rows, 'categoryId');
                this.total = response.total;
                this.loading = false;
            });
        },
        /** 转换树形结构 */
        handleTree(data, id) {
            const tree = [];
            const map = {};
            
            data.forEach(item => {
                map[item[id]] = item;
            });
            
            data.forEach(item => {
                const parent = map[item.parentId];
                if (parent) {
                    if (!parent.children) {
                        parent.children = [];
                    }
                    parent.children.push(item);
                } else {
                    tree.push(item);
                }
            });
            
            return tree;
        },
        /** 展开/折叠操作 */
        toggleExpandAll() {
            this.refreshTable = false;
            this.isExpandAll = !this.isExpandAll;
            this.$nextTick(() => {
                this.refreshTable = true;
            });
        },
        /** 转换分类数据结构 */
        normalizer(node) {
            if (node.children && !node.children.length) {
                delete node.children;
            }
            return {
                id: node.categoryId,
                label: node.categoryName,
                children: node.children,
            };
        },
        // 取消按钮
        cancel() {
            this.open = false;
            this.reset();
        },
        // 表单重置
        reset() {
            this.form = {
                categoryId: null,
                categoryName: null,
                tenantId: null,
                tenantName: null,
                isSys: null,
                parentId: null,
                industryCode: null,
                orderNum: null,
                delFlag: null,
                createBy: null,
                createTime: null,
                updateBy: null,
                updateTime: null,
                remark: null,
            };
            this.resetForm('form');
        },
        /** 搜索按钮操作 */
        handleQuery() {
            this.queryParams.pageNum = 1;
            this.getList();
        },
        /** 重置按钮操作 */
        resetQuery() {
            this.resetForm('queryForm');
            this.handleQuery();
        },

        /** 新增按钮操作 */
        handleAdd(row) {
            this.reset();
            if (row != undefined) {
                this.form.parentId = row.categoryId;
            }
            this.open = true;
            this.title = this.$t('product.category.142342-6');
            const params = {
                pageSize: 9999 // 确保加载所有分类
            };
            listCategory(params).then((response) => {
                this.categoryOptions = this.handleTree(response.rows, 'categoryId');
            });
        },
        /** 修改按钮操作 */
        handleUpdate(row) {
            this.reset();
            // 先加载分类树选项
            const params = {
                pageSize: 9999 // 确保加载所有分类
            };
            listCategory(params).then((categoryResponse) => {
                this.categoryOptions = this.handleTree(categoryResponse.rows, 'categoryId');
                // 再加载分类详情
                getCategory(row.categoryId).then((response) => {
                    this.form = response.data;
                    this.open = true;
                    this.title = this.$t('product.category.142342-7');
                });
            });
        },
        /** 提交按钮 */
        submitForm() {
            this.$refs['form'].validate((valid) => {
                if (valid) {
                    if (this.form.categoryId != null) {
                        updateCategory(this.form).then((response) => {
                            this.$modal.msgSuccess(this.$t('updateSuccess'));
                            this.open = false;
                            this.getList();
                        });
                    } else {
                        addCategory(this.form).then((response) => {
                            this.$modal.msgSuccess(this.$t('addSuccess'));
                            this.open = false;
                            this.getList();
                        });
                    }
                }
            });
        },
        /** 删除按钮操作 */
        handleDelete(row) {
            this.$modal
                .confirm(this.$t('product.category.142342-8', [row.categoryName]))
                .then(function () {
                    return delCategory(row.categoryId);
                })
                .then(() => {
                    this.getList();
                    this.$modal.msgSuccess(this.$t('delSuccess'));
                })
                .catch(() => {});
        },
        /** 导出按钮操作 */
        handleExport() {
            this.download(
                'iot/category/export',
                {
                    ...this.queryParams,
                },
                `category_${new Date().getTime()}.xlsx`
            );
        },
    },
};
</script>

<style lang="scss" scoped>
.iot-category {
    padding: 20px;
}

::v-deep .el-dialog__body {
    border-top: 1px solid #dcdfe6;
    box-sizing: border-box;
    padding: 20px;
}
</style>
