<template>
  <div class="app-container stock-layout">
    <el-row gutter="0">
      <!-- 左侧树结构 -->
      <el-col :span="5" class="stock-tree-col">
        <el-card shadow="never" class="stock-tree-card">
          <div slot="header" class="stock-tree-title">仓库结构</div>
          <el-tree
            :data="warehouseTreeData"
            :props="treeProps"
            node-key="warehouseId"
            highlight-current
            @node-click="handleTreeSelect"
            :expand-on-click-node="false"
            :default-expand-all="true"
            class="stock-tree"
          />
        </el-card>
      </el-col>
      <!-- 右侧内容 -->
      <el-col :span="19" class="stock-main-col">
        <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch" label-width="68px">
          <!-- 移除仓库筛选项 -->
          <el-form-item label="物品类型" prop="itemType">
            <el-select v-model="queryParams.itemType" placeholder="请选择物品类型" clearable>
              <el-option
                v-for="dict in dict.type.stock_item_type"
                :key="dict.value"
                :label="dict.label"
                :value="dict.value"
              />
            </el-select>
          </el-form-item>
          <el-form-item label="物料" prop="itemId">
            <raw-material-select
              v-if="queryParams.itemType === 'rawMaterial'"
              v-model="queryParams.itemId"
              placeholder="请选择原材料"
              style="width: 100%;"
              clearable
            />
            <product-select
              v-else-if="queryParams.itemType === 'product'"
              v-model="queryParams.itemId"
              placeholder="请选择产品"
              style="width: 100%;"
              clearable
            />
            <el-input
              v-else
              v-model="queryParams.itemId"
              placeholder="请先选择物品类型"
              :disabled="true"
              style="width: 100%;"
            />
          </el-form-item>
          <el-form-item label="单位" prop="unit">
            <el-input
              v-model="queryParams.unit"
              placeholder="请输入单位"
              clearable
              @keyup.enter.native="handleQuery"
            />
          </el-form-item>
          <el-form-item>
            <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
            <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
          </el-form-item>
        </el-form>

        <el-row :gutter="10" class="mb8">
          <el-col :span="1.5">
            <el-button
              type="primary"
              plain
              icon="el-icon-plus"
              size="mini"
              @click="handleAdd"
              v-hasPermi="['wms:stock:add']"
            >新增</el-button>
          </el-col>
          <el-col :span="1.5">
            <el-button
              type="success"
              plain
              icon="el-icon-edit"
              size="mini"
              :disabled="single"
              @click="handleUpdate"
              v-hasPermi="['wms:stock:edit']"
            >修改</el-button>
          </el-col>
          <el-col :span="1.5">
            <el-button
              type="danger"
              plain
              icon="el-icon-delete"
              size="mini"
              :disabled="multiple"
              @click="handleDelete"
              v-hasPermi="['wms:stock:remove']"
            >删除</el-button>
          </el-col>
          <el-col :span="1.5">
            <el-button
              type="warning"
              plain
              icon="el-icon-download"
              size="mini"
              @click="handleExport"
              v-hasPermi="['wms:stock:export']"
            >导出</el-button>
          </el-col>
          <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
        </el-row>

        <el-table v-loading="loading" :data="stockList" @selection-change="handleSelectionChange">
          <el-table-column type="selection" width="55" align="center" />
          <el-table-column label="主键ID" align="center" prop="stockId" v-if="true"/>
          <el-table-column label="物品类型" align="center" prop="itemType">
            <template slot-scope="scope">
              <dict-tag :options="dict.type.stock_item_type" :value="scope.row.itemType"/>
            </template>
          </el-table-column>
          <el-table-column label="物品" align="center" prop="itemName" />
          <el-table-column label="物品编号" align="center" prop="itemCode" />
          <el-table-column label="库存数量" align="center" prop="quantity" />
          <el-table-column label="单位" align="center" prop="unit" />
          <el-table-column label="批次号" align="center" prop="batchNo" />
          <el-table-column label="备注" align="center" prop="remark" />
          <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
            <template slot-scope="scope">
              <el-button
                size="mini"
                type="text"
                icon="el-icon-edit"
                @click="handleUpdate(scope.row)"
                v-hasPermi="['wms:stock:edit']"
              >修改</el-button>
              <el-button
                size="mini"
                type="text"
                icon="el-icon-delete"
                @click="handleDelete(scope.row)"
                v-hasPermi="['wms:stock:remove']"
              >删除</el-button>
            </template>
          </el-table-column>
        </el-table>

        <pagination
          v-show="total>0"
          :total="total"
          :page.sync="queryParams.pageNum"
          :limit.sync="queryParams.pageSize"
          @pagination="getList"
        />

        <!-- 添加或修改库存对话框（保持不变） -->
        <el-dialog :title="title" :visible.sync="open" width="500px" append-to-body>
          <el-form ref="form" :model="form" :rules="rules" label-width="80px">
            <el-form-item label="仓库/库区/库位ID" prop="warehouseId">
              <warehouse-select
                v-model="form.warehouseId"
                placeholder="请选择仓库/库区/库位"
                style="width: 100%;"
                clearable
              />
            </el-form-item>
            <el-form-item label="物品类型" prop="itemType">
              <el-select v-model="form.itemType" placeholder="请选择物品类型">
                <el-option
                  v-for="dict in dict.type.stock_item_type"
                  :key="dict.value"
                  :label="dict.label"
                  :value="dict.value"
                ></el-option>
              </el-select>
            </el-form-item>
            <el-form-item label="物品ID" prop="itemId">
              <raw-material-select
                v-if="form.itemType === 'rawMaterial'"
                v-model="form.itemId"
                placeholder="请选择原材料"
                style="width: 100%;"
                clearable
              />
              <product-select
                v-else-if="form.itemType === 'product'"
                v-model="form.itemId"
                placeholder="请选择产品"
                style="width: 100%;"
                clearable
              />
              <el-input
                v-else
                v-model="form.itemId"
                placeholder="请先选择物品类型"
                :disabled="true"
                style="width: 100%;"
              />
            </el-form-item>
            <el-form-item label="库存数量" prop="quantity">
              <el-input v-model="form.quantity" placeholder="请输入库存数量" />
            </el-form-item>
            <el-form-item label="单位" prop="unit">
              <el-input v-model="form.unit" placeholder="请输入单位" />
            </el-form-item>
            <el-form-item label="批次号" prop="batchNo">
              <el-input v-model="form.batchNo" placeholder="请输入批次号" />
            </el-form-item>
            <el-form-item label="备注" prop="remark">
              <el-input v-model="form.remark" placeholder="请输入备注" />
            </el-form-item>
          </el-form>
          <div slot="footer" class="dialog-footer">
            <el-button :loading="buttonLoading" type="primary" @click="submitForm">确 定</el-button>
            <el-button @click="cancel">取 消</el-button>
          </div>
        </el-dialog>
      </el-col>
    </el-row>
  </div>
</template>

<script>
import { listStock, getStock, delStock, addStock, updateStock } from "@/api/wms/stock";
import { listWarehouse } from "@/api/wms/warehouse";
import RawMaterialSelect from "@/components/KLPService/RawMaterialSelect";
import ProductSelect from "@/components/KLPService/ProductSelect";
import WarehouseSelect from "@/components/WarehouseSelect";

export default {
  name: "Stock",
  dicts: ['stock_item_type'],
  components: {
    WarehouseSelect,
    RawMaterialSelect,
    ProductSelect
  },
  data() {
    return {
      // 按钮loading
      buttonLoading: false,
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 库存：原材料/产品与库区/库位的存放关系表格数据
      stockList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        warehouseId: undefined,
        itemType: undefined,
        itemId: undefined,
        quantity: undefined,
        unit: undefined,
        batchNo: undefined,
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
        warehouseId: [
          { required: true, message: "仓库/库区/库位ID不能为空", trigger: "blur" }
        ],
        itemType: [
          { required: true, message: "物品类型不能为空", trigger: "change" }
        ],
        itemId: [
          { required: true, message: "物品ID不能为空", trigger: "blur" }
        ],
        quantity: [
          { required: true, message: "库存数量不能为空", trigger: "blur" }
        ],
        unit: [
          { required: true, message: "单位不能为空", trigger: "blur" }
        ],
        batchNo: [
          { required: true, message: "批次号不能为空", trigger: "blur" }
        ],
      },
      // 仓库树数据
      warehouseTreeData: [],
      treeProps: {
        children: 'children',
        label: 'warehouseName',
        isLeaf: () => false
      },
    };
  },
  created() {
    this.getWarehouseTree();
    this.getList();
  },
  methods: {
    /** 查询库存：原材料/产品与库区/库位的存放关系列表 */
    getList() {
      this.loading = true;
      listStock(this.queryParams).then(response => {
        this.stockList = response.rows;
        this.total = response.total;
        this.loading = false;
      });
    },
    // 获取仓库树数据
    getWarehouseTree() {
      listWarehouse().then(response => {
        this.warehouseTreeData = this.handleTree(response.data, 'warehouseId', 'parentId');
      });
    },
    // 处理树结构
    handleTree(data, id, parentId) {
      const cloneData = JSON.parse(JSON.stringify(data));
      return cloneData.filter(father => {
        const branchArr = cloneData.filter(child => father[id] === child[parentId]);
        if (branchArr.length > 0) father.children = branchArr;
        return father[parentId] === 0 || father[parentId] === null;
      });
    },
    // 树节点点击
    handleTreeSelect(node) {
      this.queryParams.warehouseId = node.warehouseId;
      this.queryParams.pageNum = 1;
      this.getList();
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        stockId: undefined,
        warehouseId: undefined,
        itemType: undefined,
        itemId: undefined,
        quantity: undefined,
        unit: undefined,
        batchNo: undefined,
        remark: undefined,
        delFlag: undefined,
        createTime: undefined,
        createBy: undefined,
        updateTime: undefined,
        updateBy: undefined
      };
      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();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.stockId)
      this.single = selection.length!==1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加库存：原材料/产品与库区/库位的存放关系";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.loading = true;
      this.reset();
      const stockId = row.stockId || this.ids
      getStock(stockId).then(response => {
        this.loading = false;
        this.form = response.data;
        this.open = true;
        this.title = "修改库存：原材料/产品与库区/库位的存放关系";
      });
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          this.buttonLoading = true;
          if (this.form.stockId != null) {
            updateStock(this.form).then(response => {
              this.$modal.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            }).finally(() => {
              this.buttonLoading = false;
            });
          } else {
            addStock(this.form).then(response => {
              this.$modal.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            }).finally(() => {
              this.buttonLoading = false;
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const stockIds = row.stockId || this.ids;
      this.$modal.confirm('是否确认删除库存：原材料/产品与库区/库位的存放关系编号为"' + stockIds + '"的数据项？').then(() => {
        this.loading = true;
        return delStock(stockIds);
      }).then(() => {
        this.loading = false;
        this.getList();
        this.$modal.msgSuccess("删除成功");
      }).catch(() => {
      }).finally(() => {
        this.loading = false;
      });
    },
    /** 导出按钮操作 */
    handleExport() {
      this.download('wms/stock/export', {
        ...this.queryParams
      }, `stock_${new Date().getTime()}.xlsx`)
    }
  }
};
</script>

<style scoped>
.stock-layout {
  height: 100%;
  display: flex;
  flex-direction: row;
}
.stock-tree-col {
  min-width: 220px;
  max-width: 300px;
  background: #fff;
  border-right: 1px solid #f0f0f0;
  height: 100%;
  padding-right: 0;
}
.stock-tree-card {
  height: 100%;
  border: none;
  box-shadow: none;
}
.stock-tree-title {
  font-weight: bold;
  font-size: 16px;
  padding: 8px 0;
}
.stock-tree {
  min-height: 500px;
  max-height: 80vh;
  overflow-y: auto;
}
.stock-main-col {
  padding-left: 24px;
}
</style>
