<template>
  <div style="margin-top: 50px">
    <el-form :model="value" ref="productAttrForm" label-width="120px" style="width: 720px" size="small">
      <el-form-item label="属性类型：">
        <el-select v-model="value.productAttributeCategoryId"
                   placeholder="请选择属性类型"
                   @change="handleProductAttrChange">
          <el-option
            v-for="item in productAttributeCategoryOptions"
            :key="item.value"
            :label="item.label"
            :value="item.value">
          </el-option>
        </el-select>
      </el-form-item>
      <el-form-item label="商品规格：">
        <el-card shadow="never" class="cardBg">
          <div v-for="(productAttr,idx) in selectProductAttr">
            {{productAttr.name}}：
            <el-checkbox-group v-if="productAttr.handAddStatus===0" v-model="selectProductAttr[idx].values">
              <el-checkbox v-for="item in getInputListArr(productAttr.inputList)" :label="item" :key="item"
                           class="littleMarginLeft"></el-checkbox>
            </el-checkbox-group>
            <div v-else>
              <el-checkbox-group v-model="selectProductAttr[idx].values">
                <div v-for="(item,index) in selectProductAttr[idx].options" style="display: inline-block"
                     class="littleMarginLeft">
                  <el-checkbox :label="item" :key="item"></el-checkbox>
                  <el-button type="text" class="littleMarginLeft" @click="handleRemoveProductAttrValue(idx,index)">删除
                  </el-button>
                </div>
              </el-checkbox-group>
              <el-input v-model="addProductAttrValue" style="width: 160px;margin-left: 10px" clearable></el-input>
              <el-button class="littleMarginLeft" @click="handleAddProductAttrValue(idx)">增加</el-button>
            </div>
          </div>
        </el-card>
        <el-table style="width: 100%;margin-top: 20px"
                  :data="value.skuStockList"
                  border>
          <el-table-column
            v-for="(item,index) in selectProductAttr"
            :label="item.name"
            :key="item.id"
            align="center">
            <template slot-scope="scope">
              {{getProductSkuSp(scope.row,index)}}
            </template>
          </el-table-column>
          <el-table-column
            label="销售价格"
            width="80"
            align="center">
            <template slot-scope="scope">
              <el-input v-model="scope.row.price"></el-input>
            </template>
          </el-table-column>
          <el-table-column
            label="商品库存"
            width="80"
            align="center">
            <template slot-scope="scope">
              <el-input v-model="scope.row.stock"></el-input>
            </template>
          </el-table-column>
          <el-table-column
            label="库存预警值"
            width="80"
            align="center">
            <template slot-scope="scope">
              <el-input v-model="scope.row.lowStock"></el-input>
            </template>
          </el-table-column>
          <el-table-column
            label="SKU编号"
            align="center">
            <template slot-scope="scope">
              <el-input v-model="scope.row.skuCode"></el-input>
            </template>
          </el-table-column>
          <el-table-column
            label="操作"
            width="80"
            align="center">
            <template slot-scope="scope">
              <el-button
                type="text"
                @click="handleRemoveProductSku(scope.$index, scope.row)">删除
              </el-button>
            </template>
          </el-table-column>
        </el-table>
        <el-button
          type="primary"
          style="margin-top: 20px"
          @click="handleRefreshProductSkuList">刷新列表
        </el-button>
      </el-form-item>
      <el-form-item label="属性图片：" v-if="hasAttrPic">
        <el-card shadow="never" class="cardBg">
          <div v-for="(item,index) in selectProductAttrPics">
            <span>{{item.name}}:</span>
            <single-upload v-model="item.pic"
                           style="width: 300px;display: inline-block;margin-left: 10px"></single-upload>
          </div>
        </el-card>
      </el-form-item>
      <el-form-item label="商品参数：">
        <el-card shadow="never" class="cardBg">
          <div v-for="(item,index) in selectProductParam" :class="{littleMarginTop:index!==0}">
            <div class="paramInputLabel">{{item.name}}:</div>
            <el-select v-if="item.inputType===1" class="paramInput" v-model="selectProductParam[index].value">
              <el-option
                v-for="item in getParamInputList(item.inputList)"
                :key="item"
                :label="item"
                :value="item">
              </el-option>
            </el-select>
            <el-input v-else class="paramInput" v-model="selectProductParam[index].value"></el-input>
          </div>
        </el-card>
      </el-form-item>
      <el-form-item label="商品相册：">
        <multi-upload v-model="selectProductPics"></multi-upload>
      </el-form-item>
      <el-form-item label="规格参数：">
        <el-tabs v-model="activeHtmlName" type="card">
          <el-tab-pane label="电脑端详情" name="pc">
            <tinymce :width="595" :height="300" v-model="value.detailHtml"></tinymce>
          </el-tab-pane>
          <el-tab-pane label="移动端详情" name="mobile">
            <tinymce :width="595" :height="300" v-model="value.detailMobileHtml"></tinymce>
          </el-tab-pane>
        </el-tabs>
      </el-form-item>
      <el-form-item style="text-align: center">
        <el-button size="medium" @click="handlePrev">上一步，填写商品促销</el-button>
        <el-button type="primary" size="medium" @click="handleNext">下一步，选择商品关联</el-button>
      </el-form-item>
    </el-form>
  </div>
</template>

<script>
  import {fetchList as fetchProductAttrCateList} from '@/api/productAttrCate'
  import {fetchList as fetchProductAttrList} from '@/api/productAttr'
  import SingleUpload from '@/components/Upload/singleUpload'
  import MultiUpload from '@/components/Upload/multiUpload'
  import Tinymce from '@/components/Tinymce'

  export default {
    name: "addProductAttr",
    components: {SingleUpload, MultiUpload, Tinymce},
    props: {
      value: Object
    },
    data() {
      return {
        //商品属性分类下拉选项
        productAttributeCategoryOptions: [],
        //选中的商品属性
        selectProductAttr: [],
        //选中的商品参数
        selectProductParam: [],
        //选中的商品属性图片
        selectProductAttrPics: [],
        //可手动添加的商品属性
        addProductAttrValue: '',
        //选中的商品图片
        selectProductPics: [],
        //商品富文本详情激活类型
        activeHtmlName: 'pc'
      }
    },
    computed: {
      hasAttrPic() {
        if (this.selectProductAttrPics.length < 1) {
          return false;
        }
        return true;
      }
    },
    created() {
      this.getProductAttrCateList();
      if (this.value.productAttributeCategoryId != null) {
        this.handleProductAttrChange(this.value.productAttributeCategoryId);
      }
    },
    watch: {
      selectProductPics: function (newValue) {
        if (newValue == null || newValue.length === 0) {
          this.value.pic = null;
          this.value.albumPics = null;
        } else {
          this.value.pic = newValue[0];
          this.value.albumPics = '';
          if (newValue.length > 1) {
            for (let i = 1; i < newValue.length; i++) {
              this.value.albumPics += newValue[i];
              if (i !== newValue.length - 1) {
                this.value.albumPics += ',';
              }
            }
          }
        }
      }
    },
    methods: {
      getProductAttrCateList() {
        let param = {pageNum: 1, pageSize: 100};
        fetchProductAttrCateList(param).then(response => {
          this.productAttributeCategoryOptions = [];
          let list = response.data.list;
          for (let i = 0; i < list.length; i++) {
            this.productAttributeCategoryOptions.push({label: list[i].name, value: list[i].id});
          }
        });
      },
      getProductAttrList(type, cid) {
        let param = {pageNum: 1, pageSize: 100, type: type};
        fetchProductAttrList(cid, param).then(response => {
          let list = response.data.list;
          if (type === 0) {
            this.selectProductAttr = [];
            for (let i = 0; i < list.length; i++) {
              this.selectProductAttr.push({
                id: list[i].id,
                name: list[i].name,
                handAddStatus: list[i].handAddStatus,
                inputList: list[i].inputList,
                values: [],
                options: []
              });
            }
          } else {
            this.selectProductParam = [];
            for (let i = 0; i < list.length; i++) {
              this.selectProductParam.push({
                id: list[i].id,
                name: list[i].name,
                value: null,
                inputType: list[i].inputType,
                inputList: list[i].inputList
              });
            }
          }
        });
      },
      handleProductAttrChange(value) {
        this.getProductAttrList(0, value);
        this.getProductAttrList(1, value);
      },
      getInputListArr(inputList) {
        return inputList.split(',');
      },
      handleAddProductAttrValue(idx) {
        let options = this.selectProductAttr[idx].options;
        if (this.addProductAttrValue == null || this.addProductAttrValue == '') {
          this.$message({
            message: '属性值不能为空',
            type: 'warning',
            duration: 1000
          });
          return
        }
        if (options.indexOf(this.addProductAttrValue) !== -1) {
          this.$message({
            message: '属性值不能重复',
            type: 'warning',
            duration: 1000
          });
          return;
        }
        this.selectProductAttr[idx].options.push(this.addProductAttrValue);
        this.addProductAttrValue = null;
      },
      handleRemoveProductAttrValue(idx, index) {
        this.selectProductAttr[idx].options.splice(index, 1);
      },
      getProductSkuSp(row, index) {
        if (index === 0) {
          return row.sp1;
        } else if (index === 1) {
          return row.sp2;
        } else {
          return row.sp3;
        }
      },
      handleRefreshProductSkuList() {
        this.value.skuStockList = [];
        this.refreshProductAttrPics();
        let skuList = this.value.skuStockList;
        //只有一个属性时
        if (this.selectProductAttr.length === 1) {
          let values = this.selectProductAttr[0].values;
          for (let i = 0; i < values.length; i++) {
            skuList.push({
              sp1: values[i]
            });
          }
        } else if (this.selectProductAttr.length === 2) {
          let values0 = this.selectProductAttr[0].values;
          let values1 = this.selectProductAttr[1].values;
          for (let i = 0; i < values0.length; i++) {
            if (values1.length === 0) {
              skuList.push({
                sp1: values0[i]
              });
              continue;
            }
            for (let j = 0; j < values1.length; j++) {
              skuList.push({
                sp1: values0[i],
                sp2: values1[j]
              });
            }
          }
        } else {
          let values0 = this.selectProductAttr[0].values;
          let values1 = this.selectProductAttr[1].values;
          let values2 = this.selectProductAttr[2].values;
          for (let i = 0; i < values0.length; i++) {
            if (values1.length === 0) {
              skuList.push({
                sp1: values0[i]
              });
              continue;
            }
            for (let j = 0; j < values1.length; j++) {
              if (values2.length === 0) {
                skuList.push({
                  sp1: values0[i],
                  sp2: values1[j]
                });
                continue;
              }
              for (let k = 0; k < values2.length; k++) {
                skuList.push({
                  sp1: values0[i],
                  sp2: values1[j],
                  sp3: values2[k]
                });
              }
            }
          }
        }
      },
      refreshProductAttrPics() {
        this.selectProductAttrPics = [];
        if (this.selectProductAttr.length >= 1) {
          let values = this.selectProductAttr[0].values;
          for (let i = 0; i < values.length; i++) {
            this.selectProductAttrPics.push({name: values[i], pic: null})
          }
        }
      },
      //合并商品属性
      mergeProductAttrValue() {
        this.value.productAttributeValueList = [];
        for (let i = 0; i < this.selectProductAttr.length; i++) {
          let attr = this.selectProductAttr[i];
          if (attr.handAddStatus === 1 && attr.options != null && attr.options.length > 0) {
            this.value.productAttributeValueList.push({
              productAttributeId: attr.id,
              value: this.getOptionStr(attr.options)
            });
          }
        }
        for (let i = 0; i < this.selectProductParam.length; i++) {
          let param = this.selectProductParam[i];
          this.value.productAttributeValueList.push({
            productAttributeId: param.id,
            value: param.value
          });
        }
      },
      //合并商品属性图片
      mergeProductAttrPics(){
        for (let i = 0; i < this.selectProductAttrPics.length; i++) {
          for (let j = 0; j < this.value.skuStockList.length; j++) {
            if (this.value.skuStockList[j].sp1 === this.selectProductAttrPics[i].name) {
              this.value.skuStockList[j].pic = this.selectProductAttrPics[i].pic;
            }
          }
        }
      },
      getOptionStr(arr) {
        let str = '';
        for (let i = 0; i < arr.length; i++) {
          str += arr[i];
          if (i != arr.length - 1) {
            str += ',';
          }
        }
        return str;
      },
      handleRemoveProductSku(index, row) {
        let list = this.value.skuStockList;
        if (list.length === 1) {
          list.pop();
        } else {
          list.splice(index, 1);
        }
      },
      getParamInputList(inputList) {
        return inputList.split(',');
      },
      handlePrev() {
        this.$emit('prevStep')
      },
      handleNext() {
        this.mergeProductAttrValue();
        this.mergeProductAttrPics();
        this.$emit('nextStep')
      }
    }
  }
</script>

<style scoped>
  .littleMarginLeft {
    margin-left: 10px;
  }

  .littleMarginTop {
    margin-top: 10px;
  }

  .paramInput {
    width: 250px;
  }

  .paramInputLabel {
    display: inline-block;
    width: 100px;
    text-align: right;
    padding-right: 10px
  }

  .cardBg {
    background: #F8F9FC;
  }
</style>
