<template>
  <el-row style="margin-top: 20px;">
    <el-col style="margin-bottom: 1rem;">
      <el-breadcrumb separator-class="el-icon-arrow-right">
        <el-breadcrumb-item :to="{ path: '/admin/dashboard' }">首页</el-breadcrumb-item>
        <el-breadcrumb-item>产品管理</el-breadcrumb-item>
      </el-breadcrumb>
    </el-col>
    <el-col>
      <el-table
        :data="products.list"
        style="width: 100%">
        <el-table-column
          label="#"
          width="40"
          prop="idProduct">
        </el-table-column>
        <el-table-column
          label="主图"
          width="60"
          prop="productImgUrl">
          <template slot-scope="scope">
            <el-avatar size="medium" :src="scope.row.productImgUrl"></el-avatar>
          </template>
        </el-table-column>
        <el-table-column
          label="商品名称"
          width="140"
          prop="productTitle">
          <template slot-scope="scope">
            <el-link type="primary" :href="'/product/' + scope.row.idProduct" :underline="false">
              {{ scope.row.productTitle }}
            </el-link>
          </template>
        </el-table-column>
        <el-table-column
          label="创建时间"
          width="180"
          prop="createdTime">
        </el-table-column>
        <el-table-column
          label="状态"
          width="180"
          prop="status">
          <template slot-scope="scope">
            <el-tag type="primary" disable-transitions>
              {{ scope.row.status === '0' ? '正常' : '禁用' }}
            </el-tag>
          </template>
        </el-table-column>
        <el-table-column label="操作">
          <template slot-scope="scope">
            <el-button size="mini" @click="handleEdit(scope.$index, scope.row)" plain>编辑</el-button>
            <el-button v-if="scope.row.status == 1" size="mini" type="primary"
                       @click="toggleStatus(scope.$index, scope.row)" plain>上架
            </el-button>
            <el-button v-else size="mini" type="danger" @click="toggleStatus(scope.$index, scope.row)" plain>下架
            </el-button>
          </template>
        </el-table-column>
      </el-table>
    </el-col>
    <el-col>
      <el-pagination
        :hide-on-single-page="true"
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="products.pageNum"
        :page-sizes="[10, 20, 50, 100]"
        :page-size="products.pageSize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="products.total">
      </el-pagination>
    </el-col>
  </el-row>
</template>

<script>
import {mapState} from 'vuex';

export default {
  name: "products",
  middleware: 'auth',
  fetch() {
    let {store, params, error} = this.$nuxt.context
    return Promise.all([
      store
        .dispatch('admin/fetchProducts', params)
        .catch(err => error({statusCode: 404}))
    ])
  },
  computed: {
    ...mapState({
      products: state => state.admin.products
    })
  },
  data() {
    return {
      order: 'desc'
    }
  },
  methods: {
    onRouter(name, data) {
      this.$router.push({
        path: `/${name}/${data}`
      })
    },
    toggleStatus(index, product) {
      let _ts = this;
      let title, status;
      if (product.status == 0) {
        title = '下架';
        status = 1;
      } else {
        title = '上架';
        status = 0;
      }
      _ts.$confirm('确定' + title + '产品 ' + product.productTitle + '?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(() => {
        _ts.$axios.$patch('/api/admin/product/update-status', {
          idProduct: product.idProduct,
          status: status
        }).then(function (res) {
          if (res && res.message) {
            _ts.$message.error(res.message);
          } else {
            _ts.$message({
              type: 'success',
              message: title + '成功!'
            });
            _ts.handleCurrentChange(1);
          }
        });
      }).catch(() => {
        _ts.$message({
          type: 'info',
          message: '已取消'
        });
      });
    },
    handleSizeChange(pageSize) {
      let _ts = this;
      _ts.$store.dispatch('admin/fetchProducts', {
        page: _ts.products.pageNum,
        rows: pageSize
      })
    },
    handleCurrentChange(page) {
      let _ts = this;
      _ts.$store.dispatch('admin/fetchProducts', {
        page: page,
        rows: _ts.products.pageSize
      })
    },
    handleEdit(index ,row) {
      this.$router.push({
        path: `/admin/product/post/${row.idProduct}`
      })
    }
  }
}
</script>

<style scoped>

</style>
