<template>
  <div class="app-container">
    <el-table v-loading="listLoading" :data="list" border fit highlight-current-row style="width: 100%">
      <el-table-column align="center" label="ID" width="80">
        <template slot-scope="scope">
          <span>{{ scope.row.id }}</span>
        </template>
      </el-table-column>

      <el-table-column width="180px" align="center" label="Date">
        <template slot-scope="scope">
          <span>{{ scope.row.timestamp | parseTime('{y}-{m}-{d} {h}:{i}') }}</span>
        </template>
      </el-table-column>

      <el-table-column width="120px" align="center" label="Author">
        <template slot-scope="scope">
          <span>{{ scope.row.author }}</span>
        </template>
      </el-table-column>

      <el-table-column width="100px" label="Importance">
        <template slot-scope="scope">
          <svg-icon v-for="n in +scope.row.importance" :key="n" icon-class="star" class="meta-item__icon" />
        </template>
      </el-table-column>

      <el-table-column class-name="status-col" label="Status" width="110">
        <template slot-scope="{row}">
          <el-tag :type="row.status | statusFilter">
            {{ row.status }}
          </el-tag>
        </template>
      </el-table-column>

      <el-table-column min-width="300px" label="Title">
        <template slot-scope="{row}">
          <template v-if="row.edit">
            <el-input v-model="row.title" class="edit-input" size="small" />
            <el-button class="cancel-btn" size="small" icon="el-icon-refresh" type="warning" @click="cancelEdit(row)">
              cancel
            </el-button>
          </template>
          <span v-else>{{ row.title }}</span>
        </template>
      </el-table-column>

      <el-table-column align="center" label="Actions" width="120">
        <template slot-scope="{row}">
          <el-button v-if="row.edit" type="success" size="small" icon="el-icon-circle-check-outline" @click="confirmEdit(row)">
            Ok
          </el-button>
          <el-button v-else type="primary" size="small" icon="el-icon-edit" @click="row.edit=!row.edit">
            Edit
          </el-button>
        </template>
      </el-table-column>
    </el-table>
  </div>
</template>

<script>
import { fetchList } from '@/api/article';

export default {
  name: 'InlineEditTable',
  filters: {
    statusFilter(status) {
      const statusMap = {
        published: 'success',
        draft: 'info',
        deleted: 'danger',
      };
      return statusMap[status];
    },
  },
  data() {
    return {
      list: null,
      listLoading: true,
      listQuery: {
        page: 1,
        limit: 10,
      },
    };
  },
  created() {
    this.getList();
  },
  methods: {
    async getList() {
      this.listLoading = true;
      const { data } = await fetchList(this.listQuery);
      const items = data.items;
      this.list = items.map(v => {
        this.$set(v, 'edit', false); // https://vuejs.org/v2/guide/reactivity.html
        v.originalTitle = v.title; //  will be used when user click the cancel botton
        return v;
      });
      this.listLoading = false;
    },
    cancelEdit(row) {
      row.title = row.originalTitle;
      row.edit = false;
      this.$message({
        message: 'The title has been restored to the original value',
        type: 'warning',
      });
    },
    confirmEdit(row) {
      row.edit = false;
      row.originalTitle = row.title;
      this.$message({
        message: 'The title has been edited',
        type: 'success',
      });
    },
  },
};
</script>

<style scoped>
.edit-input {
  padding-right: 100px;
}
.cancel-btn {
  position: absolute;
  right: 15px;
  top: 10px;
}
</style>
