<template>
  <div class="environment-list">
    <el-row>
      <div class="button-group">
        <el-button size="small" type="primary" @click="addEnv" icon="el-icon-plus">{{$t('Add Environment Variables')}}</el-button>
        <el-button size="small" type="success" @click="save">{{$t('Save')}}</el-button>
      </div>
    </el-row>
    <el-row>
      <el-table :data="spiderForm.envs">
        <el-table-column :label="$t('Variable')">
          <template slot-scope="scope">
            <el-input v-model="scope.row.name" :placeholder="$t('Variable')"></el-input>
          </template>
        </el-table-column>
        <el-table-column :label="$t('Value')">
          <template slot-scope="scope">
            <el-input v-model="scope.row.value" :placeholder="$t('Value')"></el-input>
          </template>
        </el-table-column>
        <el-table-column :label="$t('Action')">
          <template slot-scope="scope">
            <el-button size="mini" icon="el-icon-delete" type="danger" @click="deleteEnv(scope.$index)"></el-button>
          </template>
        </el-table-column>
      </el-table>
    </el-row>
  </div>
</template>

<script>
import {
  mapState
} from 'vuex'

export default {
  name: 'EnvironmentList',
  computed: {
    ...mapState('spider', [
      'spiderForm'
    ])
  },
  methods: {
    addEnv () {
      if (!this.spiderForm.envs) {
        this.$set(this.spiderForm, 'envs', [])
      }
      this.spiderForm.envs.push({
        name: '',
        value: ''
      })
      this.$st.sendEv('爬虫详情', '环境', '添加')
    },
    deleteEnv (index) {
      this.spiderForm.envs.splice(index, 1)
      this.$st.sendEv('爬虫详情', '环境', '删除')
    },
    save () {
      this.$store.dispatch('spider/editSpider')
        .then(() => {
          this.$message.success(this.$t('Spider info has been saved successfully'))
        })
        .catch(error => {
          this.$message.error(error)
        })
      this.$st.sendEv('爬虫详情', '环境', '保存')
    }
  }
}
</script>

<style scoped>
  .button-group {
    width: 100%;
    text-align: right;
  }

  .el-table {
    min-height: 360px;
  }
</style>
