<template>
  <el-card class="coupon-rule-div">
    <div class="operation-buttons">
      <el-button type="primary" size="small" @click="openAddModal">{{ $t('common.add') }}</el-button>
      <el-button type="warning" size="small" @click="openEditModal">{{ $t('common.edit') }}</el-button>
      <el-button type="danger" size="small" @click="openDeleteModal">{{ $t('common.delete') }}</el-button>
    </div>

    <el-divider></el-divider>

    <el-tree :data="couponRules" :props="treeProps" node-key="ruleId" highlight-current @node-click="handleNodeClick"
      class="coupon-rule-tree">
      <span slot-scope="{ node }" class="custom-tree-node">
        <span>{{ node.label }}</span>
      </span>
    </el-tree>
  </el-card>
</template>

<script>
import { listCouponRule } from '@/api/scm/couponRuleApi'
import { getCommunityId } from '@/api/community/communityApi'

export default {
  name: 'CouponRuleDiv',
  data() {
    return {
      couponRules: [],
      currentRule: {},
      treeProps: {
        label: 'ruleName',
        children: 'children'
      }
    }
  },
  created() {
    this.communityId = getCommunityId()
    this.getList()
  },
  methods: {
    async getList() {
      try {
        const params = {
          page: 1,
          row: 100,
          communityId: this.communityId
        }
        const { data } = await listCouponRule(params)
        this.couponRules = data
        if (this.couponRules.length > 0) {
          this.handleNodeClick(this.couponRules[0])
        }
      } catch (error) {
        console.error('Failed to get coupon rules:', error)
      }
    },
    handleNodeClick(data) {
      this.currentRule = data
      this.$emit('switch', data)
    },
    openAddModal() {
      this.$emit('open-add')
    },
    openEditModal() {
      if (!this.currentRule.ruleId) {
        this.$message.warning(this.$t('couponRule.selectRuleFirst'))
        return
      }
      this.$emit('open-edit', this.currentRule)
    },
    openDeleteModal() {
      if (!this.currentRule.ruleId) {
        this.$message.warning(this.$t('couponRule.selectRuleFirst'))
        return
      }
      this.$emit('open-delete', this.currentRule)
    },
    refreshList() {
      this.getList()
    }
  }
}
</script>

<style lang="scss" scoped>
.coupon-rule-div {
  height: 100%;

  .operation-buttons {
    margin-bottom: 10px;

    .el-button {
      margin-right: 10px;
    }
  }

  .coupon-rule-tree {
    height: calc(100% - 60px);
    overflow-y: auto;

    .custom-tree-node {
      flex: 1;
      display: flex;
      align-items: center;
      justify-content: space-between;
      font-size: 14px;
      padding-right: 8px;
    }
  }
}
</style>