<template>
  <el-dialog
    title="门店统计详情"
    :visible="visible"
    width="900px"
    :close-on-click-modal="false"
    @close="handleClose"
    @update:visible="handleVisibleChange"
  >
    <div class="dialog-content">
      <!-- 统计卡片 -->
      <div class="statistics-cards" v-if="summaryData">
        <el-row :gutter="16">
          <el-col :span="6">
            <div class="statistics-card">
              <div class="card-icon">
                <i class="el-icon-shop"></i>
              </div>
              <div class="card-content">
                <div class="card-title">门店总数</div>
                <div class="card-value">{{ summaryData.totalStores || 0 }}</div>
              </div>
            </div>
          </el-col>
          <el-col :span="6">
            <div class="statistics-card">
              <div class="card-icon">
                <i class="el-icon-document"></i>
              </div>
              <div class="card-content">
                <div class="card-title">开单数合计</div>
                <div class="card-value">{{ summaryData.totalBillingCount || 0 }}</div>
              </div>
            </div>
          </el-col>
          <el-col :span="6">
            <div class="statistics-card">
              <div class="card-icon">
                <i class="el-icon-menu"></i>
              </div>
              <div class="card-content">
                <div class="card-title">项目数合计</div>
                <div class="card-value">{{ summaryData.totalProjectCount || 0 }}</div>
              </div>
            </div>
          </el-col>
          <el-col :span="6">
            <div class="statistics-card">
              <div class="card-icon">
                <i class="el-icon-money"></i>
              </div>
              <div class="card-content">
                <div class="card-title">实付金额合计</div>
                <div class="card-value">¥{{ formatMoney(summaryData.totalActualAmount) }}</div>
              </div>
            </div>
          </el-col>
        </el-row>
        <el-row :gutter="16" style="margin-top: 16px;">
          <el-col :span="6">
            <div class="statistics-card">
              <div class="card-icon">
                <i class="el-icon-delete"></i>
              </div>
              <div class="card-content">
                <div class="card-title">退款金额合计</div>
                <div class="card-value">¥{{ formatMoney(summaryData.totalRefundAmount) }}</div>
              </div>
            </div>
          </el-col>
        </el-row>
      </div>

      <!-- 数据表格 -->
      <div class="table-container">
        <NCC-table v-loading="listLoading" :data="list" has-c>
          <el-table-column prop="StoreName" label="门店名称">
            <template slot-scope="scope">
              <i class="el-icon-shop" style="margin-right: 4px; color: #409EFF;"></i>
              <span>{{ scope.row.StoreName || '无' }}</span>
            </template>
          </el-table-column>
          <el-table-column prop="BillingCount" label="开单数" align="right">
            <template slot-scope="scope">
              <i class="el-icon-document" style="margin-right: 4px; color: #409EFF;"></i>
              <span>{{ scope.row.BillingCount || 0 }}</span>
            </template>
          </el-table-column>
          <el-table-column prop="TotalProjectCount" label="总项目数" align="right">
            <template slot-scope="scope">
              <i class="el-icon-menu" style="margin-right: 4px; color: #67C23A;"></i>
              <span>{{ formatProjectCount(scope.row.TotalProjectCount) }}</span>
            </template>
          </el-table-column>
          <el-table-column prop="PurchaseProjectCount" label="购买项目数" align="right">
            <template slot-scope="scope">
              <i class="el-icon-menu" style="margin-right: 4px; color: #67C23A;"></i>
              <span>{{ formatProjectCount(scope.row.PurchaseProjectCount) }}</span>
            </template>
          </el-table-column>
          <el-table-column prop="ExperienceProjectCount" label="体验项目数" align="right">
            <template slot-scope="scope">
              <i class="el-icon-menu" style="margin-right: 4px; color: #67C23A;"></i>
              <span>{{ formatProjectCount(scope.row.ExperienceProjectCount) }}</span>
            </template>
          </el-table-column>
          <el-table-column prop="GiftProjectCount" label="赠送项目数" align="right">
            <template slot-scope="scope">
              <i class="el-icon-menu" style="margin-right: 4px; color: #67C23A;"></i>
              <span>{{ formatProjectCount(scope.row.GiftProjectCount) }}</span>
            </template>
          </el-table-column>
          <el-table-column prop="ActualAmount" label="实付金额" align="right">
            <template slot-scope="scope">
              <i class="el-icon-money" style="margin-right: 4px; color: #67C23A;"></i>
              <span class="amount-paid">¥{{ formatMoney(scope.row.ActualAmount) }}</span>
            </template>
          </el-table-column>
          <el-table-column prop="RefundAmount" label="退款金额" align="right">
            <template slot-scope="scope">
              <i class="el-icon-delete" style="margin-right: 4px; color: #F56C6C;"></i>
              <span class="amount-debt">¥{{ formatMoney(scope.row.RefundAmount) }}</span>
            </template>
          </el-table-column>
        </NCC-table>
      </div>
    </div>

    <div slot="footer" class="dialog-footer">
      <el-button @click="handleClose">关闭</el-button>
    </div>
  </el-dialog>
</template>

<script>
import request from '@/utils/request'

export default {
  name: 'StoreStatisticsDialog',
  props: {
    visible: {
      type: Boolean,
      default: false
    },
    itemId: {
      type: [String, Number],
      default: null
    },
    startTime: {
      type: String,
      default: ''
    },
    endTime: {
      type: String,
      default: ''
    }
  },
  data() {
    return {
      list: [],
      listLoading: false,
      summaryData: null
    }
  },
  watch: {
    visible: {
      immediate: true,
      handler(val) {
        if (val && this.itemId && this.startTime && this.endTime) {
          this.loadData()
        }
      }
    }
  },
  methods: {
    // 加载数据
    loadData() {
      if (!this.itemId || !this.startTime || !this.endTime) {
        this.$message({
          type: 'warning',
          message: '缺少必要参数',
          duration: 1500
        })
        return
      }

      this.listLoading = true

      const params = {
        itemId: this.itemId,
        startTime: this.startTime,
        endTime: this.endTime
      }

      request({
        url: '/api/Extend/lqxmzl/get-item-store-statistics',
        method: 'POST',
        data: params
      }).then(res => {
        // 兼容不同的返回格式：可能是 res.data.data 或 res.data 直接是数组
        let dataList = []
        if (res.data) {
          if (Array.isArray(res.data)) {
            dataList = res.data
          } else if (res.data.data && Array.isArray(res.data.data)) {
            dataList = res.data.data
          } else if (Array.isArray(res.data.list)) {
            dataList = res.data.list
          }
        }
        
        this.list = dataList
        this.calculateSummary()
        this.listLoading = false
      }).catch(err => {
        console.error('查询失败:', err)
        this.$message({
          type: 'error',
          message: '查询失败，请重试',
          duration: 1500
        })
        this.listLoading = false
      })
    },

    // 计算汇总数据
    calculateSummary() {
      if (!this.list || this.list.length === 0) {
        this.summaryData = null
        return
      }

      const summary = {
        totalStores: this.list.length,
        totalBillingCount: this.list.reduce((sum, item) => sum + (item.BillingCount || 0), 0),
        // 使用后端返回的 TotalProjectCount 字段进行汇总，保持与列表展示字段一致
        totalProjectCount: this.list.reduce((sum, item) => sum + (item.TotalProjectCount || 0), 0),
        totalActualAmount: this.list.reduce((sum, item) => sum + (item.ActualAmount || 0), 0),
        totalRefundAmount: this.list.reduce((sum, item) => sum + (item.RefundAmount || 0), 0)
      }

      this.summaryData = summary
    },

    // 格式化金额
    formatMoney(amount) {
      if (!amount && amount !== 0) return '0.00'
      return Number(amount).toFixed(2)
    },

    // 格式化项目数（如果是整数显示整数，有小数保留2位）
    formatProjectCount(count) {
      if (count === null || count === undefined) return '0'
      const num = Number(count)
      if (isNaN(num)) return '0'
      // 如果是整数，直接返回整数
      if (num % 1 === 0) {
        return num.toString()
      }
      // 有小数保留2位
      return num.toFixed(2)
    },

    // 处理可见性变化
    handleVisibleChange(val) {
      if (!val) {
        this.$emit('close')
      }
    },

    // 关闭弹窗
    handleClose() {
      this.$emit('close')
    }
  }
}
</script>

<style lang="scss" scoped>
.dialog-content {
  padding: 10px 0;
}

.statistics-cards {
  margin-bottom: 20px;
}

.statistics-card {
  height: 100px;
  padding: 12px;
  border-radius: 12px;
  background: #fff;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  display: flex;
  align-items: center;
  
  .card-icon {
    width: 60px;
    height: 60px;
    border-radius: 8px;
    background: linear-gradient(135deg, #409EFF, #67C23A);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 16px;
    
    i {
      font-size: 24px;
      color: #fff;
    }
  }
  
  .card-content {
    flex: 1;
    
    .card-title {
      font-size: 14px;
      color: #909399;
      margin-bottom: 8px;
    }
    
    .card-value {
      font-size: 24px;
      font-weight: bold;
      color: #303133;
    }
  }
}

.table-container {
  margin-top: 20px;
  height: 300px;
  overflow-y: auto;
}

.amount-paid {
  color: #67C23A;
  font-weight: 500;
}

.amount-debt {
  color: #F56C6C;
  font-weight: 500;
}

.dialog-footer {
  text-align: right;
  padding-top: 20px;
  border-top: 1px solid #E4E7ED;
}
</style>

