<template>
  <ListPageLayout title="购买记录管理" subtitle="管理系统内所有用户的购买记录">
    <!-- 单用户模式显示 -->
    <template #stats v-if="singleUserMode">
      <div class="flex items-center gap-2 text-sm text-gray-600">
        <User class="w-4 h-4" />
        <span>当前用户：{{ currentUser?.company_name || currentUser?.phone }}</span>
        <span class="text-gray-400">(仅显示当前用户)</span>
      </div>
    </template>

    <!-- 单用户模式操作按钮 -->
    <template #actions v-if="singleUserMode">
      <div class="flex items-center gap-3">
        <div class="flex items-center gap-2 text-sm text-gray-600">
          <User class="w-4 h-4" />
          <span>{{ currentUser?.enterprise_info?.company_name || currentUser?.phone }}</span>
        </div>
        <el-button size="small" @click="exitSingleUserMode">
          <Close class="w-4 h-4 mr-1" />
          取消
        </el-button>
        <el-button size="small" type="primary" @click="goBackToUsers">
          <Back class="w-4 h-4 mr-1" />
          返回用户管理
        </el-button>
      </div>
    </template>

    <!-- 筛选区域 -->
    <template #filters>
      <FilterSection>
        <div class="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 xl:grid-cols-4 gap-4">
          <FilterItem label="企业名称" v-if="!singleUserMode">
            <el-input
              v-model="filters.company_name"
              placeholder="输入企业名称"
              clearable
              @input="handleFilterChange"
              class="w-full"
            />
          </FilterItem>

          <FilterItem label="支付类型">
            <el-select
              v-model="filters.payment_type"
              placeholder="选择支付类型"
              clearable
              @change="handleFilterChange"
              class="w-full"
            >
            <el-option label="支付宝" value="alipay" />
            <el-option label="微信" value="wechat" />
            <el-option label="免费" value="free" />
            </el-select>
          </FilterItem>

          <FilterItem label="支付渠道">
            <el-select
              v-model="filters.pay_channel"
              placeholder="选择支付渠道"
              clearable
              @change="handleFilterChange"
              class="w-full"
            >
            <el-option label="支付宝" value="alipay" />
            <el-option label="微信" value="wechat" />
            </el-select>
          </FilterItem>

          <FilterItem label="订单状态">
            <el-select
              v-model="filters.status"
              placeholder="选择订单状态"
              clearable
              @change="handleFilterChange"
              class="w-full"
            >
              <el-option label="已创建" value="created" />
              <el-option label="已支付" value="paid" />
              <el-option label="支付失败" value="failed" />
              <el-option label="已取消" value="cancelled" />
              <el-option label="已退款" value="refunded" />
              <el-option label="已关闭" value="closed" />
            </el-select>
          </FilterItem>

          <FilterItem label="产品名称" v-if="!singleUserMode">
            <el-input
              v-model="filters.product_name"
              placeholder="输入产品名称"
              clearable
              @input="handleFilterChange"
              class="w-full"
            />
          </FilterItem>

          <FilterItem label="购买时间" class="col-span-1 md:col-span-2">
            <el-date-picker
              v-model="dateRange"
              type="datetimerange"
              range-separator="至"
              start-placeholder="开始时间"
              end-placeholder="结束时间"
              format="YYYY-MM-DD HH:mm:ss"
              value-format="YYYY-MM-DD HH:mm:ss"
              @change="handleTimeRangeChange"
              class="w-full"
              :size="isMobile ? 'small' : 'default'"
            />
          </FilterItem>

          <FilterItem label="金额范围">
            <div class="flex gap-2">
              <el-input
                v-model="filters.min_amount"
                placeholder="最小金额"
                clearable
                @input="handleFilterChange"
                class="flex-1"
              />
              <span class="text-gray-400 self-center">-</span>
              <el-input
                v-model="filters.max_amount"
                placeholder="最大金额"
                clearable
                @input="handleFilterChange"
                class="flex-1"
              />
            </div>
          </FilterItem>
        </div>

        <template #stats> 共找到 {{ total }} 条购买记录 </template>

        <template #buttons>
          <el-button @click="resetFilters">重置筛选</el-button>
          <el-button type="primary" @click="loadPurchaseRecords">应用筛选</el-button>
          <el-button type="success" @click="showExportDialog">
            <Download class="w-4 h-4 mr-1" />
            导出数据
          </el-button>
        </template>
      </FilterSection>
    </template>

    <!-- 表格区域 -->
    <template #table>
      <div v-if="loading" class="flex justify-center items-center py-12">
        <el-loading size="large" />
      </div>

      <div v-else class="bg-white rounded-lg shadow-sm border border-gray-200 overflow-hidden">
        <el-table
          :data="purchaseRecords"
          style="width: 100%"
          :header-cell-style="{
            background: '#f8fafc',
            color: '#475569',
            fontWeight: '600',
            fontSize: '14px',
          }"
          :cell-style="{
            fontSize: '14px',
            color: '#1e293b',
          }"
        >
          <el-table-column prop="order_no" label="订单号" min-width="180">
            <template #default="{ row }">
              <div class="text-sm">
                <div class="text-gray-500">商户订单：</div>
                <div class="font-mono">{{ row.order_no }}</div>
                <div v-if="row.trade_no" class="text-gray-500 mt-1">交易号：</div>
                <div v-if="row.trade_no" class="font-mono">{{ row.trade_no }}</div>
              </div>
            </template>
          </el-table-column>

          <el-table-column
            prop="company_name"
            label="企业名称"
            min-width="150"
            v-if="!singleUserMode"
          >
            <template #default="{ row }">
              <div>
                <div class="font-medium text-blue-600">{{ row.company_name || '未知企业' }}</div>
                <div class="text-xs text-gray-500">{{ row.user?.phone }}</div>
              </div>
            </template>
          </el-table-column>

          <el-table-column prop="product_name" label="产品信息" min-width="200">
            <template #default="{ row }">
              <div class="space-y-1">
                <div class="text-sm font-medium">{{ row.product_name }}</div>
                <div class="text-xs text-gray-500">{{ row.product_code }}</div>
              </div>
            </template>
          </el-table-column>

          <el-table-column prop="amount" label="订单金额" width="120">
            <template #default="{ row }">
              <span class="font-semibold text-green-600">¥{{ formatPrice(row.amount) }}</span>
            </template>
          </el-table-column>

          <el-table-column prop="payment_type" label="支付类型" width="120">
            <template #default="{ row }">
              <el-tag :type="getPaymentTypeTagType(row.payment_type)" size="small" effect="light">
                {{ getPaymentTypeText(row.payment_type) }}
              </el-tag>
            </template>
          </el-table-column>

          <el-table-column prop="pay_channel" label="支付渠道" width="100">
            <template #default="{ row }">
              <el-tag :type="getPayChannelTagType(row.pay_channel)" size="small" effect="light">
                {{ getPayChannelText(row.pay_channel) }}
              </el-tag>
            </template>
          </el-table-column>

          <el-table-column prop="status" label="订单状态" width="120">
            <template #default="{ row }">
              <el-tag :type="getStatusTagType(row.status)" size="small" effect="light">
                {{ getStatusText(row.status) }}
              </el-tag>
            </template>
          </el-table-column>

          <el-table-column prop="pay_time" label="支付时间" width="160">
            <template #default="{ row }">
              <div class="text-sm">
                <div v-if="row.pay_time" class="text-gray-900">{{ formatDate(row.pay_time) }}</div>
                <div v-if="row.pay_time" class="text-gray-500">{{ formatTime(row.pay_time) }}</div>
                <div v-else class="text-gray-400">-</div>
              </div>
            </template>
          </el-table-column>

          <el-table-column label="操作" width="120" fixed="right">
            <template #default="{ row }">
              <div class="flex items-center space-x-2">
                <el-button size="small" type="primary" @click="handleViewDetail(row)">
                  查看详情
                </el-button>
              </div>
            </template>
          </el-table-column>
        </el-table>
      </div>
    </template>

    <!-- 分页 -->
    <template #pagination>
      <el-pagination
        v-if="total > 0"
        v-model:current-page="currentPage"
        v-model:page-size="pageSize"
        :page-sizes="[10, 20, 50, 100]"
        :total="total"
        layout="total, sizes, prev, pager, next, jumper"
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
      />
    </template>
    <template #extra>
      <!-- 购买记录详情弹窗 -->
      <el-dialog
        v-model="detailDialogVisible"
        title="购买记录详情"
        width="800px"
        class="purchase-detail-dialog"
      >
        <div v-if="selectedPurchaseRecord" class="space-y-6">
          <!-- 基本信息 -->
          <div class="info-section">
            <h4 class="text-lg font-semibold text-gray-900 mb-4">基本信息</h4>
            <div class="grid grid-cols-2 gap-4">
              <div class="info-item">
                <span class="info-label">订单号</span>
                <span class="info-value font-mono">{{ selectedPurchaseRecord?.order_no || '-' }}</span>
              </div>
              <div class="info-item" v-if="selectedPurchaseRecord?.trade_no">
                <span class="info-label">交易号</span>
                <span class="info-value font-mono">{{ selectedPurchaseRecord?.trade_no || '-' }}</span>
              </div>
              <div class="info-item">
                <span class="info-label">产品名称</span>
                <span class="info-value">{{ selectedPurchaseRecord?.product_name || '-' }}</span>
              </div>
              <div class="info-item">
                <span class="info-label">产品代码</span>
                <span class="info-value">{{ selectedPurchaseRecord?.product_code || '-' }}</span>
              </div>
              <div class="info-item">
                <span class="info-label">订单金额</span>
                <span class="info-value text-green-600 font-semibold"
                  >¥{{ formatPrice(selectedPurchaseRecord?.amount) }}</span
                >
              </div>
              <div class="info-item">
                <span class="info-label">支付类型</span>
                <span class="info-value">
                  <el-tag
                    :type="getPaymentTypeTagType(selectedPurchaseRecord?.payment_type)"
                    size="small"
                  >
                    {{ getPaymentTypeText(selectedPurchaseRecord?.payment_type) }}
                  </el-tag>
                </span>
              </div>
              <div class="info-item">
                <span class="info-label">支付渠道</span>
                <span class="info-value">
                  <el-tag
                    :type="getPayChannelTagType(selectedPurchaseRecord?.pay_channel)"
                    size="small"
                  >
                    {{ getPayChannelText(selectedPurchaseRecord?.pay_channel) }}
                  </el-tag>
                </span>
              </div>
              <div class="info-item">
                <span class="info-label">订单状态</span>
                <span class="info-value">
                  <el-tag :type="getStatusTagType(selectedPurchaseRecord?.status)" size="small">
                    {{ getStatusText(selectedPurchaseRecord?.status) }}
                  </el-tag>
                </span>
              </div>
              <div class="info-item" v-if="!singleUserMode">
                <span class="info-label">企业名称</span>
                <span class="info-value">{{
                  selectedPurchaseRecord?.company_name || '未知企业'
                }}</span>
              </div>
            </div>
          </div>

          <!-- 时间信息 -->
          <div class="info-section">
            <h4 class="text-lg font-semibold text-gray-900 mb-4">时间信息</h4>
            <div class="grid grid-cols-2 gap-4">
              <div class="info-item">
                <span class="info-label">创建时间</span>
                <span class="info-value">{{
                  formatDateTime(selectedPurchaseRecord?.created_at)
                }}</span>
              </div>
              <div class="info-item">
                <span class="info-label">支付时间</span>
                <span class="info-value">{{
                  formatDateTime(selectedPurchaseRecord?.pay_time)
                }}</span>
              </div>
              <div class="info-item">
                <span class="info-label">更新时间</span>
                <span class="info-value">{{
                  formatDateTime(selectedPurchaseRecord?.updated_at)
                }}</span>
              </div>
            </div>
          </div>
        </div>
        <div v-else class="flex justify-center items-center py-8">
          <el-loading size="large" />
        </div>
      </el-dialog>
    </template>
  </ListPageLayout>

  <!-- 导出弹窗 -->
  <ExportDialog
    v-model="exportDialogVisible"
    title="导出购买记录"
    :loading="exportLoading"
    :show-company-select="true"
    :show-product-select="true"
    :show-payment-type-select="true"
    :show-pay-channel-select="true"
    :show-status-select="true"
    :show-date-range="true"
    @confirm="handleExport"
  />
</template>

<script setup>
import { financeApi, userApi } from '@/api'
import ExportDialog from '@/components/common/ExportDialog.vue'
import FilterItem from '@/components/common/FilterItem.vue'
import FilterSection from '@/components/common/FilterSection.vue'
import ListPageLayout from '@/components/common/ListPageLayout.vue'
import { useMobileTable } from '@/composables/useMobileTable'
import { Back, Close, Download, User } from '@element-plus/icons-vue'
import { ElMessage } from 'element-plus'
import { onMounted, reactive, ref, watch } from 'vue'
import { useRoute, useRouter } from 'vue-router'

const router = useRouter()
const route = useRoute()

// 移动端检测
const { isMobile } = useMobileTable()

// 响应式数据
const loading = ref(false)
const purchaseRecords = ref([])
const total = ref(0)
const currentPage = ref(1)
const pageSize = ref(10)
const detailDialogVisible = ref(false)
const selectedPurchaseRecord = ref(null)
const dateRange = ref([])

// 单用户模式
const singleUserMode = ref(false)
const currentUser = ref(null)

// 导出相关
const exportDialogVisible = ref(false)
const exportLoading = ref(false)

// 筛选条件
const filters = reactive({
  company_name: '',
  product_name: '',
  payment_type: '',
  pay_channel: '',
  status: '',
  min_amount: '',
  max_amount: '',
  start_time: '',
  end_time: '',
})

// 初始化
onMounted(async () => {
  await checkSingleUserMode()
  await loadPurchaseRecords()
})

// 检查单用户模式
const checkSingleUserMode = async () => {
  const userId = route.query.user_id
  if (userId) {
    singleUserMode.value = true
    await loadUserInfo(userId)
  }
}

// 加载用户信息
const loadUserInfo = async (userId) => {
  try {
    const response = await userApi.getUserDetail(userId)
    currentUser.value = response.data
  } catch (error) {
    console.error('加载用户信息失败:', error)
    ElMessage.error('加载用户信息失败')
  }
}

// 加载购买记录
const loadPurchaseRecords = async () => {
  loading.value = true
  try {
    const params = {
      page: currentPage.value,
      page_size: pageSize.value,
    }

    // 只传递非空的筛选条件
    if (filters.company_name) {
      params.company_name = filters.company_name
    }
    if (filters.product_name) {
      params.product_name = filters.product_name
    }
    if (filters.payment_type) {
      params.payment_type = filters.payment_type
    }
    if (filters.pay_channel) {
      params.pay_channel = filters.pay_channel
    }
    if (filters.status) {
      params.status = filters.status
    }
    if (filters.min_amount) {
      params.min_amount = filters.min_amount
    }
    if (filters.max_amount) {
      params.max_amount = filters.max_amount
    }
    if (filters.start_time) {
      params.start_time = filters.start_time
    }
    if (filters.end_time) {
      params.end_time = filters.end_time
    }

    // 单用户模式添加用户ID筛选
    if (singleUserMode.value && currentUser.value?.id) {
      params.user_id = currentUser.value.id
    }

    const response = await financeApi.getAdminPurchaseRecords(params)
    purchaseRecords.value = response.data?.items || []
    total.value = response.data?.total || 0
  } catch (error) {
    console.error('加载购买记录失败:', error)
    ElMessage.error('加载购买记录失败')
  } finally {
    loading.value = false
  }
}

// 格式化价格
const formatPrice = (price) => {
  if (!price) return '0.00'
  return Number(price).toFixed(2)
}

// 格式化日期
const formatDate = (date) => {
  if (!date) return '-'
  return new Date(date).toLocaleDateString('zh-CN')
}

// 格式化时间
const formatTime = (date) => {
  if (!date) return '-'
  return new Date(date).toLocaleTimeString('zh-CN', {
    hour: '2-digit',
    minute: '2-digit',
  })
}

// 格式化日期时间
const formatDateTime = (date) => {
  if (!date) return '-'
  return new Date(date).toLocaleString('zh-CN')
}

// 获取支付类型标签样式
const getPaymentTypeTagType = (type) => {
  const typeMap = {
    alipay: 'primary',
    wechat: 'success',
    free: 'info'
  }
  return typeMap[type] || 'info'
}

// 获取支付类型文本
const getPaymentTypeText = (type) => {
  const typeMap = {
    alipay: '支付宝',
    wechat: '微信',
    free: '免费'
  }
  return typeMap[type] || type
}

// 获取支付渠道标签样式
const getPayChannelTagType = (channel) => {
  const channelMap = {
    alipay: 'primary',
    wechat: 'success'
  }
  return channelMap[channel] || 'info'
}

// 获取支付渠道文本
const getPayChannelText = (channel) => {
  const channelMap = {
    alipay: '支付宝',
    wechat: '微信'
  }
  return channelMap[channel] || channel
}

// 获取状态标签样式
const getStatusTagType = (status) => {
  const statusMap = {
    created: 'info',
    paid: 'success',
    failed: 'danger',
    cancelled: 'warning',
    refunded: 'info',
    closed: 'info'
  }
  return statusMap[status] || 'info'
}

// 获取状态文本
const getStatusText = (status) => {
  const statusMap = {
    created: '已创建',
    paid: '已支付',
    failed: '支付失败',
    cancelled: '已取消',
    refunded: '已退款',
    closed: '已关闭'
  }
  return statusMap[status] || status
}

// 处理筛选变化
const handleFilterChange = () => {
  currentPage.value = 1
  loadPurchaseRecords()
}

// 处理时间范围变化
const handleTimeRangeChange = (range) => {
  if (range && range.length === 2) {
    filters.start_time = range[0]
    filters.end_time = range[1]
  } else {
    filters.start_time = ''
    filters.end_time = ''
  }
  currentPage.value = 1
  loadPurchaseRecords()
}

// 重置筛选
const resetFilters = () => {
  Object.keys(filters).forEach((key) => {
    filters[key] = ''
  })
  dateRange.value = []
  currentPage.value = 1
  loadPurchaseRecords()
}

// 处理分页大小变化
const handleSizeChange = (size) => {
  pageSize.value = size
  currentPage.value = 1
  loadPurchaseRecords()
}

// 处理当前页变化
const handleCurrentChange = (page) => {
  currentPage.value = page
  loadPurchaseRecords()
}

// 退出单用户模式
const exitSingleUserMode = () => {
  singleUserMode.value = false
  currentUser.value = null
  router.replace({ name: 'AdminPurchaseRecords' })
  loadPurchaseRecords()
}

// 返回用户管理
const goBackToUsers = () => {
  const query = { user_id: currentUser.value?.id }

  // 如果当前用户有企业名称，添加到查询参数
  if (currentUser.value?.enterprise_info?.company_name) {
    query.company_name = currentUser.value.enterprise_info.company_name
  }
  
  // 如果当前用户有手机号，添加到查询参数
  if (currentUser.value?.phone) {
    query.phone = currentUser.value.phone
  }
   console.log('query', query)
  router.push({
     name: 'AdminUsers',
     query
   })
}

// 查看详情
const handleViewDetail = (purchaseRecord) => {
  selectedPurchaseRecord.value = purchaseRecord
  detailDialogVisible.value = true
  console.log('detailDialogVisible', detailDialogVisible.value)
}

// 监听路由变化
watch(
  () => route.query.user_id,
  async (newUserId) => {
    if (newUserId) {
      singleUserMode.value = true
      await loadUserInfo(newUserId)
    } else {
      singleUserMode.value = false
      currentUser.value = null
    }
    await loadPurchaseRecords()
  },
)

// 导出相关方法
const showExportDialog = () => {
  exportDialogVisible.value = true
}

const handleExport = async (options) => {
  try {
    exportLoading.value = true

    // 构建导出参数
    const params = {
      format: options.format
    }

    // 添加企业筛选
    if (options.companyIds.length > 0) {
      params.user_ids = options.companyIds.join(',')
    }

    // 添加产品筛选
    if (options.productIds.length > 0) {
      params.product_ids = options.productIds.join(',')
    }

    // 添加支付类型筛选
    if (options.paymentType) {
      params.payment_type = options.paymentType
    }

    // 添加支付渠道筛选
    if (options.payChannel) {
      params.pay_channel = options.payChannel
    }

    // 添加状态筛选
    if (options.status) {
      params.status = options.status
    }

    // 添加时间范围筛选
    if (options.dateRange && options.dateRange.length === 2) {
      params.start_time = options.dateRange[0]
      params.end_time = options.dateRange[1]
    }

    // 调用导出API（需要在后端添加相应的API）
    const response = await financeApi.exportAdminPurchaseRecords(params)

    // 创建下载链接（二进制在 response.data，见 request 响应拦截器包装）
    const blob = new Blob([response.data], {
      type: options.format === 'excel'
        ? 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet'
        : 'text/csv;charset=utf-8'
    })

    const url = URL.createObjectURL(blob)
    const link = document.createElement('a')
    link.href = url
    link.download = `购买记录.${options.format === 'excel' ? 'xlsx' : 'csv'}`
    document.body.appendChild(link)
    link.click()
    document.body.removeChild(link)
    URL.revokeObjectURL(url)

    ElMessage.success('导出成功')
    exportDialogVisible.value = false

  } catch (error) {
    console.error('导出失败:', error)
    ElMessage.error('导出失败，请稍后重试')
  } finally {
    exportLoading.value = false
  }
}
</script>

<style scoped>
.info-section {
  border: 1px solid #e5e7eb;
  border-radius: 0.5rem;
  padding: 1rem;
}

.info-item {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
}

.info-label {
  font-size: 0.875rem;
  font-weight: 500;
  color: #374151;
  min-width: 100px;
}

.info-value {
  font-size: 0.875rem;
  color: #111827;
  flex: 1;
}

.purchase-detail-dialog :deep(.el-dialog) {
  border-radius: 16px;
  overflow: hidden;
}

.purchase-detail-dialog :deep(.el-dialog__header) {
  background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
  border-bottom: 1px solid rgba(226, 232, 240, 0.6);
  padding: 20px 24px;
}

.purchase-detail-dialog :deep(.el-dialog__title) {
  font-size: 18px;
  font-weight: 600;
  color: #1e293b;
}

.purchase-detail-dialog :deep(.el-dialog__body) {
  padding: 24px;
  max-height: 70vh;
  overflow-y: auto;
}

/* 表格样式优化 */
:deep(.el-table) {
  border-radius: 8px;
  overflow: hidden;
}

:deep(.el-table th) {
  background: #f8fafc !important;
  border-bottom: 1px solid #e2e8f0;
}

:deep(.el-table td) {
  border-bottom: 1px solid #f1f5f9;
}

:deep(.el-table tr:hover > td) {
  background: #f8fafc !important;
}

/* 响应式设计 */
@media (max-width: 768px) {
  .info-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.25rem;
  }

  .info-label {
    min-width: auto;
  }
}
</style>
