<template>
  <div>
    <div class="gva-table-box">
      <div class="gva-btn-list">
        <el-button type="primary" @click="refreshList">刷新列表</el-button>
      </div>

      <!-- 统计信息 -->
      <div style="margin-bottom: 20px; padding: 15px; background: #f8f9fa; border-radius: 8px;">
        <el-row :gutter="20">
          <el-col :span="6">
            <div style="text-align: center;">
              <div style="font-size: 24px; font-weight: bold; color: #409eff;">{{ getStats().total }}</div>
              <div style="color: #666;">总申请数</div>
            </div>
          </el-col>
          <el-col :span="6">
            <div style="text-align: center;">
              <div style="font-size: 24px; font-weight: bold; color: #e6a23c;">{{ getStats().pending }}</div>
              <div style="color: #666;">待审核</div>
            </div>
          </el-col>
          <el-col :span="6">
            <div style="text-align: center;">
              <div style="font-size: 24px; font-weight: bold; color: #67c23a;">{{ getStats().approved }}</div>
              <div style="color: #666;">已通过</div>
            </div>
          </el-col>
          <el-col :span="6">
            <div style="text-align: center;">
              <div style="font-size: 24px; font-weight: bold; color: #f56c6c;">{{ getStats().rejected }}</div>
              <div style="color: #666;">已拒绝</div>
            </div>
          </el-col>
        </el-row>
      </div>

      <!-- 讲师申请列表 -->
      <el-table
        :data="tableData"
        v-loading="tableLoading"
        border
        stripe
        style="width: 100%"
      >
        <el-table-column type="index" label="序号" width="60" align="center" />
        <el-table-column prop="nickname" label="申请人" align="center" width="100" />
        <el-table-column prop="phone" label="手机号" align="center" width="120" />
        <el-table-column prop="reason" label="申请理由" align="center" min-width="150" show-overflow-tooltip />
        <el-table-column prop="expectRate" label="期望分成比例" align="center" width="120">
          <template #default="{ row }">
            <span class="text-blue-600 font-bold">{{ row.expectRate }}%</span>
          </template>
        </el-table-column>
        <el-table-column label="申请状态" align="center" width="100">
          <template #default="{ row }">
            <el-tag :type="getStatusTag(row.status).type">
              {{ getStatusTag(row.status).label }}
            </el-tag>
          </template>
        </el-table-column>
        <el-table-column prop="CreatedAt" label="申请时间" align="center" width="180">
          <template #default="{ row }">
            {{ formatDate(row.CreatedAt) }}
          </template>
        </el-table-column>
        <el-table-column label="操作" align="center" width="200">
          <template #default="{ row }">
            <el-button
              v-if="row.status === 0"
              type="success"
              size="small"
              @click="handleReview(row, 1)"
            >
              通过
            </el-button>
            <el-button
              v-if="row.status === 0"
              type="danger"
              size="small"
              @click="handleReview(row, 2)"
            >
              拒绝
            </el-button>
            <el-button
              type="primary"
              size="small"
              @click="handleDetail(row)"
            >
              详情
            </el-button>
          </template>
        </el-table-column>
      </el-table>

      <!-- 分页 -->
      <div style="margin-top: 20px; text-align: right;">
        <el-pagination
          v-model:current-page="queryParams.page"
          v-model:page-size="queryParams.pageSize"
          :page-sizes="[10, 20, 50, 100]"
          :total="total"
          layout="total, sizes, prev, pager, next, jumper"
          @size-change="handleSizeChange"
          @current-change="changePage"
        />
      </div>
    </div>

    <!-- 审核弹窗 -->
    <el-dialog
      v-model="reviewVisible"
      :title="reviewData.status === 1 ? '通过申请' : '拒绝申请'"
      width="500px"
      destroy-on-close
    >
      <el-form :model="reviewForm" label-width="100px">
        <el-form-item label="申请人">
          <span>{{ reviewData.nickname }}</span>
        </el-form-item>
        <el-form-item label="申请理由">
          <span>{{ reviewData.reason }}</span>
        </el-form-item>
        <el-form-item label="期望分成">
          <span>{{ reviewData.expectRate }}%</span>
        </el-form-item>
        <el-form-item label="审核备注" v-if="reviewData.status === 2">
          <el-input
            v-model="reviewForm.note"
            type="textarea"
            :rows="3"
            placeholder="请输入拒绝理由"
            maxlength="200"
            show-word-limit
          />
        </el-form-item>
      </el-form>
      <template #footer>
        <span class="dialog-footer">
          <el-button @click="reviewVisible = false">取消</el-button>
          <el-button
            :type="reviewData.status === 1 ? 'success' : 'danger'"
            @click="confirmReview"
          >
            {{ reviewData.status === 1 ? '确认通过' : '确认拒绝' }}
          </el-button>
        </span>
      </template>
    </el-dialog>

    <!-- 详情弹窗 -->
    <el-dialog
      v-model="detailVisible"
      title="申请详情"
      width="600px"
      destroy-on-close
    >
      <el-descriptions :column="2" border>
        <el-descriptions-item label="申请人">{{ detailData.nickname || EMPTY_STR }}</el-descriptions-item>
        <el-descriptions-item label="手机号">{{ detailData.phone || EMPTY_STR }}</el-descriptions-item>
        <el-descriptions-item label="申请理由" :span="2">{{ detailData.reason || EMPTY_STR }}</el-descriptions-item>
        <el-descriptions-item label="期望分成比例">{{ (detailData.expectRate || 0) }}%</el-descriptions-item>
        <el-descriptions-item label="申请状态">
          <el-tag :type="getStatusTag(detailData.status).type">
            {{ getStatusTag(detailData.status).label }}
          </el-tag>
        </el-descriptions-item>
        <el-descriptions-item label="申请时间">{{ formatDate(detailData.CreatedAt) }}</el-descriptions-item>
        <el-descriptions-item label="更新时间">{{ formatDate(detailData.UpdatedAt) }}</el-descriptions-item>
        <el-descriptions-item label="审核备注" :span="2">{{ detailData.note || '无' }}</el-descriptions-item>
      </el-descriptions>
    </el-dialog>
  </div>
</template>

<script setup>
import { getTeacherApplyList, reviewTeacherApply } from '@/api/user/index.js'
import { ref, onMounted } from 'vue'
import { formatDate } from '@/utils/format'
import { ElMessage } from 'element-plus'

const tableLoading = ref(true)
const tableData = ref([])
const detailVisible = ref(false)
const detailData = ref({})
const reviewVisible = ref(false)
const reviewData = ref({})

const queryParams = ref({
  page: 1,
  pageSize: 10
})
const total = ref(0)

const EMPTY_STR = '- -'

// 获取状态标签
const getStatusTag = (status) => {
  const map = {
    0: { type: 'warning', label: '待审核' },
    1: { type: 'success', label: '已通过' },
    2: { type: 'danger', label: '已拒绝' }
  }
  return map[status] || { type: '', label: EMPTY_STR }
}

// 获取统计数据
const getStats = () => {
  const stats = {
    total: total.value,
    pending: tableData.value.filter(item => item.status === 0).length,
    approved: tableData.value.filter(item => item.status === 1).length,
    rejected: tableData.value.filter(item => item.status === 2).length
  }
  return stats
}

// 获取列表数据
const getList = async () => {
  tableLoading.value = true
  try {
    const res = await getTeacherApplyList(queryParams.value)
    if (res.code === 0) {
      tableData.value = res.data.list
      total.value = res.data.total
      console.log('讲师申请数据获取成功:', {
        total: res.data.total,
        list: res.data.list
      })
    } else {
      ElMessage.error(res.msg || '获取讲师申请列表失败')
    }
  } catch (error) {
    console.error('获取讲师申请列表失败:', error)
    ElMessage.error('获取讲师申请列表失败')
  } finally {
    tableLoading.value = false
  }
}

// 查看详情
const handleDetail = (row) => {
  detailData.value = { ...row }
  detailVisible.value = true
}

// 审核操作
const handleReview = (row, status) => {
  reviewData.value = { ...row, status }
  reviewVisible.value = true
}

// 确认审核
const confirmReview = async () => {
  try {
    const data = {
      ID: reviewData.value.ID,
      status: reviewData.value.status,
      note: reviewData.value.status === 2 ? reviewForm.value.note : ''
    }

    const res = await reviewTeacherApply(data)
    if (res.code === 0) {
      ElMessage.success(reviewData.value.status === 1 ? '审核通过成功' : '审核拒绝成功')
      reviewVisible.value = false
      getList() // 刷新列表
    } else {
      ElMessage.error(res.msg || '审核操作失败')
    }
  } catch (error) {
    console.error('审核操作失败:', error)
    ElMessage.error('审核操作失败')
  }
}

// 分页相关
const changePage = (page) => {
  queryParams.value.page = page
  getList()
}

const handleSizeChange = (size) => {
  queryParams.value.pageSize = size
  queryParams.value.page = 1
  getList()
}

// 刷新列表
const refreshList = () => {
  getList()
}

// 审核表单
const reviewForm = ref({
  note: ''
})

onMounted(() => {
  getList()
})
</script>

<style lang="scss" scoped>
.gva-table-box {
  .gva-btn-list {
    margin-bottom: 20px;
  }

  .el-row {
    .el-col {
      .el-statistic {
        text-align: center;
        padding: 20px;
        background: white;
        border-radius: 8px;
        box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);

        .el-statistic__number {
          font-size: 24px;
          font-weight: bold;
        }

        .el-statistic__label {
          color: #666;
          margin-top: 8px;
        }
      }
    }
  }
}

.dialog-footer {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}
</style>
