<template>
  <div class="app-container">
    <!-- 搜索区域 -->
    <el-form :model="queryParams" ref="queryRef" :inline="true" class="search-form">
      <el-form-item label="管网名称">
        <el-input v-model="queryParams.name" placeholder="请输入" clearable style="width: 160px" />
      </el-form-item>
      <el-form-item label="管网类型">
        <el-select v-model="queryParams.networkType" placeholder="请选择" clearable style="width: 160px">
          <el-option v-for="item in networkTypeOptions" :key="item" :label="item" :value="item" />
        </el-select>
      </el-form-item>
      <el-form-item label="所属区域">
        <el-input v-model="queryParams.area" placeholder="请输入" clearable style="width: 160px" />
      </el-form-item>
      <el-form-item>
        <el-button type="primary" @click="handleQuery">搜索</el-button>
        <el-button @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <!-- 统计概览卡片 -->
    <div class="stat-cards">
      <el-card class="stat-card stat-blue" shadow="hover">
        <div class="stat-card-inner">
          <div class="stat-icon"><el-icon :size="32"><DataLine /></el-icon></div>
          <div class="stat-info">
            <div class="stat-value">{{ stats.total }}</div>
            <div class="stat-label">总管网数</div>
          </div>
        </div>
      </el-card>
      <el-card class="stat-card stat-red" shadow="hover">
        <div class="stat-card-inner">
          <div class="stat-icon"><el-icon :size="32"><Warning /></el-icon></div>
          <div class="stat-info">
            <div class="stat-value">{{ stats.withAlarm }}</div>
            <div class="stat-label">有报警管网</div>
          </div>
        </div>
      </el-card>
      <el-card class="stat-card stat-orange" shadow="hover">
        <div class="stat-card-inner">
          <div class="stat-icon"><el-icon :size="32"><WarningFilled /></el-icon></div>
          <div class="stat-info">
            <div class="stat-value">{{ stats.totalAlarms }}</div>
            <div class="stat-label">总报警数</div>
          </div>
        </div>
      </el-card>
      <el-card class="stat-card stat-green" shadow="hover">
        <div class="stat-card-inner">
          <div class="stat-icon"><el-icon :size="32"><CircleCheck /></el-icon></div>
          <div class="stat-info">
            <div class="stat-value">{{ stats.noAlarm }}</div>
            <div class="stat-label">无报警管网</div>
          </div>
        </div>
      </el-card>
    </div>

    <!-- 数据表格 -->
    <el-table :data="tableData" border style="width: 100%" v-loading="loading">
      <el-table-column label="序号" type="index" width="60" align="center" :index="(i) => (pageNum - 1) * pageSize + i + 1" />
      <el-table-column label="管网名称" prop="name" min-width="180" />
      <el-table-column label="所属区域" prop="area" min-width="120" />
      <el-table-column label="管网类型" prop="networkType" min-width="100" align="center">
        <template #default="{ row }">
          <el-tag :type="networkTypeTagType(row.networkType)" effect="light">{{ row.networkType }}</el-tag>
        </template>
      </el-table-column>
      <el-table-column label="关联设备" prop="equipmentId" min-width="100" align="center">
        <template #default="{ row }">
          <span v-if="row.equipmentId">已关联</span>
          <span v-else style="color:#909399">未关联</span>
        </template>
      </el-table-column>
      <el-table-column label="报警次数" min-width="100" align="center">
        <template #default="{ row }">
          <span :class="row._alarmCount > 0 ? 'alarm-has' : ''">{{ row._alarmCount ?? '-' }}</span>
        </template>
      </el-table-column>
      <el-table-column label="创建时间" prop="createTime" min-width="160" align="center" />
      <el-table-column label="操作" width="100" align="center" fixed="right">
        <template #default="{ row }">
          <el-button link type="primary" @click="handleDetail(row)">查看详情</el-button>
        </template>
      </el-table-column>
    </el-table>

    <!-- 分页 -->
    <div class="pagination-wrap">
      <el-pagination
        v-model:current-page="pageNum"
        v-model:page-size="pageSize"
        :page-sizes="[10, 20, 50]"
        :total="total"
        layout="total, sizes, prev, pager, next, jumper"
        background
        @size-change="loadData"
        @current-change="loadData"
      />
    </div>

    <!-- 详情弹窗 -->
    <el-drawer v-model="detailVisible" title="管网综合风险详情" size="800px" destroy-on-close class="detail-drawer" direction="rtl">
      <template v-if="currentRow">
        <el-tabs v-model="detailTab">
          <el-tab-pane label="基本信息" name="basic">
            <el-descriptions :column="2" border>
              <el-descriptions-item label="管网名称">{{ currentRow.name }}</el-descriptions-item>
              <el-descriptions-item label="所属区域">{{ currentRow.area }}</el-descriptions-item>
              <el-descriptions-item label="管网类型">
                <el-tag :type="networkTypeTagType(currentRow.networkType)" effect="light">{{ currentRow.networkType }}</el-tag>
              </el-descriptions-item>
              <el-descriptions-item label="关联设备">{{ currentRow.equipmentId ? '已关联 (ID: ' + currentRow.equipmentId + ')' : '未关联' }}</el-descriptions-item>
              <el-descriptions-item label="坐标信息" :span="2">{{ formatPoints(currentRow.points) }}</el-descriptions-item>
              <el-descriptions-item label="创建时间">{{ currentRow.createTime }}</el-descriptions-item>
              <el-descriptions-item label="更新时间">{{ currentRow.updateTime }}</el-descriptions-item>
            </el-descriptions>
          </el-tab-pane>
          <el-tab-pane label="报警统计" name="alarm">
            <div v-if="currentRow.equipmentId" v-loading="alarmLoading">
              <div style="margin-bottom:16px">
                <el-tag :type="currentRow._alarmCount > 0 ? 'danger' : 'success'" size="large">
                  报警总数：{{ currentRow._alarmCount ?? 0 }}
                </el-tag>
              </div>
              <el-table :data="alarmList" border size="small" v-if="alarmList.length > 0">
                <el-table-column prop="alarmTime" label="报警时间" min-width="160" />
                <el-table-column prop="alarmType" label="报警类型" min-width="100" />
                <el-table-column prop="alarmContent" label="报警内容" min-width="200" />
                <el-table-column prop="status" label="状态" min-width="80" align="center">
                  <template #default="{ row }">
                    <el-tag :type="row.status === 0 ? 'warning' : row.status === 1 ? 'primary' : 'success'" size="small">
                      {{ row.status === 0 ? '未处理' : row.status === 1 ? '处理中' : '已处理' }}
                    </el-tag>
                  </template>
                </el-table-column>
              </el-table>
              <el-empty v-else description="暂无报警数据" :image-size="60" />
            </div>
            <el-empty v-else description="该管网未关联设备，无报警数据" :image-size="60" />
          </el-tab-pane>
        </el-tabs>
      </template>
      <template #footer>
        <el-button @click="detailVisible = false">关 闭</el-button>
      </template>
    </el-drawer>
  </div>
</template>

<script setup name="Zhfxtjfx">
import { ref, computed, onMounted } from 'vue'
import { useRouter } from 'vue-router'
import { DataLine, Warning, WarningFilled, CircleCheck } from '@element-plus/icons-vue'
import { getPipeNetworkPage, getAlarmDataPage } from '@/api/drainage'

const router = useRouter()

// ==================== 下拉选项 ====================
const networkTypeOptions = ['管线', '管点', '排口']

// ==================== 搜索参数 ====================
const queryParams = ref({ name: '', networkType: '管线', area: '' })
const queryRef = ref(null)

// ==================== 分页与数据 ====================
const pageNum = ref(1)
const pageSize = ref(10)
const total = ref(0)
const tableData = ref([])
const loading = ref(false)

const handleQuery = () => {
  pageNum.value = 1
  loadData()
}

const resetQuery = () => {
  queryParams.value = { name: '', networkType: '管线', area: '' }
  pageNum.value = 1
  loadData()
}

// ==================== 加载数据 ====================
const loadData = async () => {
  loading.value = true
  try {
    const params = {}
    if (queryParams.value.name) params.name = queryParams.value.name
    if (queryParams.value.networkType) params.networkType = queryParams.value.networkType
    if (queryParams.value.area) params.area = queryParams.value.area

    const res = await getPipeNetworkPage(pageNum.value, pageSize.value, params)
    const pageData = res.code !== undefined ? res.data : res
    const rows = pageData.records || pageData.rows || []
    const totalCount = pageData.total ?? 0
    total.value = totalCount

    // 为每条管网查询报警数量
    const withAlarms = await Promise.all(
      rows.map(async (item) => {
        let alarmCount = 0
        if (item.equipmentId) {
          try {
            const alarmRes = await getAlarmDataPage(1, 1, { equipmentId: item.equipmentId, equipmentType: 'drainage' })
            const alarmPageData = alarmRes.code !== undefined ? alarmRes.data : alarmRes
            alarmCount = alarmPageData.total ?? 0
          } catch (e) { /* ignore */ }
        }
        return { ...item, _alarmCount: alarmCount }
      })
    )
    tableData.value = withAlarms
  } catch (e) {
    console.error('加载管网数据失败', e)
    tableData.value = []
  } finally {
    loading.value = false
  }
}

// ==================== 统计 ====================
const stats = computed(() => {
  const list = tableData.value
  const withAlarm = list.filter(i => i._alarmCount > 0).length
  const totalAlarms = list.reduce((sum, i) => sum + (i._alarmCount || 0), 0)
  return {
    total: total.value,
    withAlarm,
    totalAlarms,
    noAlarm: list.length - withAlarm
  }
})

// ==================== 工具函数 ====================
const networkTypeTagType = (type) => {
  const map = { '管线': '', '管点': 'warning', '排口': 'success' }
  return map[type] || ''
}

const formatPoints = (points) => {
  if (!points) return '暂无坐标'
  try {
    const parsed = typeof points === 'string' ? JSON.parse(points) : points
    if (Array.isArray(parsed)) {
      return parsed.map(p => `${p.lng || p[0]}, ${p.lat || p[1]}`).join(' → ')
    }
    return String(points)
  } catch {
    return String(points)
  }
}

// ==================== 详情弹窗 ====================
const detailVisible = ref(false)
const currentRow = ref(null)
const detailTab = ref('basic')
const alarmLoading = ref(false)
const alarmList = ref([])

const handleDetail = async (row) => {
  currentRow.value = row
  detailTab.value = 'basic'
  detailVisible.value = true
  alarmList.value = []

  if (row.equipmentId) {
    alarmLoading.value = true
    try {
      const res = await getAlarmDataPage(1, 20, { equipmentId: row.equipmentId, equipmentType: 'drainage' })
      alarmList.value = res.rows || res.data?.rows || res.data || []
    } catch (e) {
      alarmList.value = []
    } finally {
      alarmLoading.value = false
    }
  }
}

// ==================== 初始化 ====================
onMounted(() => {
  loadData()
})
</script>

<style scoped>
.app-container {
  padding: 20px;
}

/* 搜索表单 */
.search-form {
  margin-bottom: 16px;
}

/* 统计卡片 */
.stat-cards {
  display: flex;
  gap: 16px;
  margin-bottom: 20px;
}

.stat-card {
  flex: 1;
  min-width: 0;
}

.stat-card :deep(.el-card__body) {
  padding: 16px 20px;
}

.stat-card-inner {
  display: flex;
  align-items: center;
  gap: 16px;
}

.stat-icon {
  width: 56px;
  height: 56px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.stat-blue .stat-icon {
  background: rgba(64, 158, 255, 0.1);
  color: #409EFF;
}

.stat-red .stat-icon {
  background: rgba(245, 108, 108, 0.1);
  color: #F56C6C;
}

.stat-orange .stat-icon {
  background: rgba(230, 162, 60, 0.1);
  color: #E6A23C;
}

.stat-green .stat-icon {
  background: rgba(103, 194, 58, 0.1);
  color: #67C23A;
}

.stat-info {
  flex: 1;
  min-width: 0;
}

.stat-value {
  font-size: 28px;
  font-weight: 700;
  line-height: 1.2;
}

.stat-blue .stat-value { color: #409EFF; }
.stat-red .stat-value { color: #F56C6C; }
.stat-orange .stat-value { color: #E6A23C; }
.stat-green .stat-value { color: #67C23A; }

.stat-label {
  font-size: 14px;
  color: #909399;
  margin-top: 4px;
}

/* 报警数高亮 */
.alarm-has {
  color: #F56C6C;
  font-weight: 700;
}

/* 分页 */
.pagination-wrap {
  display: flex;
  justify-content: flex-end;
  margin-top: 16px;
}
</style>
