<template>
  <div class="page-container">
    <!-- 搜索表单 -->
    <div class="search-form">
      <el-form :model="searchForm" inline data-id="search-form">
        <el-form-item :label="t('摄像头ID')">
          <el-input
            v-model.trim="searchForm.cameraId"
            :placeholder="t('请输入摄像头ID')"
            clearable
            data-id="search-camera-id"
            @keyup.enter="handleSearch"
          />
        </el-form-item>
        <el-form-item :label="t('名称')">
          <el-input
            v-model.trim="searchForm.name"
            :placeholder="t('请输入名称')"
            clearable
            data-id="search-name"
            @keyup.enter="handleSearch"
          />
        </el-form-item>
        <el-form-item :label="t('所属机器')">
          <el-select v-model="searchForm.machineId" :placeholder="t('全部')" clearable data-id="search-machine">
            <el-option :label="t('全部')" value="" />
            <el-option
              v-for="machine in machineList"
              :key="machine.machineId"
              :label="machine.name"
              :value="machine.machineId"
            />
          </el-select>
        </el-form-item>
        <el-form-item :label="t('状态')">
          <el-select v-model="searchForm.status" :placeholder="t('全部')" clearable data-id="search-status">
            <el-option :label="t('全部')" value="" />
            <el-option :label="t('在线')" value="ONLINE" />
            <el-option :label="t('离线')" value="OFFLINE" />
          </el-select>
        </el-form-item>
        <el-form-item :label="t('启用状态')">
          <el-select v-model="searchForm.enabled" :placeholder="t('全部')" clearable data-id="search-enabled">
            <el-option :label="t('全部')" value="" />
            <el-option :label="t('已启用')" :value="true" />
            <el-option :label="t('已禁用')" :value="false" />
          </el-select>
        </el-form-item>
        <el-form-item :label="t('创建时间')">
          <el-date-picker
            v-model="searchForm.dateRange"
            type="daterange"
            :range-separator="t('至')"
            :start-placeholder="t('开始日期')"
            :end-placeholder="t('结束日期')"
            value-format="YYYY-MM-DD"
            data-id="search-date-range"
          />
        </el-form-item>
        <el-form-item>
          <el-button type="primary" :icon="Search" data-id="btn-search" @click="handleSearch">
            {{ t('查询') }}
          </el-button>
          <el-button :icon="RefreshRight" data-id="btn-reset" @click="handleReset">{{ t('重置') }}</el-button>
          <el-button type="primary" :icon="Plus" data-id="btn-add-camera" @click="handleAdd">
            {{ t('新增') }}
          </el-button>
        </el-form-item>
      </el-form>
    </div>

    <!-- 数据表格 -->
    <div class="table-wrapper">
      <el-table
        ref="tableRef"
        v-loading="loading"
        :data="sortedList"
        stripe
        size="default"
        data-id="camera-table"
        height="100%"
        @sort-change="handleSortChange"
      >
        <el-table-column
          prop="cameraId"
          :label="t('摄像头ID')"
          min-width="120"
          sortable="custom"
          show-overflow-tooltip
        />
        <el-table-column prop="name" :label="t('名称')" min-width="120" sortable="custom" show-overflow-tooltip>
          <template #default="{ row }">
            <el-link type="primary" :data-id="`link-edit-${row.cameraId}`" @click="handleEdit(row)">
              {{ row.name }}
            </el-link>
          </template>
        </el-table-column>
        <el-table-column prop="ip" :label="t('IP地址')" min-width="130" sortable="custom" show-overflow-tooltip />
        <el-table-column prop="port" :label="t('端口')" width="80" sortable="custom" align="center" />
        <el-table-column prop="brand" :label="t('品牌')" min-width="100" sortable="custom" show-overflow-tooltip>
          <template #default="{ row }">
            {{ getBrandLabel(row.brand) }}
          </template>
        </el-table-column>
        <el-table-column
          prop="machineName"
          :label="t('所属机器')"
          min-width="100"
          sortable="custom"
          show-overflow-tooltip
        />
        <el-table-column prop="capability" :label="t('能力')" width="100" sortable="custom" align="center">
          <template #default="{ row }">
            <el-tag :type="row.capability === 'ptz_enabled' ? 'success' : 'info'">
              {{ row.capability === 'ptz_enabled' ? 'PTZ' : t('仅切换') }}
            </el-tag>
          </template>
        </el-table-column>
        <el-table-column prop="status" :label="t('状态')" width="80" sortable="custom" align="center">
          <template #default="{ row }">
            <el-tag :type="row.status === 'ONLINE' ? 'success' : 'danger'">
              {{ row.status === 'ONLINE' ? t('在线') : t('离线') }}
            </el-tag>
          </template>
        </el-table-column>
        <el-table-column prop="enabled" :label="t('启用')" width="80" sortable="custom" align="center">
          <template #default="{ row }">
            <el-tag :type="row.enabled ? 'success' : 'info'">
              {{ row.enabled ? t('是') : t('否') }}
            </el-tag>
          </template>
        </el-table-column>
        <el-table-column prop="createdAt" :label="t('创建时间')" width="160" sortable="custom" align="center">
          <template #default="{ row }">
            {{ formatDateTime(row.createdAt) }}
          </template>
        </el-table-column>
        <el-table-column :label="t('操作')" min-width="200" align="center" fixed="right">
          <template #default="{ row }">
            <el-button
              type="primary"
              link
              :icon="View"
              :data-id="`btn-channel-${row.cameraId}`"
              @click="handleChannel(row)"
            >
              {{ t('通道') }}
            </el-button>
            <el-button
              type="success"
              link
              :icon="Connection"
              :data-id="`btn-check-${row.cameraId}`"
              @click="handleCheck(row)"
            >
              {{ t('检测') }}
            </el-button>
            <el-button type="primary" link :icon="Edit" :data-id="`btn-edit-${row.cameraId}`" @click="handleEdit(row)">
              {{ t('编辑') }}
            </el-button>
            <el-button
              type="danger"
              link
              :icon="Delete"
              :disabled="deleteLoading"
              :data-id="`btn-delete-${row.cameraId}`"
              @click="handleDelete(row)"
            >
              {{ t('删除') }}
            </el-button>
          </template>
        </el-table-column>
      </el-table>
    </div>

    <!-- 分页 -->
    <div class="pagination-container">
      <el-pagination
        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"
        background
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
      />
    </div>

    <!-- 新增/编辑弹窗 -->
    <el-dialog v-model="dialogVisible" :title="dialogTitle" width="650px" destroy-on-close data-id="dialog-camera">
      <el-scrollbar>
        <div class="form-container">
          <el-form ref="formRef" :model="form" :rules="rules" label-width="auto" data-id="form-camera">
            <el-form-item :label="t('摄像头ID')" prop="cameraId">
              <el-input
                v-model="form.cameraId"
                placeholder="请输入摄像头ID"
                :disabled="isEdit"
                data-id="input-camera-id"
              />
            </el-form-item>
            <el-form-item :label="t('名称')" prop="name">
              <el-input v-model="form.name" placeholder="请输入名称" data-id="input-name" />
            </el-form-item>
            <el-row>
              <el-col :span="12">
                <el-form-item :label="t('IP地址')" prop="ip">
                  <el-input v-model="form.ip" placeholder="请输入IP地址" data-id="input-ip" />
                </el-form-item>
              </el-col>
              <el-col :span="12">
                <el-form-item :label="t('端口')" prop="port">
                  <el-input v-model="form.port" data-id="input-port" />
                </el-form-item>
              </el-col>
            </el-row>
            <el-row>
              <el-col :span="12">
                <el-form-item :label="t('用户名')" prop="username">
                  <el-input v-model="form.username" placeholder="请输入用户名" data-id="input-username" />
                </el-form-item>
              </el-col>
              <el-col :span="12">
                <el-form-item :label="t('密码')" prop="password">
                  <el-input
                    v-model="form.password"
                    type="password"
                    placeholder="请输入密码"
                    show-password
                    data-id="input-password"
                  />
                </el-form-item>
              </el-col>
            </el-row>
            <el-row>
              <el-col :span="12">
                <el-form-item :label="t('品牌')" prop="brand">
                  <el-select v-model="form.brand" placeholder="请选择" data-id="select-brand">
                    <el-option label="海康威视" value="hikvision" />
                    <el-option label="大华" value="dahua" />
                    <el-option label="其他" value="other" />
                  </el-select>
                </el-form-item>
              </el-col>
              <el-col :span="12">
                <el-form-item :label="t('能力')" prop="capability">
                  <el-select v-model="form.capability" placeholder="请选择" data-id="select-capability">
                    <el-option label="仅切换" value="switch_only" />
                    <el-option label="支持PTZ" value="ptz_enabled" />
                  </el-select>
                </el-form-item>
              </el-col>
            </el-row>
            <el-form-item :label="t('所属机器')" prop="machineId">
              <el-select v-model="form.machineId" placeholder="请选择机器" clearable data-id="select-machine">
                <el-option
                  v-for="machine in machineList"
                  :key="machine.machineId"
                  :label="machine.name"
                  :value="machine.machineId"
                />
              </el-select>
            </el-form-item>
            <el-form-item v-if="isEdit" :label="t('启用状态')">
              <el-switch v-model="form.enabled" data-id="switch-enabled" />
            </el-form-item>
          </el-form>
        </div>
      </el-scrollbar>
      <template #footer>
        <el-button data-id="btn-cancel" @click="dialogVisible = false">{{ t('取消') }}</el-button>
        <el-button type="primary" :loading="submitLoading" data-id="btn-submit" @click="handleSubmit">
          {{ t('确定') }}
        </el-button>
      </template>
    </el-dialog>

    <!-- 通道弹窗 -->
    <el-dialog
      v-model="channelDialogVisible"
      :title="t('通道列表')"
      width="700px"
      destroy-on-close
      data-id="dialog-channel"
    >
      <el-table :data="currentChannels" border stripe>
        <el-table-column prop="channelId" :label="t('通道ID')" min-width="100" />
        <el-table-column prop="name" :label="t('名称')" min-width="100" />
        <el-table-column prop="rtspUrl" :label="t('RTSP地址')" min-width="200" show-overflow-tooltip />
        <el-table-column prop="defaultView" :label="t('默认视角')" width="90" align="center">
          <template #default="{ row }">
            <el-tag :type="row.defaultView ? 'success' : 'info'">
              {{ row.defaultView ? t('是') : t('否') }}
            </el-tag>
          </template>
        </el-table-column>
        <el-table-column prop="status" :label="t('状态')" width="80" align="center">
          <template #default="{ row }">
            <el-tag :type="row.status === 'ONLINE' ? 'success' : 'danger'">
              {{ row.status === 'ONLINE' ? t('在线') : t('离线') }}
            </el-tag>
          </template>
        </el-table-column>
      </el-table>
    </el-dialog>
  </div>
</template>

<script setup lang="ts">
import { ref, reactive, onMounted, computed } from 'vue'
import { ElMessage, ElMessageBox, type FormInstance, type FormRules } from 'element-plus'
import { Plus, Edit, Delete, Search, RefreshRight, View, Connection } from '@element-plus/icons-vue'
import { adminListCameras, adminAddCamera, adminUpdateCamera, adminDeleteCamera, adminCheckCamera } from '@/api/camera'
import { listAllMachines } from '@/api/machine'
import type { CameraInfoDTO, ChannelInfoDTO, CameraAddRequest, CameraUpdateRequest, MachineDTO } from '@/types'
import dayjs from 'dayjs'
import { useI18n } from 'vue-i18n'

const { t } = useI18n({ useScope: 'global' })

// 格式化时间
function formatDateTime(dateStr: string | undefined): string {
  if (!dateStr) return '-'
  return dayjs(dateStr).format('YYYY-MM-DD HH:mm')
}

// 获取品牌标签
function getBrandLabel(brand: string): string {
  const brandMap: Record<string, string> = {
    hikvision: '海康威视',
    dahua: '大华',
    other: '其他'
  }
  return brandMap[brand] || brand
}

const loading = ref(false)
const submitLoading = ref(false)
const deleteLoading = ref(false)
const cameraList = ref<CameraInfoDTO[]>([])
const machineList = ref<MachineDTO[]>([])
const dialogVisible = ref(false)
const channelDialogVisible = ref(false)
const currentChannels = ref<ChannelInfoDTO[]>([])
const formRef = ref<FormInstance>()

// 排序状态
const sortState = reactive<{
  prop: string
  order: 'ascending' | 'descending' | null
}>({
  prop: '',
  order: null
})

// 搜索表单
const searchForm = reactive<{
  cameraId: string
  name: string
  machineId: string
  status: '' | 'ONLINE' | 'OFFLINE'
  enabled: boolean | ''
  dateRange: [string, string] | null
}>({
  cameraId: '',
  name: '',
  machineId: '',
  status: '',
  enabled: '',
  dateRange: null
})

// 分页相关
const currentPage = ref(1)
const pageSize = ref(20)
const total = ref(0)

// 排序后的数据
const sortedList = computed(() => {
  const list = [...cameraList.value]
  if (sortState.prop && sortState.order) {
    list.sort((a, b) => {
      const aVal = a[sortState.prop as keyof CameraInfoDTO]
      const bVal = b[sortState.prop as keyof CameraInfoDTO]

      // 处理空值
      if (aVal == null && bVal == null) return 0
      if (aVal == null) return sortState.order === 'ascending' ? -1 : 1
      if (bVal == null) return sortState.order === 'ascending' ? 1 : -1

      // 比较
      let result = 0
      if (typeof aVal === 'number' && typeof bVal === 'number') {
        result = aVal - bVal
      } else if (typeof aVal === 'boolean' && typeof bVal === 'boolean') {
        result = aVal === bVal ? 0 : aVal ? 1 : -1
      } else {
        result = String(aVal).localeCompare(String(bVal))
      }

      return sortState.order === 'ascending' ? result : -result
    })
  }
  return list
})

const form = reactive<{
  id?: number
  cameraId: string
  name: string
  ip: string
  port: number
  username: string
  password: string
  brand: string
  capability: 'switch_only' | 'ptz_enabled'
  machineId: string
  enabled: boolean
}>({
  cameraId: '',
  name: '',
  ip: '',
  port: 80,
  username: 'admin',
  password: '',
  brand: 'hikvision',
  capability: 'switch_only',
  machineId: '',
  enabled: true
})

const isEdit = computed(() => !!form.id)
const dialogTitle = computed(() => (isEdit.value ? t('编辑摄像头') : t('新增摄像头')))

const rules: FormRules = {
  cameraId: [{ required: true, message: t('请输入摄像头ID'), trigger: 'blur' }],
  name: [{ required: true, message: t('请输入名称'), trigger: 'blur' }],
  ip: [
    { required: true, message: t('请输入IP地址'), trigger: 'blur' },
    {
      pattern: /^((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?)$/,
      message: t('请输入正确的IP地址'),
      trigger: 'blur'
    }
  ]
}

async function getMachines() {
  try {
    const res = await listAllMachines()
    if (res.success) {
      machineList.value = res.data
    }
  } catch (error) {
    console.error(t('获取机器列表失败'), error)
  }
}

async function getList() {
  loading.value = true
  try {
    // 构建查询参数
    const params: Record<string, any> = {
      page: currentPage.value,
      size: pageSize.value
    }
    // 搜索关键词（摄像头ID或名称）
    if (searchForm.cameraId || searchForm.name) {
      params.keyword = searchForm.cameraId || searchForm.name
    }
    // 机器过滤
    if (searchForm.machineId) {
      params.machineId = searchForm.machineId
    }
    // 状态过滤
    if (searchForm.status) {
      params.status = searchForm.status
    }
    // 启用状态过滤
    if (searchForm.enabled !== '') {
      params.enabled = searchForm.enabled
    }
    // 排序
    if (sortState.prop && sortState.order) {
      params.sortBy = sortState.prop
      params.sortDir = sortState.order === 'ascending' ? 'ASC' : 'DESC'
    }

    const res = await adminListCameras(params)
    if (res.success) {
      cameraList.value = res.data.list
      total.value = res.data.total || 0
    }
  } finally {
    loading.value = false
  }
}

function handleSearch() {
  currentPage.value = 1 // 搜索时重置到第一页
  getList()
}

function handleReset() {
  searchForm.cameraId = ''
  searchForm.name = ''
  searchForm.machineId = ''
  searchForm.status = ''
  searchForm.enabled = ''
  searchForm.dateRange = null
  currentPage.value = 1
  // 重置排序
  sortState.prop = ''
  sortState.order = null
  getList()
}

// 排序变化处理
function handleSortChange({ prop, order }: { prop: string; order: 'ascending' | 'descending' | null }) {
  sortState.prop = prop || ''
  sortState.order = order
  getList()
}

function handleAdd() {
  Object.assign(form, {
    id: undefined,
    cameraId: '',
    name: '',
    ip: '',
    port: 80,
    username: 'admin',
    password: '',
    brand: 'hikvision',
    capability: 'switch_only',
    machineId: '',
    enabled: true
  })
  dialogVisible.value = true
}

function handleEdit(row: CameraInfoDTO) {
  Object.assign(form, {
    id: row.id,
    cameraId: row.cameraId,
    name: row.name,
    ip: row.ip,
    port: row.port,
    username: row.username,
    password: '',
    brand: row.brand,
    capability: row.capability,
    machineId: row.machineId || '',
    enabled: row.enabled
  })
  dialogVisible.value = true
}

function handleChannel(row: CameraInfoDTO) {
  currentChannels.value = row.channels || []
  channelDialogVisible.value = true
}

async function handleCheck(row: CameraInfoDTO) {
  try {
    const res = await adminCheckCamera(row.id)
    if (res.success) {
      if (res.data) {
        ElMessage.success(t('摄像头连接正常'))
      } else {
        ElMessage.warning(t('摄像头连接失败'))
      }
    }
  } catch (error) {
    console.error(t('检测失败'), error)
  }
}

async function handleDelete(row: CameraInfoDTO) {
  if (deleteLoading.value) return

  try {
    await ElMessageBox.confirm(`${t('确定要删除摄像头')} "${row.name}" ${t('吗？')}`, t('提示'), {
      type: 'warning'
    })
    deleteLoading.value = true
    const res = await adminDeleteCamera(row.id)
    if (res.success) {
      ElMessage.success(t('删除成功'))
      getList()
    }
  } catch (error) {
    if (error !== 'cancel') {
      console.error(t('删除失败'), error)
    }
  } finally {
    deleteLoading.value = false
  }
}

async function handleSubmit() {
  if (!formRef.value) return

  await formRef.value.validate(async (valid) => {
    if (valid) {
      submitLoading.value = true
      try {
        if (isEdit.value) {
          const updateData: CameraUpdateRequest = {
            id: form.id!,
            name: form.name,
            ip: form.ip,
            port: form.port,
            username: form.username,
            password: form.password || undefined,
            brand: form.brand,
            capability: form.capability,
            machineId: form.machineId || undefined,
            enabled: form.enabled
          }
          const res = await adminUpdateCamera(updateData)
          if (res.success) {
            ElMessage.success(t('修改成功'))
            dialogVisible.value = false
            getList()
          }
        } else {
          const addData: CameraAddRequest = {
            cameraId: form.cameraId,
            cameraName: form.name
          }
          const res = await adminAddCamera(addData)
          if (res.success) {
            ElMessage.success(t('新增成功'))
            dialogVisible.value = false
            getList()
          }
        }
      } finally {
        submitLoading.value = false
      }
    }
  })
}

function handleSizeChange(val: number) {
  pageSize.value = val
  currentPage.value = 1
  getList()
}

function handleCurrentChange(val: number) {
  currentPage.value = val
  getList()
}

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

<style lang="scss" scoped>
.page-container {
  display: flex;
  flex-direction: column;
  box-sizing: border-box;
}

.form-container {
  padding-top: 18px;
}

.search-form {
  flex-shrink: 0;
  margin-bottom: 16px;
  padding: 16px 16px 4px 16px;
  background: #f5f7fa;

  :deep(.el-form-item) {
    margin-bottom: 12px;
    margin-right: 16px;
  }

  :deep(.el-input),
  :deep(.el-select) {
    width: 160px;
  }

  :deep(.el-date-editor--daterange) {
    width: 280px;

    .el-range-input {
      width: 90px;
    }

    .el-range-separator {
      width: 30px;
    }
  }
}

.table-wrapper {
  flex: 1;
  min-height: 0;
  overflow: hidden;
}

.pagination-container {
  flex-shrink: 0;
  display: flex;
  justify-content: flex-end;
  padding-top: 16px;
}

// 表格样式
:deep(.el-table) {
  // 斑马纹对比度
  --el-table-row-hover-bg-color: #f0f0ff;

  .el-table__row--striped td.el-table__cell {
    background-color: #f8f9fc;
  }

  // 表头样式
  .el-table__header th {
    background-color: #f5f7fa;
    color: #333;
    font-weight: 600;
  }

  // 排序图标颜色
  .el-table__column-filter-trigger,
  .caret-wrapper {
    .sort-caret.ascending {
      border-bottom-color: #4f46e5;
    }

    .sort-caret.descending {
      border-top-color: #4f46e5;
    }
  }
}

// 弹窗 Indigo 主题
:deep(.el-dialog) {
  .el-dialog__header {
    border-bottom: 1px solid #e5e7eb;
    padding-bottom: 16px;
  }

  .el-dialog__footer {
    border-top: 1px solid #e5e7eb;
    padding-top: 16px;
  }
}
</style>
