<template>
  <div class="page-container">
    <n-card>
      <!-- 搜索表单 -->
      <div class="search-form">
        <n-form inline :model="searchForm" label-placement="left">
          <n-form-item>
            <n-space>
              <n-button type="primary" @click="handleSearch">
                <template #icon><n-icon><SearchOutline /></n-icon></template>
                搜索
              </n-button>
              <n-button @click="handleReset">
                <template #icon><n-icon><RefreshOutline /></n-icon></template>
                重置
              </n-button>
            </n-space>
          </n-form-item>
        </n-form>
      </div>

      <!-- 工具栏 -->
      <div class="table-toolbar">
        <n-space>
          <n-button type="primary" @click="handleAdd">
            <template #icon><n-icon><AddOutline /></n-icon></template>
            新增
          </n-button>
          <n-button @click="importModalVisible = true">
            <template #icon><n-icon><CloudUploadOutline /></n-icon></template>
            导入
          </n-button>
          <n-button @click="handleExport">
            <template #icon><n-icon><DownloadOutline /></n-icon></template>
            导出{{ selectedIds.length > 0 ? `(${selectedIds.length})` : '' }}
          </n-button>
          <n-button type="error" :disabled="selectedIds.length === 0" @click="handleBatchDelete">
            <template #icon><n-icon><TrashOutline /></n-icon></template>
            删除
          </n-button>
        </n-space>
      </div>

      <!-- 表格 -->
      <n-data-table
        :columns="columns"
        :data="tableData"
        :loading="loading"
        :pagination="pagination"
        :row-key="(row) => row.id"
        :scroll-x="1200"
        @update:page="handlePageChange"
        @update:page-size="handlePageSizeChange"
        @update:checked-row-keys="handleCheck"
      />
    </n-card>

    <!-- 新增/编辑弹窗 -->
    <n-modal v-model:show="modalVisible" preset="card" :title="modalTitle" style="width: 600px">
      <n-form ref="formRef" :model="formData" :rules="formRules" label-placement="left" label-width="100px">
        <n-form-item label="订阅的异常key" path="subscriptionKey">
          <n-select v-model:value="formData.subscriptionKey" placeholder="请选择订阅的异常key" :options="[]" />
        </n-form-item>
        <n-form-item label="异常名称" path="title">
          <n-input v-model:value="formData.title" placeholder="请输入异常名称" />
        </n-form-item>
        <n-form-item label="订阅的设备集合" path="subscriptionDeviceIds">
          <n-input v-model:value="formData.subscriptionDeviceIds" placeholder="请输入订阅的设备集合" />
        </n-form-item>
        <n-form-item label="订阅的异常字段" path="subscriptionDiscoverField">
          <n-select v-model:value="formData.subscriptionDiscoverField" placeholder="请选择订阅的异常字段" :options="[]" />
        </n-form-item>
        <n-form-item label="发送方式, 多选 1站内信 2终端推送 3APP 4第三方" path="sendingMethod">
          <n-checkbox-group v-model:value="formData.sendingMethod">
            <n-space>
              <n-checkbox v-for="opt in sendingMethodOptions" :key="opt.value" :value="opt.value">{{ opt.label }}</n-checkbox>
            </n-space>
          </n-checkbox-group>
        </n-form-item>
        <n-form-item label="检验值" path="discoverValue">
          <n-input v-model:value="formData.discoverValue" placeholder="请输入检验值" />
        </n-form-item>
        <n-form-item label="检测方法, 1大于 2大于等于 3小于 4小于等于 5不等" path="detectionMethod">
          <n-select v-model:value="formData.detectionMethod" placeholder="请选择检测方法, 1大于 2大于等于 3小于 4小于等于 5不等" :options="detectionMethodOptions" />
        </n-form-item>
        <n-form-item label="通知人集合" path="notifier">
          <n-input v-model:value="formData.notifier" placeholder="请输入通知人集合" />
        </n-form-item>
        <n-form-item label="通知内容" path="notifierContent">
          <n-input v-model:value="formData.notifierContent" type="textarea" placeholder="请输入通知内容" />
        </n-form-item>
        <n-form-item label="是否需要异常填报" path="abnormalReporting">
          <n-radio-group v-model:value="formData.abnormalReporting">
            <n-space>
              <n-radio v-for="opt in abnormalReportingOptions" :key="opt.value" :value="opt.value">{{ opt.label }}</n-radio>
            </n-space>
          </n-radio-group>
        </n-form-item>
      </n-form>
      <template #footer>
        <n-space justify="end">
          <n-button @click="modalVisible = false">取消</n-button>
          <n-button type="primary" @click="handleSubmit">确定</n-button>
        </n-space>
      </template>
    </n-modal>

    <!-- 导入弹窗 -->
    <n-modal v-model:show="importModalVisible" preset="card" title="导入ErrorNotification" style="width: 500px">
      <n-space vertical>
        <n-alert type="info">
          <template #header>导入说明</template>
          <ul style="margin: 0; padding-left: 16px; line-height: 1.8">
            <li>请先下载导入模板，按模板格式填写数据</li>
            <li>支持 .xlsx 或 .xls 格式</li>
          </ul>
        </n-alert>
        <n-space>
          <n-button type="primary" @click="handleDownloadTemplate">
            <template #icon><n-icon><DownloadOutline /></n-icon></template>
            下载模板
          </n-button>
        </n-space>
        <n-upload :max="1" accept=".xlsx,.xls" :show-file-list="true" :custom-request="handleImportUpload">
          <n-upload-dragger>
            <div style="margin-bottom: 12px">
              <n-icon size="48" :depth="3"><CloudUploadOutline /></n-icon>
            </div>
            <n-text style="font-size: 16px">点击或拖拽文件到此处上传</n-text>
            <n-p depth="3" style="margin: 8px 0 0 0">支持 .xlsx 或 .xls 格式</n-p>
          </n-upload-dragger>
        </n-upload>
      </n-space>
      <template #footer>
        <n-button @click="importModalVisible = false">关闭</n-button>
      </template>
    </n-modal>
  </div>
</template>

<script setup lang="ts">
import { ref, reactive, h, onMounted } from 'vue'
import { NButton, NSpace, NIcon, NUpload, useMessage, useDialog, type DataTableColumns, type UploadCustomRequestOptions } from 'naive-ui'
import { SearchOutline, RefreshOutline, AddOutline, TrashOutline, CreateOutline, CloudUploadOutline, DownloadOutline } from '@vicons/ionicons5'
import { errorNotificationApi, type ErrorNotification } from '@/api/errorNotification'
import { dictDataApi } from '@/api/org'

const message = useMessage()
const dialog = useDialog()

// 搜索表单
const searchForm = reactive({
})

// 表格数据
const tableData = ref<ErrorNotification[]>([])
const loading = ref(false)
const selectedIds = ref<number[]>([])
const pagination = reactive({
  page: 1,
  pageSize: 10,
  itemCount: 0,
  showSizePicker: true,
  pageSizes: [10, 20, 50]
})

// 弹窗
const modalVisible = ref(false)
const modalTitle = ref('')
const importModalVisible = ref(false)
const formRef = ref()
const defaultFormData: ErrorNotification = {
  subscriptionKey: '',
  title: '',
  subscriptionDeviceIds: '',
  subscriptionDiscoverField: '',
  sendingMethod: [],
  discoverValue: '',
  detectionMethod: '',
  notifier: '',
  notifierContent: '',
  abnormalReporting: undefined,
}
const formData = reactive<ErrorNotification>({ ...defaultFormData })

// 字典选项（下拉框/单选框/复选框关联字典时使用）
const sendingMethodOptions = ref<{ label: string; value: any }[]>([])
const detectionMethodOptions = ref<{ label: string; value: any }[]>([])
const abnormalReportingOptions = ref<{ label: string; value: any }[]>([])

// 表单校验规则
const formRules = {
}

// 表格列
const columns: DataTableColumns<ErrorNotification> = [
  { type: 'selection' },
  { title: '订阅的异常key', key: 'subscriptionKey' },
  { title: '异常名称', key: 'title' },
  { title: '订阅的设备集合', key: 'subscriptionDeviceIds' },
  { title: '订阅的异常字段', key: 'subscriptionDiscoverField' },
  { title: '发送方式, 多选 1站内信 2终端推送 3APP 4第三方', key: 'sendingMethod',
    render(row) {
      const vals = Array.isArray(row.sendingMethod) ? row.sendingMethod : (row.sendingMethod ? String(row.sendingMethod).split(',') : [])
      return vals.map(v => sendingMethodOptions.value.find(o => String(o.value) === String(v))?.label ?? v).filter(Boolean).join(', ') || '-'
    }
  },
  { title: '检验值', key: 'discoverValue' },
  { title: '检测方法, 1大于 2大于等于 3小于 4小于等于 5不等', key: 'detectionMethod',
    render(row) {
      const val = row.detectionMethod
      const opt = detectionMethodOptions.value.find(o => o.value === val || String(o.value) === String(val))
      return opt ? opt.label : (val ?? '-')
    }
  },
  { title: '通知人集合', key: 'notifier' },
  { title: '创建人', key: 'createBy' },
  { title: '创建时间', key: 'crateTime' },
  { title: '通知内容', key: 'notifierContent' },
  { title: '是否需要异常填报', key: 'abnormalReporting',
    render(row) {
      const val = row.abnormalReporting
      const opt = abnormalReportingOptions.value.find(o => o.value === val || String(o.value) === String(val))
      return opt ? opt.label : (val ?? '-')
    }
  },
  {
    title: '操作',
    key: 'actions',
    width: 140,
    fixed: 'right',
    render(row) {
      return h('div', { style: { display: 'flex', alignItems: 'center', gap: '8px', flexWrap: 'nowrap' } }, [
        h(NButton, { size: 'small', quaternary: true, onClick: () => handleEdit(row) }, {
          default: () => [h(NIcon, null, { default: () => h(CreateOutline) }), ' 编辑']
        }),
        h(NButton, { size: 'small', quaternary: true, type: 'error', onClick: () => handleDelete(row) }, {
          default: () => [h(NIcon, null, { default: () => h(TrashOutline) }), ' 删除']
        })
      ])
    }
  }
]

// 加载数据
async function loadData() {
  loading.value = true
  try {
    const res = await errorNotificationApi.page({
      page: pagination.page,
      pageSize: pagination.pageSize,
    })
    tableData.value = res.list
    pagination.itemCount = res.total
  } finally {
    loading.value = false
  }
}

// 搜索
function handleSearch() {
  pagination.page = 1
  loadData()
}

// 重置
function handleReset() {
  handleSearch()
}

// 分页
function handlePageChange(page: number) {
  pagination.page = page
  loadData()
}

function handlePageSizeChange(pageSize: number) {
  pagination.pageSize = pageSize
  pagination.page = 1
  loadData()
}

// 选择
function handleCheck(keys: Array<string | number>) {
  selectedIds.value = keys as number[]
}

// 新增
function handleAdd() {
  modalTitle.value = '新增ErrorNotification'
  Object.assign(formData, defaultFormData)
  modalVisible.value = true
}

// 编辑
function handleEdit(row: ErrorNotification) {
  modalTitle.value = '编辑ErrorNotification'
  Object.assign(formData, row)
  if (formData.crateTime && typeof formData.crateTime === 'string') {
    formData.crateTime = new Date(formData.crateTime.replace(' ', 'T')).getTime()
  }
  modalVisible.value = true
}

// 提交
async function handleSubmit() {
  await formRef.value?.validate()
  try {
    const submitData = { ...formData } as ErrorNotification
    if (typeof submitData.crateTime === 'number') {
      submitData.crateTime = new Date(submitData.crateTime).toISOString().slice(0, 19).replace('T', ' ')
    }
    if (submitData.id) {
      await errorNotificationApi.update(submitData)
      message.success('修改成功')
    } else {
      await errorNotificationApi.create(submitData)
      message.success('新增成功')
    }
    modalVisible.value = false
    loadData()
  } catch (error) {
    // 错误已在拦截器处理
  }
}

// 删除
function handleDelete(row: ErrorNotification) {
  dialog.warning({
    title: '提示',
    content: '确定要删除该记录吗？',
    positiveText: '确定',
    negativeText: '取消',
    onPositiveClick: async () => {
      try {
        await errorNotificationApi.delete([row.id!])
        message.success('删除成功')
        loadData()
      } catch (error) {
        // 错误已在拦截器处理
      }
    }
  })
}

// 批量删除
function handleBatchDelete() {
  dialog.warning({
    title: '提示',
    content: `确定要删除选中的 ${selectedIds.value.length} 条记录吗？`,
    positiveText: '确定',
    negativeText: '取消',
    onPositiveClick: async () => {
      try {
        await errorNotificationApi.delete(selectedIds.value)
        message.success('删除成功')
        selectedIds.value = []
        loadData()
      } catch (error) {
        // 错误已在拦截器处理
      }
    }
  })
}

// 导出
async function handleExport() {
  try {
    const params: Record<string, any> = {}
    if (selectedIds.value.length > 0) params.ids = selectedIds.value
    const blob = await errorNotificationApi.export(params)
    const url = window.URL.createObjectURL(blob)
    const link = document.createElement('a')
    link.href = url
    link.download = 'ErrorNotification数据.xlsx'
    link.click()
    window.URL.revokeObjectURL(url)
  } catch (error) {
    // 错误已在拦截器处理
  }
}

// 下载导入模板
async function handleDownloadTemplate() {
  try {
    const blob = await errorNotificationApi.downloadTemplate()
    const url = window.URL.createObjectURL(blob)
    const link = document.createElement('a')
    link.href = url
    link.download = 'ErrorNotification导入模板.xlsx'
    link.click()
    window.URL.revokeObjectURL(url)
  } catch (error) {
    // 错误已在拦截器处理
  }
}

// 导入上传
async function handleImportUpload({ file }: UploadCustomRequestOptions) {
  if (!file.file) return
  try {
    const result = await errorNotificationApi.importData(file.file)
    if (result.fail > 0) {
      dialog.warning({
        title: '导入结果',
        content: `成功: ${result.success} 条，失败: ${result.fail} 条\n错误信息: ${(result.errors || []).join('\n') || '无'}`,
        positiveText: '确定'
      })
    } else {
      message.success(`导入成功，共 ${result.success} 条数据`)
      importModalVisible.value = false
    }
    loadData()
  } catch (error) {
    // 错误已在拦截器处理
  }
}

// 加载字典选项
async function loadDictOptions() {
  try {
    const data = await dictDataApi.listByType('sending_method')
    sendingMethodOptions.value = data.map(d => ({ label: d.dictLabel, value: d.dictValue }))
  } catch {}
  try {
    const data = await dictDataApi.listByType('detection_method')
    detectionMethodOptions.value = data.map(d => ({ label: d.dictLabel, value: d.dictValue }))
  } catch {}
  try {
    const data = await dictDataApi.listByType('sys_yes_no')
    abnormalReportingOptions.value = data.map(d => ({ label: d.dictLabel, value: (Number(d.dictValue) || d.dictValue) }))
  } catch {}
}

onMounted(() => {
  loadData()
  loadDictOptions()
})
</script>

<style scoped>
.search-form {
  margin-bottom: 16px;
}

.table-toolbar {
  margin-bottom: 16px;
}
</style>
