<template>
  <div class="modern-page-container">
    <div class="page-wrapper">
      <!-- 搜索表单卡片 -->
      <el-card v-show="showSearch" class="search-card" shadow="never">
        <template #header>
          <div class="card-header">
            <span class="card-title">
              <el-icon class="title-icon"><Search /></el-icon>
              筛选条件
            </span>
          </div>
        </template>
        <el-form :model="state.queryForm" ref="searchFormRef" :inline="true" @keyup.enter="getDataList" class="search-form">
          <el-form-item label="学年" prop="schoolYear">
            <el-select 
              v-model="state.queryForm.schoolYear" 
              placeholder="请选择学年" 
              clearable
              filterable
              style="width: 200px">
              <el-option
                v-for="item in schoolYearList"
                :key="item.year"
                :label="item.year"
                :value="item.year">
              </el-option>
            </el-select>
          </el-form-item>
          <el-form-item label="学期" prop="schoolTerm">
            <el-select 
              v-model="state.queryForm.schoolTerm" 
              placeholder="请选择学期" 
              clearable
              style="width: 200px">
              <el-option
                v-for="item in schoolTermList"
                :key="item.value"
                :label="item.label"
                :value="item.value">
              </el-option>
            </el-select>
          </el-form-item>
          <el-form-item label="学院" prop="deptCode">
            <el-select 
              v-model="state.queryForm.deptCode" 
              placeholder="请选择学院" 
              clearable
              filterable
              style="width: 200px"
              @change="handleDeptChange">
              <el-option
                v-for="item in deptList"
                :key="item.deptCode"
                :label="item.deptName"
                :value="item.deptCode">
              </el-option>
            </el-select>
          </el-form-item>
          <el-form-item label="班级" prop="classCode">
            <el-select 
              v-model="state.queryForm.classCode" 
              placeholder="请选择班级" 
              clearable
              filterable
              style="width: 200px">
              <el-option
                v-for="item in classList"
                :key="item.classCode"
                :label="item.classNo"
                :value="item.classCode">
              </el-option>
            </el-select>
          </el-form-item>
          <el-form-item>
            <el-button type="primary" plain icon="Search" @click="getDataList">查询</el-button>
            <el-button icon="Refresh" @click="handleReset">重置</el-button>
          </el-form-item>
        </el-form>
      </el-card>

      <!-- 内容卡片 -->
      <el-card class="content-card" shadow="never">
        <template #header>
          <div class="card-header">
            <span class="card-title">
              <el-icon class="title-icon"><Document /></el-icon>
              文明班级列表
            </span>
            <div class="header-actions">
              <el-button 
                icon="Plus" 
                type="primary" 
                @click="formDialogRef.openDialog()">
                新增
              </el-button>
              <el-button 
                icon="Upload" 
                type="success" 
                class="ml10" 
                @click="handleImport">
                导入
              </el-button>
              <right-toolbar  
                v-model:showSearch="showSearch" 
                class="ml10"
                @queryTable="getDataList">
            <TableColumnControl
              ref="columnControlRef"
              :columns="tableColumns"
              v-model="visibleColumns"
              trigger-type="default"
              trigger-circle
              @change="handleColumnChange"
              @order-change="handleColumnOrderChange"
            >
              <template #trigger>
                <el-tooltip class="item" effect="dark" content="列设置" placement="top">
                  <el-button circle style="margin-left: 0;">
                    <el-icon><Menu /></el-icon>
                  </el-button>
                </el-tooltip>
              </template>
            </TableColumnControl>
          </right-toolbar>
            </div>
          </div>
        </template>

        <!-- 表格 -->
        <el-table 
          :data="state.dataList" 
          v-loading="state.loading"
          stripe
          :cell-style="tableStyle.cellStyle"
          :header-cell-style="tableStyle.headerCellStyle"
          class="modern-table">
          <el-table-column type="index" label="序号" width="70" align="center">
            <template #header>
              <el-icon><List /></el-icon>
            </template>
            <template #default="{ $index }">
              {{ $index + 1 + ((state.pagination?.current || 1) - 1) * (state.pagination?.size || 10) }}
            </template>
          </el-table-column>
          <template v-for="col in visibleColumnsSorted" :key="col.prop || col.label">
            <el-table-column 
              v-if="checkColumnVisible(col.prop || '') && col.prop !== '操作'"
              :prop="col.prop" 
              :label="col.label" 
              :width="col.width"
              :min-width="col.minWidth"
              :show-overflow-tooltip="col.showOverflowTooltip !== false"
              :align="col.align || 'center'">
              <template #header>
                <el-icon v-if="col.icon"><component :is="col.icon" /></el-icon>
                <span :style="{ marginLeft: col.icon ? '4px' : '0' }">{{ col.label }}</span>
              </template>
              <template #default="scope" v-if="col.prop === 'schoolTerm'">
                <el-tag size="small" type="primary" effect="plain">
                  {{ formatSchoolTerm(scope.row.schoolTerm) }}
                </el-tag>
              </template>
              <template #default="scope" v-else-if="col.prop === 'ruleName'">
                <el-tag v-if="scope.row.ruleName" size="small" type="warning" effect="light">
                  {{ scope.row.ruleName }}
                </el-tag>
                <span v-else>-</span>
              </template>
            </el-table-column>
          </template>
          <el-table-column label="操作" width="150" align="center" fixed="right">
            <template #header>
              <el-icon><Setting /></el-icon>
              <span style="margin-left: 4px">操作</span>
            </template>
            <template #default="scope">
              <el-button 
                icon="Edit" 
                link
                type="primary" 
                @click="handleEdit(scope.row)">
                编辑
              </el-button>
              <el-button 
                icon="Delete" 
                link
                type="danger" 
                @click="handleDelete(scope.row)">
                删除
              </el-button>
            </template>
          </el-table-column>
          <template #empty>
            <el-empty description="暂无数据" :image-size="120" />
          </template>
        </el-table>

        <!-- 分页 -->
        <div class="pagination-wrapper">
          <pagination 
            @size-change="sizeChangeHandle" 
            @current-change="currentChangeHandle" 
            v-bind="state.pagination" />
        </div>
      </el-card>
    </div>

    <!-- 新增/编辑表单弹窗 -->
    <form-dialog ref="formDialogRef" @refresh="getDataList" />
    
    <!-- 导入弹窗 -->
    <el-dialog 
      title="导入文明班级" 
      v-model="importDialogVisible" 
      :width="500" 
      :close-on-click-modal="false" 
      draggable>
      <div style="margin-bottom: 15px;">
        <el-button 
          icon="Download" 
          type="success" 
          @click="handleDownloadTemplate">
          下载模板
        </el-button>
      </div>
      <el-upload
        ref="uploadRef"
        :auto-upload="false"
        :on-change="handleFileChange"
        :limit="1"
        accept=".xlsx,.xls"
        drag>
        <el-icon class="el-icon--upload"><upload-filled /></el-icon>
        <div class="el-upload__text">
          将文件拖到此处，或<em>点击上传</em>
        </div>
        <template #tip>
          <div class="el-upload__tip">
            只能上传 xlsx/xls 文件
          </div>
        </template>
      </el-upload>
      <template #footer>
        <span class="dialog-footer">
          <el-button @click="importDialogVisible = false">取 消</el-button>
          <el-button type="primary" @click="handleImportSubmit" :disabled="!importFile || importLoading">确 认</el-button>
        </span>
      </template>
    </el-dialog>
  </div>
</template>

<script setup lang="ts" name="RewardClass">
import { reactive, ref, onMounted } from 'vue'
import { BasicTableProps, useTable } from "/@/hooks/table";
import { fetchList, delObj, importExcel } from "/@/api/stuwork/rewardclass";
import { getDeptList } from "/@/api/basic/basicclass";
import { getClassListByRole } from "/@/api/basic/basicclass";
import { queryAllSchoolYear } from "/@/api/basic/basicyear";
import { getDicts } from "/@/api/admin/dict";
import { useMessage, useMessageBox } from "/@/hooks/message";
import TableColumnControl from '/@/components/TableColumnControl/index.vue'
import { UploadFilled, List, Calendar, Clock, OfficeBuilding, Grid, UserFilled, Trophy, EditPen, Setting, Menu, Search, Document } from '@element-plus/icons-vue'
import { useTableColumnControl } from '/@/hooks/tableColumn'
import FormDialog from './form.vue'

// 定义变量内容
const formDialogRef = ref()
const uploadRef = ref()
const searchFormRef = ref()
const columnControlRef = ref()
const showSearch = ref(true)
const schoolYearList = ref<any[]>([])
const schoolTermList = ref<any[]>([])
const deptList = ref<any[]>([])
const classList = ref<any[]>([])
const importDialogVisible = ref(false)
const importFile = ref<File | null>(null)
const importLoading = ref(false)

// 表格列配置
const tableColumns = [
  { prop: 'schoolYear', label: '学年', icon: Calendar },
  { prop: 'schoolTerm', label: '学期', icon: Clock },
  { prop: 'deptName', label: '学院', icon: OfficeBuilding },
  { prop: 'classNo', label: '班级', icon: Grid },
  { prop: 'classMasterName', label: '班主任', icon: UserFilled },
  { prop: 'ruleName', label: '奖项名称', icon: Trophy, minWidth: 150 },
  { prop: 'remarks', label: '备注', icon: EditPen, minWidth: 200 }
]

// 使用表格列控制 Hook
const {
  visibleColumns,
  visibleColumnsSorted,
  checkColumnVisible,
  handleColumnChange,
  handleColumnOrderChange
} = useTableColumnControl(tableColumns)

// 表格样式
const tableStyle = {
  cellStyle: { padding: '8px 0' },
  headerCellStyle: { background: '#f5f7fa', color: '#606266', fontWeight: 'bold' }
}

// 配置 useTable
const state: BasicTableProps = reactive<BasicTableProps>({
  queryForm: {
    schoolYear: '',
    schoolTerm: '',
    deptCode: '',
    classCode: ''
  },
  pageList: fetchList,
  props: {
    item: 'records',
    totalCount: 'total'
  },
  createdIsNeed: true // 页面加载时自动获取数据
})

// table hook
const {
  getDataList,
  currentChangeHandle,
  sizeChangeHandle,
  tableStyle: _tableStyle
} = useTable(state)

// 格式化学期
const formatSchoolTerm = (value: string | number) => {
  if (value === null || value === undefined || value === '') {
    return '-'
  }
  const dictItem = schoolTermList.value.find(item => item.value == value)
  return dictItem ? dictItem.label : value
}

// 学院变化
const handleDeptChange = () => {
  // 可以根据学院筛选班级，这里暂时不实现
}

// 重置
const handleReset = () => {
  searchFormRef.value?.resetFields()
  state.queryForm.schoolYear = ''
  state.queryForm.schoolTerm = ''
  state.queryForm.deptCode = ''
  state.queryForm.classCode = ''
  getDataList()
}

// 导入
const handleImport = () => {
  importDialogVisible.value = true
  importFile.value = null
  uploadRef.value?.clearFiles()
}

// 下载模板
const handleDownloadTemplate = async () => {
  try {
    const fileName = '文明班级导入模板.xlsx'
    // 使用动态导入获取文件URL，从 views/stuwork/rewardclass 到 assets/file 的相对路径
    const fileUrl = new URL(`../../../assets/file/${fileName}`, import.meta.url).href
    const response = await fetch(fileUrl)
    if (!response.ok) {
      throw new Error('文件下载失败')
    }
    const blob = await response.blob()
    const url = window.URL.createObjectURL(blob)
    const link = document.createElement('a')
    link.href = url
    link.download = fileName
    document.body.appendChild(link)
    link.click()
    window.URL.revokeObjectURL(url)
    document.body.removeChild(link)
    useMessage().success('模板下载成功')
  } catch (error) {
    useMessage().error('模板下载失败，请检查模板文件是否存在')
  }
}

// 文件变化
const handleFileChange = (file: any) => {
  importFile.value = file.raw
}

// 提交导入
const handleImportSubmit = async () => {
  if (!importFile.value) {
    useMessage().warning('请选择要导入的文件')
    return
  }
  
  importLoading.value = true
  try {
    await importExcel(importFile.value)
    useMessage().success('导入成功')
    importDialogVisible.value = false
    importFile.value = null
    uploadRef.value?.clearFiles()
    getDataList()
  } catch (err: any) {
    useMessage().error(err.msg || '导入失败')
  } finally {
    importLoading.value = false
  }
}

// 编辑
const handleEdit = (row: any) => {
  formDialogRef.value?.openDialog('edit', row)
}

// 删除
const handleDelete = async (row: any) => {
  const { confirm } = useMessageBox()
  try {
    await confirm('确定要删除该文明班级记录吗？')
    await delObj([row.id])
    useMessage().success('删除成功')
    getDataList()
  } catch (err: any) {
    if (err !== 'cancel') {
      useMessage().error(err.msg || '删除失败')
    }
  }
}

// 获取学年列表
const getSchoolYearList = async () => {
  try {
    const res = await queryAllSchoolYear()
    if (res.data && Array.isArray(res.data)) {
      schoolYearList.value = res.data
    } else {
      schoolYearList.value = []
    }
  } catch (err) {
    schoolYearList.value = []
  }
}

// 获取学期字典
const getSchoolTermDict = async () => {
  try {
    const res = await getDicts('school_term')
    if (res.data && Array.isArray(res.data)) {
      schoolTermList.value = res.data.map((item: any) => ({
        label: item.label || item.dictLabel || item.name,
        value: item.value || item.dictValue || item.code
      }))
    } else {
      schoolTermList.value = []
    }
  } catch (err) {
    schoolTermList.value = []
  }
}

// 获取学院列表
const getDeptListData = async () => {
  try {
    const res = await getDeptList()
    if (res.data && Array.isArray(res.data)) {
      deptList.value = res.data
    } else {
      deptList.value = []
    }
  } catch (err) {
    deptList.value = []
  }
}

// 获取班级列表
const getClassListData = async () => {
  try {
    const res = await getClassListByRole()
    if (res.data && Array.isArray(res.data)) {
      classList.value = res.data
    } else {
      classList.value = []
    }
  } catch (err) {
    classList.value = []
  }
}

// 初始化
onMounted(() => {
  getSchoolYearList()
  getSchoolTermDict()
  getDeptListData()
  getClassListData()
})
</script>

<style scoped lang="scss">
@import '/@/assets/styles/modern-page.scss';
</style>

