<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 label="类型" prop="type">
            <el-select 
              v-model="state.queryForm.type" 
              placeholder="请选择类型" 
              clearable
              style="width: 200px">
              <el-option
                v-for="item in typeList"
                :key="item.value"
                :label="item.label"
                :value="item.value">
              </el-option>
            </el-select>
          </el-form-item>
          <el-form-item>
            <el-button type="primary" 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>
              班费记录列表
            </span>
            <div class="header-actions">
              <el-button
                icon="Plus"
                type="primary"
                @click="formDialogRef.openDialog()">
                新增
              </el-button>
              <el-button
                icon="DataAnalysis"
                type="warning"
                class="ml10"
                @click="handleSummary">
                班费汇总
              </el-button>
              <el-button
                icon="Download"
                type="success"
                class="ml10"
                @click="handleExport">
                导出
              </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>
              <!-- 学期列特殊模板 -->
              <template v-if="col.prop === 'schoolTerm'" #default="scope">
                <el-tag size="small" type="primary" effect="plain" round>
                  {{ formatSchoolTerm(scope.row.schoolTerm) }}
                </el-tag>
              </template>
              <!-- 发生时间列特殊模板 -->
              <template v-else-if="col.prop === 'operatTime'" #default="scope">
                <span>{{ scope.row.operatTime || '-' }}</span>
              </template>
              <!-- 类型列特殊模板 -->
              <template v-else-if="col.prop === 'type'" #default="scope">
                <el-tag size="small" type="info" effect="plain" round>
                  {{ formatType(scope.row.type) }}
                </el-tag>
              </template>
              <!-- 金额列特殊模板 -->
              <template v-else-if="col.prop === 'money'" #default="scope">
                <el-tag v-if="scope.row.money !== null && scope.row.money !== undefined" size="small" type="success" effect="plain" round>
                  ¥{{ scope.row.money.toFixed(2) }}
                </el-tag>
                <span v-else>-</span>
              </template>
              <!-- 附件列特殊模板 -->
              <template v-else-if="col.prop === 'attachment'" #default="scope">
                <el-button 
                  v-if="scope.row.attachment"
                  icon="Document"
                  link
                  type="primary"
                  size="small"
                  @click="handleViewAttachment(scope.row)">
                  查看
                </el-button>
                <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="EditPen" 
                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">
              <el-button type="primary" icon="FolderAdd" @click="formDialogRef.openDialog()">新增记录</el-button>
            </el-empty>
          </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" />

    <!-- 班费汇总弹窗 -->
    <el-dialog
      title="班费使用汇总"
      v-model="summaryDialogVisible"
      :width="900"
      :close-on-click-modal="false"
      draggable>
      <!-- 查询条件 -->
      <el-form :inline="true" class="summary-form">
        <el-form-item label="学年">
          <el-select
            v-model="summaryQuery.schoolYear"
            placeholder="请选择学年"
            clearable
            filterable
            style="width: 180px">
            <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">
          <el-select
            v-model="summaryQuery.schoolTerm"
            placeholder="请选择学期"
            clearable
            style="width: 150px">
            <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>
          <el-button type="primary" icon="Search" @click="handleSummaryQuery">查询</el-button>
        </el-form-item>
      </el-form>

      <!-- 汇总表格 -->
      <el-table
        :data="summaryData"
        v-loading="summaryLoading"
        stripe
        border
        max-height="400"
        style="width: 100%">
        <el-table-column type="index" label="序号" width="60" align="center" />
        <el-table-column prop="deptName" label="学院" min-width="120" show-overflow-tooltip />
        <el-table-column prop="classNo" label="班级" width="100" show-overflow-tooltip />
        <el-table-column prop="totalIncome" label="总收入" width="100" align="right">
          <template #default="scope">
            <span style="color: #67c23a; font-weight: bold;">
              {{ scope.row.totalIncome ? '¥' + scope.row.totalIncome.toFixed(2) : '¥0.00' }}
            </span>
          </template>
        </el-table-column>
        <el-table-column prop="totalExpense" label="总支出" width="100" align="right">
          <template #default="scope">
            <span style="color: #f56c6c; font-weight: bold;">
              {{ scope.row.totalExpense ? '¥' + scope.row.totalExpense.toFixed(2) : '¥0.00' }}
            </span>
          </template>
        </el-table-column>
        <el-table-column prop="openingBalance" label="期初结余" width="100" align="right">
          <template #default="scope">
            <span style="color: #409eff; font-weight: bold;">
              {{ scope.row.openingBalance ? '¥' + scope.row.openingBalance.toFixed(2) : '¥0.00' }}
            </span>
          </template>
        </el-table-column>
        <el-table-column prop="totalBalance" label="总结余" width="100" align="right">
          <template #default="scope">
            <span :style="{ color: scope.row.totalBalance >= 0 ? '#67c23a' : '#f56c6c', fontWeight: 'bold' }">
              {{ scope.row.totalBalance ? '¥' + scope.row.totalBalance.toFixed(2) : '¥0.00' }}
            </span>
          </template>
        </el-table-column>
        <el-table-column prop="recordCount" label="记录数" width="80" align="center" />
      </el-table>

      <!-- 汇总统计 -->
      <div v-if="summaryData.length > 0" class="summary-total">
        <el-row :gutter="20">
          <el-col :span="6">
            <div class="total-item">
              <span class="label">班级总数：</span>
              <span class="value">{{ summaryData.length }}</span>
            </div>
          </el-col>
          <el-col :span="6">
            <div class="total-item">
              <span class="label">总收入合计：</span>
              <span class="value income">¥{{ totalSummary.totalIncome.toFixed(2) }}</span>
            </div>
          </el-col>
          <el-col :span="6">
            <div class="total-item">
              <span class="label">总支出合计：</span>
              <span class="value expense">¥{{ totalSummary.totalExpense.toFixed(2) }}</span>
            </div>
          </el-col>
          <el-col :span="6">
            <div class="total-item">
              <span class="label">总结余合计：</span>
              <span class="value balance">¥{{ totalSummary.totalBalance.toFixed(2) }}</span>
            </div>
          </el-col>
        </el-row>
      </div>

      <template #footer>
        <el-button @click="summaryDialogVisible = false">关 闭</el-button>
      </template>
    </el-dialog>
  </div>
</template>

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

// 定义变量内容
const formDialogRef = 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 typeList = ref<any[]>([])

// 班费汇总相关
const summaryDialogVisible = ref(false)
const summaryLoading = ref(false)
const summaryData = ref<any[]>([])
const summaryQuery = reactive({
  schoolYear: '',
  schoolTerm: ''
})

// 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: 'operatTime', label: '发生时间', icon: Calendar, width: 180 },
  { prop: 'type', label: '类型', icon: Collection },
  { prop: 'money', label: '金额', icon: Money },
  { prop: 'operator', label: '经办人', icon: User },
  { prop: 'purpose', label: '用途', icon: Document, minWidth: 150 },
  { prop: 'attachment', label: '附件', width: 100 }
]

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

// 配置 useTable
const state: BasicTableProps = reactive<BasicTableProps>({
  queryForm: {
    schoolYear: '',
    schoolTerm: '',
    deptCode: '',
    classCode: '',
    type: ''
  },
  pageList: fetchList,
  props: {
    item: 'records',
    totalCount: 'total'
  },
  createdIsNeed: true
})

// table hook
const {
  getDataList,
  currentChangeHandle,
  sizeChangeHandle,
  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
}

// 格式化类型
const formatType = (value: string) => {
  if (!value) return '-'
  const item = typeList.value.find((item: any) => item.value === value)
  return item ? item.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 = ''
  state.queryForm.type = ''
  getDataList()
}

// 查看附件
const handleViewAttachment = (row: any) => {
  if (row.attachment) {
    const urls = typeof row.attachment === 'string' ? row.attachment.split(',') : [row.attachment]
    urls.forEach((url: string) => {
      if (url.trim()) {
        window.open(url.trim(), '_blank')
      }
    })
  }
}

// 导出
const handleExport = async () => {
  try {
    const res = await exportExcel(state.queryForm)
    const blob = new Blob([res], { 
      type: 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet' 
    })
    const url = window.URL.createObjectURL(blob)
    const link = document.createElement('a')
    link.href = url
    const fileName = `班费记录_${new Date().getTime()}.xlsx`
    link.setAttribute('download', fileName)
    document.body.appendChild(link)
    link.click()
    document.body.removeChild(link)
    window.URL.revokeObjectURL(url)
    useMessage().success('导出成功')
  } catch (err: any) {
    useMessage().error(err.msg || '导出失败')
  }
}

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

// 删除
const handleDelete = async (row: any) => {
  const { confirm } = useMessageBox()
  try {
    await confirm('确定要删除该班费记录吗？')
    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 = []
  }
}

// 获取类型字典
const getTypeDict = async () => {
  try {
    const res = await getDicts('class_fee_type')
    if (res.data && Array.isArray(res.data)) {
      typeList.value = res.data.map((item: any) => ({
        label: item.label || item.dictLabel || item.name,
        value: item.value || item.dictValue || item.code
      }))
    } else {
      typeList.value = []
    }
  } catch (err) {
    typeList.value = []
  }
}

// 打开班费汇总弹窗
const handleSummary = () => {
  // 默认选择当前学年学期
  const now = new Date()
  const year = now.getFullYear()
  const month = now.getMonth() + 1

  // 计算当前学年
  let currentYear: string
  if (month >= 9) {
    currentYear = `${year}-${year + 1}`
  } else {
    currentYear = `${year - 1}-${year}`
  }

  // 计算当前学期
  const currentTerm = (month >= 9 || month <= 1) ? '1' : '2'

  summaryQuery.schoolYear = currentYear
  summaryQuery.schoolTerm = currentTerm

  summaryDialogVisible.value = true
  handleSummaryQuery()
}

// 查询班费汇总数据
const handleSummaryQuery = async () => {
  if (!summaryQuery.schoolYear || !summaryQuery.schoolTerm) {
    useMessage().warning('请选择学年 and 学期')
    return
  }

  summaryLoading.value = true
  try {
    const res = await getSummary(summaryQuery.schoolYear, summaryQuery.schoolTerm)
    if (res.data && Array.isArray(res.data)) {
      summaryData.value = res.data
    } else {
      summaryData.value = []
    }
  } catch (err: any) {
    useMessage().error(err.msg || '获取汇总数据失败')
    summaryData.value = []
  } finally {
    summaryLoading.value = false
  }
}

// 汇总统计数据
const totalSummary = computed(() => {
  let totalIncome = 0
  let totalExpense = 0
  let totalBalance = 0

  summaryData.value.forEach(item => {
    totalIncome += item.totalIncome || 0
    totalExpense += item.totalExpense || 0
    totalBalance += item.totalBalance || 0
  })

  return {
    totalIncome,
    totalExpense,
    totalBalance
  }
})

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

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

.summary-form {
  margin-bottom: 15px;
}

.summary-total {
  margin-top: 15px;
  padding: 15px;
  background: #f5f7fa;
  border-radius: 4px;

  .total-item {
    text-align: center;

    .label {
      color: #909399;
      font-size: 14px;
    }

    .value {
      font-size: 18px;
      font-weight: bold;
      margin-left: 5px;

      &.income {
        color: #67c23a;
      }

      &.expense {
        color: #f56c6c;
      }

      &.balance {
        color: #409eff;
      }
    }
  }
}
</style>
