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<!--OA模块:加班申请-->
<template>
  <div class="app-container">
    <div class="search_form mb20">
      <div>
        <span class="search_title">申请人:</span>
        <el-input
          v-model="searchForm.applicantKeyword"
          style="width: 220px"
          placeholder="姓名或编号"
          clearable
          :prefix-icon="Search"
          @keyup.enter="onSearch"
        />
        <span class="search_title" style="margin-left: 12px">加班类型:</span>
        <el-select v-model="searchForm.overtimeType" placeholder="全部" clearable style="width: 180px">
          <el-option v-for="opt in OVERTIME_TYPE_OPTIONS" :key="opt.value" :label="opt.label" :value="opt.value" />
        </el-select>
        <el-button type="primary" style="margin-left: 10px" @click="onSearch">搜索</el-button>
        <el-button @click="resetSearch">重置</el-button>
      </div>
      <div class="search_actions">
        <el-button type="warning" plain @click="handleExport">导出</el-button>
        <el-button type="primary" @click="openAddWithTemplate">新增加班申请</el-button>
      </div>
    </div>
 
    <div class="table_list">
      <PIMTable
        rowKey="id"
        :column="tableColumn"
        :tableData="tableData"
        :page="page"
        :isSelection="false"
        :tableLoading="tableLoading"
        @pagination="onPagination"
        :total="page.total"
      />
    </div>
 
    <ApprovalInstanceSubmitDialog
      v-model="submitDialog.visible"
      :title="submitDialogTitle"
      :form="submitForm"
      :rules="submitFormRules"
      :fields="submitFormFields"
      :active-template="activeTemplate"
      :user-options="flowUserOptions"
      :is-edit="isSubmitEdit"
      :saving="submitSaving"
      :form-ref="submitFormRef"
      flow-attachments-only
      @submit="onSubmit"
    >
      <template #before="{ form, fields }">
        <FormPayloadFields :fields="displayTemplateFields(fields)" :form-payload="form.formPayload" />
        <el-row :gutter="24">
          <el-col :span="12">
            <el-form-item label="加班时长">
              <el-input :model-value="overtimeHoursDisplay(form)" readonly placeholder="根据模板中加班时间自动计算">
                <template #append>小时</template>
              </el-input>
            </el-form-item>
          </el-col>
        </el-row>
      </template>
    </ApprovalInstanceSubmitDialog>
 
    <ApprovalTemplateBindDialog
      v-model:visible="templateBindVisible"
      :module-key="APPROVAL_MODULE_KEYS.OVERTIME"
      skip-form-confirm
      @confirm="onTemplateBound"
      @closed="onTemplateBindClosed"
    />
 
    <ApprovalInstanceDetailDialog
      v-model="detailDialog.visible"
      title="加班申请详情"
      :row="detailRow"
      @edit="openEditFromDetail"
    />
  </div>
</template>
 
<script setup>
import { Search } from "@element-plus/icons-vue";
import dayjs from "dayjs";
import { ElMessage } from "element-plus";
import { getCurrentInstance, onMounted, reactive, ref } from "vue";
import FormPayloadFields from "../../ApproveManage/approve-list/components/FormPayloadFields.vue";
import ApprovalInstanceDetailDialog from "../../ApproveManage/approve-shared/components/ApprovalInstanceDetailDialog.vue";
import ApprovalInstanceSubmitDialog from "../../ApproveManage/approve-shared/components/ApprovalInstanceSubmitDialog.vue";
import ApprovalTemplateBindDialog from "../../ApproveManage/approve-shared/components/ApprovalTemplateBindDialog.vue";
import { buildInstanceTableColumns } from "../../ApproveManage/approve-shared/approvalInstanceFormConfigTable.js";
import { APPROVAL_MODULE_KEYS } from "../../ApproveManage/approve-shared/approvalModuleRegistry.js";
import { useApprovalInstanceModule } from "../../ApproveManage/approve-shared/useApprovalInstanceModule.js";
import { useFlowUserOptions } from "../../ApproveManage/approve-shared/useFlowUserOptions.js";
 
const OVERTIME_TYPE_OPTIONS = [
  { label: "工作日加班", value: "weekday" },
  { label: "休息日加班", value: "weekend" },
  { label: "法定节假日加班", value: "holiday" },
];
 
function isOvertimeDurationField(field) {
  const label = String(field?.label || "");
  return label.includes("加班时长") || field?.key === "overtimeHours";
}
 
function displayTemplateFields(fields = []) {
  return (fields || []).filter((f) => !isOvertimeDurationField(f));
}
 
function findOvertimeTimeTemplateField(fields = []) {
  return (
    fields.find((f) => f?.type === "datetimerange" && String(f?.label || "").includes("加班时间")) ||
    fields.find((f) => f?.type === "datetimerange") ||
    null
  );
}
 
function resolveOvertimeTimeRange(payload, overtimeTimeField) {
  if (!overtimeTimeField?.key) return { start: "", end: "" };
  const val = payload?.[overtimeTimeField.key];
  if (!Array.isArray(val) || val.length < 2) return { start: "", end: "" };
  return { start: val[0] || "", end: val[1] || "" };
}
 
function computeOvertimeHours(startStr, endStr) {
  if (!startStr || !endStr) return null;
  const t0 = dayjs(startStr);
  const t1 = dayjs(endStr);
  if (!t0.isValid() || !t1.isValid() || !t1.isAfter(t0)) return null;
  return Math.round((t1.diff(t0, "millisecond") / 3600000) * 100) / 100;
}
 
function overtimeHoursDisplay(form) {
  const field = findOvertimeTimeTemplateField(form.formFieldDefs);
  const { start, end } = resolveOvertimeTimeRange(form.formPayload, field);
  const h = computeOvertimeHours(start, end);
  return h == null ? "" : String(h);
}
 
const { proxy } = getCurrentInstance();
 
const searchForm = reactive({
  applicantKeyword: "",
  overtimeType: "",
});
 
const mod = useApprovalInstanceModule({
  moduleKey: APPROVAL_MODULE_KEYS.OVERTIME,
  beforeSave: validateOvertimeBeforeSave,
});
 
const {
  tableData,
  tableLoading,
  page,
  detailDialog,
  detailRow,
  submitDialog,
  submitForm,
  submitFormRef,
  submitSaving,
  isSubmitEdit,
  activeTemplate,
  submitFormFields,
  submitFormRules,
  submitDialogTitle,
  templateBindVisible,
  handleQuery,
  initModuleList,
  pagination,
  openAddWithTemplate,
  onTemplateBound,
  onTemplateBindClosed,
  openEditFromDetail,
  submitInstanceForm,
  buildTableActions,
} = mod;
 
const { flowUserOptions, loadFlowUsers } = useFlowUserOptions();
 
function validateOvertimeBeforeSave() {
  const field = findOvertimeTimeTemplateField(submitForm.formFieldDefs);
  const { start, end } = resolveOvertimeTimeRange(submitForm.formPayload, field);
  if (computeOvertimeHours(start, end) == null) {
    ElMessage.warning("请检查模板中的加班时间,结束时间须晚于开始时间");
    throw new Error("invalid overtime time");
  }
}
 
const tableColumn = buildInstanceTableColumns(tableData, buildTableActions);
 
function onSearch() {
  handleQuery(searchForm);
}
 
function resetSearch() {
  searchForm.applicantKeyword = "";
  searchForm.overtimeType = "";
  onSearch();
}
 
function onPagination(obj) {
  pagination(obj, searchForm);
}
 
async function onSubmit() {
  const ok = await submitInstanceForm({ skipValidate: true });
  if (ok) ElMessage.success(isSubmitEdit.value ? "修改成功" : "提交成功");
}
 
function handleExport() {
  const data = tableData.value;
  const blob = new Blob([JSON.stringify(data, null, 2)], { type: "application/json;charset=utf-8" });
  const url = URL.createObjectURL(blob);
  const a = document.createElement("a");
  a.href = url;
  a.download = `加班申请导出_${dayjs().format("YYYYMMDDHHmmss")}.json`;
  a.click();
  URL.revokeObjectURL(url);
  proxy?.$modal?.msgSuccess?.(`已导出 ${data.length} 条(当前页列表数据)`);
}
 
onMounted(async () => {
  loadFlowUsers();
  await initModuleList(searchForm);
});
</script>
 
<style scoped>
.mb20 {
  margin-bottom: 20px;
}
.search_form {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.search_actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.search_title {
  font-size: 14px;
  color: var(--el-text-color-regular);
}
</style>