tboss_oa_module/lib/features/overtime/overtime_apply_controller.dart

import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'overtime_model.dart';
import 'overtime_api.dart';

class OvertimeApplyState {
  final OvertimeModel overtime;
  final bool isSubmitting;
  const OvertimeApplyState({required this.overtime, this.isSubmitting = false});
  OvertimeApplyState copyWith({OvertimeModel? overtime, bool? isSubmitting}) =>
      OvertimeApplyState(overtime: overtime ?? this.overtime, isSubmitting: isSubmitting ?? this.isSubmitting);
}

class OvertimeApplyController extends StateNotifier<OvertimeApplyState> {
  final OvertimeApi _api;
  OvertimeApplyController(this._api)
      : super(OvertimeApplyState(overtime: OvertimeModel(
          id: '', applicationNo: '', applicantId: '', applicantName: '',
          deptId: '', deptName: '', otDate: DateTime.now(),
          startTime: DateTime.now(), endTime: DateTime.now().add(const Duration(hours: 2)),
          otHours: 2.0, otType: '工作日加班', compensationType: '加班费',
          reason: '', createTime: DateTime.now(), updateTime: DateTime.now(),
        )));

  void updateOtDate(DateTime d) => state = state.copyWith(overtime: state.overtime.copyWith(otDate: d));
  void updateType(String t) => state = state.copyWith(overtime: state.overtime.copyWith(otType: t));
  void updateCompensation(String c) => state = state.copyWith(overtime: state.overtime.copyWith(compensationType: c));
  void updateStartTime(DateTime t) { state = state.copyWith(overtime: state.overtime.copyWith(startTime: t)); _recalc(); }
  void updateEndTime(DateTime t) { state = state.copyWith(overtime: state.overtime.copyWith(endTime: t)); _recalc(); }
  void updateReason(String r) => state = state.copyWith(overtime: state.overtime.copyWith(reason: r));
  void _recalc() {
    final d = state.overtime.endTime.difference(state.overtime.startTime).inMinutes / 60.0;
    state = state.copyWith(overtime: state.overtime.copyWith(otHours: d));
  }
  Future<bool> submit() async {
    state = state.copyWith(isSubmitting: true);
    try { await _api.submit(state.overtime.copyWith(status: 'pending')); return true; }
    catch (_) { return false; }
    finally { state = state.copyWith(isSubmitting: false); }
  }
  Future<bool> saveDraft() async {
    state = state.copyWith(isSubmitting: true);
    try { await _api.saveDraft(state.overtime); return true; }
    catch (_) { return false; }
    finally { state = state.copyWith(isSubmitting: false); }
  }
}

final overtimeApplyProvider = StateNotifierProvider.autoDispose.family<OvertimeApplyController, OvertimeApplyState, String?>((ref, editId) {
  return OvertimeApplyController(ref.read(overtimeApiProvider));
});