import 'package:aioa_mobile/core/auth/authenticated_http_client.dart';
import 'package:aioa_mobile/core/config/runtime_config.dart';
import 'package:aioa_mobile/features/form/data/leave_draft_submission_repository.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';

final leaveDraftSubmissionRepositoryProvider =
    Provider<LeaveDraftSubmissionRepository>(
      (ref) => LeaveDraftSubmissionRepository(
        client: ref.watch(authenticatedHttpClientProvider),
        baseUrl: RuntimeConfig.apiBaseUrl,
      ),
    );

final leaveSubmissionProvider =
    NotifierProvider<LeaveSubmissionController, LeaveSubmissionState>(
      LeaveSubmissionController.new,
    );

class LeaveSubmissionState {
  const LeaveSubmissionState({this.submitting = false, this.error});

  final bool submitting;
  final String? error;
}

class LeaveSubmissionController extends Notifier<LeaveSubmissionState> {
  @override
  LeaveSubmissionState build() => const LeaveSubmissionState();

  Future<CreatedLeaveDraft?> submit(Map<String, Object?> values) async {
    if (state.submitting) return null;
    state = const LeaveSubmissionState(submitting: true);
    try {
      final created = await ref
          .read(leaveDraftSubmissionRepositoryProvider)
          .create(values);
      state = const LeaveSubmissionState();
      return created;
    } on LeaveDraftSubmissionException catch (error) {
      state = LeaveSubmissionState(error: error.message);
      return null;
    }
  }
}