immich/mobile/lib/modules/search/providers/search_result_page.provider.dart

import 'package:collection/collection.dart';
import 'package:hooks_riverpod/hooks_riverpod.dart';
import 'package:immich_mobile/modules/search/models/search_result_page_state.model.dart';

import 'package:immich_mobile/modules/search/services/search.service.dart';
import 'package:immich_mobile/shared/models/immich_asset.model.dart';
import 'package:intl/intl.dart';

class SearchResultPageNotifier extends StateNotifier<SearchResultPageState> {
  SearchResultPageNotifier(this._searchService)
      : super(
          SearchResultPageState(
            searchResult: [],
            isError: false,
            isLoading: true,
            isSuccess: false,
          ),
        );

  final SearchService _searchService;

  void search(String searchTerm) async {
    state = state.copyWith(
        searchResult: [], isError: false, isLoading: true, isSuccess: false);

    List<ImmichAsset>? assets = await _searchService.searchAsset(searchTerm);

    if (assets != null) {
      state = state.copyWith(
          searchResult: assets,
          isError: false,
          isLoading: false,
          isSuccess: true);
    } else {
      state = state.copyWith(
          searchResult: [], isError: true, isLoading: false, isSuccess: false);
    }
  }
}

final searchResultPageProvider =
    StateNotifierProvider<SearchResultPageNotifier, SearchResultPageState>(
        (ref) {
  return SearchResultPageNotifier(ref.watch(searchServiceProvider));
});

final searchResultGroupByDateTimeProvider = StateProvider((ref) {
  var assets = ref.watch(searchResultPageProvider).searchResult;

  assets.sortByCompare<DateTime>(
      (e) => DateTime.parse(e.createdAt), (a, b) => b.compareTo(a));
  return assets.groupListsBy((element) =>
      DateFormat('y-MM-dd').format(DateTime.parse(element.createdAt)));
});