import 'package:equatable/equatable.dart';
import 'package:paperless_mobile/core/type/json.dart';
import 'package:paperless_mobile/features/documents/model/document_filter.dart';
import 'package:paperless_mobile/features/documents/model/filter_rule.model.dart';
import 'package:paperless_mobile/features/documents/model/query_parameters/sort_field.dart';
import 'package:paperless_mobile/features/documents/model/query_parameters/sort_order.dart';

class SavedView with EquatableMixin {
  final int? id;
  final String name;

  final bool showOnDashboard;
  final bool showInSidebar;

  final SortField sortField;
  final bool sortReverse;
  final List<FilterRule> filterRules;

  SavedView({
    this.id,
    required this.name,
    required this.showOnDashboard,
    required this.showInSidebar,
    required this.sortField,
    required this.sortReverse,
    required this.filterRules,
  }) {
    filterRules.sort(
      (a, b) => (a.ruleType.compareTo(b.ruleType) != 0
          ? a.ruleType.compareTo(b.ruleType)
          : a.value?.compareTo(b.value ?? "") ?? -1),
    );
  }

  @override
  List<Object?> get props =>
      [name, showOnDashboard, showInSidebar, sortField, sortReverse, filterRules];

  SavedView.fromJson(JSON json)
      : this(
          id: json['id'],
          name: json['name'],
          showOnDashboard: json['show_on_dashboard'],
          showInSidebar: json['show_in_sidebar'],
          sortField:
              SortField.values.where((order) => order.queryString == json['sort_field']).first,
          sortReverse: json['sort_reverse'],
          filterRules:
              json['filter_rules'].cast<JSON>().map<FilterRule>(FilterRule.fromJson).toList(),
        );

  DocumentFilter toDocumentFilter() {
    return filterRules.fold(
      DocumentFilter(
        sortOrder: sortReverse ? SortOrder.ascending : SortOrder.descending,
        sortField: sortField,
      ),
      (filter, filterRule) => filterRule.applyToFilter(filter),
    );
  }

  SavedView.fromDocumentFilter(
    DocumentFilter filter, {
    required String name,
    required bool showInSidebar,
    required bool showOnDashboard,
  }) : this(
          id: null,
          name: name,
          filterRules: FilterRule.fromFilter(filter),
          sortField: filter.sortField,
          showInSidebar: showInSidebar,
          showOnDashboard: showOnDashboard,
          sortReverse: filter.sortOrder == SortOrder.ascending,
        );

  JSON toJson() {
    return {
      'id': id,
      'name': name,
      'show_on_dashboard': showOnDashboard,
      'show_in_sidebar': showInSidebar,
      'sort_reverse': sortReverse,
      'sort_field': sortField.queryString,
      'filter_rules': filterRules.map((rule) => rule.toJson()).toList(),
    };
  }
}