import 'dart:async';
import 'package:built_value/built_value.dart';
import 'package:built_value/serializer.dart';
import 'package:built_collection/built_collection.dart';
import 'package:invoiceninja_flutter/constants.dart';
import 'package:invoiceninja_flutter/data/models/stub_model.dart';
import 'package:invoiceninja_flutter/redux/ui/entity_ui_state.dart';
import 'package:invoiceninja_flutter/redux/ui/list_ui_state.dart';
import 'package:invoiceninja_flutter/data/models/models.dart';

part 'stub_state.g.dart';

abstract class StubState implements Built<StubState, StubStateBuilder> {

  factory StubState() {
    return _$StubState._(
      lastUpdated: 0,
      map: BuiltMap<String, StubEntity>(),
      list: BuiltList<String>(),
    );
  }
  StubState._();

  @nullable
  int get lastUpdated;

  BuiltMap<String, StubEntity> get map;
  BuiltList<String> get list;

  bool get isStale {
    if (! isLoaded) {
      return true;
    }

    return DateTime.now().millisecondsSinceEpoch - lastUpdated > kMillisecondsToRefreshData;
  }

  bool get isLoaded => lastUpdated != null && lastUpdated > 0;

  static Serializer<StubState> get serializer => _$stubStateSerializer;
}

abstract class StubUIState extends Object with EntityUIState implements Built<StubUIState, StubUIStateBuilder> {

  factory StubUIState() {
    return _$StubUIState._(
      listUIState: ListUIState(StubFields.name),
      editing: StubEntity(),
      selectedId: '',
    );
  }
  StubUIState._();

  @nullable
  StubEntity get editing;

  @override
  bool get isCreatingNew => editing.isNew;

  static Serializer<StubUIState> get serializer => _$stubUIStateSerializer;
}