import 'package:redux/redux.dart';

import '../models/yourLocation.dart';
import 'actions.dart';

final Reducer<List<YourLocation>> yourLocationsReducer =
    combineReducers<List<YourLocation>>(<Reducer<List<YourLocation>>>[
  TypedReducer<List<YourLocation>, AddedYourLocationAction>(_addedYourLocation),
  TypedReducer<List<YourLocation>, DeletedYourLocationAction>(
      _deletedYourLocation),
  TypedReducer<List<YourLocation>, UpdatedYourLocationAction>(
      _updatedYourLocation),
  TypedReducer<List<YourLocation>, ToggledSubscriptionAction>(
      _toggledSubscriptionAction)
]);

List<YourLocation> _addedYourLocation(
    List<YourLocation> yourLocations, AddedYourLocationAction action) {
  return List<YourLocation>.from(yourLocations)..add(action.loc);
}

List<YourLocation> _deletedYourLocation(
    List<YourLocation> yourLocations, DeletedYourLocationAction action) {
  return yourLocations
      .where((YourLocation yourLocation) => yourLocation.id != action.id)
      .toList();
}

List<YourLocation> _updatedYourLocation(
    List<YourLocation> yourLocations, UpdatedYourLocationAction action) {
  return yourLocations
      .map((YourLocation yourLocation) =>
          yourLocation.id == action.loc.id ? action.loc : yourLocation)
      .toList();
}

List<YourLocation> _toggledSubscriptionAction(
    List<YourLocation> yourLocations, ToggledSubscriptionAction action) {
  return yourLocations
      .map((YourLocation yourLocation) =>
          yourLocation.id == action.loc.id ? action.loc : yourLocation)
      .toList();
}