import 'dart:math';

import 'package:mockito/mockito.dart';
import 'package:rules_of_living/service/configuration_service.dart';
import 'package:rules_of_living/service/engine_service.dart';
import 'package:rules_of_living/service/simulation_service.dart';
import 'package:rules_of_living/src/Engine.dart';
@TestOn('browser')
import 'package:test/test.dart';

class MockEngine extends Mock implements Engine {}

void main() {
  ConfigurationService sut;
  EngineService engineService;
  SimulationService simService;
  MockEngine me;
  setUp(() {
    me = MockEngine();
    engineService = EngineService();
    engineService.engine = me;
    sut = ConfigurationService(engineService, simService);
  });

  group("simulation speed", () {
    test("speed changes propagate to engine", () {
      sut.simSpeed = 312;
      verify(me.stepsPerSecond = 312);
    });
  });

  group("grid size", () {
    test("grid changes are sent to engine", () {
      sut.setGridSize(x: 512, y: 388);
      verify(me.gridSize = Point(512, 388));
    });
    test("grid can be changed solely on x axis", () {
      when(me.gridSize).thenReturn(Point(100, 100));
      sut.setGridSize(x: 555);
      verify(me.gridSize = Point(555, 100));
    });
    test("grid can be changed solely on y axis", () {
      when(me.gridSize).thenReturn(Point(100, 100));
      sut.setGridSize(y: 556);
      verify(me.gridSize = Point(100, 556));
    });
  });
}