import 'package:flutter/material.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:zenxercise/src/design/zen_style.dart';
import 'package:zenxercise/src/home/home_view.dart';
import 'package:zenxercise/src/modes/mode.dart';

import '../support/test_app.dart';

void main() {
  ZenStyle styleOf(WidgetTester tester) => ZenStyle.of(tester.element(find.byType(HomeView)));

  testWidgets('switching Mode changes design and Library together', (tester) async {
    final settings = await pumpApp(tester);
    await tester.tap(find.byTooltip('Library'));
    await tester.pumpAndSettle();

    expect(styleOf(tester).mode, Mode.stretching);
    expect(find.text('2 stretches'), findsOneWidget);
    expect(find.text('Hamstring Stretch'), findsOneWidget);

    await tester.tap(find.text('Workout'));
    await tester.pumpAndSettle();

    expect(settings.mode, Mode.workout);
    expect(styleOf(tester).mode, Mode.workout);
    expect(styleOf(tester).brightness, Brightness.dark);
    expect(find.text('1 exercise'), findsOneWidget);
    expect(find.text('Barbell Squat'), findsOneWidget);
    expect(find.text('Hamstring Stretch'), findsNothing);
  });

  testWidgets('opens in the last-used Mode', (tester) async {
    await pumpApp(tester, prefs: {'mode': 'workout'});

    expect(styleOf(tester).mode, Mode.workout);
  });

  testWidgets('an empty Plans tab invites building a Plan from the library', (tester) async {
    await pumpApp(tester);

    expect(find.text('No plans yet'), findsOneWidget);
    expect(find.textContaining('stretch routine'), findsOneWidget);
  });
}