import 'package:flutter/material.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:zenxercise/src/modes/mode.dart';
import 'package:zenxercise/src/plans/models/plan.dart';
import 'package:zenxercise/src/plans/plan_repository.dart';

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

void main() {
  late PlanRepository plans;

  setUp(() {
    final db = testDatabase();
    addTearDown(db.close);
    plans = PlanRepository(db);
  });

  /// A Workout Plan with two Squat Steps, open in the editor.
  Future<Plan> openWorkoutPlan(WidgetTester tester) async {
    final plan = await plans.create(Mode.workout, 'Legs');
    await plans.save(plan.withExerciseAdded('Barbell_Squat').withExerciseAdded('Barbell_Squat'));
    usePhoneScreen(tester);
    await pumpApp(tester, plans: plans, prefs: {'mode': 'workout'});
    await tester.tap(find.text('Legs'));
    await tester.pumpAndSettle();
    return plan;
  }

  testWidgets('a new Plan is named, filled from the picker and listed with its count', (tester) async {
    usePhoneScreen(tester);
    await pumpApp(tester, plans: plans);

    await tester.tap(find.text('New plan'));
    await tester.pumpAndSettle();
    await tester.enterText(find.byType(TextField), 'Morning');
    await tester.pump();
    await tester.tap(find.text('Create'));
    await tester.pumpAndSettle();

    expect(find.text('Morning'), findsOneWidget);
    expect(find.text('No exercises yet'), findsWidgets);

    await tester.tap(find.text('Add exercises'));
    await tester.pumpAndSettle();
    await tester.tap(find.text('90/90 Hamstring'));
    await tester.pumpAndSettle();
    await tester.tap(find.text('Calf Stretch'));
    await tester.pumpAndSettle();
    await tester.tap(find.text('Done'));
    await tester.pumpAndSettle();

    expect(find.text('90/90 Hamstring'), findsOneWidget);
    expect(find.text('Calf Stretch'), findsOneWidget);
    // Two 30 s holds and one 5 s Transition.
    expect(find.text('2 exercises · about 1 min'), findsOneWidget);

    await tester.pageBack();
    await tester.pumpAndSettle();

    expect(find.text('Morning'), findsOneWidget);
    expect(find.text('2 exercises · about 1 min'), findsOneWidget);
  });

  testWidgets('editing a Step saves at once and shows in its summary', (tester) async {
    final plan = await openWorkoutPlan(tester);

    await tester.tap(find.text('Barbell Squat').first);
    await tester.pumpAndSettle();
    await tester.tap(find.byTooltip('Sets +'));
    await tester.pumpAndSettle();
    await tester.tap(find.text('Add a target weight'));
    await tester.pumpAndSettle();
    await tester.tap(find.text('Done'));
    await tester.pumpAndSettle();

    expect(find.text('4 × 10 reps · 20 kg'), findsOneWidget);
    expect((await plans.get(plan.id))!.items.first, isA<WorkoutStep>().having((s) => s.sets, 'sets', 4));
  });

  testWidgets('two Steps become a Superset and split again', (tester) async {
    await openWorkoutPlan(tester);

    // The first Step's menu; the Plan's own menu in the app bar comes last.
    await tester.tap(find.byTooltip('More actions').first);
    await tester.pumpAndSettle();
    await tester.tap(find.text('Superset with next'));
    await tester.pumpAndSettle();

    expect(find.text('Superset · 3 sets'), findsOneWidget);
    expect(find.text('10 reps'), findsNWidgets(2));

    await tester.tap(find.byTooltip('More actions').first);
    await tester.pumpAndSettle();
    await tester.tap(find.text('Ungroup'));
    await tester.pumpAndSettle();

    expect(find.text('Superset · 3 sets'), findsNothing);
    expect(find.text('3 × 10 reps'), findsNWidgets(2));
  });

  testWidgets('deleting the Plan from its editor returns to the list', (tester) async {
    await openWorkoutPlan(tester);

    await tester.tap(find.byTooltip('More actions').last);
    await tester.pumpAndSettle();
    await tester.tap(find.text('Delete'));
    await tester.pumpAndSettle();
    await tester.tap(find.widgetWithText(FilledButton, 'Delete'));
    await tester.pumpAndSettle();

    expect(find.text('Legs'), findsNothing);
    expect(find.text('No plans yet'), findsOneWidget);
  });

  testWidgets('an Exercise is added to a Plan from its detail page', (tester) async {
    final plan = await plans.create(Mode.stretching, 'Evening');
    usePhoneScreen(tester);
    await pumpApp(tester, plans: plans);
    await tester.tap(find.byTooltip('Library'));
    await tester.pumpAndSettle();
    await tester.tap(find.text('Calf Stretch'));
    await tester.pumpAndSettle();

    await tester.tap(find.text('Add to plan'));
    await tester.pumpAndSettle();
    await tester.tap(find.text('Evening'));
    await tester.pumpAndSettle();

    expect(find.text('Added to Evening'), findsOneWidget);
    expect((await plans.get(plan.id))!.items.single, isA<StretchingStep>());
  });
}