import 'package:flutter/material.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:gametime/application/application.dart';
import 'package:gametime/domain/domain.dart';
import 'package:gametime/presentation/presentation.dart';

void main() {
  testWidgets(
    'ajoute un exercice au programme avec sa configuration par défaut',
    (tester) async {
      final programRepository = _FakeProgramRepository();
      final exerciseRepository = _FakeExerciseRepository()
        ..exercises.add(
          Exercise(
            metadata: _metadata('exercise-1'),
            name: 'Squat',
            hasTimeMeasure: true,
            hasRepsMeasure: true,
            hasScoreMeasure: false,
            defaultTargetTimeSeconds: 45,
            defaultTargetReps: 10,
          ),
        );

      await tester.pumpWidget(
        MaterialApp(
          home: ProgramFormScreen(
            programUseCases: _programUseCases(
              programRepository,
              exerciseRepository,
            ),
            exerciseUseCases: _exerciseUseCases(exerciseRepository),
          ),
        ),
      );

      await tester.enterText(
        find.widgetWithText(TextFormField, 'Nom'),
        'Jambes',
      );
      await tester.tap(find.text('Ajouter un exercice'));
      await tester.pumpAndSettle();
      await tester.tap(find.text('Squat'));
      await tester.pumpAndSettle();

      expect(find.text('Squat'), findsOneWidget);
      expect(find.text('Repos 60 s'), findsOneWidget);
      expect(find.text('Exercice ajouté'), findsOneWidget);
      expect(find.byTooltip("Personnaliser l'exercice"), findsOneWidget);
      expect(find.byType(CheckboxListTile), findsNothing);

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

      final savedExercise = programRepository.programs.single.exercises.single;
      expect(savedExercise.setsCount, 3);
      expect(savedExercise.timeEnabled, isTrue);
      expect(savedExercise.repsEnabled, isTrue);
      expect(savedExercise.scoreEnabled, isFalse);
      expect(savedExercise.targetTimeSeconds, 45);
      expect(savedExercise.targetReps, 10);
      expect(savedExercise.restSecondsOverride, 60);
    },
  );

  testWidgets(
    'limite les mesures aux mesures autorisées par l’exercice source',
    (tester) async {
      final exerciseRepository = _FakeExerciseRepository()
        ..exercises.add(
          Exercise(
            metadata: _metadata('exercise-1'),
            name: 'Pompes',
            hasTimeMeasure: false,
            hasRepsMeasure: true,
            hasScoreMeasure: false,
            defaultTargetReps: 12,
          ),
        );

      await tester.pumpWidget(
        MaterialApp(
          home: ProgramFormScreen(
            programUseCases: _programUseCases(
              _FakeProgramRepository(),
              exerciseRepository,
            ),
            exerciseUseCases: _exerciseUseCases(exerciseRepository),
          ),
        ),
      );

      await tester.tap(find.text('Ajouter un exercice'));
      await tester.pumpAndSettle();
      await tester.tap(find.text('Pompes'));
      await tester.pumpAndSettle();

      await tester.tap(find.byTooltip("Personnaliser l'exercice"));
      await tester.pumpAndSettle();

      expect(find.text("Personnaliser l'exercice"), findsOneWidget);
      expect(
        find.widgetWithText(SwitchListTile, 'Répétitions'),
        findsOneWidget,
      );
      expect(find.widgetWithText(SwitchListTile, 'Temps'), findsNothing);
      expect(find.widgetWithText(SwitchListTile, 'Score'), findsNothing);
    },
  );

  testWidgets(
    'la popup exercice ajouté disparaît et se ferme à la personnalisation',
    (tester) async {
      final exerciseRepository = _FakeExerciseRepository()
        ..exercises.add(
          Exercise(
            metadata: _metadata('exercise-1'),
            name: 'Squat',
            hasTimeMeasure: true,
            hasRepsMeasure: false,
            hasScoreMeasure: false,
            defaultTargetTimeSeconds: 45,
          ),
        );

      await tester.pumpWidget(
        MaterialApp(
          home: ProgramFormScreen(
            programUseCases: _programUseCases(
              _FakeProgramRepository(),
              exerciseRepository,
            ),
            exerciseUseCases: _exerciseUseCases(exerciseRepository),
          ),
        ),
      );

      await tester.tap(find.text('Ajouter un exercice'));
      await tester.pumpAndSettle();
      await tester.tap(find.text('Squat'));
      await tester.pumpAndSettle();

      expect(find.text('Exercice ajouté'), findsOneWidget);

      for (var i = 0; i < 5; i++) {
        await tester.pump(const Duration(seconds: 1));
      }
      await tester.pump(const Duration(milliseconds: 500));

      expect(find.text('Exercice ajouté'), findsNothing);

      await tester.tap(find.text('Ajouter un exercice'));
      await tester.pumpAndSettle();
      await tester.tap(find.text('Squat').first);
      await tester.pumpAndSettle();

      expect(find.text('Exercice ajouté'), findsOneWidget);

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

      expect(find.text('Exercice ajouté'), findsNothing);
      expect(find.text("Personnaliser l'exercice"), findsOneWidget);
    },
  );

  testWidgets('affiche l’objectif de chrono pour un score en mode chrono', (
    tester,
  ) async {
    final exerciseRepository = _FakeExerciseRepository()
      ..exercises.add(
        Exercise(
          metadata: _metadata('exercise-1'),
          name: 'Suicides',
          hasTimeMeasure: true,
          hasRepsMeasure: true,
          hasScoreMeasure: true,
          scoreInputMode: ScoreInputMode.stopwatch,
          scoreLabel: 'Temps réalisé',
          defaultTargetTimeSeconds: 30,
          defaultTargetReps: 5,
          defaultTargetScoreTimeMs: 12000,
        ),
      );

    await tester.pumpWidget(
      MaterialApp(
        home: ProgramFormScreen(
          programUseCases: _programUseCases(
            _FakeProgramRepository(),
            exerciseRepository,
          ),
          exerciseUseCases: _exerciseUseCases(exerciseRepository),
        ),
      ),
    );

    await tester.tap(find.text('Ajouter un exercice'));
    await tester.pumpAndSettle();
    await tester.tap(find.text('Suicides'));
    await tester.pumpAndSettle();
    await tester.tap(find.byTooltip("Personnaliser l'exercice"));
    await tester.pumpAndSettle();

    expect(find.text('Score chrono'), findsOneWidget);
    await tester.dragUntilVisible(
      find.text(
        "Temps sert d'objectif de durée ; Score chrono enregistre "
        'le temps réalisé.',
      ),
      find.byType(ListView),
      const Offset(0, -200),
    );
    expect(
      find.text(
        "Temps sert d'objectif de durée ; Score chrono enregistre "
        'le temps réalisé.',
      ),
      findsOneWidget,
    );
    await tester.dragUntilVisible(
      find.text('Objectif de chrono'),
      find.byType(ListView),
      const Offset(0, -200),
    );
    expect(
      find.widgetWithText(TextFormField, 'Objectif de chrono'),
      findsOneWidget,
    );
    expect(find.widgetWithText(TextFormField, 'Cible score'), findsNothing);
    expect(
      find.text('Le résultat réel sera mesuré pendant la série.'),
      findsOneWidget,
    );
  });

  testWidgets(
    'supprimer un programme demande confirmation puis le retire de la liste',
    (tester) async {
      final programRepository = _FakeProgramRepository()
        ..programs.add(
          Program(
            metadata: _metadata('program-1'),
            name: 'Jambes',
            defaultRestSeconds: 60,
          ),
        );
      final templateRepository = _FakeWorkoutTemplateRepository()
        ..templates.add(
          WorkoutTemplate(
            metadata: _metadata('template-1'),
            name: 'Séance jambes',
            programs: [
              WorkoutTemplateProgram(
                metadata: _metadata('template-program-1'),
                workoutTemplateId: 'template-1',
                sourceProgramId: 'program-1',
                position: 0,
                programNameSnapshot: 'Jambes',
                defaultRestSecondsSnapshot: 60,
                programSnapshotJson: '{"exercises":[]}',
              ),
            ],
          ),
        );
      final exerciseRepository = _FakeExerciseRepository();

      await tester.pumpWidget(
        MaterialApp(
          home: ProgramListScreen(
            programUseCases: _programUseCases(
              programRepository,
              exerciseRepository,
              templateRepository: templateRepository,
            ),
            exerciseUseCases: _exerciseUseCases(exerciseRepository),
          ),
        ),
      );
      await tester.pump();
      await tester.pump();

      await tester.tap(find.byTooltip('Supprimer le programme'));
      await tester.pumpAndSettle();

      expect(find.text('Supprimer Jambes ?'), findsOneWidget);
      expect(
        find.textContaining('Le supprimer le retirera de ces séances.'),
        findsOneWidget,
      );

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

      expect(find.text('Jambes'), findsOneWidget);
      expect(programRepository.saved, isEmpty);

      await tester.tap(find.byTooltip('Supprimer le programme'));
      await tester.pumpAndSettle();
      await tester.tap(find.widgetWithText(FilledButton, 'Supprimer'));
      await tester.pumpAndSettle();

      expect(find.text('Jambes'), findsNothing);
      expect(programRepository.saved.single.metadata.deletedAt, isNotNull);
    },
  );
}

ExerciseUseCases _exerciseUseCases(_FakeExerciseRepository repository) {
  return ExerciseUseCases(
    repository: repository,
    programRepository: _FakeProgramRepository(),
    clock: _FakeClock(DateTime.utc(2026, 7, 17, 12)),
    ids: _FakeIds(),
    originDeviceId: 'device-1',
  );
}

ProgramUseCases _programUseCases(
  _FakeProgramRepository programRepository,
  _FakeExerciseRepository exerciseRepository, {
  _FakeWorkoutTemplateRepository? templateRepository,
}) {
  return ProgramUseCases(
    programRepository: programRepository,
    exerciseRepository: exerciseRepository,
    templateRepository: templateRepository ?? _FakeWorkoutTemplateRepository(),
    clock: _FakeClock(DateTime.utc(2026, 7, 17, 12)),
    ids: _FakeIds(),
    originDeviceId: 'device-1',
  );
}

final class _FakeWorkoutTemplateRepository
    implements WorkoutTemplateRepository {
  final templates = <WorkoutTemplate>[];

  @override
  Future<WorkoutTemplate?> findById(String id) async => null;

  @override
  Future<List<WorkoutTemplate>> listActive() async {
    return templates
        .where((template) => template.metadata.deletedAt == null)
        .toList();
  }

  @override
  Future<void> replaceComposition(
    WorkoutTemplate template,
    DateTime deletedAt,
  ) async {
    templates.removeWhere((item) => item.metadata.id == template.metadata.id);
    templates.add(template);
  }

  @override
  Future<void> save(WorkoutTemplate template) async {
    templates.removeWhere((item) => item.metadata.id == template.metadata.id);
    templates.add(template);
  }

  @override
  Future<void> saveOverride(WorkoutTemplateExerciseOverride override) async {}

  @override
  Future<void> saveProgram(WorkoutTemplateProgram program) async {}
}

EntityMetadata _metadata(String id) {
  return EntityMetadata(
    id: id,
    createdAt: DateTime.utc(2026, 7, 17),
    updatedAt: DateTime.utc(2026, 7, 17),
    originDeviceId: 'device-1',
  );
}

final class _FakeClock implements Clock {
  const _FakeClock(this.value);

  final DateTime value;

  @override
  DateTime now() => value;
}

final class _FakeIds implements IdGenerator {
  var _next = 0;

  @override
  String newId() {
    _next += 1;
    return 'id-$_next';
  }
}

final class _FakeExerciseRepository implements ExerciseRepository {
  final exercises = <Exercise>[];
  final saved = <Exercise>[];

  @override
  Future<Exercise?> findById(String id) async {
    for (final exercise in exercises) {
      if (exercise.metadata.id == id) {
        return exercise;
      }
    }
    return null;
  }

  @override
  Future<bool> isReferencedByProgram(String id) async => false;

  @override
  Future<List<Exercise>> listActive() async => exercises;

  @override
  Future<void> save(Exercise exercise) async {
    saved.add(exercise);
  }
}

final class _FakeProgramRepository implements ProgramRepository {
  final programs = <Program>[];
  final saved = <Program>[];

  @override
  Future<Program?> findById(String id) async {
    for (final program in programs) {
      if (program.metadata.id == id) {
        return program;
      }
    }
    return null;
  }

  @override
  Future<List<Program>> listActive() async {
    return programs
        .where((program) => program.metadata.deletedAt == null)
        .toList();
  }

  @override
  Future<void> replaceExercises(Program program, DateTime deletedAt) async {
    programs.removeWhere((item) => item.metadata.id == program.metadata.id);
    programs.add(program);
  }

  @override
  Future<void> save(Program program) async {
    saved.add(program);
    programs.removeWhere((item) => item.metadata.id == program.metadata.id);
    programs.add(program);
  }

  @override
  Future<void> saveExercise(ProgramExercise exercise) async {}
}