import '../domain/domain.dart';

abstract interface class Clock {
  DateTime now();
}

final class SystemClock implements Clock {
  const SystemClock();

  @override
  DateTime now() => DateTime.now().toUtc();
}

abstract interface class IdGenerator {
  String newId();
}

abstract interface class ExerciseRepository {
  Future<Exercise?> findById(String id);
  Future<List<Exercise>> listActive();
  Future<void> save(Exercise exercise);
}

abstract interface class ProgramRepository {
  Future<Program?> findById(String id);
  Future<void> save(Program program);
  Future<void> saveExercise(ProgramExercise exercise);
}

abstract interface class WorkoutTemplateRepository {
  Future<WorkoutTemplate?> findById(String id);
  Future<void> save(WorkoutTemplate template);
  Future<void> saveProgram(WorkoutTemplateProgram program);
  Future<void> saveOverride(WorkoutTemplateExerciseOverride override);
}

abstract interface class ActiveSessionRepository {
  Future<ActiveWorkoutSession?> findById(String id);
  Future<void> save(ActiveWorkoutSession session);
  Future<void> saveSetResult(ActiveSetResult result);
  Future<void> saveRestState(ActiveRestState restState);
  Future<List<ActiveSetResult>> listSetResults(String sessionId);
  Future<List<ActiveRestState>> listRestStates(String sessionId);
}

abstract interface class WorkoutHistoryRepository {
  Future<void> save(WorkoutHistory history);
  Future<void> saveSetResult(WorkoutHistorySetResult result);
}