import 'package:freezed_annotation/freezed_annotation.dart';
import 'package:trainhub_flutter/domain/entities/workout_activity.dart';

part 'workout_session_state.freezed.dart';

@freezed
class WorkoutSessionState with _$WorkoutSessionState {
  const factory WorkoutSessionState({
    required List<WorkoutActivityEntity> activities,
    @Default(0) int currentIndex,
    @Default(0) int timeRemaining,
    @Default(0) int totalTimeElapsed,
    @Default(false) bool isRunning,
    @Default(false) bool isFinished,
  }) = _WorkoutSessionState;

  const WorkoutSessionState._();

  WorkoutActivityEntity? get currentActivity =>
      currentIndex < activities.length ? activities[currentIndex] : null;

  WorkoutActivityEntity? get nextActivity =>
      currentIndex + 1 < activities.length
          ? activities[currentIndex + 1]
          : null;

  double get progress =>
      activities.isEmpty ? 0.0 : currentIndex / activities.length;
}