Initial commit

lib/presentation/workout_session/workout_session_state.dart

@@ -0,0 +1,29 @@
+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;
+}