Fix local dev config and ALOTTTT OFF FLUTTER, im tired boss..

walkguide-mobile/walkguide_app/lib/core/ai/obstacle_alert_strategy.dart

@@ -0,0 +1,57 @@
+import '../services/haptic_service.dart';
+import '../services/tts_service.dart';
+import 'obstacle_analyzer.dart';
+
+abstract class ObstacleAlertStrategy {
+  Future<void> alert(DetectionResult detection);
+}
+
+class TtsOnlyObstacleAlertStrategy implements ObstacleAlertStrategy {
+  final TtsService _ttsService;
+
+  const TtsOnlyObstacleAlertStrategy(this._ttsService);
+
+  @override
+  Future<void> alert(DetectionResult detection) {
+    return _ttsService.speakImmediate(detection.spokenId);
+  }
+}
+
+class HapticOnlyObstacleAlertStrategy implements ObstacleAlertStrategy {
+  final HapticService _hapticService;
+
+  const HapticOnlyObstacleAlertStrategy(this._hapticService);
+
+  @override
+  Future<void> alert(DetectionResult detection) {
+    return _vibrateByDistance(detection);
+  }
+
+  Future<void> _vibrateByDistance(DetectionResult detection) {
+    final distance = detection.estimatedDistance.toLowerCase();
+    if (distance.startsWith('very close')) {
+      return _hapticService.obstacleVeryClose();
+    }
+    if (distance.startsWith('close')) {
+      return _hapticService.obstacleClose();
+    }
+    return _hapticService.obstacleMedium();
+  }
+}
+
+class TtsWithHapticObstacleAlertStrategy implements ObstacleAlertStrategy {
+  final TtsService _ttsService;
+  final HapticService _hapticService;
+
+  const TtsWithHapticObstacleAlertStrategy(
+    this._ttsService,
+    this._hapticService,
+  );
+
+  @override
+  Future<void> alert(DetectionResult detection) async {
+    final haptic = HapticOnlyObstacleAlertStrategy(_hapticService);
+    await haptic.alert(detection);
+    await _ttsService.speakImmediate(detection.spokenId);
+  }
+}