from PIL import Image

class ShadowDetection:
    def detect_shadow_dust(self, image, detection_service, confidence_threshold):
        """Detect dusty or shaded panels."""
        # For demo, assume DETR detects 'shadow' or 'dust' (requires fine-tuning)
        detections = detection_service.detect_objects(image, confidence_threshold)
        # Placeholder: Filter for shadow/dust-specific labels
        shadow_detections = [
            d for d in detections if d["label"] in ["shadow", "dust"]
        ]
        return shadow_detections