from typing import Dict, List
from prompt_library_manager import PromptLibraryManager

class SceneCompatibilityManager:
    """Check brand-scene compatibility to reduce false positives"""

    def __init__(self, prompt_library: PromptLibraryManager = None):
        """
        Args:
            prompt_library: PromptLibraryManager instance for brand metadata
        """
        if prompt_library is None:
            prompt_library = PromptLibraryManager()

        self.prompt_library = prompt_library

        # Scene classification keywords
        self.scene_keywords = {
            'food_closeup': ['food', 'meal', 'dish', 'plate', 'restaurant', 'dining', 'cuisine'],
            'nature_landscape': ['mountain', 'forest', 'beach', 'ocean', 'lake', 'sky', 'sunset', 'outdoor'],
            'industrial': ['factory', 'warehouse', 'industrial', 'machinery', 'construction'],
            'sports': ['gym', 'fitness', 'running', 'sports', 'athletic', 'exercise'],
            'fashion': ['fashion', 'outfit', 'style', 'wearing', 'model'],
            'luxury_retail': ['store', 'boutique', 'shop', 'retail', 'display'],
            'office': ['office', 'desk', 'computer', 'workspace', 'business'],
            'home': ['home', 'room', 'interior', 'living', 'bedroom'],
            'lifestyle': ['lifestyle', 'casual', 'everyday', 'daily'],
            'tech_review': ['unboxing', 'review', 'tech', 'device', 'gadget'],
            'formal_event': ['event', 'party', 'formal', 'ceremony', 'celebration'],
            'outdoor': ['outdoor', 'park', 'street', 'outside'],
            'travel': ['travel', 'trip', 'luggage', 'airport', 'vacation'],
            'street': ['street', 'road', 'urban', 'city'],
            'parking': ['parking', 'car park', 'garage'],
            'showroom': ['showroom', 'exhibition', 'display'],
            'closeup': ['closeup', 'detail', 'macro', 'close-up']
        }

        print("✓ Scene Compatibility Manager initialized")

    def classify_scene(self, scene_analysis: Dict) -> str:
        """
        Classify scene type from OpenCLIP scene analysis

        Args:
            scene_analysis: Scene analysis results from OpenCLIPSemanticManager

        Returns:
            Scene type string (e.g., 'food_closeup', 'fashion', 'tech_review')
        """
        # Extract top scene categories
        scene_scores = {}

        # Check different scene analysis keys
        for key in ['urban', 'lighting', 'mood', 'composition']:
            if key in scene_analysis and 'top' in scene_analysis[key]:
                top_label = scene_analysis[key]['top'].lower()

                # Match with scene keywords
                for scene_type, keywords in self.scene_keywords.items():
                    for keyword in keywords:
                        if keyword in top_label:
                            scene_scores[scene_type] = scene_scores.get(scene_type, 0) + 1

        # Return most matched scene type
        if scene_scores:
            return max(scene_scores.items(), key=lambda x: x[1])[0]

        return 'general'

    def check_compatibility(self, brand_name: str, scene_type: str) -> float:
        """
        Check if brand is compatible with scene

        Args:
            brand_name: Name of the brand
            scene_type: Scene type (e.g., 'food_closeup', 'fashion')

        Returns:
            Compatibility score (0.3 to 1.0)
                - 1.0: fully compatible
                - 0.7: neutral (no strong match or mismatch)
                - 0.3: incompatible (reduce confidence)
        """
        brand_info = self.prompt_library.get_brand_prompts(brand_name)

        if not brand_info:
            return 0.7  # Neutral if brand not found

        # Check if scene is typical for this brand
        typical_scenes = brand_info.get('typical_scenes', [])
        if scene_type in typical_scenes:
            return 1.0  # Fully compatible

        # Check if scene is incompatible
        incompatible_scenes = brand_info.get('incompatible_scenes', [])
        if scene_type in incompatible_scenes:
            return 0.3  # Reduce confidence significantly

        # Neutral case - no strong evidence either way
        return 0.7

    def batch_check_compatibility(self, detected_brands: List[tuple],
                                   scene_analysis: Dict) -> List[tuple]:
        """
        Check compatibility for multiple brands

        Args:
            detected_brands: List of (brand_name, confidence, bbox) tuples
            scene_analysis: Scene analysis results

        Returns:
            List of (brand_name, adjusted_confidence, bbox) tuples
        """
        scene_type = self.classify_scene(scene_analysis)

        adjusted_brands = []
        for brand_name, confidence, bbox in detected_brands:
            compatibility_score = self.check_compatibility(brand_name, scene_type)

            # Adjust confidence based on compatibility
            adjusted_confidence = confidence * compatibility_score

            # Only keep if adjusted confidence is still reasonable
            if adjusted_confidence > 0.25:
                adjusted_brands.append((brand_name, adjusted_confidence, bbox))

        # Re-sort by adjusted confidence
        adjusted_brands.sort(key=lambda x: x[1], reverse=True)

        return adjusted_brands

print("✓ SceneCompatibilityManager defined")