import json
import os

def load_metadata():
    """Load metadata from metadata.jsonl"""
    metadata_path = "metadata.jsonl"
    metadata = {}
    
    # Parse JSONL file and map descriptions by sprite ID
    with open(metadata_path, 'r') as f:
        for line in f:
            if line.strip():
                entry = json.loads(line)
                # Extract sprite ID from file_name (e.g., "23.png" -> "23")
                sprite_id = entry["file_name"].split(".")[0]
                metadata[sprite_id] = entry["text"]
    return metadata

def extract_info_safely(description):
    """Extract information from description with error handling"""
    info = {
        "frames": "unknown",
        "action": "unknown",
        "direction": "unknown",
        "character": "unknown"
    }
    
    try:
        # Extract frame count
        if "-frame" in description:
            info["frames"] = description.split("-frame")[0]
        
        # Extract action
        if "that: " in description and "," in description:
            info["action"] = description.split("that: ")[1].split(",")[0]
        
        # Extract direction
        if "facing: " in description:
            info["direction"] = description.split("facing: ")[1]
        
        # Extract character
        if "of: " in description and ", that:" in description:
            info["character"] = description.split("of: ")[1].split(", that:")[0]
            
    except Exception as e:
        print(f"Warning: Error parsing description: {description}")
        print(f"Error details: {str(e)}")
    
    return info

def create_sprite_dataset():
    """Create sprite dataset with metadata"""
    # Load metadata
    metadata = load_metadata()
    
    # Create output directory structure
    base_dir = "sprite_dataset"
    if not os.path.exists(base_dir):
        os.makedirs(base_dir)
        
    # Create metadata mapping
    sprite_info = {}
    
    # Process each folder in the train directory
    train_dir = "train"
    for folder_name in os.listdir(train_dir):
        if folder_name.endswith("_frames"):
            # Extract sprite ID from folder name (e.g., "23_frames" -> "23")
            sprite_id = folder_name.split("_")[0]
            
            # Get description from metadata
            description = metadata.get(sprite_id, "No description available")
            
            # Extract information safely
            info = extract_info_safely(description)
            
            # Create organized structure with folder name
            sprite_info[sprite_id] = {
                "frames": info["frames"],
                "action": info["action"],
                "direction": info["direction"],
                "character": info["character"],
                "folder_name": folder_name,
                "full_description": description
            }
    
    # Save metadata to JSON file
    metadata_path = os.path.join(base_dir, "sprite_metadata.json")
    with open(metadata_path, "w") as f:
        json.dump(sprite_info, f, indent=4)
            
    print(f"Created sprite dataset with metadata for {len(sprite_info)} sprites")
    return sprite_info

if __name__ == "__main__":
    sprite_info = create_sprite_dataset()