from pydantic import BaseSettings, Field
import logging

# Configure logger
logger = logging.getLogger(__name__)

class Settings(BaseSettings):
    # Default values for the processor and model
    processor: str = Field(default="senga-ml/donut-v16")
    model: str = Field(default="senga-ml/donut-v16")
    dataset: str = Field(default="senga-ml/dnotes-data-v6")
    base_config: str = Field(default="naver-clova-ix/donut-base")
    base_processor: str = Field(default="naver-clova-ix/donut-base")
    base_model: str = Field(default="naver-clova-ix/donut-base")
    inference_stats_file: str = Field(default="data/donut_inference_stats.json")
    training_stats_file: str = Field(default="data/donut_training_stats.json")
    evaluate_stats_file: str = Field(default="data/donut_evaluate_stats.json")
    
    # The shipper_id to dynamically select model and processor
    shipper_id: str = Field(default="default_shipper")
    
    class Config:
        validate_assignment = True
    
    def __init__(self, **kwargs):
        super().__init__(**kwargs)
        self.set_model()
    
    # Dynamically select model and processor based on shipper_id
    def set_model(self):
        shipper_model_map = {
            # Shippers using donut-v16
            "61": {"model": "senga-ml/donut-v16", "processor": "senga-ml/donut-v16"}, # Tropical Heat
            "81": {"model": "senga-ml/donut-v16", "processor": "senga-ml/donut-v16"}, # Clique
            "139": {"model": "senga-ml/donut-v16", "processor": "senga-ml/donut-v16"}, # Winnie's
             "67": {"model": "senga-ml/donut-v16", "processor": "senga-ml/donut-v16"}, # Skypex
             "193": {"model": "senga-ml/donut-v16", "processor": "senga-ml/donut-v16"}, # Storesome
             "195": {"model": "senga-ml/donut-v16", "processor": "senga-ml/donut-v16"}, # On Demand
             "194": {"model": "senga-ml/donut-v16", "processor": "senga-ml/donut-v16"}, # Healthy U
            
            # Shippers using donut-v17
            "165": {"model": "senga-ml/donut-v17", "processor": "senga-ml/donut-v17"}, # Loki
            "127": {"model": "senga-ml/donut-v17", "processor": "senga-ml/donut-v17"}, # Jumbo Spices
            "145": {"model": "senga-ml/donut-v17", "processor": "senga-ml/donut-v17"}, # Carolines
            "80": {"model": "senga-ml/donut-v17", "processor": "senga-ml/donut-v17"}, # Portcross
            "220": {"model": "senga-ml/donut-v17", "processor": "senga-ml/donut-v17"}, # Zulu 

            # Shippers using donut-v18
            "177": {"model": "senga-ml/donut-v18", "processor": "senga-ml/donut-v18"}, # Smart Global
            "216": {"model": "senga-ml/donut-v18", "processor": "senga-ml/donut-v18"}, # Melvins
            "182": {"model": "senga-ml/donut-v18", "processor": "senga-ml/donut-v18"}, # Roshni
            "226": {"model": "senga-ml/donut-v18", "processor": "senga-ml/donut-v18"}, # Fayaz
            "145": {"model": "senga-ml/donut-v18", "processor": "senga-ml/donut-v18"}, # Beyond Opinion
            "232": {"model": "senga-ml/donut-v18", "processor": "senga-ml/donut-v18"}, # Gel x
        }
        
        previous_model = self.model
        previous_processor = self.processor
        
        shipper_id_str = str(self.shipper_id)
        
        config = shipper_model_map.get(
            shipper_id_str, 
            {"model": self.base_model, "processor": self.base_processor}
        )
        
        self.model = config["model"]
        self.processor = config["processor"]
        
        return self.model, self.processor

settings = Settings()
logger.info(f"Initial model setup: {settings.model}")

# trigger model change
def update_shipper(new_shipper_id):
    """
    Update the shipper ID and change the model accordingly
    
    Args:
        new_shipper_id: The new shipper ID to use
        
    Returns:
        tuple: (model, processor) that were selected
    """
    logger.info(f"Updating shipper ID to {new_shipper_id}")
    settings.shipper_id = new_shipper_id
    return settings.set_model()