import os
from dotenv import load_dotenv

# Load environment variables
load_dotenv()

class Config:
    """Application configuration"""
    
    # API Keys
    OPENAI_API_KEY = os.getenv("OPENAI_API_KEY")
    
    # Model configurations
    DEFAULT_MODEL = "gpt-4o"
    
    # Application settings
    MAX_RETRIES = 3
    TIMEOUT = 30
    
    @classmethod
    def validate_config(cls):
        """Validate that required configuration is present"""
        if not cls.OPENAI_API_KEY:
            raise ValueError("OPENAI_API_KEY is required. Please set it in your .env file")

# Validate configuration on import
Config.validate_config()