import os
import configparser
import logging
from dotenv import load_dotenv



# Local .env file
load_dotenv()

def getconfig(configfile_path: str):
    """
    Read the config file
    Params
    ----------------
    configfile_path: file path of .cfg file
    """
    config = configparser.ConfigParser()
    try:
        config.read_file(open(configfile_path))
        return config
    except:
        logging.warning("config file not found")

# ---------------------------------------------------------------------
# Provider-agnostic authentication and configuration
# ---------------------------------------------------------------------
def get_auth(provider: str) -> dict:
    """Get authentication configuration for different providers"""
    auth_configs = {
        "openai": {"api_key": os.getenv("OPENAI_API_KEY")},
        "huggingface": {"api_key": os.getenv("HF_TOKEN")},
        "anthropic": {"api_key": os.getenv("ANTHROPIC_API_KEY")},
        "cohere": {"api_key": os.getenv("COHERE_API_KEY")},
    }
    
    if provider not in auth_configs:
        raise ValueError(f"Unsupported provider: {provider}")
    
    auth_config = auth_configs[provider]
    api_key = auth_config.get("api_key")
    
    if not api_key:
        raise RuntimeError(f"Missing API key for provider '{provider}'. Please set the appropriate environment variable.")
    
    return auth_config