"""Logging configuration for the MCP Hub project."""

import logging
import sys
from datetime import datetime
from pathlib import Path

def setup_logging(
    log_level: str = "INFO",
    log_to_file: bool = True,
    log_dir: str = "logs"
) -> logging.Logger:
    """Set up logging configuration."""
    
    # Create logs directory if it doesn't exist
    if log_to_file:
        log_path = Path(log_dir)
        log_path.mkdir(exist_ok=True)
    
    # Create logger
    logger = logging.getLogger("mcp_hub")
    logger.setLevel(getattr(logging, log_level.upper()))
    
    # Clear any existing handlers
    logger.handlers = []
    
    # Create formatter
    formatter = logging.Formatter(
        "%(asctime)s - %(name)s - %(levelname)s - %(funcName)s:%(lineno)d - %(message)s"
    )
    
    # Console handler
    console_handler = logging.StreamHandler(sys.stdout)
    console_handler.setLevel(getattr(logging, log_level.upper()))
    console_handler.setFormatter(formatter)
    logger.addHandler(console_handler)
    
    # File handler
    if log_to_file:
        timestamp = datetime.now().strftime("%Y%m%d_%H%M%S")
        file_handler = logging.FileHandler(
            log_path / f"mcp_hub_{timestamp}.log"
        )
        file_handler.setLevel(logging.DEBUG)
        file_handler.setFormatter(formatter)
        logger.addHandler(file_handler)
    
    return logger

# Create global logger instance
logger = setup_logging()