import logging
from logging.handlers import RotatingFileHandler
from pathlib import Path

# Create logs directory relative to this file (../../.. / logs)
BASE_DIR = Path(__file__).resolve().parent.parent.parent
LOGS_DIR = BASE_DIR/"logs"
LOGS_DIR.mkdir(parents=True, exist_ok=True)

def setup_logger(name: str) -> logging.Logger:
    """
    Set up a logger with both file and console handlers.

    Args:
        name (str): Name of the logger

    Returns:
        logging.Logger: Configured logger instance
    """
    logger = logging.getLogger(name)
    logger.setLevel(logging.INFO)

    # Create formatters
    file_formatter = logging.Formatter(
        "%(asctime)s - %(name)s - %(levelname)s - %(message)s"
    )
    console_formatter = logging.Formatter(
        "%(asctime)s - %(levelname)s - %(message)s"
    )

    # File handler (with rotation)
    log_file = LOGS_DIR/f"{name}.log"
    file_handler = RotatingFileHandler(
        log_file,
        maxBytes=10*1024*1024,  # 10MB
        backupCount=5
    )
    file_handler.setLevel(logging.INFO)
    file_handler.setFormatter(file_formatter)

    # Console handler
    console_handler = logging.StreamHandler()
    console_handler.setLevel(logging.INFO)
    console_handler.setFormatter(console_formatter)

    # Add handlers only once to avoid duplication
    if not logger.handlers:
        logger.addHandler(file_handler)
        logger.addHandler(console_handler)

    return logger