import logging
import os
from datetime import datetime

def setup_logger(name='app'):
    # Create logs directory if it doesn't exist
    log_dir = 'logs'
    if not os.path.exists(log_dir):
        os.makedirs(log_dir)

    # Create logger
    logger = logging.getLogger(name)
    
    # Avoid adding handlers if they already exist
    if not logger.handlers:
        logger.setLevel(logging.INFO)
        
        # Create formatters
        formatter = logging.Formatter(
            '%(asctime)s - %(name)s - %(levelname)s - %(message)s'
        )
        
        # File handler
        log_file = os.path.join(
            log_dir, 
            f'{name}_{datetime.now().strftime("%Y%m%d")}.log'
        )
        file_handler = logging.FileHandler(log_file)
        file_handler.setFormatter(formatter)
        
        # Console handler
        console_handler = logging.StreamHandler()
        console_handler.setFormatter(formatter)
        
        # Add handlers
        logger.addHandler(file_handler)
        logger.addHandler(console_handler)
    
    return logger

# Create default logger instance
logger = setup_logger()