# models/logging_config.py

import os
import logging

def setup_logging():
    log_dir = os.environ.get('LOG_DIR', '/app/logs')
    try:
        os.makedirs(log_dir, exist_ok=True)
        log_file = os.path.join(log_dir, 'app.log')

        # Ensure log file exists and is writable
        if not os.path.exists(log_file):
            open(log_file, 'a').close()
        os.chmod(log_file, 0o666)

        logging.basicConfig(
            level=logging.INFO,
            format='%(asctime)s - %(levelname)s - %(message)s',
            handlers=[
                logging.FileHandler(log_file),
                logging.StreamHandler()
            ]
        )
        return logging.getLogger(__name__)
    except Exception as e:
        # Fallback to console-only logging if file logging fails
        logging.basicConfig(
            level=logging.INFO,
            format='%(asctime)s - %(levelname)s - %(message)s',
            handlers=[logging.StreamHandler()]
        )
        return logging.getLogger(__name__)

logger = setup_logging()