#  _    __________________ 
# | |  / /  _/ ____/  _/ / 
# | | / // // / __ / // /  
# | |/ // // /_/ // // /___
# |___/___/\____/___/_____/   
# © Uthmn 2025 under MIT license

import logging
from logging.handlers import RotatingFileHandler
from os import makedirs
from os.path import exists

# Setup logging once, globally
logger = logging.getLogger('vigil')

# Prevent duplicate setup
if not logger.handlers:
    logger.setLevel(logging.INFO)
    
    # Create log directory if it doesn't exist
    log_dir = '/var/log/vigil'
    if not exists(log_dir):
        makedirs(log_dir, exist_ok=True)
    
    # File handler with rotation
    file_handler = RotatingFileHandler(
        '/var/log/vigil/vigil.log',
        maxBytes=10*1024*1024,  # 10MB
        backupCount=3
    )
    file_handler.setLevel(logging.INFO)
    file_handler.setFormatter(logging.Formatter(
        '%(asctime)s [%(levelname)s] %(message)s',
        datefmt='%Y-%m-%d %H:%M:%S'
    ))
    
    # Console handler (for systemd journal)
    console_handler = logging.StreamHandler()
    console_handler.setLevel(logging.INFO)
    console_handler.setFormatter(logging.Formatter(
        '%(asctime)s [%(levelname)s] %(message)s',
        datefmt='%Y-%m-%d %H:%M:%S'
    ))
    
    logger.addHandler(file_handler)
    logger.addHandler(console_handler)