"""
Logging functionality for tracker
"""

import logging
import os
from datetime import datetime


class TrackerLogger:
    def __init__(self, log_dir='logs'):
        self.log_dir = log_dir
        self.setup_logger()

    def setup_logger(self):
        """Setup logging configuration"""
        if not os.path.exists(self.log_dir):
            os.makedirs(self.log_dir)

        log_file = os.path.join(
            self.log_dir,
            f"tracker_{datetime.now().strftime('%Y%m%d')}.log"
        )

        # Clear any existing handlers to prevent duplicate logging
        logger = logging.getLogger('SystemTracker')
        logger.handlers.clear()

        # Create handlers
        file_handler = logging.FileHandler(log_file)
        stream_handler = logging.StreamHandler()

        # Create formatter and add it to handlers
        formatter = logging.Formatter('%(asctime)s - %(name)s - %(levelname)s - %(message)s')
        file_handler.setFormatter(formatter)
        stream_handler.setFormatter(formatter)

        # Add handlers to logger
        logger.addHandler(file_handler)
        logger.addHandler(stream_handler)
        logger.setLevel(logging.INFO)

        self.logger = logger

    def log_stats(self, stats_type, stats_data):
        """Log system statistics"""
        self.logger.info(f"{stats_type}: {stats_data}")

    def log_alert(self, message):
        """Log alert messages"""
        self.logger.warning(f"ALERT: {message}")

    def log_error(self, error_message):
        """Log error messages"""
        self.logger.error(f"ERROR: {error_message}")