"""
Logging configuration for the Modius Agent Performance application.
"""
import logging
import logging.handlers
from typing import Optional

from ..config.constants import LOGGING_CONFIG


def setup_logging(level: Optional[str] = None, log_file: Optional[str] = None) -> None:
    """Set up logging configuration."""
    log_level = level or LOGGING_CONFIG['level']
    log_file = log_file or LOGGING_CONFIG['file']
    log_format = LOGGING_CONFIG['format']
    
    # Convert string level to logging constant
    if isinstance(log_level, str):
        log_level = getattr(logging, log_level.upper())
    
    # Create logger
    logger = logging.getLogger()
    logger.setLevel(log_level)
    
    # Clear existing handlers
    logger.handlers.clear()
    
    # Create formatter
    formatter = logging.Formatter(log_format)
    
    # Console handler
    console_handler = logging.StreamHandler()
    console_handler.setLevel(log_level)
    console_handler.setFormatter(formatter)
    logger.addHandler(console_handler)
    
    # File handler with rotation
    if log_file:
        file_handler = logging.handlers.RotatingFileHandler(
            log_file, 
            maxBytes=10*1024*1024,  # 10MB
            backupCount=5
        )
        file_handler.setLevel(log_level)
        file_handler.setFormatter(formatter)
        logger.addHandler(file_handler)
    
    # Reduce third-party library logging
    logging.getLogger("urllib3").setLevel(logging.WARNING)
    logging.getLogger("httpx").setLevel(logging.WARNING)
    logging.getLogger("matplotlib").setLevel(logging.WARNING)
    logging.getLogger("requests").setLevel(logging.WARNING)
    
    # Log startup information
    logger.info("============= APPLICATION STARTING =============")
    logger.info(f"Logging level set to: {logging.getLevelName(log_level)}")
    if log_file:
        logger.info(f"Logging to file: {log_file}")


def get_logger(name: str) -> logging.Logger:
    """Get a logger instance."""
    return logging.getLogger(name)