"""Logging configuration for LLM Code Deployment system."""
import logging
import sys
from pathlib import Path

from .config import settings


def setup_logger(name: str) -> logging.Logger:
    """Set up logger with file and console handlers."""
    logger = logging.getLogger(name)
    logger.setLevel(getattr(logging, settings.log_level.upper()))

    # Avoid adding handlers multiple times
    if logger.handlers:
        return logger

    # Console handler
    console_handler = logging.StreamHandler(sys.stdout)
    console_handler.setLevel(logging.INFO)
    console_formatter = logging.Formatter(
        "%(asctime)s - %(name)s - %(levelname)s - %(message)s",
        datefmt="%Y-%m-%d %H:%M:%S",
    )
    console_handler.setFormatter(console_formatter)
    logger.addHandler(console_handler)

    # File handler
    settings.log_file.parent.mkdir(parents=True, exist_ok=True)
    file_handler = logging.FileHandler(settings.log_file)
    file_handler.setLevel(logging.DEBUG)
    file_formatter = logging.Formatter(
        "%(asctime)s - %(name)s - %(levelname)s - %(filename)s:%(lineno)d - %(message)s",
        datefmt="%Y-%m-%d %H:%M:%S",
    )
    file_handler.setFormatter(file_formatter)
    logger.addHandler(file_handler)

    return logger