"""Configuración de logging de la aplicación."""

import logging
import os
from datetime import datetime


def setup_logging(log_dir: str, verbose: bool = False) -> logging.Logger:
    os.makedirs(log_dir, exist_ok=True)
    log_file = os.path.join(log_dir, f"migration-{datetime.now():%Y-%m-%d}.log")

    logger = logging.getLogger("imap_migrator")
    logger.setLevel(logging.DEBUG)
    logger.handlers.clear()
    logger.propagate = False

    file_handler = logging.FileHandler(log_file, encoding="utf-8")
    file_handler.setLevel(logging.DEBUG)
    file_handler.setFormatter(logging.Formatter("%(asctime)s [%(levelname)s] %(message)s"))
    logger.addHandler(file_handler)

    console_handler = logging.StreamHandler()
    console_handler.setLevel(logging.DEBUG if verbose else logging.WARNING)
    console_handler.setFormatter(logging.Formatter("%(levelname)s: %(message)s"))
    logger.addHandler(console_handler)

    return logger