import logging
import os
import sys

from core.errors.logger import logger as core_logger


def is_logging_enabled(config):
    if config is None:
        return False
    return bool(config.get("logging", {}).get("gui_logging_enabled"))


def setup_gui_logging(gui_cache_home, gui_log_file, current_handlers):
    os.makedirs(gui_cache_home, exist_ok=True)

    formatter = logging.Formatter(
        '%(asctime)s - %(levelname)s - %(message)s',
        datefmt='%Y-%m-%d %H:%M:%S'
    )

    file_handler = logging.FileHandler(gui_log_file)
    file_handler.setLevel(logging.INFO)
    file_handler.setFormatter(formatter)

    stream_handler = logging.StreamHandler(sys.stdout)
    stream_handler.setLevel(logging.INFO)
    stream_handler.setFormatter(formatter)

    root_logger = logging.getLogger()
    root_logger.setLevel(logging.INFO)
    root_logger.handlers = []
    root_logger.addHandler(file_handler)
    root_logger.addHandler(stream_handler)

    for handler in current_handlers:
        try:
            core_logger.removeHandler(handler)
        except Exception:
            pass
    core_logger.addHandler(file_handler)
    core_logger.addHandler(stream_handler)

    if not os.path.exists(gui_log_file) or os.path.getsize(gui_log_file) == 0:
        logging.info("GUI logging system initialized")

    return [file_handler, stream_handler]


def teardown_gui_logging(gui_log_file, current_handlers):
    for handler in current_handlers:
        try:
            core_logger.removeHandler(handler)
        except Exception:
            pass

    root_logger = logging.getLogger()
    for handler in list(root_logger.handlers):
        root_logger.removeHandler(handler)
        try:
            handler.close()
        except Exception:
            pass

    if os.path.exists(gui_log_file):
        os.remove(gui_log_file)