import logging
from logging.handlers import TimedRotatingFileHandler

import json
import os


def setup_logger():
    logger = logging.getLogger(__name__)
    logger.setLevel(logging.INFO)

    handler = TimedRotatingFileHandler(
        "logs/app.log",
        when="midnight",
        interval=1,
        backupCount=7,
        encoding='utf-8'
    )
    
    formatter = logging.Formatter("%(asctime)s - %(name)s - %(levelname)s - %(message)s")
    handler.setFormatter(formatter)

    logger.addHandler(handler)
    
    return logger


def load_config(config_path='config/config.json'):
    """
    Загрузка конфигурации из JSON файла.
    """
    if not os.path.exists(config_path):
        raise FileNotFoundError(f"Конфигурационный файл не найден: {config_path}")
    
    with open(config_path, 'r') as file:
        return json.load(file)