import logging
from logging.handlers import RotatingFileHandler
import sys


class SingletonMeta(type):
    _instances = {}

    def __call__(cls, *args, **kwargs):
        if cls not in cls._instances:
            cls._instances[cls] = super(SingletonMeta, cls).__call__(*args, **kwargs)
        return cls._instances[cls]


class LoggingManager(metaclass=SingletonMeta):
    def __init__(self, log_file):
        if not hasattr(self, "logger"):
            self.log_file = log_file
            self.logger = logging.getLogger("scraper")
            self.logger.setLevel(logging.DEBUG)

            file_handler = RotatingFileHandler(
                self.log_file, maxBytes=1024 * 1024 * 5, backupCount=5
            )
            file_handler.setLevel(logging.DEBUG)

            stream_handler = logging.StreamHandler(sys.stdout)
            stream_handler.setLevel(logging.DEBUG)

            formatter = logging.Formatter(
                "%(asctime)s - %(name)s - %(levelname)s - %(message)s"
            )
            file_handler.setFormatter(formatter)
            stream_handler.setFormatter(formatter)

            self.logger.addHandler(file_handler)
            self.logger.addHandler(stream_handler)

    def log(self, message):
        self.logger.debug(message)

    def error(self, message):
        self.logger.error(message)

    def info(self, message):
        self.logger.info(message)