from loguru import logger
from abc import ABC, abstractmethod
from pathlib import Path


class Storage(ABC):
    TMP_FOLDER = "tmp/"

    @abstractmethod
    def __init__(self, config): pass

    @abstractmethod
    def get_cdn_url(self, key): pass

    @abstractmethod
    def exists(self, key): pass

    @abstractmethod
    def uploadf(self, file, key, **kwargs): pass

    def upload(self, filename: str, key: str, **kwargs):
        logger.debug(f'[{self.__class__.__name__}] uploading file {filename} with key {key}')
        with open(filename, 'rb') as f:
            self.uploadf(f, key, **kwargs)

    #TODO: is this really necessary if only use os.path operations
    def _clean_path(self, folder, default="", add_forward_slash=True):
        if folder is None or type(folder) != str or len(folder.strip()) == 0:
            return default
        return str(Path(folder)) + ("/" if add_forward_slash else "")