from __future__ import absolute_import, division, print_function, unicode_literals


class DiscogsAPIError(Exception):
    """Root Exception class for Discogs API errors."""
    pass


class ConfigurationError(DiscogsAPIError):
    """Exception class for problems with the configuration of this client."""
    def __init__(self, msg):
        self.msg = msg

    def __str__(self):
        return self.msg


class HTTPError(DiscogsAPIError):
    """Exception class for HTTP errors."""
    def __init__(self, message, code):
        self.status_code = code
        self.msg = '{0}: {1}'.format(code, message)

    def __str__(self):
        return self.msg


class AuthorizationError(HTTPError):
    """The server rejected the client's credentials."""
    def __init__(self, message, code, response):
        super(AuthorizationError, self).__init__(message, code)
        self.msg = '{0} Response: {1!r}'.format(self.msg, response)