""" errors for Cloudflare API"""

class CloudFlareError(Exception):
    """ errors for Cloudflare API"""

    class CodeMessage(object):
        """ a small class to save away an interger and string (the code and the message)"""

        def __init__(self, code, message):
            self.code = code
            self.message = message
        def __int__(self):
            return self.code
        def __str__(self):
            return self.message

    def __init__(self, code, message, error_chain=None):
        """ errors for Cloudflare API"""

        self.evalue = self.CodeMessage(int(code), str(message))
        self.error_chain = None
        if error_chain != None:
            self.error_chain = []
            for evalue in error_chain:
                self.error_chain.append(
                    self.CodeMessage(int(evalue['code']), str(evalue['message'])))
            # self.error_chain.append({'code': self.code, 'message': str(self.message)})

    def __int__(self):
        """ integer value for Cloudflare API errors"""

        return int(self.evalue)

    def __str__(self):
        """ string value for Cloudflare API errors"""

        return str(self.evalue)

    def __len__(self):
        """ Cloudflare API errors can contain a chain of errors"""

        if self.error_chain is None:
            return 0
        else:
            return len(self.error_chain)

    def __getitem__(self, ii):
        """ Cloudflare API errors can contain a chain of errors"""

        return self.error_chain[ii]

    def __iter__(self):
        """ Cloudflare API errors can contain a chain of errors"""

        if self.error_chain is None:
            raise StopIteration
        for evalue in self.error_chain:
            yield evalue

    def next(self):
        """ Cloudflare API errors can contain a chain of errors"""

        if self.error_chain is None:
            raise StopIteration()

class CloudFlareAPIError(CloudFlareError):
    """ errors for Cloudflare API"""

    pass

class CloudFlareInternalError(CloudFlareError):
    """ errors for Cloudflare API"""

    pass