import abc

import six

from azbankgateways.models import BankType
from azbankgateways import default_settings as settings


@six.add_metaclass(abc.ABCMeta)
class Reader:

    @abc.abstractmethod
    def read(self, bank_type: BankType, identifier: str) -> dict:
        """

        :param bank_type:
        :param identifier:
        :return:
        base on bank type for example for BMI:
        {
            'MERCHANT_CODE': '<YOUR INFO>',
            'TERMINAL_CODE': '<YOUR INFO>',
            'SECRET_KEY': '<YOUR INFO>',
        }
        """
        pass

    def klass(self, bank_type: BankType, identifier: str) -> dict:
        return settings.BANK_CLASS[bank_type]

    @abc.abstractmethod
    def get_bank_priorities(self, identifier: str) -> list:
        pass

    @abc.abstractmethod
    def default(self, identifier: str):
        pass

    @abc.abstractmethod
    def currency(self, identifier: str):
        pass