# -*- coding: utf-8 -*-
# !/usr/bin/env python

from __future__ import absolute_import, unicode_literals

import six
from typing import Optional

from library import to_binary, to_text
from .base import DlbErrorCode


class DlbException(Exception):
    def __init__(self, errorCode, errorMsg, client = None, request = None, response = None):
        self.errCode = errorCode
        self.errMsg = errorMsg
        self.client = client
        self.request = request
        self.response = response
        super(DlbException, self).__init__(errorMsg)

    def __str__(self):
        if self.client:
            _repr = '{kclass}(client: {client}, errCode: {errCode}, errMsg: {errMsg})'.format(
                kclass = self.__class__.__name__,
                client = repr(self.client),
                errCode = self.errCode,
                errMsg = self.errMsg)
        else:
            _repr = '{kclass}(errCode: {errCode}, errMsg: {errMsg})'.format(
                kclass = self.__class__.__name__,
                errCode = self.errCode,
                errMsg = self.errMsg)

        if six.PY2:
            return to_binary(_repr)
        else:
            return to_text(_repr)

    def __repr__(self):
        return str(self)


class DlbPayException(DlbException):
    pass


class DlbValidationError(DlbException):
    def __init__(self, errmsg, lvalue, rvalue, client = None):
        # type: (basestring, basestring, basestring, Optional[object])->None
        super(DlbValidationError, self).__init__(
            errorCode = str(DlbErrorCode.MY_VALID_ERROR),
            errorMsg = '{}({} != {})'.format(errmsg, lvalue, rvalue),
            client = client)