# -*- coding: utf-8 -*-
# !/usr/bin/env python
import logging
from collections import OrderedDict

from typing import TYPE_CHECKING, Optional

import simplejson as json

from apps.web.constant import AppPlatformType
from apps.web.core import DlbMixin
from apps.web.core.payment.base import PaymentGateway
from library.dlb import DlbPay

if TYPE_CHECKING:
    from apps.web.core.models import DlbPayApp

logger = logging.getLogger(__name__)


class DlbPaymentGateway(PaymentGateway, DlbMixin):
    def __init__(self, app, gateway_type):  # type: (DlbPayApp, AppPlatformType)->None
        super(DlbPaymentGateway, self).__init__(app)
        self.__gateway_type__ = gateway_type

    def __repr__(self):
        return \
            '<DlbPaymentGateway(occupantId = %s, merchant_no = %s, shop_no = %s, debug = %s)>' % (
                str(self.occupantId), self.merchant_no, self.shop_no, self.debug)

    @property
    def __client__(self):
        # type: ()->DlbPay
        return DlbPay(self.merchant_no, self.shop_no, self.access_key, self.secret_key, self.machine_no, self.debug)

    def create_pay_url(self, order_no, money, notify_url, front_url = '', attach = None):
        return self.client.create_pay_url(
            requestNum = order_no,
            amount = str(money),
            notify_url = notify_url,
            front_url = front_url,
            extraInfo = json.dumps(attach, separators = (',', ':')) if attach else '')

    def api_trade_query(self, out_trade_no = None, trade_no = None):
        # type:(Optional[str], Optional[str])->dict
        """
        查询订单
        :param out_trade_no: 商户订单号
        :param trade_no: 微信订单号
        :return:
        """
        assert out_trade_no or trade_no, 'must input out_trade_no or trade_no'
        return self.client.query_trade_result(trade_no = trade_no, out_trade_no = out_trade_no)

    def check(self, data, token):
        # type: (dict, str)->bool
        sign_data = OrderedDict()
        sign_data['secretKey'] = self.secret_key
        sign_data['timestamp'] = data['timestamp']

        re_token = self.client.token(sign_data)
        return re_token == token