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

import logging

from apps.common.utils import int_to_hex
from apps.web.constant import DeviceCmdCode
from apps.web.core.adapter.base import SmartBox, SendManager


logger = logging.getLogger(__name__)


class CardRechargeBox(SmartBox):

    def check_dev_status(self, attachParas=None):
        pass

    def remote_charge_card(self, price, rechargeRecord=None):
        """
        充值机模式，直接充值卡
        :param price:
        :param rechargeRecord:
        :return:
        """
        # 能走充值的，那么卡的ID一定已经写入了系统，写入了rechargeRecord中，直接从attachParas中查询
        cardNo = rechargeRecord.attachParas.get("cardNo")

        result = self._async_card_balance(cardNo, price)
        data = result.get("data")
        res = data[20: 22]

        if res == "00":
            return

        else:
            DESC_MAP = {
                "01": u"余额不足",
                "02": u"无卡",
                "03": u"下发卡号和充卡机上卡号不同",
                "04": u"其他错误",
            }
            logger.info("card recharge error with code <{}>, card is <{}>".format(res, cardNo))
            rechargeRecord.desc = DESC_MAP.get(res, u"未知错误")
            rechargeRecord.save()

    def _get_card_balance(self):
        """
        获取 卡 的余额
        :return:
        """
        cardNo = "00000000"
        cardCst = "0000"
        cardOpe = "02"

        payload = {
            "funCode": "22",
            "data": cardNo + cardCst + cardOpe
        }

        with SendManager(visitor="client") as sender:
            result = sender.send(
                device=self.device,
                cmd=DeviceCmdCode.OPERATE_DEV_SYNC,
                payload=payload,
                timeout=60
            )
            sender.rst = result

        return result

    def _async_card_balance(self, cardNo, balance):
        """
        向卡内充值
        :return:
        """
        cardNoHex = int_to_hex(int(cardNo), lens=8)
        balanceHex = int_to_hex(int(float(balance) * 10), lens=4)
        cardOpe = "01"

        payload = {
            "funCode": "22",
            "data": cardNoHex + balanceHex + cardOpe
        }

        with SendManager(visitor="client") as sender:
            result = sender.send(
                device=self.device,
                cmd=DeviceCmdCode.OPERATE_DEV_SYNC,
                payload=payload,
                timeout=60
            )
            sender.rst = result

        return result

    def get_remote_card_balance(self):
        result = self._get_card_balance()
        data = result.get("data", "")

        cardNo = int(data[8:16], 16)
        balance = int(data[16:20], 16) / 10.0
        res = data[20:22]

        return {
            "cardNo": cardNo,
            "cardBalance": balance,
            "res": res
        }