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

import time

from apps.web.constant import MQTT_TIMEOUT, DeviceCmdCode, Const
from apps.web.core.adapter.base import SmartBox, fill_2_hexByte
from apps.web.core.exceptions import ServiceException
from apps.web.core.networking import MessageSender
from apps.web.device.models import Device


class ShengOuBox(SmartBox):
    def _send_data(self, funcCode, sendData=None, cmd=None, timeout=MQTT_TIMEOUT.NORMAL,orderNo=None):
        """
        发送 报文
        :param funcCode: 串口命令
        :param sendData: 发送数据
        :param cmd: 报文命令
        :param timeout: 超时时间
        :return:
        """
        if sendData is None:
            sendData = ""
        if cmd is None:
            cmd = DeviceCmdCode.OPERATE_DEV_SYNC
        if timeout is None:
            timeout = MQTT_TIMEOUT.NORMAL

        result = MessageSender.send(device = self.device, cmd = cmd, payload = {
            "IMEI": self._device["devNo"],
            "funCode": funcCode,
            "data": sendData
        }, timeout = timeout)
        if "rst" in result:
            if result["rst"] == -1:
                raise ServiceException({'result': 2, 'description': u'网络不通畅，请稍候再试'})
            elif result["rst"] == 1:
                raise ServiceException({'result': 2, 'description': u'主板连接故障，请稍后再试'})
            elif result["rst"] == 0:
                return result
            else:
                raise ServiceException({'result': 2, 'description': u'系统错误'})
        else:
            raise ServiceException({'result': 2, 'description': u'系统错误'})

    def _trans_time(self, needTime, unit):
        """
        根据所给的单位将时间转换成分钟
        :param needTime:
        :param unit:
        :return:
        """
        if unit == u"小时":
            needTime = needTime * 60
        elif unit == u"分钟":
            needTime = needTime
        elif unit == u"秒":
            needTime = int(needTime / 60)
        else:
            needTime = None

        return needTime

    def _charge(self, chargeIndex, chargeTime=None, chargeFee=None,orderNo=None):
        """
        下发支付信息
        :param chargeIndex:
        :param chargeTime
        :param chargeFee
        :return:
        """
        wechatAddr  = "{:0>8}".format(self._device["logicalCode"].replace("G", ""))
        hostAddr    = "{:0>8}".format(0)
        portHex     = fill_2_hexByte(hex(int(chargeIndex)), 4, reverse=True)
        timeHex     = fill_2_hexByte(hex(int(chargeTime)), 4, reverse=True)
        feeHex      = fill_2_hexByte(hex(int(chargeFee)), 4, reverse=True)

        sendData = wechatAddr + hostAddr + portHex + feeHex + timeHex
        result = self._send_data(funcCode="01", sendData=sendData,orderNo=orderNo, timeout = MQTT_TIMEOUT.START_DEVICE)
        data = result.get("data")
        if data[24:26] != "01":
            raise ServiceException({"result": 2, "description": u"插座启动失败"})

        return result

    def is_port_can_use(self, port, canAdd=False):
        """
        判断端口是否可用
        :param port:
        :param canAdd:
        :return:
        """
        return True, u""

    def start_device(self, package, openId, attachParas):
        """
        开启服务
        :param package:
        :param openId:
        :param attachParas:
        :return:
        """
        portStr     = attachParas.get("chargeIndex")
        orderNo     = attachParas.get("orderNo")
        coins       = package.get("coins")
        price       = package.get("price")
        unit        = package.get("unit")
        needTime    = package.get("time")

        if not portStr:
            raise ServiceException({"result": 2, "description": u"请选择合适充电线路"})

        needTime = self._trans_time(needTime, unit)

        result = self._charge(chargeIndex=portStr, chargeTime=needTime, chargeFee=coins,orderNo = orderNo)

        finishedTime = int(time.time()) + needTime * 60
        result.update({"finishedTime": finishedTime})

        dataDict = {
            "status": Const.DEV_WORK_STATUS_WORKING,
            "finishedTime": finishedTime,
            "coins": coins,
            "price": price,
            "needTime": needTime,
            "port": portStr,
            "openId": openId,
            "vCardId": self._vcard_id,
            "isStart": True,
        }

        Device.update_dev_control_cache(self._device["devNo"], {str(portStr): dataDict})

        return result