# coding=utf-8
import datetime
import logging
import typing
from arrow import Arrow
from django.conf import settings

from apilib.monetary import VirtualCoin
from apps.web.constant import START_DEVICE_STATUS, DEALER_CONSUMPTION_AGG_KIND, DeviceCmdCode
from apps.web.core.device_define.cmCZ import FINISH_REASON_MAP, CARD_RESPONSE, CARD_CST_MIN, CARD_CST
from apps.web.core.networking import MessageSender
from apps.web.device.models import Device
from apps.web.eventer.base import WorkEvent, ComNetPayAckEvent, IdStartAckEvent, AckEventProcessorIntf
from apps.web.user.utils import clear_frozen_user_balance
from apps.web.utils import set_start_key_status
from apps.web.user.models import ConsumeRecord, Card, CardRechargeOrder

logger = logging.getLogger(__name__)


class cmCZSubEventWorker(WorkEvent):

    def do(self, **args):
        funCode = self.event_data["cmdCode"]
        if funCode == "26":
            return self._do_report()
        if funCode == "10":
            return self._do_card()

    def _do_report(self):
        self.device.set_online(31)
        portInfo = self.event_data.pop("portInfo")
        Device.update_dev_control_cache(self.device.devNo, portInfo)

    def _do_card(self):

        cardNo = self.event_data["cardNo"]
        cardCst = self.device.otherConf.get("cardCst", CARD_CST)
        cardCstMin = self.device.otherConf.get("cardCstMin", CARD_CST_MIN)

        card = self.update_card_dealer_and_type(cardNo) # type: Card
        if not card:
            logger.info("[cmCZSubEventWorker _do_card] not find card, devNo = {}, cardNo = {}".format(self.device.devNo, cardNo))
            self.device.deviceAdapter.response_card(CARD_RESPONSE.FAIL, 0, 0)
            return

        if card.frozen:
            logger.info("[cmCZSubEventWorker _do_card] card is frozen, devNo = {}, cardNo = {}".format(self.device.devNo, cardNo))
            self.device.deviceAdapter.response_card(CARD_RESPONSE.FAIL, 0, 0)
            return

        # 如果存在的话 充值一次卡
        order = CardRechargeOrder.get_last_to_do_one(str(card.id))
        self.recharge_id_card(card=card, rechargeType='append', order=order)
        card.reload()

        if VirtualCoin(card.balance) <= VirtualCoin(cardCstMin):
            logger.info("[cmCZSubEventWorker _do_card] card not enough, devNo = {}, cardNo = {}, balance = {}, min = {}".format(self.device.devNo, cardNo, card.balance, cardCstMin))
            self.device.deviceAdapter.response_card(CARD_RESPONSE.NOT_ENOUGH, 0, 0)
            return

        # 剩下的情况回复主板 启动卡的金额为卡上余额和卡启动金额的最小值
        cst = min(VirtualCoin(card.balance), VirtualCoin(cardCst))
        logger.info("[cmCZSubEventWorker _do_card] card success, devNo = {}, cardNo = {}, balance = {}, cst = {}".format(self.device.devNo, cardNo, card.balance, cst))
        self.device.deviceAdapter.response_card(CARD_RESPONSE.SUCCESS, cst, card.balance, cardNo)


class cmCZSubComNetPayAckEvent(ComNetPayAckEvent):

    def ack_msg(self):
        payload = {
            'order_id': self.event_data['order_id'],
            'order_type': self.event_data['order_type'],
            'status': self.event_data['status']
        }

        MessageSender.send_no_wait(
            device=self.device.deviceAdapter.masterDevice,
            cmd=DeviceCmdCode.EVENT_ACK,
            payload=payload
        )

    def do_impl(self):
        order_id = self.event_data['order_id']

        order = ConsumeRecord.objects(ownerId = self.device.ownerId, orderNo = order_id).first()  # type: ConsumeRecord
        if not order:
            logger.debug('order<no={}> is not exist.'.format(self.event_data['order_id']))
            return

        if order.status == 'finished':
            logger.debug('order<{}> has been fished.'.format(repr(order)))
            return

        addr, port = self.event_data['port'].split("-")
        self.event_data["port"] = int(port)

        if order.used_port != self.event_data['port']:
            logger.error('port is not equal. {} ！= {}'.format(self.event_data['port'], order.used_port))
            return

        if self.pre_processor:
            self.event_data = self.pre_processor.pre_processing(self.device, self.event_data)

        if self.event_data['status'] in ['running', 'finishing']:
            return self.deal_running_event(order)

        if self.event_data['status'] == 'finished':
            return self.deal_finished_event(order)

    def do_running_order(self, order, result):  # type: (ConsumeRecord, dict)->None
        """
        处理正在运行的订单
        """
        # 订单消息已经被回复过
        if order.status in ["running", "finished"]:
            logger.debug('order<{}> no need to deal. this has done.'.format(repr(order)))
            return

        # 启动设备的时候 设备实际启动成功 但是订单串口超时 不知道订单的明确状态 后面启动时间又重新上报
        if order.status == "unknown":
            errorDesc = u"设备信号恢复，订单正常运行"
            logger.info("order <{}> timeout  to running")

        # 正常运行的订单
        else:
            errorDesc = u""

        order.errorDesc = errorDesc
        order.isNormal = True
        order.status = 'running'
        order.startTime = datetime.datetime.fromtimestamp(result['sts'])
        order.save()

        set_start_key_status(start_key=order.startKey, state=START_DEVICE_STATUS.FINISHED, order_id=str(order.id))

    def do_finished_order(self, order, result): # type: (ConsumeRecord, dict)->None
        """
        处理结束的订单
        """
        portCache = Device.get_port_control_cache(self.device.devNo, str(order.used_port))
        self.event_data["portCache"] = portCache
        if order.status == "running":
            order.isNormal = True
            order.status = "finished"
            order.errorDesc = u""
            order.finishedTime = datetime.datetime.fromtimestamp(result['fts'])

        # 非正常状态 相当于订单最开始串口超时 然后直接变为结束
        elif order.status == "unknown":
            order.isNormal = True
            order.status = "finished"
            order.errorDesc = u"设备信号恢复，订单正常结束(0001)"
            order.startTime = datetime.datetime.fromtimestamp(result['sts'])
            order.finishedTime = datetime.datetime.fromtimestamp(result['fts'])

        # 正常状态 相当于订单启动失败或者是中间running单没有上来
        elif order.status == "created":
            order.isNormal = True
            order.status = "finished"
            order.errorDesc = u"设备信号恢复，订单正常结束(0002)"
            order.startTime = datetime.datetime.fromtimestamp(result['sts'])
            order.finishedTime = datetime.datetime.fromtimestamp(result['fts'])

        else:
            logger.warning('order<{}> status = <{}> to finished. no deal with'.format(repr(order), order.status))

        order.save()
        set_start_key_status(start_key=order.startKey, state=START_DEVICE_STATUS.FINISHED, order_id=str(order.id))

    def do_finished_event(self, order, sub_orders, merge_order_info):
        """
        订单状态已经变更完成 进一步处理 完成返费 结束订单等等
        """
        order.reload()
        totalCst = self.event_data["totalCst"] / 3600.0
        sts = self.event_data["sts"]
        fts = self.event_data["fts"]
        coins = merge_order_info["coins"]

        cst = min(VirtualCoin(totalCst), VirtualCoin(coins))
        backCoins = VirtualCoin(coins) - cst
        duration = (fts - sts) / 60
        extra = [
            {u"本次订购金额": "{}".format(VirtualCoin(coins).amount)},
            {u"本次实际使用时长": "{}分钟".format(duration)},
            {u"消费金额": "{}（金币）".format(cst.amount)},
        ]
        if backCoins > VirtualCoin(0):
            extra.append({u"退费金额": u"{}（金币）".format(VirtualCoin(backCoins).amount)})
        clear_frozen_user_balance(self.device, order, duration, spendElec=0, backCoins=backCoins, user=order.user)

        # 组织消费信息
        consumeDict = {
            "reason": self._get_finish_reason(),
            DEALER_CONSUMPTION_AGG_KIND.DURATION: duration,
            DEALER_CONSUMPTION_AGG_KIND.SPEND_MONEY: VirtualCoin(cst).mongo_amount,
        }

        order.update_service_info(consumeDict)

        self.notify_user_service_complete(
            service_name='充电',
            openid=order.user.managerialOpenId,
            port=str(order.used_port),
            address=order.address,
            reason=consumeDict["reason"],
            finished_time=order.finishedTime.strftime('%Y-%m-%d %H:%M:%S'),
            extra=extra
        )

    def merge_order(self, master_order, sub_orders):
        """
        诚马的插座不会有续充
        """
        start_time = Arrow.fromdatetime(master_order.startTime, tzinfo=settings.TIME_ZONE)
        coins = master_order.package["coins"]
        price = master_order.package["price"]

        portCache = {
            "openId": master_order.openId,
            "consumeType": "mobile",
            "coins": coins,
            "price": price,
            "estimatedTs": int(start_time.timestamp + 720 * 60 * 60),
        }

        return portCache

    def _get_finish_reason(self):
        if "reason" in self.event_data:
            return FINISH_REASON_MAP.get(self.event_data["reason"], u"未知原因")

        return u"未知原因"


class cmCZSubIdStartAckEvent(IdStartAckEvent):

    # def do_impl(self, **args):
    #     addr, port = self.event_data['port'].split("-")
    #     self.event_data["port"] = int(port)
    #
    #     super(cmCZSubIdStartAckEvent, self).do_impl(**args)

    def post_after_start(self, order=None):
        pass

    def post_after_finish(self, order=None):
        pass

    def merge_order(self, master_order, sub_orders):  # type:(ConsumeRecord, Iterable[ConsumeRecord])->dict
        start_time = Arrow.fromdatetime(master_order.startTime, tzinfo=settings.TIME_ZONE)
        coins = self.event_data["fee"]
        cardNo = self.event_data["cardNo"]
        portCache = {
            "openId": master_order.openId,
            "consumeType": "card",
            "coins": coins,
            "price": coins,
            "cardNo": cardNo,
            "estimatedTs": int(start_time.timestamp + 720 * 60 * 60),
        }
        return portCache

    def do_finished_event(self, order, merge_order_info):  # type:(ConsumeRecord, dict)->None
        order.reload()
        totalCst = self.event_data["totalCst"] / 3600.0
        sts = self.event_data["sts"]
        fts = self.event_data["fts"]
        coins = merge_order_info["coins"]

        cst = min(VirtualCoin(totalCst), VirtualCoin(coins))
        backCoins = VirtualCoin(coins) - cst
        duration = (fts - sts) / 60
        extra = [
            {u"本次订购金额": "{}".format(VirtualCoin(coins).amount)},
            {u"本次实际使用时长": "{}分钟".format(duration)},
            {u"消费金额": "{}（金币）".format(cst.amount)},
            {u'实体卡': '{}--No:{}'.format(self.card.cardName, self.card.cardNo)}
        ]
        if backCoins > VirtualCoin(0):
            extra.append({u"退费金额": u"{}（金币）".format(VirtualCoin(backCoins).amount)})
        self.card.clear_frozen_balance(str(order.id), backCoins)
        self.card.reload()

        # 组织消费信息
        consumeDict = {
            "reason": self._get_finish_reason(),
            DEALER_CONSUMPTION_AGG_KIND.DURATION: duration,
            DEALER_CONSUMPTION_AGG_KIND.SPEND_MONEY: VirtualCoin(cst).mongo_amount,
        }

        order.update_service_info(consumeDict)

        self.notify_user_service_complete(
            service_name='充电',
            openid=order.user.managerialOpenId,
            port=str(order.used_port),
            address=order.address,
            reason=consumeDict["reason"],
            finished_time=order.finishedTime.strftime('%Y-%m-%d %H:%M:%S'),
            extra=extra
        )

    def checkout_order(self, order):
        fee = VirtualCoin(order.coin)
        self.card.freeze_balance(transaction_id=str(order.id), fee=fee)

    def _get_finish_reason(self):
        if "reason" in self.event_data:
            return FINISH_REASON_MAP.get(self.event_data["reason"], u"未知原因")

        return u"未知原因"


class cmCZSubAckEventProcessorIntf(AckEventProcessorIntf):

    def pre_processing(self, device, event_data):  # type:(DeviceDict, dict)->dict
        addr, port = event_data['port'].split("-")
        event_data["port"] = int(port)
        event_data["fee"] = event_data["balance"]
        return event_data