import json
import logging
import os
import time

from django_redis import get_redis_connection
from django.conf import settings
from threading import Thread

from yzk_wechat_event.settings.constant import Constant
from django.utils.module_loading import import_string

logger = logging.getLogger('apps')


class JQREventCallbackPubSub:
    rc = get_redis_connection()

    @classmethod
    def publish(cls, data):
        cls.rc.lpush(Constant.JQR_EVENT_CALLBACK_PUBSUB_CHANNEL, json.dumps(data))

    @classmethod
    def event_callback_listener(cls):
        while True:
            data = cls.rc.brpop(Constant.JQR_EVENT_CALLBACK_PUBSUB_CHANNEL, 5)
            if data is None:
                time.sleep(5)
                continue
            data = json.loads(data[1])
            callback_data = json.loads(data['data'])
            corpinfo = data['corpinfo']
            handler = data['handler']
            handler = import_string(handler)
            handler(callback_data, corpinfo)


class JQREventNewUserCallbackPubSub:
    rc = get_redis_connection()

    @classmethod
    def publish(cls, data):
        cls.rc.lpush(Constant.JQR_EVENT_NEW_USER_CALLBACK_PUBSUB_CHANNEL, json.dumps(data))

    @classmethod
    def event_callback_listener(cls):
        while True:
            data = cls.rc.brpop(Constant.JQR_EVENT_NEW_USER_CALLBACK_PUBSUB_CHANNEL, 5)
            if data is None:
                time.sleep(5)
                continue
            data = json.loads(data[1])
            callback_data = json.loads(data['data'])
            corpinfo = data['corpinfo']
            handler = data['handler']
            handler = import_string(handler)
            handler(callback_data, corpinfo)


class JQRQrcodeCallbackPubSub:
    rc = get_redis_connection()

    @classmethod
    def publish(cls, data):
        cls.rc.lpush(Constant.JQR_QRCODE_PUBSUB_CHANNEL, json.dumps(data))

    @classmethod
    def qrcode_callback_listener(cls):
        while True:
            data = cls.rc.brpop(Constant.JQR_QRCODE_PUBSUB_CHANNEL, 5)
            if data is None:
                time.sleep(5)
                continue
            data = json.loads(data[1])
            qrcodeid = data['qrcodeid']
            userid = data['userid']
            externaluserid = data['externaluserid']
            corpinfo = data['corpinfo']
            handler = data['handler']
            handler = import_string(handler)
            handler(qrcodeid, userid, externaluserid, corpinfo)


if not settings.DEBUG:
    t = Thread(target=JQREventNewUserCallbackPubSub.event_callback_listener)
    t.start()
    t2 = Thread(target=JQRQrcodeCallbackPubSub.qrcode_callback_listener)
    t2.start()