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

import os, sys,datetime
from os.path import abspath, join
import ConfigParser
import uuid
from django.conf import settings
import simplejson as json
from apps.web.constant import Const, DeviceCmdCode
from apps.web.core.mqtt_client import MqttClient
from apps.web.core.networking import MessageSender

try:
    configParser = ConfigParser.ConfigParser()
    configParser.read('./settings.ini')
    settingModuleName = configParser.get('CORE', 'setting')
except Exception:
    settingModuleName = 'staging'

settingModuleIdentifier = "configs.production" 
PROJECT_ROOT = abspath(os.path.split(os.path.realpath(__file__))[0] + "/..")
sys.path.insert(0, PROJECT_ROOT)
sys.path.insert(0, join(PROJECT_ROOT, "apps"))
os.environ.update({"DJANGO_SETTINGS_MODULE": settingModuleIdentifier})

from apps.web.device.models import Device

versionUrlDict = {
                  '16':"http://www.washpayer.com/uploaded/SMARTBOX_1.0.0_Luat_V0016_8955_SSL.bin",
                  '15':"http://www.washpayer.com/uploaded/SMARTBOX_1.0.0_Luat_V0015_8955_SSL.bin",
                  '14':"http://www.washpayer.com/uploaded/SMARTBOX_1.0.0_Luat_V0014_8955_SSL.bin"
                  }

def on_disconnect(client, userdata, rc):
    print('dis conect ........')
    
def on_connect(client, userdata, flags, rc):
    print('connect ok ........')
    #订阅设备的200响应消息，用于检查
    device_topic = Const.SERVER_TOPIC_PREFIX + '/+' + "/200"

    client.subscribe(device_topic, qos=Const.MQTT_QOS)
    
def on_message(mqttc, obj, msg):
    global versionUrlDict
    
    try:
        devInfo = json.loads(bytes.decode(msg.payload))
        imei = devInfo['IMEI']
        dev = Device.get_dev(imei)
        if dev is None:
            return
        #串口设备的各家协议不一样，不要进行升级，否则升级完毕，机子就无法联通串口了
        if dev.has_key('devType') and dev['devType'].has_key('code')and dev['devType']['code'] >= '100901':
            return
        if dev.has_key('devType') and (not dev['devType'].has_key('code')):
            return
        
        if dev['devType']['code'] >= Const.DEVICE_TYPE_CODE_PEDICURE:
            return
        
        if devInfo['soft_ver'] >= 'v1.7.6':
            return
        
        devs = Device.get_collection().find({'devNo':imei})
        if devs.count() <= 0:
            return 
        dbDev = devs[0]
        upDict = dbDev.get('upDict',{'16':0,'15':0,'14':0,'count':0,'lastTime':None})
        nowTime = datetime.datetime.now()
        
        if upDict.get('lastTime') != None and (nowTime-upDict['lastTime']).seconds < 300:
            return
        
        tVersion = '16'
        if upDict['16'] < 3:
            upDict['16'] += 1
            tVersion = '16'
        elif upDict['15'] < 3:
            upDict['15'] += 1
            tVersion = '15'
        elif upDict['14'] < 3:
            upDict['14'] += 1
            tVersion = '14'
            if upDict['14'] == 3:
                upDict['16'] = 0
                upDict['15'] = 0
                upDict['14'] = 0
        else:
            upDict['result'] = 'failed'

        result = MessageSender.send(device = dev, cmd = DeviceCmdCode.SET_DEVINFO,
                                    payload = {"IMEI": imei, "ota_set": versionUrlDict[tVersion]})
        if result['rst'] != 0:
            print('send updating cmd error,imei=%s' % imei)
        else:
            print('success for imei=%s,send the message' % imei)
            
        upDict['lastTime'] = datetime.datetime.now()
        upDict['count'] += 1
        Device.get_collection().update({'devNo':imei},{'$set':{'upDict':upDict}})
    except Exception,e:
        return
        
mqttc = MqttClient(client_id='webapp_'+str(uuid.uuid1()))

try:
    mqttc.on_message = on_message
    mqttc.on_disconnect =  on_disconnect
    mqttc.on_connect =  on_connect
    #连接到现网
    mqttc.connect(settings.MQTT_HOSTNAME, settings.MQTT_PORT,60)
    
    print('updating process is listening......')
    mqttc.loop_forever()
    
finally:
    print('finish ok')
    mqttc.disconnect()
    mqttc.close()