package main

import (
	"runtime"
	"runtime/debug"
	"sync"
	"time"

	"lc/common/mqtt"
	"lc/common/protocol"
	"lc/common/util"
	"strings"

	"github.com/sirupsen/logrus"
)

// 海蓝物联 Zigbee集控器
var _HlZigbeeConcentratorMgrOnce sync.Once
var _HlZigbeeConcentratorMgrSingle *HlZigbeeConcentratorMgr

func GetHlZigbeeConcentratorMgr() *HlZigbeeConcentratorMgr {
	_HlZigbeeConcentratorMgrOnce.Do(func() {
		_HlZigbeeConcentratorMgrSingle = &HlZigbeeConcentratorMgr{
			queue:                   util.NewQueue(10000),
			mapHlZigbeeConcentrator: make(map[string]*HlZigbeeConcentrator),
		}
	})
	return _HlZigbeeConcentratorMgrSingle
}

type HlZigbeeConcentratorMgr struct {
	queue                   *util.MlQueue
	mapHlZigbeeConcentrator map[string]*HlZigbeeConcentrator
}

func (o *HlZigbeeConcentratorMgr) SubscribeTopics() {
	GetHlMqttMgr().Subscribe(GetHLTopicUp(), mqtt.AtMostOnce, o.HandlerData)
}

func (o *HlZigbeeConcentratorMgr) HandlerData(m mqtt.Message) {
	for {
		ok, cnt := o.queue.Put(&m)
		if ok {
			break
		} else {
			logrus.Errorf("HlZigbeeConcentratorMgr.HandlerData:查询队列失败,队列消息数量:%d", cnt)
			runtime.Gosched()
		}
	}
}

// Handler 解析mqtt消息,创建集控器并启用
func (o *HlZigbeeConcentratorMgr) Handler(args ...interface{}) interface{} {
	defer func() {
		if err := recover(); err != nil {
			gopool.Add(o.Handler, args)
			logrus.Errorf("HlZigbeeConcentratorMgr.Handler发生异常:%v", err)
			logrus.Errorf("HlZigbeeConcentratorMgr.Handler发生异常，堆栈信息:%s", string(debug.Stack()))
		}
	}()
	for {
		msg, ok, quantity := o.queue.Get()
		if !ok {
			time.Sleep(10 * time.Millisecond)
			continue
		} else if quantity > 1000 {
			logrus.Warnf("HlZigbeeConcentratorMgr.Handler:数据队列累积过多,请注意优化,当前队列条数:%d", quantity)
		}

		m, ok := msg.(*mqtt.Message)
		if !ok {
			continue
		}

		Tenant, t, err := ParseTopicHL(m.Topic())
		if err != nil {
			continue
		}
		if t != GetHLTopicUp() {
			logrus.Debugf("Topic不对:%s", t)
			continue
		}
		if strings.Contains(m.PayloadString(), "\"masterSn\"") { //带有集控器字样
			var hqls protocol.HLWLZB_Pack //decode后取出masterSn
			if err := hqls.DeCode(m.PayloadString()); err == nil {
				pzl, ok := o.mapHlZigbeeConcentrator[hqls.MasterSn]
				if !ok {
					pzl = NewHlZigbeeConcentrator(Tenant, hqls.MasterSn)
					pzl.Start()
					o.mapHlZigbeeConcentrator[hqls.MasterSn] = pzl
				}
				pzl.PutMessage(m)
			} else {
				logrus.Debugf("HlZigbeeConcentratorMgr.Handler:topic不符合要求2:%s", m.PayloadString())
			}
		} else {
			logrus.Debugf("HlZigbeeConcentratorMgr.Handler:topic不符合要求:%s", m.PayloadString())
		}

	}
}