package service

import (
	"basic.com/pubsub/protomsg.git"
	"github.com/gogo/protobuf/proto"
	"github.com/satori/go.uuid"
	"nanomsg.org/go-mangos"
	"nanomsg.org/go-mangos/protocol/req"
	"nanomsg.org/go-mangos/transport/ipc"
	"nanomsg.org/go-mangos/transport/tcp"
	"sync"
	"webserver/extend/config"
	"webserver/extend/logger"
)

type FaceCompareService struct {
	CompareNum string
	CompareArgs protomsg.CompareArgs
}

func NewFaceCompareService(args protomsg.CompareArgs) *FaceCompareService {
	return &FaceCompareService{
		CompareNum: uuid.NewV4().String(),
		CompareArgs:args,
	}
}

type CompareOnce struct {
	CompareNum string `json:"compareOnce"`
	CompareData *CompareList `json:"compareData"`
}

type CompareList []*protomsg.SdkCompareEach

func (s CompareList) Len()int {
	return len(s)
}
func (s CompareList) Swap(i,j int) {
	s[i],s[j] = s[j],s[i]
}
func (s CompareList) Less(i,j int) bool{//降序排序
	return s[i].CompareScore > s[j].CompareScore
}

var compResultHisM = make(map[string]*CompareOnce,0)
var lock sync.Mutex

func SetCompResultByNum(co *CompareOnce) {
	lock.Lock()
	defer lock.Unlock()
	compResultHisM[co.CompareNum] = co
}

func GetCompResultByNum(num string) *CompareOnce {
	lock.Lock()
	defer lock.Unlock()
	if co,ok := compResultHisM[num];ok {
		return co
	} else {
		return nil
	}
}

var CaptureTable = "capturetable" // 抓拍库

func (sv *FaceCompareService) Compare() *CompareOnce{
	b, err := proto.Marshal(&sv.CompareArgs)
	compServerList := config.CompServerInfo.Url
	logger.Debug("compServerList:", compServerList)
	//1.向各个compare进程发起请求拿到比对结果
	var resultList CompareList
	//resultList :=make([]*protomsg.SdkCompareEach,0)
	for _,str :=range compServerList{
		reqUrl := "tcp://"+str
		resultB := doCompareRequest(reqUrl,b)
		if resultB == nil || len(*resultB) ==0 {
			continue
		}
		var sdkCompResult protomsg.SdkCompareResult
		//rList :=make([]protomsg.Esinfo,0)
		err = proto.Unmarshal(*resultB, &sdkCompResult)
		if err !=nil {
			logger.Debug("comp sdkCompareResult unmarshal err:", err)
			continue
		}

		logger.Debug("comp len(rList):", len(sdkCompResult.CompareResult))
		if len(sdkCompResult.CompareResult) >0 {
			resultList = append(resultList, sdkCompResult.CompareResult...)
			//resultList = append(resultList, FillDataToCompareResult(&sdkCompResult)...)
		}
	}
	logger.Debug("comp totalList.len:", len(resultList))

	//2.缓存比对结果
	co := &CompareOnce{
		CompareNum: sv.CompareNum,
		CompareData: &resultList,
	}
	SetCompResultByNum(co)

	return co
}

func doCompareRequest(url string,args []byte) *[]byte{
	logger.Debug("comp reqUrl:",url)
	var sock mangos.Socket
	var err error
	var msg []byte

	if sock,err = req.NewSocket();err !=nil {
		logger.Debug("comp can't new req socket:%s",err.Error())
		return nil
	}
	sock.AddTransport(ipc.NewTransport())
	sock.AddTransport(tcp.NewTransport())
	if err = sock.Dial(url);err !=nil {
		logger.Debug("comp can't dial on req socket:%s",err.Error())
		return nil
	}
	sock.SetOption(mangos.OptionMaxRecvSize, 1024*1024*100)
	//sock.SetOption(mangos.OptionRecvDeadline, time.Second*10)
	if err = sock.Send(args);err !=nil {
		logger.Debug("comp can't send message on push socket:%s",err.Error())
		return nil
	}
	if msg,err = sock.Recv();err !=nil {
		logger.Debug("comp sock.Recv receive err:%s",err.Error())
		return nil
	}
	sock.Close()
	return &msg
}