package service

import (
	"basic.com/pubsub/esutil.git"
	"basic.com/pubsub/protomsg.git"
	"basic.com/valib/bhomedbapi.git"
	"basic.com/valib/logger.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"
	"strconv"
	"sync"
	"time"
	"vamicro/config"
)

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) CompareVideoPersons() *CompareList {
	sv.CompareArgs.TableIds = []string{CaptureTable}
	b, err := proto.Marshal(&sv.CompareArgs)

	var sysApi bhomedbapi.SysSetApi
	sysb, localConf := sysApi.GetServerInfo()
	if !sysb || localConf.AlarmIp == "" || localConf.ServerId == "" {
		logger.Debug("localConfig is wrong!!!")
		return nil
	}
	targetNodeMap := make(map[string]string)
	infos, e := esutil.GetShardsByIndex(localConf.AlarmIp, strconv.Itoa(int(localConf.AlarmPort)), config.EsInfo.EsIndex.AiOcean.IndexName)
	if e != nil || infos == nil {
		logger.Debug("get es primary ips err")
		return nil
	}
	for _, shard := range infos {
		if shard.ShardRole == "primary" && shard.ShardState == "STARTED" {
			if _, ok := targetNodeMap[shard.ShardIp]; !ok {
				targetNodeMap[shard.ShardIp] = shard.ShardIp
			}
		}
	}
	if len(targetNodeMap) == 0 {
		logger.Debug("target compare server is nil")
		return nil
	}

	logger.Debug("compServerList:", targetNodeMap)
	//1.向各个Es compare进程发起请求拿到比对结果
	var resultList CompareList

	for str, _ := range targetNodeMap {
		reqUrl := "tcp://" + str + ":" + strconv.Itoa(config.EsCompServerInfo.Port)
		resultB := doCompareRequest(reqUrl, b)
		if resultB == nil || len(*resultB) == 0 {
			continue
		}
		var sdkCompResult protomsg.SdkCompareResult

		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...)
		}
	}
	logger.Debug("comp totalList.len:", len(resultList))

	return &resultList
}

//比对底库
func (sv *FaceCompareService) CompareDbPersons() *CompareList {
	b, err := proto.Marshal(&sv.CompareArgs)
	dbPersonCompServerUrl := config.DbPersonCompare.Ip
	logger.Debug("comp Server url:", dbPersonCompServerUrl)

	var resultList CompareList

	reqUrl := "tcp://" + dbPersonCompServerUrl + ":" + strconv.Itoa(config.DbPersonCompare.Port)
	resultB := doCompareRequest(reqUrl, b)
	if resultB == nil || len(*resultB) == 0 {
		return nil
	}
	var sdkCompResult protomsg.SdkCompareResult
	err = proto.Unmarshal(*resultB, &sdkCompResult)
	if err != nil {
		logger.Debug("comp sdkCompareResult unmarshal err:", err)
		return nil
	}

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

	logger.Debug("comp totalList.len:", len(resultList))

	return &resultList
}

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*5)
	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
}