package cache

import (
	"flag"
	"fmt"
	"time"
    "sync"
    "encoding/base64"

    "encoding/json"

    "basic.com/pubsub/cache.git/esutil"
    "basic.com/pubsub/cache.git/shardmap"

    "basic.com/valib/gosdk.git"
)

var querynum = flag.Int("querynum", 10, "the query number from database")
var threadnum = flag.Int("threadnum",32, "the number of thread to deal data.")

type CmapItem struct {
    sync.Mutex
    Cam map[string]*shardmap.ShardMap
}

var Cmap *CmapItem

func Init(indexName string, serverIp string, serverPort string, analyServerId string){
    flag.Parse()
    gosdk.InitFaceExtractor(16, 0)

    Cmap = &CmapItem{
        Cam: make(map[string]*shardmap.ShardMap),
    }

    temptime := time.Now()
    var wg sync.WaitGroup

    for i:=0; i<*threadnum; i++ {
        j := i*(*querynum)
        wg.Add(1)
        go func(qs int){
            defer wg.Done()
            escache, err := esutil.Personinfos(qs, *querynum, indexName, serverIp, serverPort, analyServerId)
            if err != nil {
                fmt.Println(err)
                return
            }

            Cmap.Lock()

            var tableidstring string
        	for _, value := range escache{

        	    // 如果没有tableid  则  tableidstring = capturetable
                if value.Tableid == ""{
                    tableidstring="capturetable"
                }else{
                    tableidstring = value.Tableid
                }

                if _, ok :=Cmap.Cam[tableidstring]; !ok {
                   Cmap.Cam[tableidstring]=shardmap.New(uint8(*threadnum))
                }
                
                Cmap.Cam[tableidstring].Set(value.Id,value.FaceFeature)
        	}

            Cmap.Unlock()

        }(j)
    }
    wg.Wait()
    fmt.Println("time of get data from es.", time.Since(temptime))
    fmt.Println()
}

func GetComparePersonBaseInfo(tableid []string, faceFeature []byte, compareThreshold float32) []byte {

    totalmap := make(map[string]float32)

    if faceFeature == nil {
        return nil
    }

    if tableid == nil {
        //对比全部
        for _, val := range Cmap.Cam {
            tmpmap := val.Walk(Printest, faceFeature)
            for key, sec := range tmpmap {
                if sec > 70*0.01 {
                    totalmap[key] = sec
                }
            }
        }
    } else {
        for _, tid := range tableid {
            shardins, ok := Cmap.Cam[tid]
            fmt.Println(ok)
            if !ok {
                fmt.Println("get shad error by id", shardins)
                continue
            }
            tmpmap := shardins.Walk(Printest, faceFeature)
            for key, sec := range tmpmap {
                if compareThreshold > 70{
                    if sec > compareThreshold {
                        totalmap[key] = sec
                    }
                }else {
                    if sec > 70*0.01 {
                        totalmap[key] = sec
                    }
                }

            }

        }
    }

    fmt.Println(totalmap)

    buf, err := json.Marshal(totalmap)
    if err != nil {
        fmt.Println("map to json error!", err)
        return nil
    }
    return buf
}

func Printest(ci []byte, co string ) (float32){

   co_d, err := base64.StdEncoding.DecodeString(co)
    if err != nil {
        fmt.Println("co_d : error : ", err)
        return -1
    }

    sec := gosdk.FaceCompare(ci, co_d)
    return sec
}