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(){
    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.DbPersoninfos(qs, *querynum) 
            if err != nil {
                fmt.Println(err)
                return
            }

            Cmap.Lock()           

        	for _, value := range escache{
                if _, ok :=Cmap.cam[value.Tableid]; !ok {
                   Cmap.cam[value.Tableid]=shardmap.New(uint8(*threadnum))        
                }
                
                Cmap.cam[value.Tableid].Set(value.Id,value.FaceFeature) 
        	}

            Cmap.Unlock()

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

func Getdbpersonmsg(tableid string, teststring []byte, IsCompare bool) ([]byte) {

    totalmap := make(map[string]float32)

    if !IsCompare {
        return nil
    }

    if teststring == nil {
        return nil 
    }

    if tableid == "" {
        for id, val := range Cmap.cam{
            fmt.Println("the id is: ", id)
            tmpmap := val.Walk(Printest, teststring)
            for key, sec := range tmpmap {
                totalmap[key] = sec
            }
        }
    }else{
       for id, value := range Cmap.cam{
            if id == tableid{
                fmt.Println("the id is: ", id)
                tmpmap :=value.Walk(Printest, teststring)
                for key, sec := range tmpmap {
                    totalmap[key]= sec
                }
                break
            }
       }
    }


    firsttime := time.Now()
    fmt.Println(time.Since(firsttime))

    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
}