package sdk

import (
	"context"
	"errors"
	"fmt"

	//	"github.com/long/test/httpclient"
	"github.com/long/test/tasktag"
	"github.com/long/test/util"
    "github.com/gogo/protobuf/proto"

	"basic.com/pubsub/protomsg.git"
	"basic.com/valib/deliver.git"
    "github.com/long/test/logger"
)

const (
	postPull = "_1.ipc"
	postPush = "_2.ipc"
)

var SocketManage = make(map[string]SocketContext)
var SdkMap = make(map[string]chan protomsg.SdkMessage)

type SocketContext struct {
	Sock    deliver.Deliver
	Context context.Context
	Cancel  context.CancelFunc
}

func Init() {

	logger.Info("============= init sdk info =====================")
	for _, sdkid := range util.Sdklist { // 创建sdk server
		CreatesdkTopicandServer(sdkid)
		logger.Info()
	}

    // 手动输入的主题
    
    // sdk-no-track
    CreatesdkTopicandServer("facedetect-sdk-no-track")
    logger.Info()

    // es
	SdkMap["es"] = make(chan protomsg.SdkMessage)
	logger.Info("create es channel: ")

    // web
    SdkMap["virtual-faceextract-sdk-pull"] = make(chan protomsg.SdkMessage)
	logger.Info("create virtual-faceextract-sdk-pull")

    Createwebserver("virtual-faceextract-sdk-pull")

	go Dealextern()
	go AutoDelSdk(util.Sdkflag)
}

func CreatesdkTopicandServer(sdkid string) {

	SdkMap[sdkid] = make(chan protomsg.SdkMessage)
	logger.Info("create sdk channel:  ", sdkid)

	url := fmt.Sprintf("ipc:///tmp/%s%s", sdkid, postPull)
	socketser, err := NewSdkSocketListen(deliver.PushPull, sdkid, url)
	if err != nil {
        delete(SdkMap, sdkid)
		logger.Error(sdkid, "create server error!")
		return
	}


	go Send(sdkid, socketser, SdkMap[sdkid])

	url = fmt.Sprintf("ipc:///tmp/%s%s", sdkid, postPush)
	socketdial, err := NewSdkSocketListen(deliver.PushPull, sdkid, url)
	if err != nil {
        delete(SdkMap, sdkid)
		logger.Error(sdkid, "create dial error!")
		return
	}
	go Recv(socketdial)

}

// web 接受端处理
func Createwebserver(webid string ){
    url := fmt.Sprintf("ipc:///tmp/%s%s", webid, postPull)
	socketser, err := NewSdkSocketListen(deliver.PushPull, webid, url)
	if err != nil {
		logger.Error(webid, "create server error!")
		return
	}
	go Send(webid, socketser, SdkMap[webid])
}

func DeletesdkTopicandServer(sdkid string) {
	close(SdkMap[sdkid])
	delete(SdkMap, sdkid)
	logger.Info("删除主题 sdk: ", sdkid)

	SocketManage[sdkid].Cancel()
	delete(SocketManage, sdkid)
	logger.Info("删除server sdk: ", sdkid)
}

//单独处理   es 主题的情况
func Dealextern() {
    for {
        select {
            case <-SdkMap["es"]:
                //logger.Info("es finanl sdk!")
        }
    }
}

//动态处理
func AutoDelSdk(sdkflag chan bool) {

	for _ = range sdkflag {
		logger.Info("test autodelsdk")
		var oldSdk []string
		for key, _ := range SdkMap {
			oldSdk = append(oldSdk, key)
		}

        // 手动添加的全部加上
		util.Sdklist = append(util.Sdklist, "es")
		util.Sdklist = append(util.Sdklist, "virtual-faceextract-sdk-pull")
		util.Sdklist = append(util.Sdklist, "facedetect-sdk-no-track")

		sdkChanDel := util.Difference(oldSdk, util.Sdklist)
		logger.Info(sdkChanDel)

		for key, op := range sdkChanDel {
			if op == "add" {
				CreatesdkTopicandServer(key)
			} else {
				DeletesdkTopicandServer(key)
				logger.Info("删除主题 sdk: ", key)
			}
		}
	}
}


//sdk数据 加工器
func SdkData(cid string,caddr string, taskid string, data []byte) protomsg.SdkMessage {
	var sdkmsg = protomsg.SdkMessage{}
	sdkmsg.Cid = cid
    sdkmsg.Caddr =caddr 
	if val, ok := tasktag.TaskMapLab.Load(taskid); !ok {
		sdkmsg.Tasklab = nil
		return sdkmsg

	} else {

		sdkmsg.Tasklab = val.(*protomsg.TaskLabel)
		sdkmsg.Data = data
	}
	return sdkmsg
}

//sdk数据分发器
func SdkSendTopic(sdkmsg protomsg.SdkMessage) (sdksend string) {
	if int(sdkmsg.Tasklab.Index) < len(sdkmsg.Tasklab.Sdkinfos) {
		sdksend = sdkmsg.Tasklab.Sdkinfos[sdkmsg.Tasklab.Index].Ipcid
	} else {
		sdksend = "es"
	}
    logger.Debug("分发的主题: ", sdksend , "位置：", int(sdkmsg.Tasklab.Index)+1,"/",  len(sdkmsg.Tasklab.Sdkinfos))
	return
}

// create server
func NewSdkSocketListen(mode int, sdkid string, url string) (socket SocketContext, err error) {
	logger.Info("url is: ", url)
	ctx, cancel := context.WithCancel(context.Background())

	socket.Context = ctx
	socket.Cancel = cancel
	socket.Sock = deliver.NewServer(deliver.Mode(mode), url)

	if socket.Sock == nil {
		return socket, errors.New("create listen error")
	}

	SocketManage[sdkid] = socket
	return socket, nil
}

func NewSdkSocketDial(mode int, sdkid string, url string) (sid string, socket SocketContext, err error) {
	logger.Info("url is: ", url)
	ctx, cancel := context.WithCancel(context.Background())

	socket.Context = ctx
	socket.Cancel = cancel

	socket.Sock = deliver.NewClient(deliver.Mode(mode), url)

	if socket.Sock == nil {
		return sdkid, socket, errors.New("create listen error")
	}

	SocketManage[sdkid] = socket
	return sdkid, socket, nil
}

func Recv(socket SocketContext) {
	var repsdkmsg = protomsg.SdkMessage{}
	for {
		select {
		case <-socket.Context.Done():
			logger.Info("socket close")
			return
		default:
			if msg, err := socket.Sock.Recv(); err != nil {
				continue
			} else {
				err = proto.Unmarshal(msg, &repsdkmsg)
				if err != nil {
					logger.Error("unmarshal error: ", err)
					continue
			    }
                repsdkmsg.Tasklab.Index++
                //调用计算函数， 分发给下一个主题
                nexttopic := SdkSendTopic(repsdkmsg)
                SdkMap[nexttopic] <- repsdkmsg
			}
		}
	}
}

func Send(sdkid string, socket SocketContext, in chan protomsg.SdkMessage) {

	for {
		select {
		case <-socket.Context.Done():
			logger.Info("socket is close")
			return
        case v, ok := <-in:
			if ok {
				data, err :=v.Marshal()
				if err != nil {
					logger.Error("proto marshal error ", err)
					continue
                }
				
				if err := socket.Sock.Send(data); err != nil {
					logger.Error("failed send")
					continue
				}
                logger.Debug(sdkid, " send success: ", len(data))
			} else {
				logger.Debug(sdkid, " 主题关闭, 关闭send()")
				return
			}
		}
	}
}