package sdk

import (
	"context"
	"errors"
	"fmt"

	"github.com/long/test/httpclient"
	"github.com/long/test/protomsg"
	"github.com/long/test/tasktag"
	"github.com/long/test/util"

	"github.com/golang/protobuf/proto"
	"github.com/long/test/deliver"
)

//var doOnce sync.Once
var SocketManage = make(map[string]SocketContext)

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

func Init() {

	sdklist := SdkAll() //获取所有sdk
	fmt.Println("sdk list have: ", sdklist)

	SdkCreateTopic(sdklist) // 创建主题

	for _, sdkid := range sdklist { // 创建sdk server
		url := fmt.Sprintf("%s%d", "tcp://192.168.1.124:", UrlPort)
		sdkidser, socketser, err := NewSdkSocketListen(deliver.PushPull, sdkid, url)
		if err != nil {
			continue
		}
		UrlPort++
		go Send(sdkidser, socketser, SdkMap[sdkid])

		url = fmt.Sprintf("%s%d", "tcp://192.168.1.124:", UrlPortR)
		_, socketdial, err := NewSdkSocketListen(deliver.PushPull, sdkid, url)
		if err != nil {
			continue
		}
		UrlPortR++
		go Recv(socketdial)

	}

	go es(SdkMap["es"])

}

//单独处理   es 主题的情况
func es(sdkmsgchan chan *protomsg.SdkMessage) {
	for _ = range sdkmsgchan {
		fmt.Println("this data is finish all sdk! ")
	}

}

//动态处理
func AutoDelSdk(Newsdklist []string) {
	var oldSdk []string
	for key, _ := range SdkMap {
		oldSdk = append(oldSdk, key)
	}
	sdkChanDel := util.Difference(oldSdk, Newsdklist)

	for key, op := range sdkChanDel {
		if op == "add" {
			SdkMap[key] = make(chan *protomsg.SdkMessage)
			fmt.Println("创建主题 sdk: ", key)
		} else {
			close(SdkMap[key])
			delete(SdkMap, key)
			fmt.Println("删除主题 sdk: ", key)
		}
	}
}

//主题
var SdkMap = make(map[string]chan *protomsg.SdkMessage)

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

	sdkmsg.Tasklab = tasktag.TaskMapLab[taskid]
	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.Sdkids) {
		sdksend = sdkmsg.Tasklab.Sdkids[sdkmsg.Tasklab.Index]
	} else {
		sdksend = "es"
	}
	fmt.Println()
	fmt.Println("分发的主题是： ", sdksend)
	fmt.Println()
	return
}

// 调用  http 借口获取摄像机信息
func SdkAll() (sdklist []string) {
	sdklist = httpclient.GetSdk("http://127.0.0.1:8000/data/api-v/sdk/findskdid")
	return
}

// 创建主题
func SdkCreateTopic(sdklist []string) (err error) {
	for _, sdkid := range sdklist {
		SdkMap[sdkid] = make(chan *protomsg.SdkMessage)
		fmt.Println("create sdk channel:  ", sdkid)
	}

	SdkMap["es"] = make(chan *protomsg.SdkMessage)
	fmt.Println("create es channel:  ")

	return nil
}

var UrlPort = 9000
var UrlPortR = 9500

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

	socket.Context = ctx
	socket.Cancel = cancel

	socket.Sock = deliver.NewServer(deliver.Mode(mode), url)
	fmt.Println(sdkid, socket.Sock)

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

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

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

	socket.Context = ctx
	socket.Cancel = cancel

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

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

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

func Recv(socket SocketContext) {
	//socket.Sock.SetOption(mangos.OptionRecvDeadline, 1*time.Second)

	var repsdkmsg = &protomsg.SdkMessage{}
	for {
		select {
		case <-socket.Context.Done():
			fmt.Println("socket close")
			return
		default:
			if msg, err := socket.Sock.Recv(); err != nil {
				//fmt.Printf("%s ", err)
				continue
			} else {
				err = proto.Unmarshal(msg, repsdkmsg)
				fmt.Println("receive len: ", len(msg))
				if err != nil {
					fmt.Println("unmarshal error: ", err)
					continue
				}
				//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) {
	var v *protomsg.SdkMessage

	for {
		select {
		case <-socket.Context.Done():
			fmt.Println("socket is close")
		case v = <-in:
			data, err := proto.Marshal(v)
			if err != nil {
				fmt.Println("proto marshal error ", err)
				continue
			}
			fmt.Printf("从管道sdkid=%s 接受数据 %d\n", sdkid, len(data))
			fmt.Println()

			fmt.Println("send len of data: ", len(data))
			if err := socket.Sock.Send(data); err != nil {
				fmt.Println("failed send")
				continue
			}
			fmt.Printf("sdkid = %s ,send success:%d \n", sdkid, len(data))
		}
	}
}