package camera

import (
	"errors"

	"basic.com/valib/deliver.git"

	"github.com/long/test/sdk"
	"github.com/long/test/util"
    "basic.com/pubsub/protomsg.git"

	"context"
	"fmt"
	"sync"
	// "time"
)

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

var Initchannel = make(chan protomsg.Camera )

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

func Init() {

	fmt.Println("============ camera info ====================")
	for _, cd := range util.CameraIds {
		fmt.Println(cd)
		fmt.Println()
	}

	go CreateCamera(Initchannel)
	go AutoDelCamera(util.Cameraflag)

	for _, cam := range util.CameraIds {
		Initchannel <- cam
	}
}

func CreateCamera(camera chan protomsg.Camera) {
	for cam := range camera {
        camid := cam.Id
        caddr := cam.Addr
		if _, ok := SocketManage.Load(camid); !ok {
			url := fmt.Sprintf("ipc:///tmp/%s.ipc", camid)

			id, socketlisten, err := NewCamerSocketListen(deliver.PushPull, camid, url)
			if err != nil {
				fmt.Println("create socket error")
				continue
			}

			go func(cid string, cameraaddr string,  sock SocketContext) {
				Recv(cid, cameraaddr, sock)
			}(id, caddr, socketlisten)
		}
	}
}

//动态处理
func AutoDelCamera(cameraflag chan bool) {

	for _ = range cameraflag {
		fmt.Println("test autodelcameraflag")
		var oldcamera []string

		SocketManage.Range(func(k, v interface{}) bool {
			if str, ok := k.(string); ok {
				oldcamera = append(oldcamera, str)
			}
			return true
		})

		var newcamera []string

		for _, value := range util.CameraIds {
			newcamera = append(newcamera, value.Id)
		}

		cameraChanDel := util.Difference(oldcamera, newcamera)
		fmt.Println(cameraChanDel)

		for key, op := range cameraChanDel {
			if op == "add" {
                for _, value := range util.CameraIds {
                    if key == value.Id{ 
        				Initchannel <- value
                    }
                }
			} else {
				if sock, ok := SocketManage.Load(key); ok {
					if socket, sok := sock.(SocketContext); sok {
						socket.Cancel()
						SocketManage.Delete(key)
					}
				}
				fmt.Println("删除camera server : ", key)
			}
		}
	}
}

// create server
func NewCamerSocketListen(mode int, cameraid string, url string) (cid string, socket SocketContext, err error) {
	ctx, cancel := context.WithCancel(context.Background())

	socket.Context = ctx
	socket.Cancel = cancel

	socket.Sock = deliver.NewServer(deliver.Mode(mode), url)
	fmt.Println("new socket.Sock: ", socket.Sock)

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

func Recv(cameraid string, caddr string , socket SocketContext) {
	var msg []byte
	var err error
	for {
		select {
		case <-socket.Context.Done():
			fmt.Println("listen recv quit")
			return
		default:
			if msg, err = socket.Sock.Recv(); err != nil {
				fmt.Println("err is: ", cameraid, err)
				continue
			} else {
				fmt.Println()
				fmt.Println("============== one msg input ==========")
				for _, taskid := range GetAlltask(cameraid) {
					// time.Sleep(5 * time.Second)
					fmt.Println("cameraid: ", cameraid, " taskid: ", taskid)
					 Taskdolist(cameraid, caddr, taskid, msg)
				}
			}
		}
	}
}

//   据cid 获取 所有的任务
func GetAlltask(cid string) (tasks []string) {
	for _, camsingle := range util.CameraTasks {
		if cid == camsingle.Camera.Id {
			for _, tasksingle := range camsingle.Tasks {
				tasks = append(tasks, tasksingle.Taskid)
			}
			return
		}
	}
	return
}

func Taskdolist(cid string, caddr string,  taskid string, data []byte) {

	//  数据加工(打标签)
	sdkmsg := sdk.SdkData(cid, caddr, taskid, data)
	if sdkmsg.Tasklab == nil {
		fmt.Printf("cid:%s 没有任务%s\n", cid, taskid)
		return
	}

	//  计算分发的主题
	SendTopic := sdk.SdkSendTopic(sdkmsg)
	if _, ok := sdk.SdkMap[SendTopic]; ok {
		sdk.SdkMap[SendTopic] <- sdkmsg
	} else {
		fmt.Println("分发的主题不存在")
	}
}