package lc

import (
	"lc-smartX/util"
	"lc-smartX/util/gopool"
	"time"
)

type SmartXServer interface {
	Serve()
}

type IntersectionServer struct {
	CameraEventServer *CameraServer
	State             byte
	Devices           []IDevice
	ReTicker          *time.Ticker
	Main              *time.Ticker
}

func StartIntersectionServer() {
	is := &IntersectionServer{
		Main:     time.NewTicker(5 * time.Second),  //主路状态回滚
		ReTicker: time.NewTicker(30 * time.Second), //重连
	}
	if util.Config.Server.SupportCamera {
		is.CameraEventServer = NewCameraEventServer()
		gopool.Go(is.CameraEventServer.Start)
	}
	//等事件服务先启动
	time.Sleep(1 * time.Second)
	is.Serve()
}

type MainNotifier struct{ s *IntersectionServer }

// Notify 主路来车,通知支路设备
func (m MainNotifier) Notify() {
	m.s.Main.Reset(5 * time.Second)
	if m.s.State != 1 {
		m.s.State = 1
		for _, v := range m.s.Devices {
			gopool.Go(v.Call)
		}
	}
}

func (is *IntersectionServer) Serve() {
	if util.Config.Server.SupportCamera {
		is.CameraEventServer.RegisterCallback(0, &MainNotifier{is})
	}

	//先创建响应设备
	for _, c := range util.Config.Screens {
		iDevice := &IntersectionDevice{
			Info: OutputDeviceInfo{
				Name:   c.Name,
				Ip:     c.Ip,
				Port:   c.Port,
				Branch: c.Branch,
			},
			Screen: NewScreen(c.Name, c.Ip, c.Port),
		}
		is.Devices = append(is.Devices, iDevice)

	}

	for {
		select {
		case <-is.Main.C: //检查主路状态->支路输出设备回到初始状态
			for _, v := range is.Devices {
				if is.State == 1 {
					gopool.Go(v.Rollback)
				}
			}
			is.State = 0
		}
	}
}