package drviers

import (
	"bytes"
	"errors"

	bus "github.com/ammeter/Bus"
	"github.com/yuguorong/go/log"
)

type SAirModel struct {
	Id       string `json:"id"`
	DevName  string `json:"devName"`
	Code     string `json:"code"`
	Protocol string `json:"protocol"`
	GwDevId  string `json:"gwDevId"`
}

type Uemis struct {
	baseDevice
	devList    map[string]SAirModel //name->Id
	chnExit    chan bool
	loopserver bool
}

func (u *Uemis) ChannelDispatch(stream []byte, args interface{}) bus.ChnDispResult {
	devName := ""
	buf := bytes.NewBuffer(stream)
	mret := u.Route[1].iproto.ParsePacket(buf.Bytes(), &devName)
	if mret != nil && devName != "" {
		devN := devName[8:]
		devN = "SA10" + "-00000000" + devN
		if _, has := u.devList[devN]; has {
			log.Info(u.DeviceName+" Dispatch ["+devN+"]: ", string(stream))
			return bus.DispatchMulti
		}
	}
	return bus.DispatchNone
}

func (u *Uemis) Run() error {
	u.loopserver = true
	for u.loopserver {
		select {
		case msg := <-u.Route[1].router[0]:
			b := msg.([]byte)
			devName := ""
			mret := u.Route[1].iproto.ParsePacket(b, &devName)
			if mret != nil && devName != "" {
				v := mret.(map[string]interface{})
				dev := devName[8:]
				dev = "SA10" + "-00000000" + dev
				log.Info(u.baseDevice.Id+"/"+dev, v)
				telemetry := u.Route[0].iproto.PackageCmd(dev, mret)
				u.Route[0].ibus.Send(u.Route[0].iChn, telemetry)
			}
		case <-u.chnExit:
			u.loopserver = false

		}
	}
	return nil
}

func (u *Uemis) Open(...interface{}) error {
	lenr := len(u.Route)
	if lenr < 1 {
		return errors.New("wrong route config")
	} else if lenr < 2 {
		u.SetRoute(u, "HJ212", "dtuFtpServer", "HJ212-"+u.Id, 0)
	}
	if !u.loopserver {
		go u.Run()
	}
	return nil
}

func (u *Uemis) Close() error {
	u.loopserver = false
	u.chnExit <- true
	return nil
}

func (u *Uemis) GetDevice(s string) interface{} {
	return u
}

type UemisDrv struct {
	baseDriver
}

func (drv *UemisDrv) GetModel() interface{} {
	return &[]SAirModel{}
}

func (drv *UemisDrv) CreateDevice(model interface{}, filterGwId string) (int, []IDevice) {
	drv.baseDriver.CreateDevice(model, filterGwId)
	devlist := make([]IDevice, 0)
	mlist := model.(*[]SAirModel)

	var dev *Uemis = nil
	for _, m := range *mlist {
		if m.GwDevId == filterGwId {
			if dev == nil {
				dev = new(Uemis)
				dev.loopserver = false
				dev.devList = make(map[string]SAirModel)

				dev.Id = m.Id
				dev.DeviceName = "S5-" + dev.Id
				dev.Probe(dev.DeviceName, drv)
				drv.baseDriver.DevList[dev.DeviceName] = dev
				devlist = append(devlist, dev)
			}
			//m.DevName = strings.ReplaceAll(m.DevName, "SAIR10", "S10")
			dev.devList[m.DevName] = m
		}
	}
	return len(devlist), devlist
}

func NewUemis(param interface{}) IDriver {
	drv := new(UemisDrv)
	return drv
}

func init() {
	driverReg["SA10"] = NewUemis
}