package dynamics

import (
	"encoding/hex"
	"encoding/json"
	"fmt"
	"github.com/gin-gonic/gin"
	"github.com/panjf2000/gnet/v2"
	"joylink.club/bj-rtsts-server/config"
	"log"
	"net"
	"strconv"
	"testing"
	"time"
)

// 这里用来测试通信与数据传输是否正常

func TestAll(t *testing.T) {
	loadAndChangeConfig()
	//注册列车信息处理逻辑
	RegisterTrainInfoHandler(func(info *TrainInfo) {
		fmt.Println("处理列车信息...")
		fmt.Println(info)
	})
	//启动udp服务
	go RunUdpServer()
	////启动仅用于的测试的模拟远程udp服务
	go runTestUdpServer()
	////启动http服务
	go runTestHttpServer()
	time.Sleep(2 * time.Second)
	//向本地udp服务发送数据
	sendDataToLocalUdpServer()
	//向远程udp服务发送数据
	_ = SendTurnoutInfo(&TurnoutInfo{Code: 02})
	//发送http请求
	_, _, _ = SendInitTrainReq(&InitTrainInfo{Speed: 10})
}

func loadAndChangeConfig() {
	config.LoadConfig()
	config.Config.Dynamics.Ip = "127.0.0.1"
	config.Config.Dynamics.HttpPort = 3500
}

func sendDataToLocalUdpServer() {
	addr, _ := net.ResolveUDPAddr("udp", "127.0.0.1:"+strconv.Itoa(config.Config.Dynamics.UdpLocalPort))
	conn, _ := net.DialUDP("udp", nil, addr)
	buf, _ := hex.DecodeString("0009012EE009000000070380000006000100020003000A000A000A000A000A000A000A")
	conn.Write(buf)
	conn.Close()
}

func runTestHttpServer() {
	engine := gin.Default()
	engine.POST("/api/aerodynamics/init/train", func(context *gin.Context) {
		info := InitTrainInfo{}
		err := context.ShouldBindJSON(&info)
		if err != nil {
			println(err.Error())
		}
		data, err := json.MarshalIndent(info, "", "  ")
		fmt.Println("---------------- 接收到的列车初始化信息 ----------------")
		fmt.Println(string(data))
		if info.Speed != 10 {
			println("http服务接收到的数据异常")
		}
	})
	engine.Run(fmt.Sprintf(":%d", config.Config.Dynamics.HttpPort))
}

func runTestUdpServer() {
	server := &testUdpServer{addr: fmt.Sprintf("udp://:%d", config.Config.Dynamics.UdpRemotePort), multicore: false}
	log.Fatal(gnet.Run(server, server.addr, gnet.WithMulticore(server.multicore)))
}

type testUdpServer struct {
	gnet.BuiltinEventEngine

	eng       gnet.Engine
	addr      string
	multicore bool

	eventHandlers []gnet.EventHandler
}

func (server *testUdpServer) OnTraffic(c gnet.Conn) gnet.Action {
	buf, err := c.Next(-1)
	if err != nil {
		println(err.Error())
	}
	fmt.Println("---------------- 远程udp服务接收到的字节数据 ----------------")
	fmt.Println(buf)
	return gnet.None
}