package main

import (
	"context"
	"log"

	"github.com/go-kratos/kratos/examples/helloworld/helloworld"
	"github.com/go-kratos/kratos/registry/nacos/v2"
	"github.com/go-kratos/kratos/v2/transport/grpc"
	"github.com/nacos-group/nacos-sdk-go/clients"
	"github.com/nacos-group/nacos-sdk-go/common/constant"
	"github.com/nacos-group/nacos-sdk-go/vo"
)

func main() {
	sc := []constant.ServerConfig{
		*constant.NewServerConfig("127.0.0.1", 8848),
	}

	cc := &constant.ClientConfig{
		NamespaceId:         "public",
		TimeoutMs:           5000,
		NotLoadCacheAtStart: true,
		LogDir:              "/tmp/nacos/log",
		CacheDir:            "/tmp/nacos/cache",
		RotateTime:          "1h",
		MaxAge:              3,
		LogLevel:            "debug",
	}

	cli, err := clients.NewNamingClient(
		vo.NacosClientParam{
			ClientConfig:  cc,
			ServerConfigs: sc,
		},
	)
	if err != nil {
		log.Panic(err)
	}

	conn, err := grpc.DialInsecure(
		context.Background(),
		grpc.WithEndpoint("discovery:///helloworld"),
		grpc.WithDiscovery(registry.New(cli)),
	)
	if err != nil {
		log.Fatal(err)
	}
	defer conn.Close()

	client := helloworld.NewGreeterClient(conn)
	reply, err := client.SayHello(context.Background(), &helloworld.HelloRequest{Name: "kratos"})
	if err != nil {
		log.Fatal(err)
	}
	log.Printf("[grpc] SayHello %+v\n", reply)
}