package main

import (
	"context"
	"fmt"
	"log"
	"net/http"
	"os"

	pb "git.sshear.dev/sammyshear/rpc-go-example/rpc/helloworld"
)

type HelloWorldServer struct{}

// Hello implements helloworld.HelloWorld.
func (h *HelloWorldServer) Hello(_ context.Context, req *pb.HelloReq) (*pb.HelloResp, error) {
	return &pb.HelloResp{Text: fmt.Sprintf("Hello %s!", req.Subject)}, nil
}

func main() {
	twirpHandler := pb.NewHelloWorldServer(&HelloWorldServer{})

	mux := http.NewServeMux()
	mux.Handle(twirpHandler.PathPrefix(), twirpHandler)
	go http.ListenAndServe(":8080", mux)

	client := pb.NewHelloWorldProtobufClient("http://localhost:8080", &http.Client{})
	res, err := client.Hello(context.Background(), &pb.HelloReq{
		Subject: "Sammy",
	})
	if err != nil {
		log.Panicf("Error making request: %s", err)
	}
	fmt.Printf("%s\n", res.Text)
	os.Exit(0)
}