package main

import (
	"flag"
	"github.com/golang/glog"
	"golang.org/x/net/context"
	"github.com/grpc-ecosystem/grpc-gateway/runtime"
	"google.golang.org/grpc"
	pb "loafle.com/overflow/overflow_api_service/grpc"
	"net/http"
)

var (
	overflowEndpoint = flag.String("echo_endpoint", "localhost:9090", "/v1/overflow/services")
)

func runGwRpc() (err error) {
	ctx := context.Background()
	ctx, cancel := context.WithCancel(ctx)
	defer cancel()

	mux := runtime.NewServeMux()
	opts := []grpc.DialOption{grpc.WithInsecure()}

	err = pb.RegisterOverflowGatewayHandlerFromEndpoint(ctx, mux, *overflowEndpoint, opts)

	if err != nil {
		return err
	}

	return http.ListenAndServe(":8080", mux)
}

func main() {
	flag.Parse()
	defer glog.Flush()

	if err := runGwRpc(); err != nil {
		glog.Fatal(err)
	}
}