package main

import (
	"sig-pub/internal/sig"
	"sig-pub/pkg/config"
	"sig-pub/pkg/grpc/discovery"
	"sig-pub/pkg/grpc/generic"
	"sig-pub/pkg/utils/exit"

	clientv3 "go.etcd.io/etcd/client/v3"
	"google.golang.org/grpc"
	"google.golang.org/grpc/credentials/insecure"
)

func main() {
	defer exit.Await()
	// load config
	conf := config.MustLoadConfig(new(config.Configuration), "config/config.toml")

	// etcd discovery
	etcdClient, err := clientv3.New(conf.Etcd)
	if err != nil {
		panic(err)
	}
	exit.AddHook(func() { _ = etcdClient.Close() }, exit.WithOrderTail())

	dis := discovery.NewEtcdDiscovery(etcdClient)
	resolver, err := dis.Resolver()
	if err != nil {
		panic(err)
	}
	gpcGenericClientFactory := generic.NewGpcGenericClientFactory(
		discovery.EtcdSchema,
		grpc.WithTransportCredentials(insecure.NewCredentials()),
		grpc.WithResolvers(resolver),
	)
	if err := gpcGenericClientFactory.Init(); err != nil {
		panic(err)
	}

	sigServer := sig.NewSigServer(gpcGenericClientFactory)
	if err := sigServer.Init(); err != nil {
		panic(err)
	}
	go func() {
		if err := sigServer.Run(":7001"); err != nil {
			panic(err)
		}
	}()
}