package main

import (
	"flag"
	"fmt"
	"github.com/nacos-group/nacos-sdk-go/v2/common/constant"
	"github.com/zeromicro/go-zero/core/conf"
	"github.com/zeromicro/go-zero/core/service"
	"github.com/zeromicro/go-zero/zrpc"
	"github.com/zeromicro/zero-contrib/zrpc/registry/nacos"
	"google.golang.org/grpc"
	"google.golang.org/grpc/reflection"
	"strconv"
	"strings"
	"trasfer_middleware/cmd/rpc/internal/config"
	"trasfer_middleware/cmd/rpc/internal/server"
	"trasfer_middleware/cmd/rpc/internal/svc"
	"trasfer_middleware/cmd/rpc/pb/transfer"
)

var configFile = flag.String("f", "../../config/transfer_local.yaml", "the config file")

func main() {
	flag.Parse()

	var c config.Config
	conf.MustLoad(*configFile, &c)
	ctx := svc.NewServiceContext(c)

	s := zrpc.MustNewServer(c.RpcServerConf, func(grpcServer *grpc.Server) {
		transfer.RegisterTransferServer(grpcServer, server.NewTransferServer(ctx))
		if c.Mode == service.DevMode || c.Mode == service.TestMode {
			reflection.Register(grpcServer)
		}
	})
	registerNacos(&c)
	defer s.Stop()

	fmt.Printf("Starting rpc server at %s...\n", c.ListenOn)
	s.Start()
}

func registerNacos(c *config.Config) {
	sc := []constant.ServerConfig{}
	for _, v := range c.Nacos.Hosts {
		splitSlice := strings.Split(v, ":")
		port, _ := strconv.Atoi(splitSlice[1])
		sc = append(sc, *constant.NewServerConfig(splitSlice[0], uint64(port)))
	}
	cc := &constant.ClientConfig{
		NamespaceId:         c.Nacos.NameSpace,
		TimeoutMs:           c.Nacos.TimeOut,
		NotLoadCacheAtStart: true,
		Username:            c.Nacos.Username,
		Password:            c.Nacos.Password,
		LogDir:              "/tmp/nacos/log",
		CacheDir:            "/tmp/nacos/cache",
		LogLevel:            "debug",
	}

	opts := nacos.NewNacosConfig(c.Nacos.ServiceName, c.ListenOn, sc, cc)
	err := nacos.RegisterService(opts)
	if err != nil {
		panic(err)
	}
}