package main

import (
	"flag"
	"fmt"
	"log"

	"bff/internal/config"
	"bff/internal/dialer"
	"bff/internal/response"

	"pkg.local/discovery"

	"github.com/zeromicro/go-zero/core/conf"
	"github.com/zeromicro/go-zero/gateway"
)

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

func main() {
	flag.Parse()

	var c config.Config
	conf.MustLoad(*configFile, &c)

	response.Init(c.Response.IsDebug, c.Response.EncryptKey)

	if err := discovery.Init(discovery.Config{
		Hosts:       c.Nacos.Hosts,
		NamespaceId: c.Nacos.NamespaceId,
		Group:       c.Nacos.Group,
	}); err != nil {
		log.Fatalf("nacos init: %v", err)
	}

	registerIP := c.Nacos.RegisterIP
	if err := discovery.Register(discovery.Instance{
		ServiceName: c.Name,
		IP:          registerIP,
		Port:        uint64(c.Port),
		Group:       c.Nacos.Group,
	}); err != nil {
		log.Fatalf("nacos register: %v", err)
	}
	defer func() {
		if err := discovery.Deregister(); err != nil {
			log.Printf("nacos deregister: %v", err)
		}
	}()

	gw := gateway.MustNewServer(c.GatewayConf,
		gateway.WithDialer(dialer.Nacos),
		// 权鉴
		gateway.WithMiddleware(response.UserReadMiddleware),
		gateway.WithMiddleware(response.Wrap),
	)
	defer gw.Stop()

	fmt.Printf("Starting server at %s:%d...\n", c.Host, c.Port)
	gw.Start()
}