package main

import (
	"flag"
	"fmt"
	"os"
	"runtime"

	// Import all Kubernetes client auth plugins (e.g. Azure, GCP, OIDC, etc.)
	_ "k8s.io/client-go/plugin/pkg/client/auth"

	"github.com/spf13/pflag"
	notif "ovn4nfv-k8s-plugin/internal/pkg/nfnNotify"
	"ovn4nfv-k8s-plugin/internal/pkg/ovn"
	"ovn4nfv-k8s-plugin/pkg/apis"
	"ovn4nfv-k8s-plugin/pkg/controller"
	"sigs.k8s.io/controller-runtime/pkg/client/config"
	"sigs.k8s.io/controller-runtime/pkg/log/zap"
	"sigs.k8s.io/controller-runtime/pkg/manager"
	logf "sigs.k8s.io/controller-runtime/pkg/runtime/log"
	"sigs.k8s.io/controller-runtime/pkg/runtime/signals"
)

var log = logf.Log.WithName("nfn-operator")

func printVersion() {
	log.Info(fmt.Sprintf("Go Version: %s", runtime.Version()))
	log.Info(fmt.Sprintf("Go OS/Arch: %s/%s", runtime.GOOS, runtime.GOARCH))
}

func main() {

	// Add flags registered by imported packages (e.g. glog and
	// controller-runtime)
	pflag.CommandLine.AddGoFlagSet(flag.CommandLine)

	pflag.Parse()

	// Use a zap logr.Logger implementation. If none of the zap
	// flags are configured (or if the zap flag set is not being
	// used), this defaults to a production zap logger.
	//
	// The logger instantiated here can be changed to any logger
	// implementing the logr.Logger interface. This logger will
	// be propagated through the whole operator, generating
	// uniform and structured logs.
	logf.SetLogger(zap.Logger(true))

	printVersion()

	// Create an OVN Controller
	_, err := ovn.NewOvnController(nil)
	if err != nil {
		log.Error(err, "")
		os.Exit(1)
	}
	//Initialize all the controllers that are supported here

	// Get a config to talk to the apiserver
	cfg, err := config.GetConfig()
	if err != nil {
		log.Error(err, "")
		os.Exit(1)
	}

	// Start GRPC Notification Server
	go notif.SetupNotifServer(cfg)

	// Create a new Cmd to provide shared dependencies and start components
	mgr, err := manager.New(cfg, manager.Options{})
	if err != nil {
		log.Error(err, "")
		os.Exit(1)
	}

	log.Info("Registering Components.")

	// Setup Scheme for all resources
	if err := apis.AddToScheme(mgr.GetScheme()); err != nil {
		log.Error(err, "")
		os.Exit(1)
	}

	// Setup all Controllers
	if err := controller.AddToManager(mgr); err != nil {
		log.Error(err, "")
		os.Exit(1)
	}
	log.Info("Starting the Cmd.")

	// Start the Cmd
	if err := mgr.Start(signals.SetupSignalHandler()); err != nil {
		log.Error(err, "Manager exited non-zero")
		os.Exit(1)
	}

}