// Создан: 2026-04-07
// main.go — точка входа SQS Operator.
// Запускает controller-runtime manager с QueueServiceReconciler.
// Отдельный оператор — независим от sless-operator (отдельная репа в будущем).

package main

import (
	"flag"
	"os"

	"k8s.io/apimachinery/pkg/runtime"
	utilruntime "k8s.io/apimachinery/pkg/util/runtime"
	clientgoscheme "k8s.io/client-go/kubernetes/scheme"
	ctrl "sigs.k8s.io/controller-runtime"
	"sigs.k8s.io/controller-runtime/pkg/healthz"
	"sigs.k8s.io/controller-runtime/pkg/log/zap"

	sqsv1alpha1 "gitea-naeel.giteak8s.services.ngcloud.ru/naeel/sqs-operator/api/v1alpha1"
	"gitea-naeel.giteak8s.services.ngcloud.ru/naeel/sqs-operator/controllers"
	"gitea-naeel.giteak8s.services.ngcloud.ru/naeel/sqs-operator/internal/config"
)

var scheme = runtime.NewScheme()

func init() {
	utilruntime.Must(clientgoscheme.AddToScheme(scheme))
	utilruntime.Must(sqsv1alpha1.AddToScheme(scheme))
}

func main() {
	var metricsAddr string
	var enableLeaderElection bool
	var probeAddr string

	flag.StringVar(&metricsAddr, "metrics-bind-address", ":8080", "metrics endpoint address")
	flag.StringVar(&probeAddr, "health-probe-bind-address", ":8081", "health probe endpoint address")
	flag.BoolVar(&enableLeaderElection, "leader-elect", false, "enable leader election")

	opts := zap.Options{Development: true}
	opts.BindFlags(flag.CommandLine)
	flag.Parse()

	ctrl.SetLogger(zap.New(zap.UseFlagOptions(&opts)))
	log := ctrl.Log.WithName("sqs-operator")

	cfg, err := config.Load()
	if err != nil {
		log.Error(err, "load config")
		os.Exit(1)
	}

	mgr, err := ctrl.NewManager(ctrl.GetConfigOrDie(), ctrl.Options{
		Scheme:                 scheme,
		MetricsBindAddress:     metricsAddr,
		Port:                   9443,
		HealthProbeBindAddress: probeAddr,
		LeaderElection:         enableLeaderElection,
		LeaderElectionID:       "sqs-operator.kube5s.ru",
	})
	if err != nil {
		log.Error(err, "unable to start manager")
		os.Exit(1)
	}

	if err = (&controllers.QueueServiceReconciler{
		Client:          mgr.GetClient(),
		Scheme:          mgr.GetScheme(),
		SQSExternalHost: cfg.SQSExternalHost,
		ElasticMQImage:  cfg.ElasticMQImage,
	}).SetupWithManager(mgr); err != nil {
		log.Error(err, "unable to create controller", "controller", "QueueService")
		os.Exit(1)
	}

	if err := mgr.AddHealthzCheck("healthz", healthz.Ping); err != nil {
		log.Error(err, "unable to set up health check")
		os.Exit(1)
	}
	if err := mgr.AddReadyzCheck("readyz", healthz.Ping); err != nil {
		log.Error(err, "unable to set up ready check")
		os.Exit(1)
	}

	log.Info("starting SQS operator", "externalHost", cfg.SQSExternalHost)
	if err := mgr.Start(ctrl.SetupSignalHandler()); err != nil {
		log.Error(err, "problem running manager")
		os.Exit(1)
	}
}