package controllers

import (
	volumesnapshotv1 "github.com/kubernetes-csi/external-snapshotter/client/v6/apis/volumesnapshot/v1"
	corev1 "k8s.io/api/core/v1"
	"k8s.io/apimachinery/pkg/runtime"
	utilruntime "k8s.io/apimachinery/pkg/util/runtime"
	clientgoscheme "k8s.io/client-go/kubernetes/scheme"
	"os"
	ctrl "sigs.k8s.io/controller-runtime"
	"sigs.k8s.io/controller-runtime/pkg/healthz"
	"sigs.k8s.io/controller-runtime/pkg/log/zap"

	formolv1alpha1 "github.com/desmo999r/formol/api/v1alpha1"
)

var (
	scheme   = runtime.NewScheme()
	setupLog = ctrl.Log.WithName("StartServer")
)

func init() {
	utilruntime.Must(clientgoscheme.AddToScheme(scheme))
	utilruntime.Must(formolv1alpha1.AddToScheme(scheme))
	utilruntime.Must(volumesnapshotv1.AddToScheme(scheme))
	utilruntime.Must(corev1.AddToScheme(scheme))
}

func StartServer() {
	opts := zap.Options{
		Development: true,
	}
	ctrl.SetLogger(zap.New(zap.UseFlagOptions(&opts)))

	mgr, err := ctrl.NewManager(ctrl.GetConfigOrDie(), ctrl.Options{
		MetricsBindAddress: "0", // disabling prometheus metrics
		Scheme:             scheme,
		Namespace:          os.Getenv("POD_NAMESPACE"),
	})
	if err != nil {
		setupLog.Error(err, "unable to create manager")
		os.Exit(1)
	}
	if err = (&RestoreSessionReconciler{
		Session: Session{
			Client: mgr.GetClient(),
			Scheme: mgr.GetScheme(),
		},
	}).SetupWithManager(mgr); err != nil {
		setupLog.Error(err, "unable to create controller", "controller", "RestoreSession")
		os.Exit(1)
	}

	if err = (&BackupSessionReconciler{
		Session: Session{
			Client: mgr.GetClient(),
			Scheme: mgr.GetScheme(),
		},
	}).SetupWithManager(mgr); err != nil {
		setupLog.Error(err, "unable to create controller", "controller", "BackupSession")
		os.Exit(1)
	}

	if err := mgr.AddHealthzCheck("healthz", healthz.Ping); err != nil {
		setupLog.Error(err, "unable to set up health check")
		os.Exit(1)
	}
	if err := mgr.AddReadyzCheck("readyz", healthz.Ping); err != nil {
		setupLog.Error(err, "unable to set up ready check")
		os.Exit(1)
	}
	setupLog.Info("starting manager")
	if err := mgr.Start(ctrl.SetupSignalHandler()); err != nil {
		setupLog.Error(err, "problem starting manager")
		os.Exit(1)
	}
}