package controller

import (
	zitadelv1alpha1 "gitea.corredorconect.com/software-engineering/zitadel-resources-operator/api/v1alpha1"
	"gitea.corredorconect.com/software-engineering/zitadel-resources-operator/pkg/controller/core"

	"context"
	"fmt"

	clientv2 "github.com/zitadel/zitadel-go/v3/pkg/client"
	"sigs.k8s.io/controller-runtime/pkg/client"
	ctrlClient "sigs.k8s.io/controller-runtime/pkg/client"
	"sigs.k8s.io/controller-runtime/pkg/controller/controllerutil"
)

const (
	ConnectionFinalizerName = "connection.zitadel.github.com/connection"
)

type wrappedConnectionFinalizer struct {
	client.Client
	Connection  *zitadelv1alpha1.Connection
	refresolver *zitadelv1alpha1.RefResolver
}

func newWrappedConnectionFinalizer(client client.Client, Connection *zitadelv1alpha1.Connection, refresolver *zitadelv1alpha1.RefResolver) core.WrappedCoreFinalizer {
	return &wrappedConnectionFinalizer{
		Client:      client,
		Connection:  Connection,
		refresolver: refresolver,
	}
}

func (wf *wrappedConnectionFinalizer) AddFinalizer(ctx context.Context) error {
	if wf.ContainsFinalizer() {
		return nil
	}
	return wf.patch(ctx, wf.Connection, func(Connection *zitadelv1alpha1.Connection) {
		controllerutil.AddFinalizer(Connection, ConnectionFinalizerName)
	})
}

func (wf *wrappedConnectionFinalizer) RemoveFinalizer(ctx context.Context) error {
	if !wf.ContainsFinalizer() {
		return nil
	}
	return wf.patch(ctx, wf.Connection, func(Connection *zitadelv1alpha1.Connection) {
		controllerutil.RemoveFinalizer(wf.Connection, ConnectionFinalizerName)
	})
}

func (wr *wrappedConnectionFinalizer) ContainsFinalizer() bool {
	return controllerutil.ContainsFinalizer(wr.Connection, ConnectionFinalizerName)
}

func (wf *wrappedConnectionFinalizer) Reconcile(ctx context.Context, ztdClient *clientv2.Client) error {
	return nil
}

func (wr *wrappedConnectionFinalizer) patch(ctx context.Context, Connection *zitadelv1alpha1.Connection,
	patchFn func(*zitadelv1alpha1.Connection)) error {
	patch := ctrlClient.MergeFrom(Connection.DeepCopy())
	patchFn(Connection)

	if err := wr.Client.Patch(ctx, Connection, patch); err != nil {
		return fmt.Errorf("error patching Connection finalizer: %v", err)
	}
	return nil
}