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"
	"github.com/zitadel/zitadel-go/v3/pkg/client/zitadel/org/v2"
	"sigs.k8s.io/controller-runtime/pkg/client"
	ctrlClient "sigs.k8s.io/controller-runtime/pkg/client"
	"sigs.k8s.io/controller-runtime/pkg/controller/controllerutil"
)

const (
	organizationFinalizerName = "organization.zitadel.github.com/organization"
)

type wrappedOrganizationFinalizer struct {
	client.Client
	organization *zitadelv1alpha1.Organization
}

func newWrappedOrganizationFinalizer(client client.Client, organization *zitadelv1alpha1.Organization) core.WrappedCoreFinalizer {
	return &wrappedOrganizationFinalizer{
		Client:       client,
		organization: organization,
	}
}

func (wf *wrappedOrganizationFinalizer) AddFinalizer(ctx context.Context) error {
	if wf.ContainsFinalizer() {
		return nil
	}
	return wf.patch(ctx, wf.organization, func(organization *zitadelv1alpha1.Organization) {
		controllerutil.AddFinalizer(organization, organizationFinalizerName)
	})
}

func (wf *wrappedOrganizationFinalizer) RemoveFinalizer(ctx context.Context) error {
	if !wf.ContainsFinalizer() {
		return nil
	}
	return wf.patch(ctx, wf.organization, func(organization *zitadelv1alpha1.Organization) {
		controllerutil.RemoveFinalizer(wf.organization, organizationFinalizerName)
	})
}

func (wr *wrappedOrganizationFinalizer) ContainsFinalizer() bool {
	return controllerutil.ContainsFinalizer(wr.organization, organizationFinalizerName)
}

func (wf *wrappedOrganizationFinalizer) Reconcile(ctx context.Context, ztdClient *clientv2.Client) error {
	if wf.organization.Status.OrganizationId != nil {
		if _, err := ztdClient.OrganizationServiceV2().DeleteOrganization(ctx,
			&org.DeleteOrganizationRequest{
				OrganizationId: *wf.organization.Status.OrganizationId,
			},
		); err != nil {
			return fmt.Errorf("Error deleting organization: %v", err)
		}
	}
	return nil
}

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

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