package ingress

import (
	"fmt"

	"github.com/ankitrgadiya/operatorlib/pkg/meta"
	"github.com/imdario/mergo"
	"sigs.k8s.io/controller-runtime/pkg/controller/controllerutil"

	"github.com/pkg/errors"
	networkingv1beta1 "k8s.io/api/networking/v1beta1"
	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
)

func Generate(m Mutate) (out networkingv1beta1.Ingress, err error) {

	om, err := meta.MutateObjectMeta(m)

	tls, err := m.GenIngressTLS()
	if err != nil {
		return out, errors.Wrap(err, "failed to generate ingress tls spec")
	}

	rules, err := m.GenIngressRules()
	if err != nil {
		return out, errors.Wrap(err, "failed to generate ingress rules spec")
	}

	out.ObjectMeta = *om
	out.Spec = networkingv1beta1.IngressSpec{
		//	Backend: backend,
		TLS:   tls,
		Rules: rules,
	}

	return out, err
}

func (c Conf) Mutate() controllerutil.MutateFn {

	return func() error {
		out, err := Generate(c)
		fmt.Println(out)
		if err != nil {
			return err
		}
		mergo.Merge(c.Obj, out)

		return nil
	}
}

func (c Conf) MakeObject() *networkingv1beta1.Ingress {
	obj := &networkingv1beta1.Ingress{
		ObjectMeta: metav1.ObjectMeta{
			Name:      c.ObjectName(),
			Namespace: c.ObjectNamespace(),
		},
	}

	return obj
}