package managedos

import (
	"crypto/sha256"
	"encoding/hex"
	"encoding/json"
	"fmt"

	"github.com/rancher/fleet/pkg/apis/fleet.cattle.io/v1alpha1"
	"github.com/rancher/wrangler/pkg/gvk"
	"github.com/rancher/wrangler/pkg/name"
	"k8s.io/apimachinery/pkg/api/meta"
	"k8s.io/apimachinery/pkg/runtime"
)

func ToResources(objs []runtime.Object) (result []v1alpha1.BundleResource, err error) {
	for _, obj := range objs {
		obj = obj.DeepCopyObject()
		if err := gvk.Set(obj); err != nil {
			return nil, fmt.Errorf("failed to set gvk: %w", err)
		}

		typeMeta, err := meta.TypeAccessor(obj)
		if err != nil {
			return nil, err
		}

		meta, err := meta.Accessor(obj)
		if err != nil {
			return nil, err
		}

		data, err := json.Marshal(obj)
		if err != nil {
			return nil, err
		}

		digest := sha256.Sum256(data)
		filename := name.SafeConcatName(typeMeta.GetKind(), meta.GetNamespace(), meta.GetName(), hex.EncodeToString(digest[:])[:12]) + ".yaml"
		result = append(result, v1alpha1.BundleResource{
			Name:    filename,
			Content: string(data),
		})
	}
	return
}