package model

import (
	"encoding/json"
	"io"
	"nf-repo/internal/model/types"
)

type Manifest struct {
	Blob        []byte `json:"blob"`
	ContentType string `json:"content_type"`
}

type Descriptor struct {
	MediaType    types.MediaType   `json:"mediaType"`
	Size         int64             `json:"size"`
	Digest       Hash              `json:"digest"`
	Data         []byte            `json:"data,omitempty"`
	URLs         []string          `json:"urls,omitempty"`
	Annotations  map[string]string `json:"annotations,omitempty"`
	Platform     *Platform         `json:"platform,omitempty"`
	ArtifactType string            `json:"artifactType,omitempty"`
}

type IndexManifest struct {
	SchemaVersion int64             `json:"schemaVersion"`
	MediaType     types.MediaType   `json:"mediaType,omitempty"`
	Manifests     []Descriptor      `json:"manifests"`
	Annotations   map[string]string `json:"annotations,omitempty"`
	Subject       *Descriptor       `json:"subject,omitempty"`
}

func ParseIndexManifest(r io.Reader) (*IndexManifest, error) {
	im := IndexManifest{}
	if err := json.NewDecoder(r).Decode(&im); err != nil {
		return nil, err
	}
	return &im, nil
}