// PushImage initiates a push operation on the repository named localName.
func (daemon *Daemon) PushImage(ref reference.Named, metaHeaders map[string][]string, authConfig *types.AuthConfig, outStream io.Writer) error {
	// Include a buffer so that slow client connections don't affect
	// transfer performance.
	progressChan := make(chan progress.Progress, 100)

	writesDone := make(chan struct{})

	ctx, cancelFunc := context.WithCancel(context.Background())

	go func() {
		writeDistributionProgress(cancelFunc, outStream, progressChan)
		close(writesDone)
	}()

	imagePushConfig := &distribution.ImagePushConfig{
		MetaHeaders:     metaHeaders,
		AuthConfig:      authConfig,
		ProgressOutput:  progress.ChanOutput(progressChan),
		RegistryService: daemon.RegistryService,
		EventsService:   daemon.EventsService,
		MetadataStore:   daemon.distributionMetadataStore,
		LayerStore:      daemon.layerStore,
		ImageStore:      daemon.imageStore,
		TagStore:        daemon.tagStore,
		TrustKey:        daemon.trustKey,
		UploadManager:   daemon.uploadManager,
	}

	err := distribution.Push(ctx, ref, imagePushConfig)
	close(progressChan)
	<-writesDone
	return err
}

// PushImage initiates a push operation on the repository named localName.
func (daemon *Daemon) PushImage(ctx context.Context, image, tag string, metaHeaders map[string][]string, authConfig *types.AuthConfig, outStream io.Writer) error {
	ref, err := reference.ParseNamed(image)
	if err != nil {
		return err
	}
	if tag != "" {
		// Push by digest is not supported, so only tags are supported.
		ref, err = reference.WithTag(ref, tag)
		if err != nil {
			return err
		}
	}

	// Include a buffer so that slow client connections don't affect
	// transfer performance.
	progressChan := make(chan progress.Progress, 100)

	writesDone := make(chan struct{})

	ctx, cancelFunc := context.WithCancel(ctx)

	go func() {
		writeDistributionProgress(cancelFunc, outStream, progressChan)
		close(writesDone)
	}()

	imagePushConfig := &distribution.ImagePushConfig{
		Config: distribution.Config{
			MetaHeaders:      metaHeaders,
			AuthConfig:       authConfig,
			ProgressOutput:   progress.ChanOutput(progressChan),
			RegistryService:  daemon.RegistryService,
			ImageEventLogger: daemon.LogImageEvent,
			MetadataStore:    daemon.distributionMetadataStore,
			ImageStore:       distribution.NewImageConfigStoreFromStore(daemon.imageStore),
			ReferenceStore:   daemon.referenceStore,
		},
		ConfigMediaType: schema2.MediaTypeImageConfig,
		LayerStore:      distribution.NewLayerProviderFromStore(daemon.layerStore),
		TrustKey:        daemon.trustKey,
		UploadManager:   daemon.uploadManager,
	}

	err = distribution.Push(ctx, ref, imagePushConfig)
	close(progressChan)
	<-writesDone
	return err
}

// PushImage initiates a push operation on the repository named localName.
func (daemon *Daemon) PushImage(ref reference.Named, metaHeaders map[string][]string, authConfig *cliconfig.AuthConfig, outStream io.Writer) error {
	imagePushConfig := &distribution.ImagePushConfig{
		MetaHeaders:     metaHeaders,
		AuthConfig:      authConfig,
		OutStream:       outStream,
		RegistryService: daemon.RegistryService,
		EventsService:   daemon.EventsService,
		MetadataStore:   daemon.distributionMetadataStore,
		LayerStore:      daemon.layerStore,
		ImageStore:      daemon.imageStore,
		TagStore:        daemon.tagStore,
		TrustKey:        daemon.trustKey,
	}

	return distribution.Push(ref, imagePushConfig)
}

// Push pushes a plugin to the store.
func (pm *Manager) Push(ctx context.Context, name string, metaHeader http.Header, authConfig *types.AuthConfig, outStream io.Writer) error {
	p, err := pm.config.Store.GetV2Plugin(name)
	if err != nil {
		return err
	}

	ref, err := reference.ParseNamed(p.Name())
	if err != nil {
		return errors.Wrapf(err, "plugin has invalid name %v for push", p.Name())
	}

	var po progress.Output
	if outStream != nil {
		// Include a buffer so that slow client connections don't affect
		// transfer performance.
		progressChan := make(chan progress.Progress, 100)

		writesDone := make(chan struct{})

		defer func() {
			close(progressChan)
			<-writesDone
		}()

		var cancelFunc context.CancelFunc
		ctx, cancelFunc = context.WithCancel(ctx)

		go func() {
			progressutils.WriteDistributionProgress(cancelFunc, outStream, progressChan)
			close(writesDone)
		}()

		po = progress.ChanOutput(progressChan)
	} else {
		po = progress.DiscardOutput()
	}

	// TODO: replace these with manager
	is := &pluginConfigStore{
		pm:     pm,
		plugin: p,
	}
	ls := &pluginLayerProvider{
		pm:     pm,
		plugin: p,
	}
	rs := &pluginReference{
		name:     ref,
		pluginID: p.Config,
	}

	uploadManager := xfer.NewLayerUploadManager(3)

	imagePushConfig := &distribution.ImagePushConfig{
		Config: distribution.Config{
			MetaHeaders:      metaHeader,
			AuthConfig:       authConfig,
			ProgressOutput:   po,
			RegistryService:  pm.config.RegistryService,
			ReferenceStore:   rs,
			ImageEventLogger: pm.config.LogPluginEvent,
			ImageStore:       is,
			RequireSchema2:   true,
		},
		ConfigMediaType: schema2.MediaTypePluginConfig,
		LayerStore:      ls,
		UploadManager:   uploadManager,
	}

	return distribution.Push(ctx, ref, imagePushConfig)
}