package de.thedevstack.conversationsplus.ui.listeners;

import de.thedevstack.conversationsplus.utils.UiUpdateHelper;

import eu.siacs.conversations.entities.Message;
import eu.siacs.conversations.entities.Transferable;
import eu.siacs.conversations.entities.TransferablePlaceholder;
import eu.siacs.conversations.persistance.FileBackend;

/**
 * Callback for the user decision if a file should be deleted or not.
 */
public class DeleteFileCallback implements SimpleUserDecisionCallback {
    private final Message message;

    public DeleteFileCallback(Message message) {
        this.message = message;
    }

    /**
     * Deletes the file and updates the UI.
     */
    private void deleteFile() {
        if (FileBackend.deleteFile(this.message)) {
            this.message.setTransferable(new TransferablePlaceholder(Transferable.STATUS_DELETED));
            UiUpdateHelper.updateConversationUi();
        }
    }

    /**
     * Deletes the file.
     */
    @Override
    public void onYes() {
        this.deleteFile();
    }

    /**
     * Nothing to do in this case.
     */
    @Override
    public void onNo() {
        // Nothing to do
    }
}