/*
 * Copyright (C) 2008-2020, Juick
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package com.juick.service;

import java.io.File;
import java.io.IOException;

import com.juick.model.Attachment;
import com.juick.model.Message;
import com.juick.model.User;

public interface StorageService {
    
    void setAttachmentMetadata(String baseUrl, Message msg) throws Exception;
    /**
     * Move attached image from temp folder to image folder.
     * Create preview images in corresponding folders.
     *
     * @param tempFilename   Name of the image file in the temp folder.
     * @param outputFilename Name that will be used in the image folder.
     */
    void saveImageWithPreviews(String tempFilename, String outputFilename) throws IOException;
    /**
     * Save new avatar in all required sizes.
     *
     * @param tempFilename Name of the image file in the temp folder.
     * @param user          User hat is used to build image file names.
     */
    void saveAvatar(String tempFilename, User user) throws IOException;

    Attachment getAttachment(File imgFile) throws IOException;

    Attachment getAvatarMetadata(User user) throws IOException;

    String getBaseDirectory();

    String getTemporaryDirectory();

    String getImageDirectory();
}