/**
 * Copyright (c) 2000-present Liferay, Inc. All rights reserved.
 *
 * This library is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License as published by the Free
 * Software Foundation; either version 2.1 of the License, or (at your option)
 * any later version.
 *
 * This library 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 Lesser General Public License for more
 * details.
 */

package com.liferay.blogs.web.internal.upload;

import com.liferay.blogs.exception.EntryImageNameException;
import com.liferay.blogs.exception.EntryImageSizeException;
import com.liferay.item.selector.ItemSelectorUploadResponseHandler;
import com.liferay.portal.kernel.exception.PortalException;
import com.liferay.portal.kernel.json.JSONFactoryUtil;
import com.liferay.portal.kernel.json.JSONObject;
import com.liferay.portal.kernel.repository.model.FileEntry;
import com.liferay.portal.kernel.servlet.ServletResponseConstants;
import com.liferay.portal.kernel.upload.UploadPortletRequest;
import com.liferay.portal.kernel.util.PropsKeys;
import com.liferay.portal.kernel.util.StringPool;
import com.liferay.portal.kernel.util.StringUtil;
import com.liferay.portal.util.PrefsPropsUtil;
import com.liferay.upload.UploadResponseHandler;

import javax.portlet.PortletRequest;

import org.osgi.service.component.annotations.Component;
import org.osgi.service.component.annotations.Reference;

/**
 * @author Alejandro Tardín
 */
@Component(service = ImageBlogsUploadResponseHandler.class)
public class ImageBlogsUploadResponseHandler implements UploadResponseHandler {

	@Override
	public JSONObject onFailure(
			PortletRequest portletRequest, PortalException pe)
		throws PortalException {

		JSONObject jsonObject = _itemSelectorUploadResponseHandler.onFailure(
			portletRequest, pe);

		if (pe instanceof EntryImageNameException ||
			pe instanceof EntryImageSizeException) {

			String errorMessage = StringPool.BLANK;
			int errorType = 0;

			if (pe instanceof EntryImageNameException) {
				errorType =
					ServletResponseConstants.SC_FILE_EXTENSION_EXCEPTION;

				String[] imageExtensions = PrefsPropsUtil.getStringArray(
					PropsKeys.BLOGS_IMAGE_EXTENSIONS, StringPool.COMMA);

				errorMessage = StringUtil.merge(imageExtensions);
			}
			else if (pe instanceof EntryImageSizeException) {
				errorType = ServletResponseConstants.SC_FILE_SIZE_EXCEPTION;
			}

			JSONObject errorJSONObject = JSONFactoryUtil.createJSONObject();

			errorJSONObject.put("errorType", errorType);
			errorJSONObject.put("message", errorMessage);

			jsonObject.put("error", errorJSONObject);
		}

		return jsonObject;
	}

	@Override
	public JSONObject onSuccess(
			UploadPortletRequest uploadPortletRequest, FileEntry fileEntry)
		throws PortalException {

		return _itemSelectorUploadResponseHandler.onSuccess(
			uploadPortletRequest, fileEntry);
	}

	@Reference
	private ItemSelectorUploadResponseHandler
		_itemSelectorUploadResponseHandler;

}