/*
 *  RapidMiner
 *
 *  Copyright (C) 2001-2011 by Rapid-I and the contributors
 *
 *  Complete list of developers available at our web site:
 *
 *       http://rapid-i.com
 *
 *  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.rapidminer.repository.gui;

import java.awt.Component;
import java.util.logging.Level;

import com.rapidminer.gui.flow.ExampleSetMetaDataTableModel;
import com.rapidminer.operator.ports.metadata.ExampleSetMetaData;
import com.rapidminer.operator.ports.metadata.MetaData;
import com.rapidminer.repository.BlobEntry;
import com.rapidminer.repository.Entry;
import com.rapidminer.repository.IOObjectEntry;
import com.rapidminer.repository.RepositoryException;
import com.rapidminer.tools.LogService;

/**
 * 
 * @author Simon Fischer
 * 
 */
public class ToolTipProviderHelper {

	public static String getTip(Entry o) {
		if (o instanceof IOObjectEntry) {
			IOObjectEntry e = (IOObjectEntry) o;
			StringBuilder tip = new StringBuilder();
			tip.append("<h3>").append(e.getName()).append("</h3>");
			if (!e.willBlock()) {
				try {
					MetaData metaData = e.retrieveMetaData();
					if (metaData != null) {
						tip.append("<p>");
						if (metaData instanceof ExampleSetMetaData) {
							tip.append(((ExampleSetMetaData) metaData).getShortDescription());
						} else {
							tip.append(metaData.getDescription());
						}
						tip.append("</p>");
					}
				} catch (RepositoryException e1) {
					LogService.getRoot().log(Level.WARNING, "Cannot fetch meta data for tool tip: " + e, e);
					return null;
				}
			} else {
				tip.append("<p>Meta data for this object not loaded yet.<br/><a href=\"loadMetaData?");
				tip.append(e.getLocation().toString());
				tip.append("\">Click to load.</a></p>");
			}
			return tip.toString();
		} else {
			StringBuilder tip = new StringBuilder();
			tip.append("<h3>").append((o).getName()).append("</h3><p>").append((o).getDescription()).append("</p>");
			if (o instanceof BlobEntry) {
				tip.append("<p><strong>Type:</strong> ").append(((BlobEntry) o).getMimeType()).append("</p>");
			}
			return tip.toString();
		}
	}

	public static Component getCustomComponent(Entry o) {
		if (o instanceof IOObjectEntry) {
			IOObjectEntry e = (IOObjectEntry) o;
			if (!e.willBlock()) {
				try {
					MetaData metaData = e.retrieveMetaData();
					if ((metaData != null) && (metaData instanceof ExampleSetMetaData)) {
						return ExampleSetMetaDataTableModel.makeTableForToolTip((ExampleSetMetaData) metaData);
					}
				} catch (Exception ex) {
					LogService.getRoot().log(Level.WARNING, "Error retrieving meta data for " + e.getLocation() + ": " + ex, ex);
				}
			}
		}
		return null;
	}

}