package com.limegroup.gnutella.gui.actions;

import java.awt.event.ActionEvent;
import java.text.MessageFormat;

import javax.swing.AbstractAction;
import javax.swing.Action;

import com.limegroup.gnutella.MediaType;
import com.limegroup.gnutella.gui.GUIMediator;
import com.limegroup.gnutella.gui.search.SearchInformation;
import com.limegroup.gnutella.gui.search.SearchMediator;

/**
 * Provides a search action.
 * <p>
 * After the search has been sent the search panel is focused.
 */
public class SearchAction extends AbstractAction {

	private SearchInformation info;
	
	/**
	 * Constructs an action that searches a space separated list of keywords.
	 * 
	 * @throws IllegalArgumentException if the constructed search information
	 * is not valid.
	 */
	public SearchAction(String keywords) {
		this(SearchInformation.createKeywordSearch
				(keywords, null, MediaType.getAnyTypeMediaType()),
				"SEARCH_FOR_KEYWORDS_ACTION_NAME");
	}
	
	/**
	 * Constructs an action that triggers a search for the given search
	 * information.
	 * @param info
	 * @throws IllegalArgumentException if the search information is not
	 * {@link SearchMediator#validateInfo(SearchInformation) valid}
	 */
	public SearchAction(SearchInformation info) {
		this(info, "SEARCH_ACTION_NAME"); 
	}
	
	/**
	 * Constructs an action that triggers a search for the given search
	 * information.
	 * @param info
	 * @param messageKey the key that surrounds the title of the search information, e.g
	 * "Search for: {0}", {0} is replaced by the title of the search information
	 * @throws IllegalArgumentException if the search information is not
	 * {@link SearchMediator#validateInfo(SearchInformation) valid}
	 */
	public SearchAction(SearchInformation info, String messageKey){
		this.info = info;
		putValue(Action.NAME, MessageFormat.format
				(GUIMediator.getStringResource(messageKey), 
						new Object[] { info.getTitle() }));
		if (SearchMediator.validateInfo(info) != SearchMediator.QUERY_VALID) {
			throw new IllegalArgumentException("invalid search info");
		}
	}
	
	public void actionPerformed(ActionEvent e) {
		SearchMediator.triggerSearch(info);
		GUIMediator.instance().setWindow(GUIMediator.SEARCH_INDEX);
	}
}