package net.sourceforge.pain.logic.event.console.command;

import net.sourceforge.pain.data.type.*;
import net.sourceforge.pain.logic.event.console.*;
import net.sourceforge.pain.logic.fn.*;
import net.sourceforge.pain.logic.fn.util.*;
import net.sourceforge.pain.util.*;

public final class Exits extends CommandHandler {

	public void processCommand() throws Exception {
		Space space = player.getLocation();
		Room lspace = (Room) space.getRole(Room.class);
		boolean exitsFound = false;
		MessageOutFn.outln(console, "Obvious exits:");
		if (lspace != null) {// ok we are NOT in space without any exits (backpacks, chests, or in someones stomach :) )
			for (int dir = Room.FIRST_DIR; dir <= Room.LAST_DIR; dir++) {
                Exit e = lspace.getExit(dir);
				if (e == null) {
					continue;
				}
				Room targetSpace = e.getTargetRoom();
				if (targetSpace == null) { // this is a bug, exits should lead somewhere
					Log.error("BUG! exit without space:"+space.getName()+" dir:"+LangUtil.directionName(dir));
					continue;
				}
				exitsFound = true;
				final String dirName = LangUtil.directionName(dir);
				MessageOutFn.outln(console, "{C "+dirName+Utils.whiteSpaceChars(5-dirName.length())+"{x - "+targetSpace.asSpace().getName());
			}
		}
		if (!exitsFound) {
            MessageOutFn.outln(console, "None.");
		}


	}

	public void showHelp() {
		MessageOutFn.outln(console, command.name + ": shows available exits");
	}

}