HelpCommand

package de.cryptonicdev.cryptonic.commands.impl;

import java.util.Iterator;

import de.cryptonicdev.cryptonic.commands.Command;
import de.cryptonicdev.cryptonic.main.Cryptonic;
import de.cryptonicdev.cryptonic.utils.CryptoUtils;
import net.minecraft.init.Blocks;
import net.minecraft.item.ItemStack;
import net.minecraft.util.ChatComponentText;
import net.minecraft.util.ChatStyle;
import net.minecraft.util.EnumChatFormatting;

public class HelpCmd extends Command {

	private static String[] syntax = { "[<Seite>]", "[<Befehl>]" };

	public HelpCmd() {
		super("Help", "Zeigt die Befehlsliste oder die Hilfe für einen Befehl an.", syntax);
	}

	@Override
	public void onCommand(String input, String[] args) throws Exception {
		if (args.length == 0) {
			onCommand("#help 1", new String[] { "1" });
			return;
		}

		int countCommands = getCommandManager().getCommands().size();

		int pages = (int) Math.ceil(countCommands / 8D);
		if (CryptoUtils.isInteger(args[0])) {
			int page = Integer.valueOf(args[0]);
			if (page > pages || page < 1)
				getChat().syntaxError("§cUngültige Seite: " + page);
			getChat().sendMessage("§2Verfügbare Befehle: " + countCommands);
			Iterator<Command> itr = getCommandManager().getCommands().iterator();
			for (int i = 0; itr.hasNext(); i++) {
				Command cmd = itr.next();
				if (i >= (page - 1) * 8 && i < (page - 1) * 8 + 8)
					getChat().sendMessage("§b#" + cmd.getCommand());
			}
			getChat().sendMessage("§2Befehlsliste (Seite " + page + "/" + pages + "):");
		} else {
			Command cmd = getCommandManager().getCommandByName(args[0]);
			if (cmd != null) {
				getChat().sendMessage("§3Verfügbare Hilfe für #" + args[0] + ":");
				getChat().component(new ChatComponentText(cmd.getDescription())
						.setChatStyle(new ChatStyle().setColor(EnumChatFormatting.GREEN)));
				for (String syntax : cmd.getSyntax()) {
					getChat().component(new ChatComponentText("§bSyntax: ").appendSibling(new ChatComponentText(syntax)
							.setChatStyle(new ChatStyle().setColor(EnumChatFormatting.LIGHT_PURPLE))));
				}
			} else
				getChat().sendMessage("§cDer Befehl \"" + args[0] + "\" konnte nicht gefunden werden.");
		}
	}

}