package org.bukkit.craftbukkit.help;

import org.bukkit.ChatColor;
import org.bukkit.command.Command;
import org.bukkit.command.CommandSender;
import org.bukkit.command.ConsoleCommandSender;
import org.bukkit.command.MultipleCommandAlias;
import org.bukkit.help.HelpTopic;

/**
 * This is a help topic implementation for {@link MultipleCommandAlias} commands.
 */
public class MultipleCommandAliasHelpTopic extends HelpTopic
{

	private final MultipleCommandAlias alias;

	public MultipleCommandAliasHelpTopic(MultipleCommandAlias alias)
	{
		this.alias = alias;

		name = "/" + alias.getLabel();

		// Build short text
		StringBuilder sb = new StringBuilder();
		for(int i = 0; i < alias.getCommands().length; i++)
		{
			if(i != 0)
			{
				sb.append(ChatColor.GOLD + " > " + ChatColor.WHITE);
			}
			sb.append("/");
			sb.append(alias.getCommands()[i].getLabel());
		}
		shortText = sb.toString();

		// Build full text
		fullText = ChatColor.GOLD + "Alias for: " + ChatColor.WHITE + getShortText();
	}

	public boolean canSee(CommandSender sender)
	{
		if(amendedPermission == null)
		{
			if(sender instanceof ConsoleCommandSender)
			{
				return true;
			}

			for(Command command : alias.getCommands())
			{
				if(!command.testPermissionSilent(sender))
				{
					return false;
				}
			}

			return true;
		}
		else
		{
			return sender.hasPermission(amendedPermission);
		}
	}
}