package org.bukkit.command.defaults;

import com.google.common.collect.ImmutableList;
import org.apache.commons.lang.Validate;
import org.bukkit.Bukkit;
import org.bukkit.ChatColor;
import org.bukkit.command.Command;
import org.bukkit.command.CommandSender;
import org.bukkit.util.StringUtil;

import java.util.ArrayList;
import java.util.List;

public class PardonIpCommand extends VanillaCommand
{
	public PardonIpCommand()
	{
		super("pardon-ip");
		this.description = "Allows the specified IP address to use this server";
		this.usageMessage = "/pardon-ip <address>";
		this.setPermission("bukkit.command.unban.ip");
	}

	@Override
	public boolean execute(CommandSender sender, String currentAlias, String[] args)
	{
		if(!testPermission(sender)) return true;
		if(args.length != 1)
		{
			sender.sendMessage(ChatColor.RED + "Usage: " + usageMessage);
			return false;
		}

		if(BanIpCommand.ipValidity.matcher(args[0]).matches())
		{
			Bukkit.unbanIP(args[0]);
			Command.broadcastCommandMessage(sender, "Pardoned ip " + args[0]);
		}
		else
		{
			sender.sendMessage("Invalid ip");
		}

		return true;
	}

	@Override
	public List<String> tabComplete(CommandSender sender, String alias, String[] args) throws IllegalArgumentException
	{
		Validate.notNull(sender, "Sender cannot be null");
		Validate.notNull(args, "Arguments cannot be null");
		Validate.notNull(alias, "Alias cannot be null");

		if(args.length == 1)
		{
			return StringUtil.copyPartialMatches(args[0], Bukkit.getIPBans(), new ArrayList<String>());
		}
		return ImmutableList.of();
	}
}