/FileExtraction/Java_unseen/Wind-Development_WindSpigot/WindSpigot-API/src/main/java/org/bukkit/command/defaults/GameRuleCommand.java
package org.bukkit.command.defaults;

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

import org.apache.commons.lang.Validate;
import org.bukkit.Bukkit;
import org.bukkit.ChatColor;
import org.bukkit.World;
import org.bukkit.command.BlockCommandSender;
import org.bukkit.command.Command;
import org.bukkit.command.CommandSender;
import org.bukkit.entity.HumanEntity;
import org.bukkit.util.StringUtil;

import com.google.common.collect.ImmutableList;

@Deprecated
public class GameRuleCommand extends VanillaCommand {
	private static final List<String> GAMERULE_STATES = ImmutableList.of("true", "false");

	public GameRuleCommand() {
		super("gamerule");
		this.description = "Sets a server's game rules";
		this.usageMessage = "/gamerule <rule name> <value> OR /gamerule <rule name>";
		this.setPermission("bukkit.command.gamerule");
	}

	@Override
	public boolean execute(CommandSender sender, String currentAlias, String[] args) {
		if (!testPermission(sender))
			return true;

		if (args.length > 0) {
			String rule = args[0];
			World world = getGameWorld(sender);

			if (world.isGameRule(rule)) {
				if (args.length > 1) {
					String value = args[1];

					world.setGameRuleValue(rule, value);
					Command.broadcastCommandMessage(sender, "Game rule " + rule + " has been set to: " + value);
				} else {
					String value = world.getGameRuleValue(rule);
					sender.sendMessage(rule + " = " + value);
				}
			} else {
				sender.sendMessage(ChatColor.RED + "No game rule called " + rule + " is available");
			}

			return true;
		} else {
			sender.sendMessage(ChatColor.RED + "Usage: " + usageMessage);
			sender.sendMessage("Rules: " + this.createString(getGameWorld(sender).getGameRules(), 0, ", "));

			return true;
		}
	}

	private World getGameWorld(CommandSender sender) {
		if (sender instanceof HumanEntity) {
			World world = ((HumanEntity) sender).getWorld();
			if (world != null) {
				return world;
			}
		} else if (sender instanceof BlockCommandSender) {
			return ((BlockCommandSender) sender).getBlock().getWorld();
		}

		return Bukkit.getWorlds().get(0);
	}

	@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], Arrays.asList(getGameWorld(sender).getGameRules()),
					new ArrayList<String>());
		}

		if (args.length == 2) {
			return StringUtil.copyPartialMatches(args[1], GAMERULE_STATES,
					new ArrayList<String>(GAMERULE_STATES.size()));
		}

		return ImmutableList.of();
	}
}
