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.CommandSender;
import org.bukkit.command.ConsoleCommandSender;
import org.bukkit.entity.Player;

import java.util.List;

public class SayCommand extends VanillaCommand
{
	public SayCommand()
	{
		super("say");
		this.description = "Broadcasts the given message as the sender";
		this.usageMessage = "/say <message ...>";
		this.setPermission("bukkit.command.say");
	}

	@Override
	public boolean execute(CommandSender sender, String currentAlias, String[] args)
	{
		if(!testPermission(sender)) return true;
		if(args.length == 0)
		{
			sender.sendMessage(ChatColor.RED + "Usage: " + usageMessage);
			return false;
		}

		StringBuilder message = new StringBuilder();
		message.append(ChatColor.LIGHT_PURPLE).append("[");
		if(sender instanceof ConsoleCommandSender)
		{
			message.append("Server");
		}
		else if(sender instanceof Player)
		{
			message.append(((Player) sender).getDisplayName());
		}
		else
		{
			message.append(sender.getName());
		}
		message.append(ChatColor.LIGHT_PURPLE).append("] ");

		if(args.length > 0)
		{
			message.append(args[0]);
			for(int i = 1; i < args.length; i++)
			{
				message.append(" ").append(args[i]);
			}
		}

		Bukkit.broadcastMessage(message.toString());
		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");

		if(args.length >= 1)
		{
			return super.tabComplete(sender, alias, args);
		}
		return ImmutableList.of();
	}
}