package net.minecraft.command.server;

import java.util.List;

import net.minecraft.command.CommandBase;
import net.minecraft.command.CommandException;
import net.minecraft.command.ICommandSender;
import net.minecraft.command.WrongUsageException;
import net.minecraft.server.MinecraftServer;
import net.minecraft.util.BlockPos;
import net.minecraft.util.ChatComponentTranslation;
import net.minecraft.util.IChatComponent;

public class CommandBroadcast extends CommandBase
{

    /**
     * Gets the name of the command
     */
    @Override
	public String getCommandName()
    {
        return "say";
    }

    /**
     * Return the required permission level for this command.
     */
    @Override
	public int getRequiredPermissionLevel()
    {
        return 1;
    }

    /**
     * Gets the usage string for the command.
     *  
     * @param sender The {@link ICommandSender} who is requesting usage details.
     */
    @Override
	public String getCommandUsage(ICommandSender sender)
    {
        return "commands.say.usage";
    }

    /**
     * Callback when the command is invoked
     *  
     * @param sender The {@link ICommandSender sender} who executed the command
     * @param args The arguments that were passed with the command
     */
    @Override
	public void processCommand(ICommandSender sender, String[] args) throws CommandException
    {
        if (args.length > 0 && args[0].length() > 0)
        {
            IChatComponent var3 = getChatComponentFromNthArg(sender, args, 0, true);
            MinecraftServer.getServer().getConfigurationManager().sendChatMsg(new ChatComponentTranslation("chat.type.announcement", new Object[] {sender.getDisplayName(), var3}));
        }
        else
        {
            throw new WrongUsageException("commands.say.usage", new Object[0]);
        }
    }

    /**
     * Return a list of options when the user types TAB
     *  
     * @param sender The {@link ICommandSender sender} who pressed TAB
     * @param args The arguments that were present when TAB was pressed
     * @param pos The block that the player is targeting, <b>May be {@code null}</b>
     */
    @Override
	public List addTabCompletionOptions(ICommandSender sender, String[] args, BlockPos pos)
    {
        return args.length >= 1 ? getListOfStringsMatchingLastWord(args, MinecraftServer.getServer().getAllUsernames()) : null;
    }
}
