Perms.java

package tterrag.tppibot.commands;

import java.util.Arrays;
import java.util.List;
import java.util.Optional;

import org.pircbotx.Channel;
import org.pircbotx.PircBotX;
import org.pircbotx.User;

import tterrag.tppibot.registry.PermRegistry;
import tterrag.tppibot.util.IRCUtils;

public class Perms extends Command {

    public Perms() {
        super("perms", PermLevel.OP);
    }

    @Override
    public void onCommand(PircBotX bot, User user, Channel channel, List<String> lines, String... args) {
        if (args.length < 1) {
            lines.add("This command requires at least 1 args, either [nick] or [nick] [perm level (controller, op, or trusted)]");
            return;
        }

        String nick = args[0];
        Optional<User> toChange = IRCUtils.getUserByNick(channel, nick);

        if (!toChange.isPresent()) {
            lines.add("\"" + nick + "\" is not a valid user in this channel!");
            return;
        }

        if (args.length == 1) {
            lines.add("Perm level for " + nick + ": " + PermRegistry.INSTANCE.getPermLevelForUser(channel, toChange.get()));
            return;
        }

        PermLevel level = Arrays.stream(PermLevel.getSettablePermLevels()).filter(p -> p.toString().equalsIgnoreCase(args[1])).findFirst().get();

        if (level == null) {
            lines.add("\"" + args[1] + "\" is not a valid perm level. Valid levels include: " + Arrays.deepToString(PermLevel.getSettablePermLevels()));
            return;
        }

        if (level == PermLevel.CONTROLLER && PermRegistry.INSTANCE.getPermLevelForUser(channel, user) != PermLevel.CONTROLLER) {
            lines.add("You must be a controller to give someone controller permissions!");
            return;
        }

        if (PermRegistry.INSTANCE.registerUser(channel, toChange.get(), level)) {
            lines.add("Successfully set " + nick + " to the " + level.toString() + " level.");
            IRCUtils.modeSensitiveEnqueue(bot, toChange.get(), channel, toChange.get().getNick() + ", "
                    + (level == PermLevel.CONTROLLER ? "you are now a controller for TPPIBot!" : "you are now of the level " + level.toString() + " in channel " + channel.getName() + "!"));
        } else {
            lines.add(args[0] + " is not logged in!");
        }
    }

    @Override
    public String getDesc() {
        return "Edits the permissions level of the specified user, valid entries are: " + Arrays.deepToString(PermLevel.getSettablePermLevels()) + "  (not case sensitive)";
    }

    @Override
    public boolean executeWithoutChannel() {
        return false;
    }
}