DMDirc-Client/src/main/java/com/dmdirc/commandparser/commands/channel/KickReason.java

/*
 * Copyright (c) 2006-2015 DMDirc Developers
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

package com.dmdirc.commandparser.commands.channel;

import com.dmdirc.commandparser.BaseCommandInfo;
import com.dmdirc.commandparser.CommandArguments;
import com.dmdirc.commandparser.CommandInfo;
import com.dmdirc.commandparser.CommandType;
import com.dmdirc.commandparser.commands.BaseCommand;
import com.dmdirc.commandparser.commands.CommandOptions;
import com.dmdirc.commandparser.commands.IntelligentCommand;
import com.dmdirc.commandparser.commands.context.ChannelCommandContext;
import com.dmdirc.commandparser.commands.context.CommandContext;
import com.dmdirc.interfaces.CommandController;
import com.dmdirc.interfaces.GroupChat;
import com.dmdirc.interfaces.GroupChatUser;
import com.dmdirc.interfaces.WindowModel;
import com.dmdirc.ui.input.AdditionalTabTargets;
import com.dmdirc.ui.input.TabCompletionType;

import javax.annotation.Nonnull;
import javax.inject.Inject;
import java.util.Optional;

/**
 * The kick command kicks a specified user from the channel. This version allows the user to specify
 * a reason.
 */
@CommandOptions(allowOffline = false)
public class KickReason extends BaseCommand implements IntelligentCommand {

    /** A command info object for this command. */
    public static final CommandInfo INFO = new BaseCommandInfo("kick",
            "kick <user> [reason] - kicks the specified user from the channel",
            CommandType.TYPE_CHANNEL);

    /**
     * Creates a new instance of {@link KickReason} using the given command controller.
     *
     * @param controller The controller to use for command information.
     */
    @Inject
    public KickReason(final CommandController controller) {
        super(controller);
    }

    @Override
    public void execute(@Nonnull final WindowModel origin,
            final CommandArguments args, final CommandContext context) {
        final GroupChat groupChat = ((ChannelCommandContext) context).getGroupChat();
        if (args.getArguments().length == 0) {
            showUsage(origin, args.isSilent(), "kick", "<user> [reason]");
            return;
        }

        final Optional<GroupChatUser> victim = groupChat.getUser(
                groupChat.getConnection().get().getUser(args.getArguments()[0]));

        if (victim.isPresent()) {
            groupChat.kick(victim.get(), args.getArguments().length > 1
                    ? Optional.of(args.getArgumentsAsString(1))
                    : Optional.empty());
        } else {
            showError(origin, args.isSilent(), "User not found: " + args.getArguments()[0]);
        }
    }

    @Override
    public AdditionalTabTargets getSuggestions(final int arg,
            final IntelligentCommandContext context) {
        final AdditionalTabTargets res = new AdditionalTabTargets();

        if (arg == 0) {
            res.excludeAll();
            res.include(TabCompletionType.CHANNEL_NICK);
        }

        return res;
    }

}