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PlotSquared, a land and world management plugin for Minecraft.
There is a newer version: 6.11.2
/*
 *       _____  _       _    _____                                _
 *      |  __ \| |     | |  / ____|                              | |
 *      | |__) | | ___ | |_| (___   __ _ _   _  __ _ _ __ ___  __| |
 *      |  ___/| |/ _ \| __|\___ \ / _` | | | |/ _` | '__/ _ \/ _` |
 *      | |    | | (_) | |_ ____) | (_| | |_| | (_| | | |  __/ (_| |
 *      |_|    |_|\___/ \__|_____/ \__, |\__,_|\__,_|_|  \___|\__,_|
 *                                    | |
 *                                    |_|
 *            PlotSquared plot management system for Minecraft
 *               Copyright (C) 2014 - 2022 IntellectualSites
 *
 *     This program is free software: you can redistribute it and/or modify
 *     it under the terms of the GNU General Public License as published by
 *     the Free Software Foundation, either version 3 of the License, or
 *     (at your option) any later version.
 *
 *     This program is distributed in the hope that it will be useful,
 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *     GNU General Public License for more details.
 *
 *     You should have received a copy of the GNU General Public License
 *     along with this program.  If not, see .
 */
package com.plotsquared.core.command;

import com.google.inject.Inject;
import com.plotsquared.core.PlotSquared;
import com.plotsquared.core.configuration.caption.StaticCaption;
import com.plotsquared.core.configuration.caption.TranslatableCaption;
import com.plotsquared.core.generator.GeneratorWrapper;
import com.plotsquared.core.player.MetaDataAccess;
import com.plotsquared.core.player.PlayerMetaDataKeys;
import com.plotsquared.core.player.PlotPlayer;
import com.plotsquared.core.setup.SetupProcess;
import com.plotsquared.core.setup.SetupStep;
import com.plotsquared.core.util.SetupUtils;
import net.kyori.adventure.text.minimessage.Template;
import org.checkerframework.checker.nullness.qual.NonNull;

import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
import java.util.Map.Entry;

@CommandDeclaration(command = "setup",
        permission = "plots.admin.command.setup",
        usage = "/plot setup",
        aliases = {"create"},
        category = CommandCategory.ADMINISTRATION)
public class Setup extends SubCommand {

    private final SetupUtils setupUtils;

    @Inject
    public Setup(final @NonNull SetupUtils setupUtils) {
        this.setupUtils = setupUtils;
    }

    public void displayGenerators(PlotPlayer player) {
        StringBuilder message = new StringBuilder();
        message.append(TranslatableCaption.of("setup.choose_generator").getComponent(player));
        for (Entry> entry : SetupUtils.generators.entrySet()) {
            if (entry.getKey().equals(PlotSquared.platform().pluginName())) {
                message.append("\n - ").append(entry.getKey()).append(
                        " (Default Generator)");
            } else if (entry.getValue().isFull()) {
                message.append("\n - ").append(entry.getKey()).append(" (Plot Generator)");
            } else {
                message.append("\n - ").append(entry.getKey()).append(" (Unknown structure)");
            }
        }
        player.sendMessage(StaticCaption.of(message.toString()));
    }

    @Override
    public boolean onCommand(PlotPlayer player, String[] args) {
        try (final MetaDataAccess metaDataAccess =
                     player.accessTemporaryMetaData(PlayerMetaDataKeys.TEMPORARY_SETUP)) {
            SetupProcess process = metaDataAccess.get().orElse(null);
            if (process == null) {
                if (args.length > 0) {
                    player.sendMessage(TranslatableCaption.of("setup.setup_not_started"));
                    player.sendMessage(
                            TranslatableCaption.of("commandconfig.command_syntax"),
                            Template.of("value", "Use /plot setup to start a setup process.")
                    );
                    return true;
                }
                process = new SetupProcess();
                metaDataAccess.set(process);
                this.setupUtils.updateGenerators(false);
                SetupStep step = process.getCurrentStep();
                step.announce(player);
                displayGenerators(player);
                return true;
            }
            if (args.length == 1) {
                if ("back".equalsIgnoreCase(args[0])) {
                    process.back();
                    process.getCurrentStep().announce(player);
                } else if ("cancel".equalsIgnoreCase(args[0])) {
                    metaDataAccess.remove();
                    player.sendMessage(TranslatableCaption.of("setup.setup_cancelled"));
                } else {
                    process.handleInput(player, args[0]);
                    if (process.getCurrentStep() != null) {
                        process.getCurrentStep().announce(player);
                    }
                }
            } else {
                process.getCurrentStep().announce(player);
            }
            return true;
        }
    }

    @Override
    public Collection tab(PlotPlayer player, String[] args, boolean space) {
        SetupProcess process;
        try (final MetaDataAccess metaDataAccess =
                     player.accessTemporaryMetaData(PlayerMetaDataKeys.TEMPORARY_SETUP)) {
            process = metaDataAccess.get().orElse(null);
        }
        if (process == null) {
            return Collections.emptyList();
        }
        // player already provided too many arguments
        if (args.length > 1 || (args.length == 1 && space)) {
            return Collections.emptyList();
        }
        SetupStep setupStep = process.getCurrentStep();
        List commands = new ArrayList<>(setupStep.createSuggestions(player, space ? "" : args[0]));
        tryAddSubCommand("back", args[0], commands);
        tryAddSubCommand("cancel", args[0], commands);
        return commands;
    }

    private void tryAddSubCommand(String subCommand, String argument, List suggestions) {
        if (!argument.isEmpty() && subCommand.startsWith(argument)) {
            suggestions.add(new Command(null, false, subCommand, "", RequiredType.NONE, null) {
            });
        }
    }

}