001/*
002 * PlotSquared, a land and world management plugin for Minecraft.
003 * Copyright (C) IntellectualSites <https://intellectualsites.com>
004 * Copyright (C) IntellectualSites team and contributors
005 *
006 * This program is free software: you can redistribute it and/or modify
007 * it under the terms of the GNU General Public License as published by
008 * the Free Software Foundation, either version 3 of the License, or
009 * (at your option) any later version.
010 *
011 * This program is distributed in the hope that it will be useful,
012 * but WITHOUT ANY WARRANTY; without even the implied warranty of
013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
014 * GNU General Public License for more details.
015 *
016 * You should have received a copy of the GNU General Public License
017 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
018 */
019package com.plotsquared.core.command;
020
021import com.google.inject.Inject;
022import com.plotsquared.core.PlotSquared;
023import com.plotsquared.core.configuration.Settings;
024import com.plotsquared.core.configuration.caption.TranslatableCaption;
025import com.plotsquared.core.events.PlotChangeOwnerEvent;
026import com.plotsquared.core.events.PlotUnlinkEvent;
027import com.plotsquared.core.events.Result;
028import com.plotsquared.core.permissions.Permission;
029import com.plotsquared.core.player.MetaDataAccess;
030import com.plotsquared.core.player.PlayerMetaDataKeys;
031import com.plotsquared.core.player.PlotPlayer;
032import com.plotsquared.core.plot.Plot;
033import com.plotsquared.core.util.EventDispatcher;
034import com.plotsquared.core.util.PlayerManager;
035import com.plotsquared.core.util.TabCompletions;
036import com.plotsquared.core.util.task.TaskManager;
037import net.kyori.adventure.text.minimessage.Template;
038import org.checkerframework.checker.nullness.qual.NonNull;
039import org.checkerframework.checker.nullness.qual.Nullable;
040
041import java.util.Collection;
042import java.util.Collections;
043import java.util.Set;
044import java.util.UUID;
045import java.util.function.Consumer;
046
047@CommandDeclaration(command = "setowner",
048        permission = "plots.admin.command.setowner",
049        usage = "/plot setowner <player>",
050        aliases = {"owner", "so", "seto"},
051        category = CommandCategory.CLAIMING,
052        requiredType = RequiredType.NONE,
053        confirmation = true)
054public class Owner extends SetCommand {
055
056    private final EventDispatcher eventDispatcher;
057
058    @Inject
059    public Owner(final @NonNull EventDispatcher eventDispatcher) {
060        this.eventDispatcher = eventDispatcher;
061    }
062
063    @Override
064    public boolean set(final PlotPlayer<?> player, final Plot plot, String value) {
065        if (value == null || value.isEmpty()) {
066            player.sendMessage(
067                    TranslatableCaption.of("commandconfig.command_syntax"),
068                    Template.of("value", "/plot setowner <owner>")
069            );
070            return false;
071        }
072        @Nullable final UUID oldOwner = plot.getOwnerAbs();
073        Set<Plot> plots = plot.getConnectedPlots();
074
075        final Consumer<UUID> uuidConsumer = uuid -> {
076            if (uuid == null && !value.equalsIgnoreCase("none") && !value.equalsIgnoreCase("null")
077                    && !value.equalsIgnoreCase("-")) {
078                player.sendMessage(
079                        TranslatableCaption.of("errors.invalid_player"),
080                        Template.of("value", value)
081                );
082                return;
083            }
084            PlotChangeOwnerEvent event = this.eventDispatcher.callOwnerChange(
085                    player,
086                    plot,
087                    plot.hasOwner() ? plot.getOwnerAbs() : null,
088                    uuid,
089                    plot.hasOwner()
090            );
091            if (event.getEventResult() == Result.DENY) {
092                player.sendMessage(
093                        TranslatableCaption.of("events.event_denied"),
094                        Template.of("value", "Owner change")
095                );
096                return;
097            }
098            uuid = event.getNewOwner();
099            boolean force = event.getEventResult() == Result.FORCE;
100            if (uuid == null) {
101                if (!force && !player.hasPermission(
102                        Permission.PERMISSION_ADMIN_COMMAND_SET_OWNER,
103                        true
104                )) {
105                    return;
106                }
107                PlotUnlinkEvent unlinkEvent = this.eventDispatcher.callUnlink(
108                        plot.getArea(),
109                        plot,
110                        false,
111                        false,
112                        PlotUnlinkEvent.REASON.NEW_OWNER
113                );
114                if (unlinkEvent.getEventResult() == Result.DENY) {
115                    player.sendMessage(
116                            TranslatableCaption.of("events.event_denied"),
117                            Template.of("value", "Unlink on owner change")
118                    );
119                    return;
120                }
121                if (plot.getPlotModificationManager().unlinkPlot(unlinkEvent.isCreateRoad(), unlinkEvent.isCreateRoad())) {
122                    eventDispatcher.callPostUnlink(plot, PlotUnlinkEvent.REASON.NEW_OWNER);
123                }
124                Set<Plot> connected = plot.getConnectedPlots();
125                for (Plot current : connected) {
126                    current.unclaim();
127                    current.getPlotModificationManager().removeSign();
128                }
129                eventDispatcher.callPostOwnerChange(player, plot, oldOwner);
130                player.sendMessage(TranslatableCaption.of("owner.set_owner"));
131                return;
132            }
133            final PlotPlayer<?> other = PlotSquared.platform().playerManager().getPlayerIfExists(uuid);
134            if (plot.isOwner(uuid)) {
135                player.sendMessage(
136                        TranslatableCaption.of("member.already_owner"),
137                        Template.of("player", PlayerManager.resolveName(uuid, false).getComponent(player))
138                );
139                return;
140            }
141            if (!force && !player.hasPermission(Permission.PERMISSION_ADMIN_COMMAND_SET_OWNER)) {
142                if (other == null) {
143                    player.sendMessage(
144                            TranslatableCaption.of("errors.invalid_player_offline"),
145                            Template.of("player", PlayerManager.resolveName(uuid).getComponent(player))
146                    );
147                    return;
148                }
149                int size = plots.size();
150                int currentPlots = (Settings.Limit.GLOBAL ?
151                        other.getPlotCount() :
152                        other.getPlotCount(plot.getWorldName())) + size;
153                try (final MetaDataAccess<Integer> metaDataAccess = player.accessPersistentMetaData(PlayerMetaDataKeys.PERSISTENT_GRANTED_PLOTS)) {
154                    int grants;
155                    if (currentPlots >= other.getAllowedPlots()) {
156                        if (metaDataAccess.isPresent()) {
157                            grants = metaDataAccess.get().orElse(0);
158                            if (grants <= 0) {
159                                metaDataAccess.remove();
160                                player.sendMessage(TranslatableCaption.of("permission.cant_transfer_more_plots"));
161                                return;
162                            }
163                        }
164                    }
165                }
166            }
167            final UUID finalUUID = uuid;
168            PlotSquared.get().getImpromptuUUIDPipeline().getSingle(uuid, (finalName, throwable) -> {
169                final boolean removeDenied = plot.isDenied(finalUUID);
170                Runnable run = () -> {
171                    if (plot.setOwner(finalUUID, player)) {
172                        if (removeDenied) {
173                            plot.removeDenied(finalUUID);
174                        }
175                        plot.getPlotModificationManager().setSign(finalName);
176                        player.sendMessage(TranslatableCaption.of("owner.set_owner"));
177                        eventDispatcher.callPostOwnerChange(player, plot, oldOwner);
178                        if (other != null) {
179                            other.sendMessage(
180                                    TranslatableCaption.of("owner.now_owner"),
181                                    Template.of("plot", plot.getArea() + ";" + plot.getId())
182                            );
183                        }
184                    } else {
185                        player.sendMessage(TranslatableCaption.of("owner.set_owner_cancelled"));
186                    }
187                };
188                if (hasConfirmation(player)) {
189                    CmdConfirm.addPending(player, "/plot setowner " + value, run);
190                } else {
191                    TaskManager.runTask(run);
192                }
193            });
194        };
195
196        if (value.length() == 36) {
197            try {
198                uuidConsumer.accept(UUID.fromString(value));
199            } catch (Exception ignored) {
200            }
201        } else {
202            PlotSquared.get().getImpromptuUUIDPipeline().getSingle(value, (uuid, throwable) -> uuidConsumer.accept(uuid));
203        }
204        return true;
205    }
206
207    @Override
208    public Collection<Command> tab(final PlotPlayer<?> player, final String[] args, final boolean space) {
209        return TabCompletions.completePlayers(player, String.join(",", args).trim(), Collections.emptyList());
210    }
211
212}