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.caption.TranslatableCaption;
024import com.plotsquared.core.events.PlayerBuyPlotEvent;
025import com.plotsquared.core.events.Result;
026import com.plotsquared.core.player.OfflinePlotPlayer;
027import com.plotsquared.core.player.PlotPlayer;
028import com.plotsquared.core.plot.Plot;
029import com.plotsquared.core.plot.PlotArea;
030import com.plotsquared.core.plot.flag.PlotFlag;
031import com.plotsquared.core.plot.flag.implementations.PriceFlag;
032import com.plotsquared.core.util.EconHandler;
033import com.plotsquared.core.util.EventDispatcher;
034import com.plotsquared.core.util.task.RunnableVal2;
035import com.plotsquared.core.util.task.RunnableVal3;
036import net.kyori.adventure.text.Component;
037import net.kyori.adventure.text.minimessage.tag.Tag;
038import net.kyori.adventure.text.minimessage.tag.resolver.TagResolver;
039import org.checkerframework.checker.nullness.qual.NonNull;
040
041import java.util.Set;
042import java.util.concurrent.CompletableFuture;
043
044@CommandDeclaration(command = "buy",
045        usage = "/plot buy",
046        permission = "plots.buy",
047        category = CommandCategory.CLAIMING,
048        requiredType = RequiredType.NONE)
049public class Buy extends Command {
050
051    private final EventDispatcher eventDispatcher;
052    private final EconHandler econHandler;
053
054    @Inject
055    public Buy(
056            final @NonNull EventDispatcher eventDispatcher,
057            final @NonNull EconHandler econHandler
058    ) {
059        super(MainCommand.getInstance(), true);
060        this.eventDispatcher = eventDispatcher;
061        this.econHandler = econHandler;
062    }
063
064    @Override
065    public CompletableFuture<Boolean> execute(
066            final PlotPlayer<?> player, String[] args,
067            RunnableVal3<Command, Runnable, Runnable> confirm,
068            final RunnableVal2<Command, CommandResult> whenDone
069    ) {
070
071        PlotArea area = player.getPlotAreaAbs();
072        check(area, TranslatableCaption.of("errors.not_in_plot_world"));
073        check(this.econHandler.isEnabled(area), TranslatableCaption.of("economy.econ_disabled"));
074        final Plot plot;
075        if (args.length != 0) {
076            if (args.length != 1) {
077                sendUsage(player);
078                return CompletableFuture.completedFuture(false);
079            }
080            plot = check(Plot.getPlotFromString(player, args[0], true), null);
081        } else {
082            plot = check(player.getCurrentPlot(), TranslatableCaption.of("errors.not_in_plot"));
083        }
084        checkTrue(plot.hasOwner(), TranslatableCaption.of("info.plot_unowned"));
085        checkTrue(!plot.isOwner(player.getUUID()), TranslatableCaption.of("economy.cannot_buy_own"));
086        Set<Plot> plots = plot.getConnectedPlots();
087        checkTrue(
088                player.getPlotCount() + plots.size() <= player.getAllowedPlots(),
089                TranslatableCaption.of("permission.cant_claim_more_plots"),
090                TagResolver.resolver("amount", Tag.inserting(Component.text(player.getAllowedPlots())))
091        );
092        double priceFlag = plot.getFlag(PriceFlag.class);
093        if (priceFlag <= 0) {
094            throw new CommandException(TranslatableCaption.of("economy.not_for_sale"));
095        }
096        checkTrue(
097                this.econHandler.isSupported(),
098                TranslatableCaption.of("economy.vault_or_consumer_null")
099        );
100
101        PlayerBuyPlotEvent event = this.eventDispatcher.callPlayerBuyPlot(player, plot, priceFlag);
102        if (event.getEventResult() == Result.DENY) {
103            throw new CommandException(TranslatableCaption.of("economy.cannot_buy_blocked"));
104        }
105
106        double price = event.getEventResult() == Result.FORCE ? 0 : event.price();
107        if (this.econHandler.getMoney(player) < price) {
108            throw new CommandException(
109                    TranslatableCaption.of("economy.cannot_afford_plot"),
110                    TagResolver.builder()
111                            .tag("money", Tag.inserting(Component.text(this.econHandler.format(price))))
112                            .tag("balance", Tag.inserting(Component.text(this.econHandler.format(this.econHandler.getMoney(player)))))
113                            .build()
114            );
115        }
116        this.econHandler.withdrawMoney(player, price);
117        // Failure
118        // Success
119        confirm.run(this, () -> {
120            player.sendMessage(
121                    TranslatableCaption.of("economy.removed_balance"),
122                    TagResolver.resolver("money", Tag.inserting(Component.text(this.econHandler.format(price))))
123            );
124
125            OfflinePlotPlayer previousOwner = PlotSquared.platform().playerManager().getOfflinePlayer(plot.getOwnerAbs());
126            this.econHandler.depositMoney(previousOwner, price);
127
128            PlotPlayer<?> owner = PlotSquared.platform().playerManager().getPlayerIfExists(plot.getOwnerAbs());
129            if (owner != null) {
130                owner.sendMessage(
131                        TranslatableCaption.of("economy.plot_sold"),
132                        TagResolver.builder()
133                                .tag("plot", Tag.inserting(Component.text(plot.getId().toString())))
134                                .tag("player", Tag.inserting(Component.text(player.getName())))
135                                .tag("price", Tag.inserting(Component.text(this.econHandler.format(price))))
136                                .build()
137                );
138            }
139            PlotFlag<?, ?> plotFlag = plot.getFlagContainer().getFlag(PriceFlag.class);
140            if (this.eventDispatcher.callFlagRemove(plotFlag, plot).getEventResult() != Result.DENY) {
141                plot.removeFlag(plotFlag);
142            }
143            plot.setOwner(player.getUUID());
144            plot.getPlotModificationManager().setSign(player.getName());
145            player.sendMessage(
146                    TranslatableCaption.of("working.claimed"),
147                    TagResolver.resolver("world", Tag.inserting(Component.text(plot.getArea().getWorldName()))),
148                    TagResolver.resolver("plot", Tag.inserting(Component.text(plot.getId().toString())))
149            );
150            this.eventDispatcher.callPostPlayerBuyPlot(player, previousOwner, plot, price);
151            whenDone.run(Buy.this, CommandResult.SUCCESS);
152        }, () -> {
153            this.econHandler.depositMoney(player, price);
154            whenDone.run(Buy.this, CommandResult.FAILURE);
155        });
156        return CompletableFuture.completedFuture(true);
157    }
158
159}