TF-PlotSquared/src/main/java/com/intellectualcrafters/plot/commands/Merge.java

////////////////////////////////////////////////////////////////////////////////////////////////////
// PlotSquared - A plot manager and world generator for the Bukkit API                             /
// Copyright (c) 2014 IntellectualSites/IntellectualCrafters                                       /
//                                                                                                 /
// 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, write to the Free Software Foundation,                         /
// Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301  USA                               /
//                                                                                                 /
// You can contact us via: support@intellectualsites.com                                           /
////////////////////////////////////////////////////////////////////////////////////////////////////
package com.intellectualcrafters.plot.commands;

import java.util.ArrayList;
import java.util.HashSet;
import java.util.UUID;

import com.intellectualcrafters.plot.PS;
import com.intellectualcrafters.plot.config.C;
import com.intellectualcrafters.plot.config.Settings;
import com.intellectualcrafters.plot.object.Location;
import com.intellectualcrafters.plot.object.Plot;
import com.intellectualcrafters.plot.object.PlotId;
import com.intellectualcrafters.plot.object.PlotPlayer;
import com.intellectualcrafters.plot.object.PlotWorld;
import com.intellectualcrafters.plot.util.CmdConfirm;
import com.intellectualcrafters.plot.util.EconHandler;
import com.intellectualcrafters.plot.util.EventUtil;
import com.intellectualcrafters.plot.util.MainUtil;
import com.intellectualcrafters.plot.util.Permissions;
import com.intellectualcrafters.plot.util.StringMan;
import com.intellectualcrafters.plot.util.UUIDHandler;
import com.plotsquared.general.commands.CommandDeclaration;

@CommandDeclaration(
command = "merge",
aliases = { "m" },
description = "Merge the plot you are standing on, with another plot",
permission = "plots.merge",
usage = "/plot merge [direction]",
category = CommandCategory.ACTIONS,
requiredType = RequiredType.NONE)
public class Merge extends SubCommand {
    public final static String[] values = new String[] { "north", "east", "south", "west", "auto" };
    public final static String[] aliases = new String[] { "n", "e", "s", "w", "all" };
    
    public static String direction(float yaw) {
        yaw = yaw / 90;
        final int i = Math.round(yaw);
        switch (i) {
            case -4:
            case 0:
            case 4:
                return "SOUTH";
            case -1:
            case 3:
                return "EAST";
            case -2:
            case 2:
                return "NORTH";
            case -3:
            case 1:
                return "WEST";
            default:
                return "";
        }
    }
    
    @Override
    public boolean onCommand(final PlotPlayer plr, final String[] args) {
        final Location loc = plr.getLocationFull();
        final Plot plot = MainUtil.getPlotAbs(loc);
        if (plot == null) {
            return !sendMessage(plr, C.NOT_IN_PLOT);
        }
        if ((plot == null) || !plot.hasOwner()) {
            MainUtil.sendMessage(plr, C.PLOT_UNOWNED);
            return false;
        }
        final boolean admin = Permissions.hasPermission(plr, "plots.admin.command.merge");
        if (!plot.isOwner(plr.getUUID()) && !admin) {
            MainUtil.sendMessage(plr, C.NO_PLOT_PERMS);
            return false;
        }
        final PlotWorld plotworld = PS.get().getPlotWorld(plot.world);
        if ((EconHandler.manager != null) && plotworld.USE_ECONOMY && plotworld.MERGE_PRICE > 0d && EconHandler.manager.getMoney(plr) < plotworld.MERGE_PRICE) {
            sendMessage(plr, C.CANNOT_AFFORD_MERGE, plotworld.MERGE_PRICE + "");
            return false;
        }
        int direction = -1;
        final int size = plot.getConnectedPlots().size();
        final int maxSize = Permissions.hasPermissionRange(plr, "plots.merge", Settings.MAX_PLOTS); 
        if (size >= maxSize) {
            MainUtil.sendMessage(plr, C.NO_PERMISSION, "plots.merge." + (size + 1));
            return false;
        }
        if (args.length == 0) {
//            switch (direction(plr.getLocationFull().getYaw())) {
//                case "NORTH":
//                    direction = 0;
//                    break;
//                case "EAST":
//                    direction = 1;
//                    break;
//                case "SOUTH":
//                    direction = 2;
//                    break;
//                case "WEST":
//                    direction = 3;
//                    break;
//            }
        } else {
            if (args[0].equalsIgnoreCase("all") || args[0].equalsIgnoreCase("auto")) {
                if (MainUtil.autoMerge(plot, -1, maxSize - size, plr.getUUID(), (args.length != 2) || !args[1].equalsIgnoreCase("false"))) {
                    if ((EconHandler.manager != null) && plotworld.USE_ECONOMY && plotworld.MERGE_PRICE > 0d) {
                        EconHandler.manager.withdrawMoney(plr, plotworld.MERGE_PRICE);
                        sendMessage(plr, C.REMOVED_BALANCE, plotworld.MERGE_PRICE + "");
                    }
                    MainUtil.sendMessage(plr, C.SUCCESS_MERGE);
                    return true;
                }
                MainUtil.sendMessage(plr, C.NO_AVAILABLE_AUTOMERGE);
                return false;
                
            }
            for (int i = 0; i < values.length; i++) {
                if (args[0].equalsIgnoreCase(values[i]) || args[0].equalsIgnoreCase(aliases[i])) {
                    direction = i;
                    break;
                }
            }
        }
        if (direction == -1) {
            MainUtil.sendMessage(plr, C.COMMAND_SYNTAX, "/plot merge <" + StringMan.join(values, "|") + ">");
            MainUtil.sendMessage(plr, C.DIRECTION.s().replaceAll("%dir%", direction(loc.getYaw())));
            return false;
        }
        if (MainUtil.autoMerge(plot, direction, maxSize - size, plot.owner, (args.length != 2) || !args[1].equalsIgnoreCase("false"))) {
            if ((EconHandler.manager != null) && plotworld.USE_ECONOMY && plotworld.MERGE_PRICE > 0d) {
                EconHandler.manager.withdrawMoney(plr, plotworld.MERGE_PRICE);
                sendMessage(plr, C.REMOVED_BALANCE, plotworld.MERGE_PRICE + "");
            }
            MainUtil.sendMessage(plr, C.SUCCESS_MERGE);
            return true;
        }
        Plot adjacent = MainUtil.getPlotAbs(plot.world, MainUtil.getPlotIdRelative(plot.id, direction));
        if (adjacent == null || !adjacent.hasOwner() || adjacent.getMerged((direction + 2) % 4)) {
            MainUtil.sendMessage(plr, C.NO_AVAILABLE_AUTOMERGE);
            return false;
        }
        if (!Permissions.hasPermission(plr, C.PERMISSION_MERGE_OTHER)) {
            MainUtil.sendMessage(plr, C.NO_PERMISSION, C.PERMISSION_MERGE_OTHER.s());
            return false;
        }
        HashSet<UUID> uuids = adjacent.getOwners();
        boolean isOnline = false;
        for (final UUID uuid : uuids) {
            final PlotPlayer accepter = UUIDHandler.getPlayer(uuid);
            if (accepter == null) {
                continue;
            }
            isOnline = true;
            final int dir = direction;
            CmdConfirm.addPending(accepter, C.MERGE_REQUEST_CONFIRM.s().replaceAll("%s", plr.getName()), new Runnable() {
                @Override
                public void run() {
                    MainUtil.sendMessage(accepter, C.MERGE_ACCEPTED);
                    MainUtil.autoMerge(plot, dir, maxSize - size, uuid, true);
                    final PlotPlayer pp = UUIDHandler.getPlayer(plr.getUUID());
                    if (pp == null) {
                        sendMessage(accepter, C.MERGE_NOT_VALID);
                        return;
                    }
                    if ((EconHandler.manager != null) && plotworld.USE_ECONOMY && plotworld.MERGE_PRICE > 0d) {
                        if (EconHandler.manager.getMoney(plr) < plotworld.MERGE_PRICE) {
                            sendMessage(plr, C.CANNOT_AFFORD_MERGE, plotworld.MERGE_PRICE + "");
                            return;
                        }
                        EconHandler.manager.withdrawMoney(plr, plotworld.MERGE_PRICE);
                        sendMessage(plr, C.REMOVED_BALANCE, plotworld.MERGE_PRICE + "");
                    }
                    MainUtil.sendMessage(plr, C.SUCCESS_MERGE);
                }
            });
        }
        if (isOnline == false) {
            MainUtil.sendMessage(plr, C.NO_AVAILABLE_AUTOMERGE);
            return false;
        }
        MainUtil.sendMessage(plr, C.MERGE_REQUESTED);
        return true;
    }
}