/*
 * WorldEdit, a Minecraft world manipulation toolkit
 * Copyright (C) sk89q <http://www.sk89q.com>
 * Copyright (C) WorldEdit team and contributors
 *
 * 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 <https://www.gnu.org/licenses/>.
 */

package com.sk89q.worldedit.command.tool;

import com.fastasyncworldedit.core.configuration.Caption;
import com.sk89q.worldedit.EditSession;
import com.sk89q.worldedit.LocalConfiguration;
import com.sk89q.worldedit.LocalSession;
import com.sk89q.worldedit.MaxChangedBlocksException;
import com.sk89q.worldedit.entity.Player;
import com.sk89q.worldedit.extension.platform.Actor;
import com.sk89q.worldedit.extension.platform.Platform;
import com.sk89q.worldedit.util.Location;
import com.sk89q.worldedit.world.block.BlockType;
import com.sk89q.worldedit.world.block.BlockTypes;

/**
 * A super pickaxe mode that will remove blocks in an area.
 */
public class AreaPickaxe implements BlockTool {

    private final int range;

    public AreaPickaxe(int range) {
        this.range = range;
    }

    @Override
    public boolean canUse(Actor player) {
        return player.hasPermission("worldedit.superpickaxe.area");
    }

    @Override
    public boolean actPrimary(Platform server, LocalConfiguration config, Player player, LocalSession session, Location clicked) {
        int ox = clicked.getBlockX();
        int oy = clicked.getBlockY();
        int oz = clicked.getBlockZ();
        BlockType initialType = clicked.getExtent().getBlock(clicked.toVector().toBlockPoint()).getBlockType();

        if (initialType.getMaterial().isAir()) {
            return false;
        }

        if (initialType == BlockTypes.BEDROCK && !player.canDestroyBedrock()) {
            return false;
        }

        try (EditSession editSession = session.createEditSession(player, "AreaPickaxe")) {
            editSession.getSurvivalExtent().setToolUse(config.superPickaxeManyDrop);

            try {
                for (int x = ox - range; x <= ox + range; ++x) {
                    for (int y = oy - range; y <= oy + range; ++y) {
                        for (int z = oz - range; z <= oz + range; ++z) {
                            if (!initialType.equals(editSession.getBlock(x, y, z).getBlockType())) {
                                continue;
                            }

                            editSession.setBlock(x, y, z, BlockTypes.AIR.getDefaultState());

                        }
                    }
                }
                editSession.flushQueue();
            } catch (MaxChangedBlocksException e) {
                player.print(Caption.of("worldedit.tool.max-block-changes"));
            } finally {
                session.remember(editSession);
            }
        }

        return true;
    }

}
