/*
 *   This file is a part of the SteamWar software.
 *
 *   Copyright (C) 2024  SteamWar.de-Serverteam
 *
 *   This program is free software: you can redistribute it and/or modify
 *   it under the terms of the GNU Affero 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 Affero General Public License for more details.
 *
 *   You should have received a copy of the GNU Affero General Public License
 *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */

package de.steamwar.bausystem.region;

import com.sk89q.worldedit.EditSession;
import de.steamwar.bausystem.region.flags.Flag;
import lombok.NonNull;
import org.bukkit.Location;

import java.io.File;
import java.util.Optional;

public final class FixedGlobalRegion implements Region {

    public static final FixedGlobalRegion INSTANCE = new FixedGlobalRegion();

    private static final Point MIN_POINT = new Point(Integer.MIN_VALUE, Integer.MIN_VALUE, Integer.MIN_VALUE);
    private static final Point MAX_POINT = new Point(Integer.MAX_VALUE, Integer.MAX_VALUE, Integer.MAX_VALUE);

    private final FlagStorage FLAG_STORAGE = FixedFlagStorage.createFromRegion(this); // TODO: Update to either File or Region creation!

    private FixedGlobalRegion() {
    }

    @Override
    public RegionType getType() {
        return RegionType.GLOBAL;
    }

    @Override
    public <T extends Enum<T> & Flag.Value<T>> RegionFlagPolicy hasFlag(@NonNull Flag<T> flag) {
        if (flag.oneOf(Flag.TNT, Flag.FIRE, Flag.FREEZE, Flag.ITEMS, Flag.NO_GRAVITY)) {
            return RegionFlagPolicy.WRITABLE;
        }
        return RegionFlagPolicy.NOT_APPLICABLE;
    }

    @Override
    public <T extends Enum<T> & Flag.Value<T>> boolean setFlag(@NonNull Flag<T> flag, T value) {
        return hasFlag(flag).isWritable() && FLAG_STORAGE.set(flag, value);
    }

    @Override
    public <T extends Enum<T> & Flag.Value<T>> Optional<T> getFlag(@NonNull Flag<T> flag) {
        if (hasFlag(flag).isReadable()) {
            return Optional.ofNullable(FLAG_STORAGE.get(flag));
        } else {
            return Optional.empty();
        }
    }

    @Override
    public Point getMinPoint() {
        return MIN_POINT;
    }

    @Override
    public Point getMaxPoint() {
        return MAX_POINT;
    }

    @Override
    public boolean inRegion(Location location) {
        return true;
    }

    @Override
    public Inner getBuildArea() {
        return Inner.EMPTY;
    }

    @Override
    public Inner getTestblockArea() {
        return Inner.EMPTY;
    }

    @Override
    public Optional<File> getGameModeConfig() {
        return Optional.empty();
    }

    @Override
    public Optional<EditSession> copy() {
        return Optional.empty();
    }

    @Override
    public boolean backup(boolean automatic) {
        return false;
    }

    @Override
    public void reset() {

    }

    @Override
    public void remember(EditSession editSession) {

    }

    @Override
    public boolean undo() {
        return false;
    }

    @Override
    public boolean redo() {
        return false;
    }
}