/*
 * This file is a part of the SteamWar software.
 *
 * Copyright (C) 2020  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 de.steamwar.bausystem.features.region.RegionCommand;
import de.steamwar.bausystem.region.dynamic.DynamicRegion;
import de.steamwar.bausystem.region.dynamic.DynamicRegionRepository;
import de.steamwar.bausystem.region.dynamic.Tile;
import de.steamwar.bausystem.utils.PasteBuilder;
import de.steamwar.command.AbstractSWCommand;
import de.steamwar.command.PreviousArguments;
import de.steamwar.command.SWCommand;
import de.steamwar.command.TypeMapper;
import org.bukkit.command.CommandSender;
import org.bukkit.entity.Player;

import java.util.Collection;
import java.util.UUID;

@AbstractSWCommand.PartOf(RegionCommand.class)
public class DynamicRegionCommand extends SWCommand {

    public DynamicRegionCommand() {
        super("");
    }

    @Register({"dynamic", "place"})
    public void placeRegion(Player player, @Mapper("regionType") String regionType) {
        Region region = DynamicRegionSystem.INSTANCE.get(player.getLocation());
        if (!region.getType().isGlobal()) return;
        Tile tile = Tile.fromLocation(player.getLocation()).orElse(null);
        if (tile == null) return;

        // Check location!

        Class<? extends DynamicRegion> regionClass = DynamicRegionSystem.getRegionClassByIdentifier(regionType);
        DynamicRegion dynamicRegion = DynamicRegionRepository.constructRegion(regionClass, UUID.randomUUID(), tile.getMinX(), tile.getMinZ());
        if (dynamicRegion == null) {
            // TODO: Give error to user
            return;
        }

        dynamicRegion.getArea().place(new PasteBuilder(new PasteBuilder.FileProvider(dynamicRegion.getArea().getResetFile())), false);
        dynamicRegion.updateNeighbours();
    }

    @Register({"dynamic", "delete"})
    public void deleteRegion(Player player) {
        Region region = DynamicRegionSystem.INSTANCE.get(player.getLocation());
        if (!region.getType().isDeletable()) return;
        region.delete();
    }

    @Mapper("regionType")
    private TypeMapper<String> regionType() {
        return new TypeMapper<>() {
            @Override
            public String map(CommandSender commandSender, String[] previousArguments, String s) {
                if (DynamicRegionSystem.hasRegionClassForIdentifier(s)) {
                    return s;
                } else {
                    return null;
                }
            }

            @Override
            public Collection<String> tabCompletes(CommandSender sender, PreviousArguments previousArguments, String s) {
                return DynamicRegionSystem.allRegionIdentifiers();
            }
        };
    }
}