/*
 * 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.argument;

import com.google.common.collect.ImmutableList;
import com.sk89q.worldedit.command.util.EntityRemover;
import com.sk89q.worldedit.util.formatting.text.Component;
import com.sk89q.worldedit.util.formatting.text.TextComponent;
import org.enginehub.piston.CommandManager;
import org.enginehub.piston.converter.ArgumentConverter;
import org.enginehub.piston.converter.ConversionResult;
import org.enginehub.piston.converter.FailedConversion;
import org.enginehub.piston.converter.SuccessfulConversion;
import org.enginehub.piston.inject.InjectedValueAccess;
import org.enginehub.piston.inject.Key;

import java.util.List;

import static org.enginehub.piston.converter.SuggestionHelper.limitByPrefix;

public class EntityRemoverConverter implements ArgumentConverter<EntityRemover> {

    public static void register(CommandManager commandManager) {
        commandManager.registerConverter(Key.of(EntityRemover.class), new EntityRemoverConverter());
    }

    private final List<String> suggestions
            = ImmutableList.of("projectiles", "items", "paintings", "itemframes", "boats", "minecarts", "tnt", "xp", "all");

    private EntityRemoverConverter() {
    }

    @Override
    public Component describeAcceptableArguments() {
        return TextComponent.of(
                "projectiles, items, paintings, itemframes, boats, minecarts, tnt, xp, or all"
        );
    }

    @Override
    public List<String> getSuggestions(String input, InjectedValueAccess context) {
        return limitByPrefix(suggestions.stream(), input);
    }

    @Override
    public ConversionResult<EntityRemover> convert(String argument, InjectedValueAccess context) {
        try {
            return SuccessfulConversion.fromSingle(EntityRemover.fromString(argument));
        } catch (Exception e) {
            return FailedConversion.from(e);
        }
    }

}
