/*
 * 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.extension.factory.parser.mask;

import com.fastasyncworldedit.core.configuration.Caption;
import com.sk89q.worldedit.WorldEdit;
import com.sk89q.worldedit.command.util.SuggestionHelper;
import com.sk89q.worldedit.extension.input.InputParseException;
import com.sk89q.worldedit.extension.input.ParserContext;
import com.sk89q.worldedit.function.mask.BlockCategoryMask;
import com.sk89q.worldedit.function.mask.Mask;
import com.sk89q.worldedit.internal.registry.InputParser;
import com.sk89q.worldedit.util.formatting.text.TextComponent;
import com.sk89q.worldedit.world.block.BlockCategory;

import java.util.Locale;
import java.util.stream.Stream;

public class BlockCategoryMaskParser extends InputParser<Mask> {

    public BlockCategoryMaskParser(WorldEdit worldEdit) {
        super(worldEdit);
    }

    @Override
    public Stream<String> getSuggestions(String input) {
        return SuggestionHelper.getBlockCategorySuggestions(input, false);
    }

    @Override
    public Mask parseFromInput(String input, ParserContext context) throws InputParseException {
        if (!input.startsWith("##")) {
            return null;
        }

        // This means it's a tag mask.
        BlockCategory category = BlockCategory.REGISTRY.get(input.substring(2).toLowerCase(Locale.ROOT));
        if (category == null) {
            throw new InputParseException(Caption.of(
                    "fawe.error.unrecognised-tag",
                    TextComponent.of(input.substring(2)),
                    TextComponent.of("\\")
            ));
        } else {
            return new BlockCategoryMask(context.requireExtent(), category);
        }
    }

}
