/*
 * Copyright 2025 Antmicro
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.antmicro.girdl.util.args;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Optional;

public class Args {

	Map<String, List<String>> options = new HashMap<>();

	List<String> create(String option) {
		return options.computeIfAbsent(option, key -> new ArrayList<>());
	}

	public boolean hasFlag(String option) {
		return options.containsKey(option);
	}

	public List<String> getOptions(String option) {
		return options.getOrDefault(option, List.of());
	}

	public Optional<String> getOption(String option) {
		return Optional.ofNullable(options.get(option)).filter(list -> !list.isEmpty()).map(List::getFirst);
	}

}
