/*
 * Copyright 2022 the original author or authors.
 *
 * 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
 *
 *      https://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 org.springframework.shell.standard.completion;

import java.util.stream.Collectors;
import java.util.stream.Stream;

import org.springframework.aot.hint.MemberCategory;
import org.springframework.aot.hint.ReflectionHints;
import org.springframework.aot.hint.RuntimeHints;
import org.springframework.aot.hint.RuntimeHintsRegistrar;
import org.springframework.aot.hint.TypeReference;

/**
 * {@link RuntimeHintsRegistrar} for Shell Standard completion temlate model classes.
 *
 * @author Janne Valkealahti
 */
class StandardCompletionModelsRuntimeHints implements RuntimeHintsRegistrar {

	@Override
	public void registerHints(RuntimeHints hints, ClassLoader classLoader) {
		ReflectionHints reflection = hints.reflection();
		registerForDeclaredMethodsInvocation(reflection, AbstractCompletions.DefaultCommandModel.class,
				AbstractCompletions.DefaultCommandModelCommand.class,
				AbstractCompletions.DefaultCommandModelOption.class);
	}

	private void registerForDeclaredMethodsInvocation(ReflectionHints reflection, Class<?>... classes) {
		reflection.registerTypes(typeReferences(classes),
				hint -> hint.withMembers(MemberCategory.INVOKE_DECLARED_METHODS));
	}

	private Iterable<TypeReference> typeReferences(Class<?>... classes) {
		return Stream.of(classes).map(TypeReference::of).collect(Collectors.toList());
	}
}
