/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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 org.apache.maven.internal.aether;

import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentMap;

import org.apache.maven.api.PathType;
import org.apache.maven.api.Type;
import org.apache.maven.api.services.TypeRegistry;
import org.apache.maven.impl.resolver.type.DefaultType;
import org.eclipse.aether.artifact.ArtifactType;
import org.eclipse.aether.artifact.ArtifactTypeRegistry;

import static java.util.Objects.requireNonNull;

/**
 * Adapter between Maven {@link TypeRegistry} and Resolver {@link ArtifactTypeRegistry}.
 * <p>
 * Results are cached per typeId since type definitions are immutable during a build.
 */
class TypeRegistryAdapter implements ArtifactTypeRegistry {
    private final TypeRegistry typeRegistry;
    private final ConcurrentMap<String, ArtifactType> cache = new ConcurrentHashMap<>();

    TypeRegistryAdapter(TypeRegistry typeRegistry) {
        this.typeRegistry = requireNonNull(typeRegistry, "typeRegistry");
    }

    @Override
    public ArtifactType get(String typeId) {
        return cache.computeIfAbsent(typeId, this::doGet);
    }

    private ArtifactType doGet(String typeId) {
        Type type = typeRegistry.require(typeId);
        if (type instanceof ArtifactType artifactType) {
            return artifactType;
        }
        return new DefaultType(
                type.id(),
                type.getLanguage(),
                type.getExtension(),
                type.getClassifier(),
                type.isIncludesDependencies(),
                type.getPathTypes().toArray(new PathType[0]));
    }
}
