/*
 * Copyright 2021 the original author or authors.
 * <p>
 * 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
 * <p>
 * https://www.apache.org/licenses/LICENSE-2.0
 * <p>
 * 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.openrewrite.java.search;

import lombok.EqualsAndHashCode;
import lombok.Value;
import org.openrewrite.Tree;
import org.openrewrite.internal.lang.Nullable;
import org.openrewrite.java.JavaIsoVisitor;
import org.openrewrite.java.marker.JavaSourceSet;
import org.openrewrite.java.tree.J;
import org.openrewrite.java.tree.JavaSourceFile;
import org.openrewrite.java.tree.JavaType;
import org.openrewrite.java.tree.TypeUtils;
import org.openrewrite.marker.SearchResult;

import static java.util.Objects.requireNonNull;

@Value
@EqualsAndHashCode(callSuper = true)
public class HasTypeOnClasspathSourceSet<P> extends JavaIsoVisitor<P> {
    String fullyQualifiedTypeName;

    @Override
    public J visit(@Nullable Tree tree, P p) {
        if (tree instanceof JavaSourceFile) {
            JavaSourceFile cu = (JavaSourceFile) requireNonNull(tree);
            return cu.getMarkers().findFirst(JavaSourceSet.class)
                    .filter(sourceSet -> {
                        for (JavaType.FullyQualified classpath : sourceSet.getClasspath()) {
                            if (TypeUtils.isOfClassType(classpath, fullyQualifiedTypeName)) {
                                return false;
                            }
                        }
                        return true;
                    })
                    .map(sourceSet -> cu)
                    .orElse(SearchResult.found(cu));
        }
        return super.visit(tree, p);
    }
}
