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/*
 * Copyright 2021 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.openrewrite.java.search;

import lombok.RequiredArgsConstructor;
import org.jspecify.annotations.Nullable;
import org.openrewrite.Tree;
import org.openrewrite.internal.StringUtils;
import org.openrewrite.java.JavaIsoVisitor;
import org.openrewrite.java.TypeMatcher;
import org.openrewrite.java.tree.J;
import org.openrewrite.java.tree.JavaSourceFile;
import org.openrewrite.java.tree.JavaType;
import org.openrewrite.marker.SearchResult;

@RequiredArgsConstructor
public class UsesField
 extends JavaIsoVisitor {
    private final String owner;
    private final String field;

    @Override
    public J visit(@Nullable Tree tree, P p) {
        if (tree instanceof JavaSourceFile) {
            JavaSourceFile cu = (JavaSourceFile) tree;
            boolean isGlob = field.contains("*") || field.contains("?");
            TypeMatcher typeMatcher = null;
            for (JavaType.Variable variable : cu.getTypesInUse().getVariables()) {
                if (isGlob && (typeMatcher = typeMatcher == null ? new TypeMatcher(owner, true) : typeMatcher).matches(variable.getOwner()) &&
                    StringUtils.matchesGlob(variable.getName(), field)) {
                    return SearchResult.found(cu);
                } else if (!isGlob && variable.getName().equals(field) &&
                    (typeMatcher = typeMatcher == null ? new TypeMatcher(owner, true) : typeMatcher).matches(variable.getOwner())) {
                    return SearchResult.found(cu);
                }
            }
        }
        return (J) tree;
    }
}