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/*
 * Copyright 2023 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.template.internal;

import org.openrewrite.Cursor;
import org.openrewrite.ExecutionContext;
import org.openrewrite.TreeVisitor;
import org.openrewrite.java.JavaVisitor;
import org.openrewrite.java.cleanup.SimplifyBooleanExpressionVisitor;
import org.openrewrite.java.cleanup.UnnecessaryParenthesesVisitor;
import org.openrewrite.java.service.ImportService;
import org.openrewrite.java.tree.J;

import java.util.EnumSet;

@SuppressWarnings("unused")
public abstract class AbstractRefasterJavaVisitor extends JavaVisitor {

    @SuppressWarnings("SameParameterValue")
    protected J embed(J j, Cursor cursor, ExecutionContext ctx, EmbeddingOption... options) {
        EnumSet optionsSet = options.length > 0 ? EnumSet.of(options[0], options) :
                EnumSet.noneOf(EmbeddingOption.class);

        TreeVisitor visitor;
        if (optionsSet.contains(EmbeddingOption.REMOVE_PARENS) && !getAfterVisit().contains(visitor = new UnnecessaryParenthesesVisitor<>())) {
            doAfterVisit(visitor);
        }
        if (optionsSet.contains(EmbeddingOption.ADD_PARENS)) {
            j = new MinimumViableParentheses().visitNonNull(j, ctx, cursor.getParentOrThrow());
        }
        if (optionsSet.contains(EmbeddingOption.SHORTEN_NAMES)) {
            doAfterVisit(service(ImportService.class).shortenFullyQualifiedTypeReferencesIn(j));
        }
        if (optionsSet.contains(EmbeddingOption.SIMPLIFY_BOOLEANS)) {
            j = new SimplifyBooleanExpressionVisitor().visitNonNull(j, ctx, cursor.getParentOrThrow());
        }
        return j;
    }

    public enum EmbeddingOption {
        SHORTEN_NAMES, SIMPLIFY_BOOLEANS, REMOVE_PARENS, ADD_PARENS
    }
}