/*
 * Copyright (C) 2007-2010 Júlio Vilmar Gesser.
 * Copyright (C) 2011, 2013-2024 The JavaParser Team.
 *
 * This file is part of JavaParser.
 *
 * JavaParser can be used either under the terms of
 * a) the GNU Lesser General Public License as published by
 *     the Free Software Foundation, either version 3 of the License, or
 *     (at your option) any later version.
 * b) the terms of the Apache License
 *
 * You should have received a copy of both licenses in LICENCE.LGPL and
 * LICENCE.APACHE. Please refer to those files for details.
 *
 * JavaParser is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 */
package com.github.javaparser.ast.expr;

import static com.github.javaparser.utils.Utils.assertNotNull;

import com.github.javaparser.TokenRange;
import com.github.javaparser.ast.AllFieldsConstructor;
import com.github.javaparser.ast.Generated;
import com.github.javaparser.ast.Node;
import com.github.javaparser.ast.observer.ObservableProperty;
import com.github.javaparser.ast.visitor.CloneVisitor;
import com.github.javaparser.ast.visitor.GenericVisitor;
import com.github.javaparser.ast.visitor.VoidVisitor;
import com.github.javaparser.metamodel.JavaParserMetaModel;
import com.github.javaparser.metamodel.SingleMemberAnnotationExprMetaModel;
import java.util.Optional;
import java.util.function.Consumer;

/**
 * An annotation that has a single value. <br>{@code @Count(15)}
 *
 * @author Julio Vilmar Gesser
 */
public class SingleMemberAnnotationExpr extends AnnotationExpr {

    private Expression memberValue;

    public SingleMemberAnnotationExpr() {
        this(null, new Name(), new StringLiteralExpr());
    }

    @AllFieldsConstructor
    public SingleMemberAnnotationExpr(final Name name, final Expression memberValue) {
        this(null, name, memberValue);
    }

    /**
     * This constructor is used by the parser and is considered private.
     */
    @Generated("com.github.javaparser.generator.core.node.MainConstructorGenerator")
    public SingleMemberAnnotationExpr(TokenRange tokenRange, Name name, Expression memberValue) {
        super(tokenRange, name);
        setMemberValue(memberValue);
        customInitialization();
    }

    @Override
    @Generated("com.github.javaparser.generator.core.node.AcceptGenerator")
    public <R, A> R accept(final GenericVisitor<R, A> v, final A arg) {
        return v.visit(this, arg);
    }

    @Override
    @Generated("com.github.javaparser.generator.core.node.AcceptGenerator")
    public <A> void accept(final VoidVisitor<A> v, final A arg) {
        v.visit(this, arg);
    }

    @Generated("com.github.javaparser.generator.core.node.PropertyGenerator")
    public Expression getMemberValue() {
        return memberValue;
    }

    @Generated("com.github.javaparser.generator.core.node.PropertyGenerator")
    public SingleMemberAnnotationExpr setMemberValue(final Expression memberValue) {
        assertNotNull(memberValue);
        if (memberValue == this.memberValue) {
            return this;
        }
        notifyPropertyChange(ObservableProperty.MEMBER_VALUE, this.memberValue, memberValue);
        if (this.memberValue != null) this.memberValue.setParentNode(null);
        this.memberValue = memberValue;
        setAsParentNodeOf(memberValue);
        return this;
    }

    @Override
    @Generated("com.github.javaparser.generator.core.node.CloneGenerator")
    public SingleMemberAnnotationExpr clone() {
        return (SingleMemberAnnotationExpr) accept(new CloneVisitor(), null);
    }

    @Override
    @Generated("com.github.javaparser.generator.core.node.GetMetaModelGenerator")
    public SingleMemberAnnotationExprMetaModel getMetaModel() {
        return JavaParserMetaModel.singleMemberAnnotationExprMetaModel;
    }

    @Override
    @Generated("com.github.javaparser.generator.core.node.ReplaceMethodGenerator")
    public boolean replace(Node node, Node replacementNode) {
        if (node == null) {
            return false;
        }
        if (node == memberValue) {
            setMemberValue((Expression) replacementNode);
            return true;
        }
        return super.replace(node, replacementNode);
    }

    @Override
    @Generated("com.github.javaparser.generator.core.node.TypeCastingGenerator")
    public boolean isSingleMemberAnnotationExpr() {
        return true;
    }

    @Override
    @Generated("com.github.javaparser.generator.core.node.TypeCastingGenerator")
    public SingleMemberAnnotationExpr asSingleMemberAnnotationExpr() {
        return this;
    }

    @Override
    @Generated("com.github.javaparser.generator.core.node.TypeCastingGenerator")
    public void ifSingleMemberAnnotationExpr(Consumer<SingleMemberAnnotationExpr> action) {
        action.accept(this);
    }

    @Override
    @Generated("com.github.javaparser.generator.core.node.TypeCastingGenerator")
    public Optional<SingleMemberAnnotationExpr> toSingleMemberAnnotationExpr() {
        return Optional.of(this);
    }
}
