/*

 * Copyright (C) 2007-2010 Júlio Vilmar Gesser.

 * Copyright (C) 2011, 2013-2021 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.stmt;

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.NodeList;

import com.github.javaparser.ast.expr.*;

import com.github.javaparser.ast.nodeTypes.NodeWithArguments;

import com.github.javaparser.ast.nodeTypes.NodeWithTypeArguments;

import com.github.javaparser.ast.observer.ObservableProperty;

import com.github.javaparser.ast.type.Type;

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.ExplicitConstructorInvocationStmtMetaModel;

import com.github.javaparser.metamodel.JavaParserMetaModel;

import com.github.javaparser.metamodel.OptionalProperty;

import com.github.javaparser.resolution.Resolvable;

import com.github.javaparser.resolution.UnsolvedSymbolException;

import com.github.javaparser.resolution.declarations.ResolvedConstructorDeclaration;

import java.util.Optional;

import java.util.function.Consumer;

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

/**

 * A call to super or this in a constructor or initializer.

 * <br>{@code class X { X() { super(15); } }}

 * <br>{@code class X { X() { this(1, 2); } }}

 *

 * @author Julio Vilmar Gesser

 * @see com.github.javaparser.ast.expr.SuperExpr

 * @see com.github.javaparser.ast.expr.ThisExpr

 */

public class ExplicitConstructorInvocationStmt extends Statement implements NodeWithTypeArguments<ExplicitConstructorInvocationStmt>, NodeWithArguments<ExplicitConstructorInvocationStmt>, Resolvable<ResolvedConstructorDeclaration> {

    @OptionalProperty

    private NodeList<Type> typeArguments;

    private boolean isThis;

    @OptionalProperty

    private Expression expression;

    private NodeList<Expression> arguments;

    public ExplicitConstructorInvocationStmt() {

        this(null, null, true, null, new NodeList<>());

    }

    public ExplicitConstructorInvocationStmt(final boolean isThis, final Expression expression, final NodeList<Expression> arguments) {

        this(null, null, isThis, expression, arguments);

    }

    @AllFieldsConstructor

    public ExplicitConstructorInvocationStmt(final NodeList<Type> typeArguments, final boolean isThis, final Expression expression, final NodeList<Expression> arguments) {

        this(null, typeArguments, isThis, expression, arguments);

    }

    /**

     * This constructor is used by the parser and is considered private.

     */

    @Generated("com.github.javaparser.generator.core.node.MainConstructorGenerator")

    public ExplicitConstructorInvocationStmt(TokenRange tokenRange, NodeList<Type> typeArguments, boolean isThis, Expression expression, NodeList<Expression> arguments) {

        super(tokenRange);

        setTypeArguments(typeArguments);

        setThis(isThis);

        setExpression(expression);

        setArguments(arguments);

        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 NodeList<Expression> getArguments() {

        return arguments;

    }

    @Generated("com.github.javaparser.generator.core.node.PropertyGenerator")

    public Optional<Expression> getExpression() {

        return Optional.ofNullable(expression);

    }

    @Generated("com.github.javaparser.generator.core.node.PropertyGenerator")

    public boolean isThis() {

        return isThis;

    }

    @Generated("com.github.javaparser.generator.core.node.PropertyGenerator")

    public ExplicitConstructorInvocationStmt setArguments(final NodeList<Expression> arguments) {

        assertNotNull(arguments);

        if (arguments == this.arguments) {

            return this;

        }

        notifyPropertyChange(ObservableProperty.ARGUMENTS, this.arguments, arguments);

        if (this.arguments != null)

            this.arguments.setParentNode(null);

        this.arguments = arguments;

        setAsParentNodeOf(arguments);

        return this;

    }

    /**

     * Sets the expression

     *

     * @param expression the expression, can be null

     * @return this, the ExplicitConstructorInvocationStmt

     */

    @Generated("com.github.javaparser.generator.core.node.PropertyGenerator")

    public ExplicitConstructorInvocationStmt setExpression(final Expression expression) {

        if (expression == this.expression) {

            return this;

        }

        notifyPropertyChange(ObservableProperty.EXPRESSION, this.expression, expression);

        if (this.expression != null)

            this.expression.setParentNode(null);

        this.expression = expression;

        setAsParentNodeOf(expression);

        return this;

    }

    @Generated("com.github.javaparser.generator.core.node.PropertyGenerator")

    public ExplicitConstructorInvocationStmt setThis(final boolean isThis) {

        if (isThis == this.isThis) {

            return this;

        }

        notifyPropertyChange(ObservableProperty.THIS, this.isThis, isThis);

        this.isThis = isThis;

        return this;

    }

    @Generated("com.github.javaparser.generator.core.node.PropertyGenerator")

    public Optional<NodeList<Type>> getTypeArguments() {

        return Optional.ofNullable(typeArguments);

    }

    /**

     * Sets the typeArguments

     *

     * @param typeArguments the typeArguments, can be null

     * @return this, the ExplicitConstructorInvocationStmt

     */

    @Generated("com.github.javaparser.generator.core.node.PropertyGenerator")

    public ExplicitConstructorInvocationStmt setTypeArguments(final NodeList<Type> typeArguments) {

        if (typeArguments == this.typeArguments) {

            return this;

        }

        notifyPropertyChange(ObservableProperty.TYPE_ARGUMENTS, this.typeArguments, typeArguments);

        if (this.typeArguments != null)

            this.typeArguments.setParentNode(null);

        this.typeArguments = typeArguments;

        setAsParentNodeOf(typeArguments);

        return this;

    }

    @Override

    @Generated("com.github.javaparser.generator.core.node.RemoveMethodGenerator")

    public boolean remove(Node node) {

        if (node == null)

            return false;

        for (int i = 0; i < arguments.size(); i++) {

            if (arguments.get(i) == node) {

                arguments.remove(i);

                return true;

            }

        }

        if (expression != null) {

            if (node == expression) {

                removeExpression();

                return true;

            }

        }

        if (typeArguments != null) {

            for (int i = 0; i < typeArguments.size(); i++) {

                if (typeArguments.get(i) == node) {

                    typeArguments.remove(i);

                    return true;

                }

            }

        }

        return super.remove(node);

    }

    @Generated("com.github.javaparser.generator.core.node.RemoveMethodGenerator")

    public ExplicitConstructorInvocationStmt removeExpression() {

        return setExpression((Expression) null);

    }

    @Override

    @Generated("com.github.javaparser.generator.core.node.CloneGenerator")

    public ExplicitConstructorInvocationStmt clone() {

        return (ExplicitConstructorInvocationStmt) accept(new CloneVisitor(), null);

    }

    @Override

    @Generated("com.github.javaparser.generator.core.node.GetMetaModelGenerator")

    public ExplicitConstructorInvocationStmtMetaModel getMetaModel() {

        return JavaParserMetaModel.explicitConstructorInvocationStmtMetaModel;

    }

    @Override

    @Generated("com.github.javaparser.generator.core.node.ReplaceMethodGenerator")

    public boolean replace(Node node, Node replacementNode) {

        if (node == null)

            return false;

        for (int i = 0; i < arguments.size(); i++) {

            if (arguments.get(i) == node) {

                arguments.set(i, (Expression) replacementNode);

                return true;

            }

        }

        if (expression != null) {

            if (node == expression) {

                setExpression((Expression) replacementNode);

                return true;

            }

        }

        if (typeArguments != null) {

            for (int i = 0; i < typeArguments.size(); i++) {

                if (typeArguments.get(i) == node) {

                    typeArguments.set(i, (Type) replacementNode);

                    return true;

                }

            }

        }

        return super.replace(node, replacementNode);

    }

    @Override

    @Generated("com.github.javaparser.generator.core.node.TypeCastingGenerator")

    public boolean isExplicitConstructorInvocationStmt() {

        return true;

    }

    @Override

    @Generated("com.github.javaparser.generator.core.node.TypeCastingGenerator")

    public ExplicitConstructorInvocationStmt asExplicitConstructorInvocationStmt() {

        return this;

    }

    @Override

    @Generated("com.github.javaparser.generator.core.node.TypeCastingGenerator")

    public void ifExplicitConstructorInvocationStmt(Consumer<ExplicitConstructorInvocationStmt> action) {

        action.accept(this);

    }

    /**

     * Attempts to resolve the declaration corresponding to the invoked constructor. If successful, a

     * {@link ResolvedConstructorDeclaration} representing the declaration of the constructor invoked by this

     * {@code ExplicitConstructorInvocationStmt} is returned. Otherwise, an {@link UnsolvedSymbolException} is thrown.

     *

     * @return a {@link ResolvedConstructorDeclaration} representing the declaration of the invoked constructor.

     * @throws UnsolvedSymbolException if the declaration corresponding to the explicit constructor invocation statement

     *                                 could not be resolved.

     * @see NameExpr#resolve()

     * @see FieldAccessExpr#resolve()

     * @see MethodCallExpr#resolve()

     * @see ObjectCreationExpr#resolve()

     */

    public ResolvedConstructorDeclaration resolve() {

        return getSymbolResolver().resolveDeclaration(this, ResolvedConstructorDeclaration.class);

    }

    @Override

    @Generated("com.github.javaparser.generator.core.node.TypeCastingGenerator")

    public Optional<ExplicitConstructorInvocationStmt> toExplicitConstructorInvocationStmt() {

        return Optional.of(this);

    }

}