/*

 * 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.modules;

import com.github.javaparser.TokenRange;

import com.github.javaparser.ast.*;

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

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

import com.github.javaparser.ast.nodeTypes.modifiers.NodeWithStaticModifier;

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.ModuleRequiresDirectiveMetaModel;

import java.util.Optional;

import java.util.function.Consumer;

import static com.github.javaparser.ast.Modifier.Keyword.TRANSITIVE;

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

/**

 * A require directive in module-info.java. {@code require a.b.C;}

 */

public class ModuleRequiresDirective extends ModuleDirective implements NodeWithStaticModifier<ModuleRequiresDirective>, NodeWithName<ModuleRequiresDirective> {

    private NodeList<Modifier> modifiers;

    private Name name;

    public ModuleRequiresDirective() {

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

    }

    @AllFieldsConstructor

    public ModuleRequiresDirective(NodeList<Modifier> modifiers, Name name) {

        this(null, modifiers, name);

    }

    /**

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

     */

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

    public ModuleRequiresDirective(TokenRange tokenRange, NodeList<Modifier> modifiers, Name name) {

        super(tokenRange);

        setModifiers(modifiers);

        setName(name);

        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<Modifier> getModifiers() {

        return modifiers;

    }

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

    public ModuleRequiresDirective setModifiers(final NodeList<Modifier> modifiers) {

        assertNotNull(modifiers);

        if (modifiers == this.modifiers) {

            return this;

        }

        notifyPropertyChange(ObservableProperty.MODIFIERS, this.modifiers, modifiers);

        if (this.modifiers != null)

            this.modifiers.setParentNode(null);

        this.modifiers = modifiers;

        setAsParentNodeOf(modifiers);

        return this;

    }

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

    public Name getName() {

        return name;

    }

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

    public ModuleRequiresDirective setName(final Name name) {

        assertNotNull(name);

        if (name == this.name) {

            return this;

        }

        notifyPropertyChange(ObservableProperty.NAME, this.name, name);

        if (this.name != null)

            this.name.setParentNode(null);

        this.name = name;

        setAsParentNodeOf(name);

        return this;

    }

    public boolean isTransitive() {

        return hasModifier(TRANSITIVE);

    }

    public ModuleRequiresDirective setTransitive(boolean set) {

        return setModifier(TRANSITIVE, set);

    }

    @Override

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

    public boolean remove(Node node) {

        if (node == null)

            return false;

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

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

                modifiers.remove(i);

                return true;

            }

        }

        return super.remove(node);

    }

    @Override

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

    public ModuleRequiresDirective clone() {

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

    }

    @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 < modifiers.size(); i++) {

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

                modifiers.set(i, (Modifier) replacementNode);

                return true;

            }

        }

        if (node == name) {

            setName((Name) replacementNode);

            return true;

        }

        return super.replace(node, replacementNode);

    }

    @Override

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

    public boolean isModuleRequiresStmt() {

        return true;

    }

    @Override

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

    public ModuleRequiresDirective asModuleRequiresStmt() {

        return this;

    }

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

    public void ifModuleRequiresStmt(Consumer<ModuleRequiresDirective> action) {

        action.accept(this);

    }

    @Override

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

    public Optional<ModuleRequiresDirective> toModuleRequiresStmt() {

        return Optional.of(this);

    }

    @Override

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

    public boolean isModuleRequiresDirective() {

        return true;

    }

    @Override

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

    public ModuleRequiresDirective asModuleRequiresDirective() {

        return this;

    }

    @Override

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

    public Optional<ModuleRequiresDirective> toModuleRequiresDirective() {

        return Optional.of(this);

    }

    @Override

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

    public void ifModuleRequiresDirective(Consumer<ModuleRequiresDirective> action) {

        action.accept(this);

    }

    @Override

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

    public ModuleRequiresDirectiveMetaModel getMetaModel() {

        return JavaParserMetaModel.moduleRequiresDirectiveMetaModel;

    }

}