/*
 * SonarQube Java
 * Copyright (C) 2012-2016 SonarSource SA
 * mailto:contact AT sonarsource DOT com
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of 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.
 *
 * This program 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.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */
package org.sonar.java.ast.parser;

import com.google.common.collect.ImmutableList;
import com.google.common.collect.Iterables;
import org.sonar.java.model.InternalSyntaxToken;
import org.sonar.plugins.java.api.tree.Arguments;
import org.sonar.plugins.java.api.tree.ExpressionTree;
import org.sonar.plugins.java.api.tree.SyntaxToken;
import org.sonar.plugins.java.api.tree.Tree;

import javax.annotation.Nullable;
import java.util.Collections;
import java.util.List;

public class ArgumentListTreeImpl extends ListTreeImpl<ExpressionTree> implements Arguments {

  private InternalSyntaxToken openParenToken;
  private InternalSyntaxToken closeParenToken;

  public ArgumentListTreeImpl(InternalSyntaxToken openParenToken, InternalSyntaxToken closeParenToken) {
    super(JavaLexer.ARGUMENTS, ImmutableList.<ExpressionTree>of(), ImmutableList.<SyntaxToken>of());

    this.openParenToken = openParenToken;
    this.closeParenToken = closeParenToken;
  }

  public ArgumentListTreeImpl(InternalSyntaxToken openParenToken, ExpressionTree expression, InternalSyntaxToken closeParenToken) {
    super(JavaLexer.ARGUMENTS, ImmutableList.of(expression), ImmutableList.<SyntaxToken>of());

    this.openParenToken = openParenToken;
    this.closeParenToken = closeParenToken;
  }

  public ArgumentListTreeImpl(List<ExpressionTree> expressions, List<SyntaxToken> separators) {
    super(JavaLexer.ARGUMENTS, expressions, separators);
  }

  public ArgumentListTreeImpl complete(InternalSyntaxToken openParenToken, InternalSyntaxToken closeParenToken) {
    this.openParenToken = openParenToken;
    this.closeParenToken = closeParenToken;

    return this;
  }

  @Nullable
  @Override
  public SyntaxToken openParenToken() {
    return openParenToken;
  }

  @Nullable
  @Override
  public SyntaxToken closeParenToken() {
    return closeParenToken;
  }

  @Override
  public Tree.Kind kind() {
    return Tree.Kind.ARGUMENTS;
  }

  @Override
  public Iterable<Tree> children() {
    return Iterables.concat(
      openParenToken != null ? Collections.singletonList(openParenToken) : Collections.<Tree>emptyList(),
      super.children(),
      closeParenToken != null ? Collections.singletonList(closeParenToken) : Collections.<Tree>emptyList());
  }
}