/*
 * SonarQube JavaScript Plugin
 * Copyright (C) 2011-2016 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.javascript.checks;

import org.sonar.check.Priority;
import org.sonar.check.Rule;
import org.sonar.plugins.javascript.api.tree.Tree.Kind;
import org.sonar.plugins.javascript.api.tree.statement.LabelledStatementTree;
import org.sonar.plugins.javascript.api.visitors.DoubleDispatchVisitorCheck;
import org.sonar.squidbridge.annotations.ActivatedByDefault;
import org.sonar.squidbridge.annotations.SqaleConstantRemediation;

@Rule(
  key = "LabelPlacement",
  name = "Only \"while\", \"do\" and \"for\" statements should be labelled",
  priority = Priority.MAJOR,
  tags = {Tags.PITFALL})
@ActivatedByDefault
@SqaleConstantRemediation("20min")
public class LabelPlacementCheck extends DoubleDispatchVisitorCheck {

  private static final String MESSAGE = "Remove this \"%s\" label.";

  private static final Kind[] ITERATION_STATEMENTS = {
    Kind.DO_WHILE_STATEMENT,
    Kind.WHILE_STATEMENT,
    Kind.FOR_IN_STATEMENT,
    Kind.FOR_OF_STATEMENT,
    Kind.FOR_STATEMENT
  };

  @Override
  public void visitLabelledStatement(LabelledStatementTree tree) {
    if (!tree.statement().is(ITERATION_STATEMENTS)) {
      addIssue(tree.label(), String.format(MESSAGE, tree.label().name()));
    }

    super.visitLabelledStatement(tree);
  }


}
