/*
    * Copyright (c) 2020 bahlef.
    * All rights reserved. This program and the accompanying materials
    * are made available under the terms of the Eclipse Public License v2.0
    * which accompanies this distribution, and is available at
    * http://www.eclipse.org/legal/epl-v20.html
    * Contributors:
    * bahlef - initial API and implementation and/or initial documentation
    */
  package de.funfried.netbeans.plugins.external.formatter.javascript.base;
  
  import java.util.Collections;
  import java.util.List;
  import java.util.SortedSet;
  
  import javax.swing.text.BadLocationException;
  import javax.swing.text.StyledDocument;
  
  import org.apache.commons.lang3.tuple.Pair;
  
  import de.funfried.netbeans.plugins.external.formatter.FormatJob;
  import de.funfried.netbeans.plugins.external.formatter.FormatterService;
  import de.funfried.netbeans.plugins.external.formatter.MimeType;
  import de.funfried.netbeans.plugins.external.formatter.exceptions.FormattingFailedException;
  
  /**
   * Abstract base implementation of {@link FormatterService} for javascript formatters.
   *
   * @author bahlef
   */
  public abstract class AbstractJavascriptFormatterService implements FormatterService {
  	/**
  	 * Returns the {@link FormatJob}.
  	 *
  	 * @param document the {@link StyledDocument} which should be formatted
  	 * @param changedElement an optional range as a {@link Pair} object defining the offsets which should be formatted
  	 */
  	protected abstract FormatJob getFormatJob(StyledDocument document, Pair<Integer, Integer> changedElement);
  
  	/**
  	 * {@inheritDoc}
  	 */
  	@Override
  	public boolean format(StyledDocument document, SortedSet<Pair<Integer, Integer>> changedElements) throws BadLocationException, FormattingFailedException {
  		if (!canHandle(document)) {
  			throw new FormattingFailedException("The file type '" + MimeType.getMimeTypeAsString(document) + "' is not supported");
  		}
  
  		getFormatJob(document, changedElements != null ? changedElements.first() : null).format();
  
  		return true;
  	}
  
  	/**
  	 * {@inheritDoc}
  	 */
  	@Override
  	public List<MimeType> getSupportedMimeTypes() {
  		return Collections.singletonList(MimeType.JAVASCRIPT);
  	}
  }