/*
    * 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.xml.revelc;
  
  import java.util.prefs.Preferences;
  
  import javax.swing.SwingUtilities;
  import javax.swing.text.BadLocationException;
  import javax.swing.text.StyledDocument;
  
  import org.netbeans.editor.BaseDocument;
  import org.openide.awt.NotificationDisplayer;
  import org.openide.awt.StatusDisplayer;
  
  import de.funfried.netbeans.plugins.external.formatter.AbstractFormatJob;
  import de.funfried.netbeans.plugins.external.formatter.ui.Icons;
  import de.funfried.netbeans.plugins.external.formatter.ui.options.Settings;
  import net.revelc.code.formatter.xml.lib.FormattingPreferences;
  
  /**
   * revelc.net formatter implementation of the {@link AbstractFormatJob} to
   * format a given document using the {@link RevelcXmlFormatterWrapper}.
   *
   * @author bahlef
   */
  class RevelcFormatJob extends AbstractFormatJob {
  	/** The {@link RevelcXmlFormatterWrapper} implementation. */
  	private final RevelcXmlFormatterWrapper formatter;
  
  	/**
  	 * Package private constructor to create a new instance of {@link RevelcFormatJob}.
  	 *
  	 * @param document the {@link StyledDocument} which sould be formatted
  	 * @param formatter the {@link RevelcXmlFormatterWrapper} to use
  	 */
  	RevelcFormatJob(StyledDocument document, RevelcXmlFormatterWrapper formatter) {
  		super(document, null);
  
  		this.formatter = formatter;
  	}
  
  	/**
  	 * {@inheritDoc}
  	 */
  	@Override
  	public void format() throws BadLocationException {
  		Preferences pref = Settings.getActivePreferences(document);
  
  		boolean tabInsteadOfSpaces = pref.getBoolean(RevelcXmlFormatterSettings.TAB_INSTEAD_OF_SPACES, true);
  		boolean splitMultiAttrs = pref.getBoolean(RevelcXmlFormatterSettings.SPLIT_MULTI_ATTRIBUTES, false);
  		boolean wrapLongLines = pref.getBoolean(RevelcXmlFormatterSettings.WRAP_LONG_LINES, true);
  		int tabWidth = pref.getInt(RevelcXmlFormatterSettings.TAB_WIDTH, 4);
  		int maxLineLength = pref.getInt(RevelcXmlFormatterSettings.MAX_LINE_LENGTH, 120);
  		String wellFormedValidation = pref.get(RevelcXmlFormatterSettings.WELL_FORMED_VALIDATION, FormattingPreferences.WARN);
  		String lineFeedSetting = pref.get(RevelcXmlFormatterSettings.LINEFEED, "");
  
  		FormattingPreferences prefs = new FormattingPreferences();
  		prefs.setMaxLineLength(maxLineLength);
  		prefs.setSplitMultiAttrs(splitMultiAttrs);
  		prefs.setTabInsteadOfSpaces(tabInsteadOfSpaces);
  		prefs.setTabWidth(tabWidth);
  		prefs.setWellFormedValidation(wellFormedValidation);
  		prefs.setWrapLongLines(wrapLongLines);
  
  		//save with configured linefeed
  		String lineFeed = Settings.getLineFeed(lineFeedSetting, System.getProperty("line.separator"));
  		if (null != lineFeed) {
  			document.putProperty(BaseDocument.READ_LINE_SEPARATOR_PROP, lineFeed);
  			document.putProperty(BaseDocument.WRITE_LINE_SEPARATOR_PROP, lineFeed);
  		}
  
  		String code = getCode();
  
  		String formattedContent = formatter.format(code, lineFeed, prefs);
  		if (setFormattedCode(code, formattedContent)) {
  			SwingUtilities.invokeLater(() -> {
  				if (pref.getBoolean(Settings.SHOW_NOTIFICATIONS, false)) {
  					NotificationDisplayer.getDefault().notify("Format using revelc XML formatter", Icons.ICON_REVELC, "", null);
  				}
  
  				StatusDisplayer.getDefault().setStatusText("Format using revelc XML formatter");
  			});
  		}
  	}
  }