/*=============================================================================#
 # Copyright (c) 2007, 2021 Stephan Wahlbrink and others.
 # 
 # This program and the accompanying materials are made available under the
 # terms of the Eclipse Public License 2.0 which is available at
 # https://www.eclipse.org/legal/epl-2.0, or the Apache License, Version 2.0
 # which is available at https://www.apache.org/licenses/LICENSE-2.0.
 # 
 # SPDX-License-Identifier: EPL-2.0 OR Apache-2.0
 # 
 # Contributors:
 #     Stephan Wahlbrink <sw@wahlbrink.eu> - initial API and implementation
 #=============================================================================*/

package org.eclipse.statet.internal.r.ui;

import java.util.Arrays;
import java.util.Map;

import org.eclipse.statet.ecommons.preferences.AbstractPreferencesModelObject;
import org.eclipse.statet.ecommons.preferences.core.Preference;
import org.eclipse.statet.ecommons.preferences.core.Preference.StringArrayPref;
import org.eclipse.statet.ecommons.preferences.core.PreferenceAccess;

import org.eclipse.statet.r.core.RSymbolComparator;
import org.eclipse.statet.r.ui.RUI;
import org.eclipse.statet.r.ui.RUIPreferenceConstants;


/**
 * 
 */
public class RIdentifierGroups extends AbstractPreferencesModelObject {
	
	
	public final static String GROUP_ID = "r.editor/identifiergroups"; //$NON-NLS-1$
	
	
	private String[] fIdentifiersItemsAssignment;
	private String[] fIdentifiersItemsLogical;
	private String[] fIdentifiersItemsFlowcontrol;
	private String[] fIdentifiersItemsCustom1;
	private String[] fIdentifiersItemsCustom2;
	
	
	public RIdentifierGroups() {
		installLock();
	}
	
	@Override
	public String[] getNodeQualifiers() {
		return new String[0];
	}
	
	@Override
	public void loadDefaults() {
	}
	
	@Override
	public void load(final PreferenceAccess prefs) {
		final RSymbolComparator comparator = new RSymbolComparator();
		fIdentifiersItemsAssignment = loadValues(prefs, RUIPreferenceConstants.R.TS_IDENTIFIER_SUB_ASSIGNMENT_ITEMS);
		Arrays.sort(fIdentifiersItemsAssignment, comparator);
		fIdentifiersItemsLogical = loadValues(prefs, RUIPreferenceConstants.R.TS_IDENTIFIER_SUB_LOGICAL_ITEMS);
		Arrays.sort(fIdentifiersItemsLogical, comparator);
		fIdentifiersItemsFlowcontrol = loadValues(prefs, RUIPreferenceConstants.R.TS_IDENTIFIER_SUB_FLOWCONTROL_ITEMS);
		Arrays.sort(fIdentifiersItemsFlowcontrol, comparator);
		fIdentifiersItemsCustom1 = loadValues(prefs, RUIPreferenceConstants.R.TS_IDENTIFIER_SUB_CUSTOM1_ITEMS);
		Arrays.sort(fIdentifiersItemsCustom1, comparator);
		fIdentifiersItemsCustom2 = loadValues(prefs, RUIPreferenceConstants.R.TS_IDENTIFIER_SUB_CUSTOM2_ITEMS);
		Arrays.sort(fIdentifiersItemsCustom2, comparator);
	}
	
	@Override
	public Map<Preference<?>, Object> deliverToPreferencesMap(final Map<Preference<?>, Object> map) {
		return map;
	}
	
	private final String[] loadValues(final PreferenceAccess prefs, final String key) {
		final Preference<String[]> pref = new StringArrayPref(RUI.BUNDLE_ID, key);
		return prefs.getPreferenceValue(pref);
	}
	
	
	public String[] getAssignmentIdentifiers() {
		return fIdentifiersItemsAssignment;
	}
	
	public String[] getLogicalIdentifiers() {
		return fIdentifiersItemsLogical;
	}
	
	public String[] getFlowcontrolIdentifiers() {
		return fIdentifiersItemsFlowcontrol;
	}
	
	public String[] getCustom1Identifiers() {
		return fIdentifiersItemsCustom1;
	}
	
	public String[] getCustom2Identifiers() {
		return fIdentifiersItemsCustom2;
	}
	
}