/**
 * Copyright (c) 2011-2021, JFXtras
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *    Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *    Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *    Neither the name of the organization nor the
 *       names of its contributors may be used to endorse or promote products
 *       derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL JFXTRAS BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package jfxtras.icalendarfx.properties.component.recurrence.rrule;

import java.time.DayOfWeek;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;

import jfxtras.icalendarfx.properties.component.recurrence.rrule.RRuleElement;
import jfxtras.icalendarfx.properties.component.recurrence.rrule.RRulePartBase;
import jfxtras.icalendarfx.properties.component.recurrence.rrule.WeekStart;

/**
 * Week Start
 * WKST:
 * RFC 5545 iCalendar 3.3.10, page 42
 * 
 * The WKST rule part specifies the day on which the workweek starts.
 * Valid values are MO, TU, WE, TH, FR, SA, and SU.  This is
 * significant when a WEEKLY "RRULE" has an interval greater than 1,
 * and a BYDAY rule part is specified.  This is also significant when
 * in a YEARLY "RRULE" when a BYWEEKNO rule part is specified.  The
 * default value is MO.
 */
public class WeekStart extends RRulePartBase<DayOfWeek, WeekStart>
{
    public static final DayOfWeek DEFAULT_WEEK_START = DayOfWeek.MONDAY;
    
    void setValue(String weekStart) { parseContent(weekStart); }
    public WeekStart withValue(String weekStart) { setValue(weekStart); return this; }
    
    public WeekStart(DayOfWeek dayOfWeek)
    {
        this();
        setValue(dayOfWeek);
    }
    
    public WeekStart()
    {
        super();
        setValue(DEFAULT_WEEK_START);
    }

    public WeekStart(WeekStart source)
    {
        this();
        setValue(source.getValue());
    }
    
    @Override
    public String toString()
    {
        return RRuleElement.fromClass(getClass()).toString() + "=" + getValue().toString().substring(0, 2);
    }

    @Override
    protected List<Message> parseContent(String content)
    {
    	String valueString = extractValue(content);
        DayOfWeek dayOfWeek = Arrays.stream(DayOfWeek.values())
            .filter(d -> d.toString().substring(0, 2).equals(valueString))
            .findAny()
            .get();
        setValue(dayOfWeek);
        return Collections.EMPTY_LIST;
    }
    
    public static WeekStart parse(String content)
    {
    	return WeekStart.parse(new WeekStart(), content);
    }
}
