package pt.ist.renderers.extensions;

import java.util.Calendar;
import java.util.Date;

import org.joda.time.DateTime;
import org.joda.time.DateTimeFieldType;
import org.joda.time.Duration;
import org.joda.time.TimeOfDay;

import pt.ist.renderers.DateRenderer;
import pt.ist.renderers.components.HtmlComponent;
import pt.ist.renderers.components.HtmlText;
import pt.ist.renderers.layouts.Layout;

public class DurationRenderer extends DateRenderer {

    private boolean showFormat;

    private Duration duration;

    public DurationRenderer() {
	super();
	this.showFormat = false;
    }

    public boolean isShowFormat() {
	return showFormat;
    }

    /**
     * 
     * @property
     */
    public void setShowFormat(boolean showFormat) {
	this.showFormat = showFormat;
    }

    @Override
    public String getFormat() {
	if (isFormatSet()) {
	    return super.getFormat();
	}
	String format = "HH:mm:ss";
	return format.trim();
    }

    @Override
    protected Layout getLayout(Object object, Class type) {
	duration = (Duration) object;
	DateTime dateTime = TimeOfDay.MIDNIGHT.toDateTimeToday().plus(duration.toPeriod());
	final Date date = dateTime != null ? convertDateTimeToCalendar(dateTime).getTime() : null;

	final Layout superLayout = super.getLayout(date, type);

	return new Layout() {

	    @Override
	    public HtmlComponent createComponent(Object object, Class type) {
		HtmlText text = (HtmlText) superLayout.createComponent(date, type);

		String formatText = isShowFormat() ? " (" + getFormat() + ")" : "";
		text.setText(text.getText() + formatText);

		return text;
	    }

	};
    }

    private Calendar convertDateTimeToCalendar(DateTime dt) {
	Calendar calendar = Calendar.getInstance();
	calendar.clear();
	calendar.set(Calendar.HOUR_OF_DAY, dt.get(DateTimeFieldType.hourOfDay()));
	calendar.set(Calendar.MINUTE, dt.get(DateTimeFieldType.minuteOfHour()));
	calendar.set(Calendar.SECOND, dt.get(DateTimeFieldType.secondOfMinute()));
	return calendar;
    }
}