/**
 * 
 */
package pt.ist.renderers.extensions;

import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.List;
import java.util.Locale;

import org.apache.commons.collections.Predicate;

import pt.ist.renderers.components.HtmlComponent;
import pt.ist.renderers.components.HtmlContainer;
import pt.ist.renderers.components.HtmlInlineContainer;
import pt.ist.renderers.components.HtmlScript;
import pt.ist.renderers.components.HtmlTextInput;
import pt.ist.renderers.layouts.Layout;
import pt.ist.renderers.utils.RenderUtils;

/**
 * @author Joao Carvalho (joao.pedro.carvalho@ist.utl.pt)
 * 
 */
public class IntervalAsDatesInputRendererWithPicker extends IntervalAsDatesInputRenderer {

    private String image;

    public String getImage() {
	return image;
    }

    public void setImage(String image) {
	this.image = image;
    }

    @Override
    protected Layout getLayout(Object object, Class type) {
	return new IntervalLayoutWithPicker(new SimpleDateFormat(getDateFormat(), getLocale()));
    }

    public class IntervalLayoutWithPicker extends IntervalLayout {

	/**
	 * @param simpleDateFormat
	 */
	public IntervalLayoutWithPicker(DateFormat simpleDateFormat) {
	    super(simpleDateFormat, getStartLabel(), getEndLabel());
	}

	@Override
	public HtmlComponent createComponent(Object object, Class type) {
	    HtmlComponent originalComponent = super.createComponent(object, type);

	    List<HtmlComponent> components = originalComponent.getChildren();

	    for (HtmlComponent component : components) {
		if (component instanceof HtmlContainer) {

		    HtmlTextInput field = (HtmlTextInput) component.getChild(new Predicate() {

			@Override
			public boolean evaluate(Object field) {
			    return (field instanceof HtmlTextInput);
			}
		    });

		    ((HtmlContainer) component).addChild(getCalendarScript(field.getName()));

		}
	    }

	    return originalComponent;
	}

	protected HtmlInlineContainer getCalendarScript(String inputId) {
	    HtmlInlineContainer container = new HtmlInlineContainer();

	    String scriptText = "$(function() { $(\"input[name='" + RenderUtils.escapeId(inputId)
		    + "']\").datepicker({showOn: 'button', buttonImage: '" + getImage()
		    + "', buttonImageOnly: true, firstDay: 1, currentText: '"
		    + RenderUtils.getResourceString("RENDERER_RESOURCES", "renderers.datePicker.currentText") + "', monthNames: "
		    + RenderUtils.getResourceString("RENDERER_RESOURCES", "renderers.datePicker.monthNames")
		    + ", monthNamesShort: "
		    + RenderUtils.getResourceString("RENDERER_RESOURCES", "renderers.datePicker.monthNamesShort")
		    + ", dayNamesShort: "
		    + RenderUtils.getResourceString("RENDERER_RESOURCES", "renderers.datePicker.dayNamesShort")
		    + ", dayNamesMin: " + RenderUtils.getResourceString("RENDERER_RESOURCES", "renderers.datePicker.dayNamesMin")
		    + ", dateFormat: '" + getInputFormatForCalendar() + "'});});";

	    HtmlScript calendarScript = new HtmlScript();
	    calendarScript.setContentType("text/javascript");
	    calendarScript.setScript(scriptText);
	    container.addChild(calendarScript);

	    return container;
	}

	protected String getInputFormatForCalendar() {
	    Locale locale = getLocale();
	    SimpleDateFormat format = new SimpleDateFormat(getDateFormat(), locale);

	    Calendar c = Calendar.getInstance();

	    c.set(Calendar.YEAR, 1999);
	    c.set(Calendar.MONTH, 11);
	    c.set(Calendar.DAY_OF_MONTH, 24);

	    String dateStringFormatted = format.format(c.getTime());
	    dateStringFormatted = dateStringFormatted.replace("1999", "yy");
	    dateStringFormatted = dateStringFormatted.replace("99", "y");
	    dateStringFormatted = dateStringFormatted.replace("12", "mm");
	    dateStringFormatted = dateStringFormatted.replace("24", "dd");

	    return dateStringFormatted;
	}

    }

}