package net.sourceforge.fenixedu.dataTransferObject.manager.academicCalendarManagement;

import java.io.Serializable;

import net.sourceforge.fenixedu.domain.DomainReference;
import net.sourceforge.fenixedu.domain.time.calendarStructure.AcademicCalendarEntry;
import net.sourceforge.fenixedu.domain.time.calendarStructure.AcademicCalendarRootEntry;

import org.joda.time.DateTime;
import org.joda.time.DateTimeFieldType;
import org.joda.time.Partial;
import org.joda.time.YearMonthDay;

import pt.utl.ist.fenix.tools.util.i18n.MultiLanguageString;

public class CalendarEntryBean implements Serializable {

    private MultiLanguageString title;

    private MultiLanguageString description;

    private DateTime begin;

    private DateTime end;

    private Class<? extends AcademicCalendarEntry> type;

    private Partial beginDateToDisplay;

    private Partial endDateToDisplay;

    private DomainReference<AcademicCalendarEntry> entryReference;

    private DomainReference<AcademicCalendarEntry> templateEntryReference;

    private DomainReference<AcademicCalendarRootEntry> selectedRootEntryReference;

    public CalendarEntryBean() {
    }

    public static CalendarEntryBean createAcademicCalendarBean(Partial begin, Partial end) {
	CalendarEntryBean bean = new CalendarEntryBean();
	bean.setBeginDateToDisplay(begin);
	bean.setEndDateToDisplay(end);
	bean.setType(AcademicCalendarRootEntry.class);
	return bean;
    }

    public static CalendarEntryBean createCalendarEntryBeanToCreateEntry(AcademicCalendarRootEntry rootEntry,
	    AcademicCalendarEntry parentEntry, Partial begin, Partial end) {

	CalendarEntryBean bean = new CalendarEntryBean();
	bean.setRootEntry(rootEntry);
	bean.setEntry(parentEntry);
	bean.setBeginDateToDisplay(begin);
	bean.setEndDateToDisplay(end);
	return bean;
    }

    public static CalendarEntryBean createCalendarEntryBeanToEditEntry(AcademicCalendarRootEntry rootEntry,
	    AcademicCalendarEntry entry, Partial begin, Partial end) {

	CalendarEntryBean bean = new CalendarEntryBean();

	bean.setRootEntry(rootEntry);
	bean.setEntry(entry);
	bean.setBeginDateToDisplay(begin);
	bean.setEndDateToDisplay(end);

	bean.setTemplateEntry(entry.getTemplateEntry());
	bean.setType(entry.getClass());
	bean.setTitle(entry.getTitle());
	bean.setDescription(entry.getDescription());
	bean.setBegin(entry.getBegin());
	bean.setEnd(entry.getEnd());

	return bean;
    }

    public AcademicCalendarRootEntry getAcademicCalendar() {
	return getEntry().getRootEntry();
    }

    public AcademicCalendarRootEntry getRootEntry() {
	return selectedRootEntryReference == null ? null : selectedRootEntryReference.getObject();
    }

    public void setRootEntry(AcademicCalendarRootEntry entry) {
	this.selectedRootEntryReference = entry == null ? null : new DomainReference<AcademicCalendarRootEntry>(entry);
    }

    public AcademicCalendarEntry getTemplateEntry() {
	return templateEntryReference == null ? null : templateEntryReference.getObject();
    }

    public void setTemplateEntry(AcademicCalendarEntry entry) {
	this.templateEntryReference = entry == null ? null : new DomainReference<AcademicCalendarEntry>(entry);
    }

    public AcademicCalendarEntry getEntry() {
	return entryReference == null ? null : entryReference.getObject();
    }

    public void setEntry(AcademicCalendarEntry academicCalendarEntry) {
	this.entryReference = academicCalendarEntry == null ? null : new DomainReference<AcademicCalendarEntry>(
		academicCalendarEntry);
    }

    public Class<? extends AcademicCalendarEntry> getType() {
	return type;
    }

    public void setType(Class<? extends AcademicCalendarEntry> type) {
	this.type = type;
    }

    public Partial getBeginDateToDisplay() {
	return beginDateToDisplay;
    }

    public void setBeginDateToDisplay(Partial beginDateToDisplay) {
	this.beginDateToDisplay = beginDateToDisplay;
    }

    public Partial getEndDateToDisplay() {
	return endDateToDisplay;
    }

    public void setEndDateToDisplay(Partial endDateToDisplay) {
	this.endDateToDisplay = endDateToDisplay;
    }

    public MultiLanguageString getTitle() {
	return title;
    }

    public void setTitle(MultiLanguageString title) {
	this.title = title;
    }

    public MultiLanguageString getDescription() {
	return description;
    }

    public void setDescription(MultiLanguageString description) {
	this.description = description;
    }

    public DateTime getBegin() {
	return begin;
    }

    public void setBegin(DateTime begin) {
	this.begin = begin;
    }

    public DateTime getEnd() {
	return end;
    }

    public void setEnd(DateTime end) {
	this.end = end;
    }

    public String getBeginPartialString() {
	return getPartialString(getBeginDateToDisplay());
    }

    public String getEndPartialString() {
	return getPartialString(getEndDateToDisplay());
    }

    public static String getPartialString(Partial partial) {
	return partial.toString("MMyyyy");
    }

    public static Partial getPartialFromString(String date) {
	Integer month = Integer.valueOf(date.substring(0, 2));
	Integer year = Integer.valueOf(date.substring(2));
	return new Partial(new DateTimeFieldType[] { DateTimeFieldType.year(), DateTimeFieldType.monthOfYear() }, new int[] {
		year.intValue(), month.intValue() });
    }

    public static Partial getPartialFromYearMonthDay(YearMonthDay day) {
	return new Partial(new DateTimeFieldType[] { DateTimeFieldType.year(), DateTimeFieldType.monthOfYear() }, new int[] {
		day.getYear(), day.getMonthOfYear() });
    }

    private static YearMonthDay getDateFromPartial(Partial partial) {
	return new YearMonthDay(partial.get(DateTimeFieldType.year()), partial.get(DateTimeFieldType.monthOfYear()), 1);
    }

    public YearMonthDay getBeginDateToDisplayInYearMonthDayFormat() {
	return getDateFromPartial(getBeginDateToDisplay());
    }

    public YearMonthDay getEndDateToDisplayInYearMonthDayFormat() {
	return getDateFromPartial(getEndDateToDisplay());
    }
}