package net.sourceforge.fenixedu.domain.teacher;

import net.sourceforge.fenixedu.domain.ExecutionYear;
import net.sourceforge.fenixedu.domain.RootDomainObject;
import net.sourceforge.fenixedu.domain.Teacher;
import net.sourceforge.fenixedu.util.RegimeType;
import net.sourceforge.zas.utils.PropertiesManager;

import org.apache.commons.lang.StringUtils;
import org.joda.time.YearMonthDay;

import pt.ist.utl.fenix.utils.Pair;

/**
 * @author Paulo Costa (paulo.costa@iscte.pt)
 *
 */
public class Rebides extends Rebides_Base {
    
    public  Rebides() {
        super();
        setRootDomainObject(RootDomainObject.getInstance()); 
    }
    
    public static Double getDefaultMinRebides(){
	final String prop = PropertiesManager.getProperty("softplanning.rebides.default.min");
	if (!StringUtils.isEmpty(prop)) {
	    return Double.valueOf(prop);
	}
	return 6.0;
    }
    
    public static Double getDefaultMaxRebides(){
	final String prop = PropertiesManager.getProperty("softplanning.rebides.default.max");
	if (!StringUtils.isEmpty(prop)) {
	    return Double.valueOf(prop);
	}
	return 6.0;
    }
    
    public static Pair<Double, Double> getMinAndMaxFromTeacherForExecutionYear(Teacher teacher, ExecutionYear executionYear) {
	final Pair<Double, Double> result = new Pair<Double, Double>(getDefaultMinRebides(), getDefaultMaxRebides());

	final YearMonthDay beginDate = executionYear.getBeginDateYearMonthDay();
	final YearMonthDay endDate = executionYear.getEndDateYearMonthDay();
	final TeacherProfessionalSituation tps = teacher.getLastLegalRegimenWithoutSpecialSituations(beginDate, endDate);

	if (tps != null) {

	    TeacherStatistics ts = null;
	    for (final TeacherStatistics aux : teacher.getStatistic()) {
		if (aux.executionYearBelongs(executionYear)) {
		    ts = aux;
		    break;
		}
	    }

	    for (final Rebides r : RootDomainObject.getInstance().getRebides()) {
		if (r.getCategory().equals(tps.getCategory()) && r.getRegimeType().equals(tps.getRegimeType())) {
		    final Integer percentage = tps.getPercentage() > 100 ? 100 : tps.getPercentage();
		    if ((ts != null && ts.getPercentage().equals(r.getPercentage())) || r.getPercentage().equals(percentage)) {
			return new Pair<Double, Double>(r.getMinor(), r.getMajor());
		    }
		}
	    }
	}
	return result;
    }

    /**
     * Gets the rebides value by with the given category regimeType and pecentage
     * @param cat
     * @param regimeType
     * @param percentage
     * @return
     */
    public static Rebides getByCategoryAndRegimeAndPercentage(final Category cat, final RegimeType regimeType, final Integer percentage) {
	if (cat != null && regimeType != null && percentage != null) {
	    for (final Rebides r : RootDomainObject.getInstance().getRebides()) {
		if (cat.equals(r.getCategory()) && regimeType.equals(r.getRegimeType()) && percentage.equals(r.getPercentage())) {
		    return r;
		}
	    }
	}
	return null;
    }

    public void delete() {	
	removeCategory();
	removeRootDomainObject();
	deleteDomainObject();
    }
}