package net.sourceforge.fenixedu.dataTransferObject;

import java.util.ArrayList;
import java.util.List;

import net.sourceforge.fenixedu.domain.DomainReference;
import net.sourceforge.fenixedu.domain.ExecutionSemester;
import net.sourceforge.fenixedu.domain.ExecutionYear;
import net.sourceforge.fenixedu.presentationTier.Action.manager.FileContentCreationBean.EducationalResourceType;
import pt.utl.ist.fenix.tools.file.FileSearchCriteria;
import pt.utl.ist.fenix.tools.file.FileSearchCriteria.SearchField;
import pt.utl.ist.fenix.tools.file.FilesetMetadataQuery.ConjunctionType;

public class SearchDSpaceCoursesBean extends SearchDSpaceBean {

    DomainReference<ExecutionYear> executionYear;
    DomainReference<ExecutionSemester> executionSemester;
    List<EducationalResourceType> educationalResourceTypes;

    public SearchDSpaceCoursesBean() {
	super();
	this.setExecutionYear(null);
	this.setExecutionPeriod(null);
	this.educationalResourceTypes = new ArrayList<EducationalResourceType>();
    }

    public List<EducationalResourceType> getEducationalResourceTypes() {
	return educationalResourceTypes;
    }

    public void setEducationalResourceTypes(List<EducationalResourceType> educationalResourceTypes) {
	this.educationalResourceTypes = educationalResourceTypes;
    }

    public ExecutionYear getExecutionYear() {
	return executionYear.getObject();
    }

    public void setExecutionYear(ExecutionYear executionYear) {
	this.executionYear = new DomainReference<ExecutionYear>(executionYear);
    }

    public ExecutionSemester getExecutionPeriod() {
	return executionSemester.getObject();
    }

    public void setExecutionPeriod(ExecutionSemester executionSemester) {
	this.executionSemester = new DomainReference<ExecutionSemester>(executionSemester);
    }

    @Override
    public String getSearchElementsAsParameters() {
	String parameters = super.getSearchElementsAsParameters();
	for (EducationalResourceType type : getEducationalResourceTypes()) {
	    parameters += "&amp;type=" + type.toString();
	}
	ExecutionYear executionYear = getExecutionYear();
	ExecutionSemester period = getExecutionPeriod();
	if (executionYear != null) {
	    parameters += "&amp;executionYearId=" + getExecutionYear().getIdInternal();
	}
	if (period != null) {
	    parameters += "&amp;executionPeriodId=" + getExecutionPeriod().getIdInternal();
	}
	return parameters;
    }

    @Override
    public FileSearchCriteria getSearchCriteria(int start) {

	FileSearchCriteria criteria = new FileSearchCriteria(start, pageSize);
	List<SearchElement> elements = getSearchElements();

	if (hasSearchElements()) {
	    for (EducationalResourceType type : getEducationalResourceTypes()) {
		criteria.addExactMatchOrCriteria(SearchField.TYPE, type.getType());
	    }
	    for (SearchElement element : elements) {
		if (element.getConjunction().equals(ConjunctionType.AND)) {
		    criteria.addAndCriteria(element.getSearchField(), element.getQueryValue());
		}
		if (element.getConjunction().equals(ConjunctionType.OR)) {
		    criteria.addOrCriteria(element.getSearchField(), element.getQueryValue());
		}
	    }
	}
	return criteria;
    }
}