package net.sourceforge.fenixedu.applicationTier.Servico.person;

import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.HashSet;
import java.util.List;

import net.sourceforge.fenixedu.applicationTier.Servico.exceptions.FenixServiceException;
import net.sourceforge.fenixedu.domain.Person;
import net.sourceforge.fenixedu.domain.cardGeneration.CardGenerationEntry;
import net.sourceforge.fenixedu.domain.person.PersonNamePart;

import org.apache.commons.collections.Predicate;

import pt.utl.ist.fenix.tools.util.CollectionPager;

public class SearchPersonWithCard extends SearchPerson {

    @Override
    public CollectionPager<Person> run(SearchParameters searchParameters, Predicate predicate) throws FenixServiceException {
	CollectionPager<Person> acquiredPersons = super.run(searchParameters, predicate);

	if (searchParameters.emptyParameters()) {
	    return acquiredPersons;
	}

	final Collection<Person> persons;

	if (searchParameters.getName() != null) {
	    persons = new ArrayList<Person>();
	    persons.addAll(findPersons(searchParameters.getName()));
	} else {
	    persons = new ArrayList<Person>(0);
	}

	acquiredPersons.getCollection().addAll(persons);
	Collections.sort((List<Person>) acquiredPersons.getCollection(), Person.COMPARATOR_BY_NAME_AND_ID);
	return new CollectionPager<Person>(new HashSet<Person>(acquiredPersons.getCollection()), acquiredPersons
		.getMaxElementsPerPage());
    }

    private Collection<Person> findPersons(String searchName) {
	Collection<Person> persons = new ArrayList<Person>();

	for (CardGenerationEntry cardGenerationEntry : rootDomainObject.getCardGenerationEntriesSet()) {
	    if (cardGenerationEntry.getPerson() != null) {
		if (matchableSearchNameAndCardName(searchName, cardGenerationEntry.getLine().substring(178).trim().toLowerCase())) {
		    persons.add(cardGenerationEntry.getPerson());
		}
	    }
	}
	return persons;
    }

    private boolean matchableSearchNameAndCardName(String searchName, String cardName) {
	final String[] nameParts = PersonNamePart.getNameParts(searchName);
	if (nameParts.length > 0) {
	    for (final String namePart : nameParts) {
		if (cardName.indexOf(namePart) == -1) {
		    return false;
		}
	    }
	}
	return true;
    }
}