/*
 * @(#)SearchAnnouncementProcess.java
 *
 * Copyright 2009 Instituto Superior Tecnico
 * Founding Authors: Luis Cruz, Nuno Ochoa, Paulo Abrantes
 * 
 *      https://fenix-ashes.ist.utl.pt/
 * 
 *   This file is part of the Expenditure Tracking Module.
 *
 *   The Expenditure Tracking Module is free software: you can
 *   redistribute it and/or modify it under the terms of the GNU Lesser General
 *   Public License as published by the Free Software Foundation, either version 
 *   3 of the License, or (at your option) any later version.
 *
 *   The Expenditure Tracking Module is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 *   GNU Lesser General Public License for more details.
 *
 *   You should have received a copy of the GNU Lesser General Public License
 *   along with the Expenditure Tracking Module. If not, see <http://www.gnu.org/licenses/>.
 * 
 */
package pt.ist.expenditureTrackingSystem.domain.announcements;

import java.util.Collection;
import java.util.Collections;
import java.util.Set;

import module.finance.util.Money;

import org.apache.commons.lang.StringUtils;
import org.fenixedu.commons.StringNormalizer;

import pt.ist.expenditureTrackingSystem.domain.Search;
import pt.ist.expenditureTrackingSystem.domain.organization.Person;
import pt.ist.expenditureTrackingSystem.domain.processes.GenericProcess;

/**
 * 
 * @author Paulo Abrantes
 * @author Luis Cruz
 * 
 */
public class SearchAnnouncementProcess extends Search<AnnouncementProcess> {

    private String publisherName;
    private String supplierName;
    private Money totalPrice;
    private String requestingUnitName;
    private AnnouncementProcessStateType processStateType;

    private class SearchAnnouncementResult extends SearchResultSet<AnnouncementProcess> {

        public SearchAnnouncementResult(Collection<? extends AnnouncementProcess> c) {
            super(c);
        }

        @Override
        protected boolean matchesSearchCriteria(final AnnouncementProcess announcementProcess) {
            final Person loggedPerson = Person.getLoggedPerson();
            return announcementProcess.isVisible(loggedPerson) && matchCriteria(announcementProcess);
        }

        private boolean matchCriteria(AnnouncementProcess announcementProcess) {

            CCPAnnouncement a = announcementProcess.getAnnouncement();
            return matchCriteria(a.getPublisher().getUser().getName(), getPublisherName())
                    && matchCriteria(a.getSupplier().getName(), getSupplierName())
                    && matchCriteria(a.getTotalPrice(), getTotalPrice())
                    && matchCriteria(a.getRequestingUnitName(), getRequestingUnitName())
                    && matchCriteria(announcementProcess.getAnnouncementProcessStateType(), getProcessStateType());
        }

        private boolean matchCriteria(final AnnouncementProcessStateType value, final AnnouncementProcessStateType criteria) {
            return criteria == null || value == criteria;
        }

        protected boolean matchCriteria(Money recordPrice, Money inputPrice) {
            return inputPrice == null || recordPrice.isLessThanOrEqual(inputPrice);
        }

        @Override
        protected boolean matchCriteria(String recordName, String inputName) {
            inputName = inputName.trim();
            if (StringUtils.isEmpty(recordName) && !StringUtils.isEmpty(inputName)) {
                return false;
            }

            if (StringUtils.isEmpty(inputName)) {
                return true;
            }

            recordName = StringNormalizer.normalize(recordName);
            inputName = StringNormalizer.normalize(inputName);

            String[] recordNameArray = recordName.split(" ");
            for (String inputString : recordNameArray) {
                if (inputString.trim().indexOf(inputName) >= 0) {
                    return true;
                }
            }
            return false;
        }

    }

    @Override
    public Set<AnnouncementProcess> search() {
        try {
            return hasAnyCriteria() ? new SearchAnnouncementResult(GenericProcess.getAllProcesses(AnnouncementProcess.class)) : Collections.EMPTY_SET;
        } catch (Exception ex) {
            ex.printStackTrace();
            throw new Error(ex);
        }
    }

    protected boolean hasAnyCriteria() {
        return hasCriteria(publisherName) || hasCriteria(supplierName) || totalPrice != null || hasCriteria(requestingUnitName)
                || processStateType != null;
    }

    protected boolean hasCriteria(String criteria) {
        return !StringUtils.isEmpty(criteria);
    }

    public String getPublisherName() {
        return publisherName;
    }

    public void setPublisherName(String publisherName) {
        this.publisherName = publisherName;
    }

    public String getSupplierName() {
        return supplierName;
    }

    public void setSupplierName(String supplierName) {
        this.supplierName = supplierName;
    }

    public Money getTotalPrice() {
        return totalPrice;
    }

    public void setTotalPrice(Money totalPrice) {
        this.totalPrice = totalPrice;
    }

    public String getRequestingUnitName() {
        return requestingUnitName;
    }

    public void setRequestingUnitName(String requestingUnitName) {
        this.requestingUnitName = requestingUnitName;
    }

    public AnnouncementProcessStateType getProcessStateType() {
        return processStateType;
    }

    public void setProcessStateType(AnnouncementProcessStateType processStateType) {
        this.processStateType = processStateType;
    }

}