/*
 * @(#)VehiclItem.java
 *
 * Copyright 2010 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 module.mission.domain;

import jvstm.cps.ConsistencyPredicate;
import module.mission.domain.activity.ItemActivityInformation;
import pt.ist.expenditureTrackingSystem._development.Bundle;
import pt.ist.expenditureTrackingSystem.domain.util.DomainException;
import pt.ist.fenixframework.Atomic;

/**
 * 
 * @author Luis Cruz
 * 
 */
public abstract class VehiclItem extends VehiclItem_Base {

    public VehiclItem() {
        super();
        new VehiclItemJustification(this);
        setAuthorized(false);
    }

    @Override
    public void delete() {
        final VehiclItemJustification vehiclItemJustification = getVehiclItemJustification();
        if (vehiclItemJustification != null) {
            vehiclItemJustification.delete();
        }
        setDriver(null);
        super.delete();
    }

    @Override
    public boolean isVehicleItem() {
        return true;
    }

    public boolean isAuthorized() {
        return getAuthorized() != null && getAuthorized();
    }

    @Atomic
    public void authorize() {
        setAuthorized(true);
    }

    @Atomic
    public void unauthorize() {
        setAuthorized(false);
    }

    @Override
    public void setInfo(final ItemActivityInformation itemActivityInformation) {
        final Mission mission = itemActivityInformation.getProcess().getMission();
        if (mission.getParticipantesSet().size() == 1) {
            super.setInfo(itemActivityInformation);
            setDriver(mission.getParticipantes().iterator().next());
        } else {
            if (itemActivityInformation.getDriver() == null) {
                throw new DomainException(Bundle.EXPENDITURE, "A vehicle item must have a driver");
            }

            super.setInfo(itemActivityInformation);
            setDriver(itemActivityInformation.getDriver());
            addPeople(itemActivityInformation.getDriver());
        }
    }

    @Override
    protected void setNewVersionInformation(final MissionItem missionItem) {
        super.setNewVersionInformation(missionItem);
        final VehiclItem vehiclItem = (VehiclItem) missionItem;
        getVehiclItemJustification().copy(vehiclItem.getVehiclItemJustification());
        vehiclItem.setDriver(getDriver());
        vehiclItem.setAuthorized(getAuthorized());
    }

    @ConsistencyPredicate
    public boolean checkIsTemporaryXorHasDriver() {
        if (!isTemporary() && hasDriver()) {
            return true;
        }
        if (isTemporary() && !hasDriver()) {
            return true;
        }
        return false;
    }

    @Deprecated
    public boolean hasAuthorized() {
        return getAuthorized() != null;
    }

    @Deprecated
    public boolean hasVehiclItemJustification() {
        return getVehiclItemJustification() != null;
    }

    @Deprecated
    public boolean hasDriver() {
        return getDriver() != null;
    }

}