/* dtkComposerNodeArrayData.cpp ---
 *
 * Author: tkloczko
 * Copyright (C) 2011 - Thibaud Kloczko, Inria.
 * Created: Wed Jul  4 11:47:12 2012 (+0200)
 * Version: $Id: e8bd7505d797fcd326cf67154a164a9e43cd27d3 $
 * Last-Updated: mar. févr.  4 17:07:06 2014 (+0100)
 *           By: Nicolas Niclausse
 *     Update #: 62
 */

/* Commentary:
 *
 */

/* Change log:
 *
 */

#include "dtkComposerNodeArrayData.h"
#include "dtkComposerTransmitterEmitter.h"
#include "dtkComposerTransmitterReceiver.h"
#include "dtkComposerTransmitterVariant.h"

#include <dtkContainerSupport/dtkAbstractContainerWrapper.h>
#include <dtkContainerSupport/dtkContainerVector.h>

#include <dtkLog/dtkLog>

// /////////////////////////////////////////////////////////////////
// dtkComposerNodeArrayDataPrivate interface
// /////////////////////////////////////////////////////////////////

class dtkComposerNodeArrayDataPrivate
{
public:
    dtkComposerTransmitterVariant             receiver_array;
    dtkComposerTransmitterReceiver<qlonglong> receiver_size;
    dtkComposerTransmitterVariant             receiver_value;


public:
    dtkComposerTransmitterVariant            emitter_array;
    dtkComposerTransmitterEmitter<qlonglong> emitter_size;

public:
    qlonglong size;

    dtkAbstractContainerWrapper *container;
};

// /////////////////////////////////////////////////////////////////
// dtkComposerNodeArrayData implementation
// /////////////////////////////////////////////////////////////////

dtkComposerNodeArrayData::dtkComposerNodeArrayData(void) : dtkComposerNodeLeaf(), d(new dtkComposerNodeArrayDataPrivate)
{
    d->container = NULL;
    d->size = -1;

    this->appendReceiver(&d->receiver_array);
    this->appendReceiver(&d->receiver_size);
    this->appendReceiver(&d->receiver_value);

    this->appendEmitter(&d->emitter_array);

    d->emitter_size.setData(&d->size);
    this->appendEmitter(&d->emitter_size);
}

dtkComposerNodeArrayData::~dtkComposerNodeArrayData(void)
{
    if (d->container)
        delete d->container;

    d->container = NULL;

    delete d;

    d = NULL;
}

QString dtkComposerNodeArrayData::inputLabelHint(int port)
{
    switch (port) {
    case 0:
        return "array";
        break;

    case 1:
        return "size";
        break;

    case 2:
        return "item";
        break;

    default:
        break;
    }

    return "port";
}

QString dtkComposerNodeArrayData::outputLabelHint(int port)
{
    switch (port) {
    case 0:
        return "array";
        break;

    case 1:
        return "size";
        break;

    default:
        break;
    }

    return "port";
}

void dtkComposerNodeArrayData::run(void)
{
    if (!d->receiver_array.isEmpty()) {

        dtkAbstractContainerWrapper *array = d->receiver_array.container();

        if (!array || array->isReset()) {
            d->emitter_array.clearData();
            dtkWarn() << "Input array is not valid. Nothing is done.";
            return;
        }

        d->size = array->count();
        d->emitter_array.setData(array);

    } else {

        if (!d->container) {
            dtkContainerVector<QVariant> *array = new dtkContainerVector<QVariant>();
            d->container = new dtkContainerVectorWrapper<QVariant>(array);
        }

        if (!d->receiver_size.isEmpty())
            d->size = *d->receiver_size.data();

        if (d->size == 0) {

            d->container->clear();

            dtkWarn() << "The size of the array is zero.";

        } else {

            dtkInfo() << "A dtkContainerVector of QVariant has been created.";

            d->container->clear();
            d->container->resize(d->size);

            if (!d->receiver_value.isEmpty()) {
                for (qlonglong i = 0 ; i < d->size; ++i) {
                    d->container->replace(d->receiver_value.variant(), i);
                }
            }

        }

        d->emitter_array.setData(d->container);
    }
}