/*
 * Copyright (c) 2015 Mark Liversedge
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the Free
 * Software Foundation; either version 2 of the License, or (at your option)
 * any later version.
 *
 * This program 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 General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc., 51
 * Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 */

#include "DataProcessor.h"
#include "LTMOutliers.h"
#include "Settings.h"
#include "Units.h"
#include "HelpWhatsThis.h"
#include <algorithm>
#include <QVector>
#include <QCheckBox>

// Config widget used by the Preferences/Options config panes
class FixMoxy;
class FixMoxyConfig : public DataProcessorConfig
{
    Q_DECLARE_TR_FUNCTIONS(FixMoxyConfig)

    friend class ::FixMoxy;
    protected:
        QHBoxLayout *layout;
        QLabel *paLabel;
        QLabel *percentLabel;
        QLineEdit *pa;
	QCheckBox *cadConv;
	QCheckBox *spdConv;
    public:
        FixMoxyConfig(QWidget *parent) : DataProcessorConfig(parent) {

            HelpWhatsThis *help = new HelpWhatsThis(parent);
            parent->setWhatsThis(help->getWhatsThisText(HelpWhatsThis::MenuBar_Edit_FixMoxy));

	    layout = new QHBoxLayout(this);

	    layout->setContentsMargins(0,0,0,0);
	    setContentsMargins(0,0,0,0);
	    paLabel = new QLabel(tr("Field Adjustment"));

	    cadConv = new QCheckBox(tr("Cadence to SMO2"));
	    spdConv = new QCheckBox(tr("Speed to tHb"));

	    layout->addWidget(paLabel);
	    layout->addWidget(cadConv);
	    layout->addWidget(spdConv);
	    layout->addStretch();
	}

        //~FixMoxyConfig() {} // deliberately not declared since Qt will delete
                              // the widget and its children when the config pane is deleted

        QString explain() {
            return(QString(tr("When recording from the Moxy or BSX Insight in Speed and"
                           " cadence mode the SmO2 and tHb data is sent as"
                           " cadence and speed respectively. This tool will"
                           " update the activity file to move the values from speed"
                           " and cadence into the Moxy series."
                           )));
        }
        void readConfig() {
	    bool isCad = appsettings->value(NULL, GC_CAD2SMO2, Qt::Checked).toBool();
	    bool isSpd = appsettings->value(NULL, GC_SPD2THB, Qt::Checked).toBool();
	    cadConv->setCheckState(isCad ? Qt::Checked : Qt::Unchecked);
	    spdConv->setCheckState(isSpd ? Qt::Checked : Qt::Unchecked);
	    
	}
        void saveConfig() {
	    appsettings->setValue(GC_CAD2SMO2, cadConv->checkState());
	    appsettings->setValue(GC_SPD2THB, spdConv->checkState());
	}
};


// RideFile Dataprocessor -- used to handle gaps in recording
//                           by inserting interpolated/zero samples
//                           to ensure dataPoints are contiguous in time
//
class FixMoxy : public DataProcessor {
    Q_DECLARE_TR_FUNCTIONS(FixMoxy)

    public:
        FixMoxy() {}
        ~FixMoxy() {}

        // the processor
        bool postProcess(RideFile *, DataProcessorConfig* config, QString op);

        // the config widget
        DataProcessorConfig* processorConfig(QWidget *parent, const RideFile * ride = NULL) {
            Q_UNUSED(ride);
            return new FixMoxyConfig(parent);
        }

        // Localized Name
        QString name() {
            return tr("Set SmO2/tHb from Speed and Cadence");
        }
};

static bool FixMoxyAdded = DataProcessorFactory::instance().registerProcessor(QString("Fix Moxy"), new FixMoxy());

bool
FixMoxy::postProcess(RideFile *ride, DataProcessorConfig *config=0, QString op="")
{
    Q_UNUSED(config)
    Q_UNUSED(op)

    bool isCad;
    bool isSpd;

    if (config == NULL) { // being called automatically
	isCad = appsettings->value(NULL, GC_CAD2SMO2, Qt::Checked).toBool();
	isSpd = appsettings->value(NULL, GC_SPD2THB, Qt::Checked).toBool();
    } else { // being called manually
	isCad = ((FixMoxyConfig*)(config))->cadConv->checkState();
	isSpd = ((FixMoxyConfig*)(config))->spdConv->checkState();
    }

    // does this ride have power?
    if ((isSpd && ride->areDataPresent()->kph == false) ||
	(isCad && ride->areDataPresent()->cad == false))
	return false;

    // apply the change
    ride->command->startLUW("Fix Moxy");
    for (int i=0; i<ride->dataPoints().count(); i++) {
        RideFilePoint *point = ride->dataPoints()[i];

	if (isCad) {
	    ride->command->setPointValue(i, RideFile::smo2, point->cad);
	    ride->command->setPointValue(i, RideFile::cad, 0.00f);
	}
	if (isSpd) {
	    ride->command->setPointValue(i, RideFile::thb, point->kph);
	    ride->command->setPointValue(i, RideFile::kph, 0.00f);
	}
    }

    // shift the data present flags
    if (isCad) {
	ride->command->setDataPresent(RideFile::cad, false);
	ride->command->setDataPresent(RideFile::smo2, true);
    }
    if (isSpd) {
	ride->command->setDataPresent(RideFile::thb, true);
	ride->command->setDataPresent(RideFile::kph, false);
    }
    ride->command->endLUW();

    return true;
}