/**
 ******************************************************************************
 *
 * @file       NotificationItem.cpp
 * @author     The OpenPilot Team, http://www.openpilot.org Copyright (C) 2010.
 * @brief      Notify Plugin configuration
 * @see        The GNU Public License (GPL) Version 3
 * @defgroup   notifyplugin
 * @{
 *
 *****************************************************************************/
/*
 * 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 3 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.,
 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 */

// Qt headers
#include <QDataStream>
#include <QDir>
#include <QFile>

// GCS headers
#include "extensionsystem/pluginmanager.h"
#include "utils/pathutils.h"
#include "uavobjectmanager.h"
#include "uavobject.h"

// Notify plugin headers
#include "notificationitem.h"
#include "notifylogging.h"


QStringList NotificationItem::sayOrderValues;
QStringList NotificationItem::retryValues;


NotificationItem::NotificationItem(QObject *parent)
    : QObject(parent)
    , isNowPlaying(0)
    , _isPlayed(false)
    , _currentUpdatePlayed(false)
    , _timer(NULL)
    , _expireTimer(NULL)
    , _soundCollectionPath("")
    , _currentLanguage("default")
    , _dataObject("")
    , _objectField("")
    , _condition(0)
    , _sound1("")
    , _sound2("")
    , _sound3("")
    , _sayOrder(never)
    , _singleValue(0)
    , _valueRange2(0)
    , _repeatValue(repeatInstantly)
    , _expireTimeout(eDefaultTimeout)
    , _mute(false)
{
    NotificationItem::sayOrderValues.clear();
    NotificationItem::sayOrderValues.insert(never, QString(tr("Never")));
    NotificationItem::sayOrderValues.insert(beforeFirst, QString(tr("Before first")));
    NotificationItem::sayOrderValues.insert(beforeSecond, QString(tr("Before second")));
    NotificationItem::sayOrderValues.insert(afterSecond, QString(tr("After second")));

    NotificationItem::retryValues.clear();
    NotificationItem::retryValues.insert(repeatOnce, QString(tr("Repeat Once")));
    NotificationItem::retryValues.insert(repeatOncePerUpdate, QString(tr("Repeat Once per update")));
    NotificationItem::retryValues.insert(repeatInstantly, QString(tr("Repeat Instantly")));
    NotificationItem::retryValues.insert(repeat10seconds, QString(tr("Repeat 10 seconds")));
    NotificationItem::retryValues.insert(repeat30seconds, QString(tr("Repeat 30 seconds")));
    NotificationItem::retryValues.insert(repeat1minute, QString(tr("Repeat 1 minute")));
}

void NotificationItem::copyTo(NotificationItem *that) const
{
    that->isNowPlaying         = isNowPlaying;
    that->_isPlayed            = _isPlayed;
    that->_soundCollectionPath = _soundCollectionPath;
    that->_currentLanguage     = _currentLanguage;
    that->_soundCollectionPath = _soundCollectionPath;
    that->_dataObject          = _dataObject;
    that->_objectField         = _objectField;
    that->_condition           = _condition;
    that->_sound1        = _sound1;
    that->_sound2        = _sound2;
    that->_sound3        = _sound3;
    that->_sayOrder      = _sayOrder;
    that->_singleValue   = _singleValue;
    that->_valueRange2   = _valueRange2;
    that->_repeatValue   = _repeatValue;
    that->_expireTimeout = _expireTimeout;
    that->_mute = _mute;
}


void NotificationItem::saveState(QSettings *settings) const
{
    settings->setValue("SoundCollectionPath", Utils::RemoveDataPath(getSoundCollectionPath()));
    settings->setValue(QLatin1String("CurrentLanguage"), getCurrentLanguage());
    settings->setValue(QLatin1String("ObjectField"), getObjectField());
    settings->setValue(QLatin1String("DataObject"), getDataObject());
    settings->setValue(QLatin1String("RangeLimit"), getCondition());
    settings->setValue(QLatin1String("Value1"), singleValue());
    settings->setValue(QLatin1String("Value2"), valueRange2());
    settings->setValue(QLatin1String("Sound1"), getSound1());
    settings->setValue(QLatin1String("Sound2"), getSound2());
    settings->setValue(QLatin1String("Sound3"), getSound3());
    settings->setValue(QLatin1String("SayOrder"), getSayOrder());
    settings->setValue(QLatin1String("Repeat"), retryValue());
    settings->setValue(QLatin1String("ExpireTimeout"), lifetime());
    settings->setValue(QLatin1String("Mute"), mute());
}

void NotificationItem::restoreState(QSettings *settings)
{
    // settings = Core::ICore::instance()->settings();
    setSoundCollectionPath(Utils::InsertDataPath(settings->value(QLatin1String("SoundCollectionPath"), tr("")).toString()));
    setCurrentLanguage(settings->value(QLatin1String("CurrentLanguage"), tr("")).toString());
    setDataObject(settings->value(QLatin1String("DataObject"), tr("")).toString());
    setObjectField(settings->value(QLatin1String("ObjectField"), tr("")).toString());
    setCondition(settings->value(QLatin1String("RangeLimit"), tr("")).toInt());
    setSound1(settings->value(QLatin1String("Sound1"), tr("")).toString());
    setSound2(settings->value(QLatin1String("Sound2"), tr("")).toString());
    setSound3(settings->value(QLatin1String("Sound3"), tr("")).toString());
    setSayOrder(settings->value(QLatin1String("SayOrder"), tr("")).toInt());
    QVariant value = settings->value(QLatin1String("Value1"), tr(""));
    setSingleValue(value);
    setValueRange2(settings->value(QLatin1String("Value2"), tr("")).toDouble());
    setRetryValue(settings->value(QLatin1String("Repeat"), tr("")).toInt());
    setLifetime(settings->value(QLatin1String("ExpireTimeout"), tr("")).toInt());
    setMute(settings->value(QLatin1String("Mute"), tr("")).toInt());
}

void NotificationItem::serialize(QDataStream & stream)
{
    stream << this->_soundCollectionPath;
    stream << this->_currentLanguage;
    stream << this->_dataObject;
    stream << this->_objectField;
    stream << this->_condition;
    qNotifyDebug() << "getOptionsPageValues seriaize" << _condition;
    stream << this->_sound1;
    stream << this->_sound2;
    stream << this->_sound3;
    stream << this->_sayOrder;
    stream << this->_singleValue;
    stream << this->_valueRange2;
    stream << this->_repeatValue;
    stream << this->_expireTimeout;
    stream << this->_mute;
}

void NotificationItem::deserialize(QDataStream & stream)
{
    stream >> this->_soundCollectionPath;
    stream >> this->_currentLanguage;
    stream >> this->_dataObject;
    stream >> this->_objectField;
    stream >> this->_condition;
    stream >> this->_sound1;
    stream >> this->_sound2;
    stream >> this->_sound3;
    stream >> this->_sayOrder;
    stream >> this->_singleValue;
    stream >> this->_valueRange2;
    stream >> this->_repeatValue;
    stream >> this->_expireTimeout;
    stream >> this->_mute;
}

void NotificationItem::startTimer(int msec)
{
    if (!_timer) {
        _timer = new QTimer(this);
        _timer->setInterval(msec);
    }
    if (!_timer->isActive()) {
        _timer->start();
    }
}


void NotificationItem::restartTimer()
{
    if (!_timer) {
        if (!_timer->isActive()) {
            _timer->start();
        }
    }
}


void NotificationItem::stopTimer()
{
    if (_timer) {
        if (_timer->isActive()) {
            _timer->stop();
        }
    }
}

void NotificationItem::disposeTimer()
{
    if (_timer) {
        _timer->stop();
        delete _timer;
        _timer = NULL;
    }
}

void NotificationItem::startExpireTimer()
{
    if (!_expireTimer) {
        _expireTimer = new QTimer(this);
    }
    _expireTimer->start(_expireTimeout * 1000);
}

void NotificationItem::stopExpireTimer()
{
    if (_expireTimer) {
        if (_expireTimer) {
            _expireTimer->stop();
        }
    }
}

void NotificationItem::disposeExpireTimer()
{
    if (_expireTimer) {
        _expireTimer->stop();
        delete _expireTimer;
        _expireTimer = NULL;
    }
}

int getValuePosition(QString sayOrder)
{
    return NotificationItem::sayOrderValues.indexOf(sayOrder) - 1;
}

QString NotificationItem::checkSoundExists(QString fileName)
{
    QString name(fileName + ".wav");
    QString filePath = QDir::toNativeSeparators(getSoundCollectionPath() + "/" +
                                                getCurrentLanguage() + "/" +
                                                name);

    if (QFile::exists(filePath)) {
        return filePath;
    } else {
        filePath = QDir::toNativeSeparators(getSoundCollectionPath() +
                                            "/default/" +
                                            name);
        if (!QFile::exists(filePath)) {
            filePath.clear();
        }
    }
    return filePath;
}

QStringList valueToSoundList(QString value)
{
    qNotifyDebug() << "notificationItem valueToSoundList input param" << value;
    // replace point chr if exists
    value = value.replace(',', '.');
    QStringList numberParts = value.trimmed().split(".");
    QStringList digitWavs;
    bool negative = false;
    if (numberParts.at(0).toInt() < 0) {
        negative = true;
        digitWavs.append("minus");
        numberParts[0] = QString::number(numberParts.at(0).toInt() * -1);
    }
    if ((numberParts.at(0).size() == 1) || (numberParts.at(0).toInt() < 20)) {
        // [1] check, is this number < 20, these numbers played by one wav file
        digitWavs.append(numberParts.at(0));
    } else {
        int i   = 0;
        // [2] store two lowest digits of number
        int num = numberParts.at(0).right(2).toInt();
        if (num < 20 && num != 0) {
            // store eighter number in range [0...10) or in range [10...20)
            digitWavs.append(numberParts.at(0).right(1 + num / 11));
            i = 2;
        }
        // [3] prepend 100 and 1000 digits of number
        for (; i < numberParts.at(0).size(); i++) {
            int offset = 0;
            if (negative) {
                offset = 1;
            }
            digitWavs.insert(offset, numberParts.at(0).at(numberParts.at(0).size() - i - 1));
            if (digitWavs.at(offset) == QString("0")) {
                digitWavs.removeAt(offset);
                continue;
            }
            if (i == 1) {
                digitWavs.replace(0 + offset, digitWavs.at(offset) + '0');
            }
            if (i == 2) {
                digitWavs.insert(1 + offset, "100");
            }
            if (i == 3) {
                digitWavs.insert(1 + offset, "1000");
            }
        }
    }
    // check, is there fractional part of number?
    if (1 < numberParts.size()) {
        digitWavs.append("point");
        if (numberParts.at(1).size() == 1) {
            // this mean -> number < 1
            digitWavs.append(numberParts.at(1));
        } else {
            // append fractional part of number
            QString left = numberParts.at(1).left(1);
            (left == "0") ? digitWavs.append(left) : digitWavs.append(left + '0');
            digitWavs.append(numberParts.at(1).right(1));
        }
    }
    qNotifyDebug() << "notificationItem valueToSoundList return value" << digitWavs;
    return digitWavs;
}

QString stringFromValue(QVariant value, UAVObjectField *field)
{
    if (field == NULL) {
        return "";
    }
    Q_ASSERT(field);
    Q_ASSERT(!value.isNull());
    QString str;
    if (UAVObjectField::ENUM == field->getType()) {
        if (!field->getOptions().contains(value.toString())) {
            return QString();
        }
        str = value.toString();
    } else {
        str = QString("%L1").arg(value.toDouble());
    }
    return str;
}

QString NotificationItem::toString()
{
    QString str;
    UAVObjectField *field = getUAVObjectField();
    QString value = stringFromValue(singleValue(), field);

    int pos = getSayOrder() - 1;
    QStringList lst;

    lst.append(getSoundCaption(getSound1()));
    lst.append(getSoundCaption(getSound2()));
    lst.append(getSoundCaption(getSound3()));
    QStringList valueSounds = valueToSoundList(value);
    bool missed = false;
    foreach(QString sound, valueSounds) {
        if (checkSoundExists(sound).isEmpty()) {
            missed = true;
            break;
        }
    }

    // if not "Never" case
    if (-1 != pos) {
        if (missed) {
            lst.insert(pos, "[missed]" + value);
        } else {
            lst.insert(pos, value);
        }
    }
    str = lst.join(" ");
    return str;
}

QStringList & NotificationItem::toSoundList()
{
    // tips:
    // check of *.wav files exist needed for playing phonon queues;
    // if phonon player don't find next file in queue, it buzz
    UAVObjectField *field = getUAVObjectField();
    QString value = stringFromValue(singleValue(), field);

    // generate queue of sound files to play
    _messageSequence.clear();
    int pos = getSayOrder() - 1;
    QStringList lst;
    if (!getSound1().isEmpty()) {
        lst.append(getSound1());
    }
    if (!getSound2().isEmpty()) {
        lst.append(getSound2());
    }
    if (!getSound3().isEmpty()) {
        lst.append(getSound3());
    }

    // if not "Never" case
    if (-1 != pos) {
        QStringList valueSounds = valueToSoundList(value);
        foreach(QString sound, valueSounds)
        lst.insert(pos++, sound);
    }

    foreach(QString sound, lst) {
        QString path = checkSoundExists(sound);

        if (!path.isEmpty()) {
            _messageSequence.append(path);
        } else {
            _messageSequence.clear();
            break;
        }
    }
    return _messageSequence;
}

QString NotificationItem::getSoundCaption(QString fileName)
{
    if (fileName.isEmpty()) {
        return QString();
    }
    if (checkSoundExists(fileName).isEmpty()) {
        return QString("[missed]") + fileName;
    }
    return fileName;
}

UAVObjectField *NotificationItem::getUAVObjectField()
{
    return getUAVObject()->getField(getObjectField());
}

UAVDataObject *NotificationItem::getUAVObject()
{
    return dynamic_cast<UAVDataObject *>((ExtensionSystem::PluginManager::instance()->getObject<UAVObjectManager>())->getObject(getDataObject()));
}