#include "../headers/scstwappbackend.h"

ScStwAppBackend::ScStwAppBackend(QObject *parent) : QObject(parent)
{
    this->appSettings = new AppSettings(this);
    this->scStwClient = new ScStwClient();
    this->localRace = new ScStwRace(this);

    this->scStwClient->setIP(pGlobalAppSettings->loadSetting("baseStationIpAdress"));
    connect(this->scStwClient, &ScStwClient::stateChanged, this, &ScStwAppBackend::baseStationStateChanged);
    connect(this->scStwClient, &ScStwClient::stateChanged, this, &ScStwAppBackend::refreshMode);
    //connect(this->scStwClient, &ScStwClient::gotSignal, this, &ScStwAppBackend::handleBaseStationSignal);
    connect(this, &ScStwAppBackend::baseStationStateChanged, this, &ScStwAppBackend::baseStationPropertiesChanged);

    this->localRace->addTimer(new ScStwTimer(this));
    this->reloadRaceSettings();

    this->timerTextRefreshTimer = new QTimer(this);
    this->timerTextRefreshTimer->setInterval(1);
    this->timerTextRefreshTimer->setSingleShot(true);
    this->timerTextRefreshTimer->connect(this->timerTextRefreshTimer, &QTimer::timeout, this, &ScStwAppBackend::refreshTimerText);
    this->refreshTimerText();
}

// -------------------------
// --- Base Station sync ---
// -------------------------

/**
 * @brief ScStwAppBackend::handleBaseStationUpdate
 *
 * Function to handle an update, sent by the base station, which indicates
 * that some remote value (like a state) has changed
 *
 * @param data
 */
/*
void ScStwAppBackend::handleBaseStationSignal(ScStw::SignalKey key, QVariant data) {
    qDebug() << "got signal: " << data;
    switch (key) {
    case ScStw::RaceStateChanged:
    {
        // the remote race state has changed
        this->setState( ScStw::RaceState( data.toInt() ) );
        break;
    }
    case ScStw::TimersChanged:
    {
        // the remote timers have changed
        this->refreshRemoteTimers(data.toList());
        break;
    }
    case ScStw::NextStartActionChanged:
    {
        // the next start action has changed
        this->nextStartActionTotalDelay = data.toMap()["nextActionDelay"].toDouble();
        this->nextStartActionDelayStartedAt = this->date->currentMSecsSinceEpoch() - (this->nextStartActionTotalDelay * data.toMap()["nextActionDelayProg"].toDouble());
        this->nextStartAction =  ScStw::NextStartAction( data.toMap()["nextAction"].toInt() );

        emit this->nextStartActionChanged();
        break;
    }
    case ScStw::ExtensionsChanged:
    {
        emit this->baseStationConnectionsChanged();
        break;
    }
    case ScStw::InvalidSignal:
        return;

    }
}

bool ScStwAppBackend::refreshRemoteTimers(QVariantList timers) {

        if(timers.length() != speedTimers.length()){
            // local timers are out of sync

            // delete all current timers
            foreach(SpeedTimer * locTimer, this->speedTimers){
                delete locTimer;
            }

            speedTimers.clear();

            foreach(QVariant remTimer, timers){
                // create a local timer for each remote timer
                this->speedTimers.append(new SpeedTimer(this));
            }
        }

        foreach(QVariant remTimer, timers){
            int currId = remTimer.toMap()["id"].toInt();
            speedTimers[currId]->startTime = this->date->currentMSecsSinceEpoch() - remTimer.toMap()["currentTime"].toDouble();
            speedTimers[currId]->stoppedTime = remTimer.toMap()["currentTime"].toDouble();
            speedTimers[currId]->reactionTime = remTimer.toMap()["reactionTime"].toDouble();

            speedTimers[currId]->setState(SpeedTimer::timerState(remTimer.toMap()["state"].toInt()));
        }

        return true;

}
*/
// ------------------------
// --- helper functions ---
// ------------------------

void ScStwAppBackend::refreshMode() {
    RaceMode newMode;
    if(this->scStwClient->getState() == ScStwClient::CONNECTED){
        newMode = REMOTE;
    }
    else {
        newMode = LOCAL;
    }

    if(this->mode != newMode){

        if(newMode == LOCAL){
            // if the new mode is local -> connection to base station has been lost

            // reset local race
            this->getRace()->reset();
        }

        this->mode = newMode;
        emit this->modeChanged();
    }

}

void ScStwAppBackend::refreshTimerText() {

    // --- refresh timer text ---
    if(this->getRace()->getState() == ScStwRace::RUNNING) {
        emit this->getRace()->timersChanged();
    }

    // --- refresh next start action delay progress ---
    if(this->getRace()->getState() == ScStwRace::STARTING) {
        emit this->getRace()->nextStartActionDetailsChanged();
    }

    this->timerTextRefreshTimer->start();
}

bool ScStwAppBackend::pairConnectedUsbExtensions() {
    QVariantMap ret = this->scStwClient->sendCommand(5002, "", 10000);
    qDebug() << ret;
    return ret["status"] == 200;
}

// - athlete management -

QVariant ScStwAppBackend::getAthletes() {
    QVariantMap reply = this->scStwClient->sendCommand(4003);

    if(reply["status"] != 200){
        //handle Error!!
        qDebug() << "+ --- error getting athletes: " << reply["status"];
        return false;
    }

    QVariantMap tmpAthletes = reply["data"].toMap();

    //qDebug() << tmpAthletes;

    return tmpAthletes;
}

bool ScStwAppBackend::createAthlete(QString userName, QString fullName) {

    QVariant requestData = QVariantMap({{"fullName", fullName}, {"userName", userName}});

    QVariantMap reply = this->scStwClient->sendCommand(4001, requestData.toJsonValue());

    if(reply["status"] != 200){
        //handle Error!!
        qDebug() << "+ --- error creating athlete: " << reply["status"];
        return false;
    }

    return true;
}

bool ScStwAppBackend::deleteAthlete( QString userName ){

    QVariant requestData = QVariantMap({{"userName", userName}});

    QVariantMap reply = this->scStwClient->sendCommand(4002, requestData.toJsonValue());

    if(reply["status"] != 200){
        //handle Error!!
        qDebug() << "+ --- error deleting athlete: " << reply["status"];
        return false;
    }

    return true;

}

bool ScStwAppBackend::selectAthlete( QString userName, int timerId ){

    QVariant requestData = QVariantMap({{"userName", userName}, {"timerId", timerId}});

    QVariantMap reply = this->scStwClient->sendCommand(4000, requestData.toJsonValue());

    if(reply["status"] != 200){
        //handle Error!!
        qDebug() << "+ --- error selecting athlete: " << reply["status"];
        return false;
    }

    return true;

}

QVariant ScStwAppBackend::getResults( QString userName ){
    QVariantMap reply = this->scStwClient->sendCommand(4004, userName);

    if(reply["status"] != 200){
        //handle Error!!
        qDebug() << "+ --- error getting results: " << reply["status"];
        return false;
    }

    QVariantList tmpAthletes = reply["data"].toList();

    //qDebug() << tmpAthletes;

    return tmpAthletes;
}

// -------------------------
// --- functions for qml ---
// -------------------------

ScStwRace* ScStwAppBackend::getRace() {
    switch (this->mode) {
    case LOCAL:
        return this->localRace;
    default:
        return nullptr;
    }
}

int ScStwAppBackend::getMode() {
    return this->mode;
}

void ScStwAppBackend::writeSetting(QString key, QVariant value) {
    if(this->mode == REMOTE && ScStw::baseStationSettingFromString(key) != ScStw::InvalidSetting ){
        this->scStwClient->writeRemoteSetting(ScStw::baseStationSettingFromString(key), value.toString());
    }
    else {
        this->appSettings->writeSetting(key, value);
    }

    this->reloadRaceSettings();
}

void ScStwAppBackend::writeSetting(ScStw::BaseStationSetting key, QVariant value) {
    if(ScStw::baseStationSettingToString(key) != "Invalid" ){
        this->writeSetting(ScStw::baseStationSettingToString(key), value);
    }
}

QString ScStwAppBackend::readSetting(QString key) {
    if(this->mode == REMOTE && ScStw::baseStationSettingFromString(key) != ScStw::InvalidSetting){
        return this->scStwClient->readRemoteSetting(ScStw::baseStationSettingFromString(key));
    }
    else {
        return this->appSettings->loadSetting(key);
    }
}

QString ScStwAppBackend::readSetting(ScStw::BaseStationSetting key) {
    if(ScStw::baseStationSettingToString(key) != "Invalid") {
        return this->readSetting(ScStw::baseStationSettingToString(key));
    }
    return "false";
}

void ScStwAppBackend::reloadRaceSettings() {
    this->getRace()->writeStartActionSetting(
                ScStwRace::AtYourMarks,
                this->appSettings->loadSetting(ScStw::baseStationSettingToString(ScStw::AtYourMarksSoundEnableSetting)) == "true",
                this->appSettings->loadSetting(ScStw::baseStationSettingToString(ScStw::AtYourMarksSoundDelaySetting)).toDouble()
                );

    this->getRace()->writeStartActionSetting(
                ScStwRace::Ready,
                this->appSettings->loadSetting(ScStw::baseStationSettingToString(ScStw::ReadySoundEnableSetting)) == "true",
                this->appSettings->loadSetting(ScStw::baseStationSettingToString(ScStw::ReadySoundDelaySetting)).toDouble()
                );

    this->getRace()->setSoundVolume(1);

}
void ScStwAppBackend::connectBaseStation() {
    this->reloadBaseStationIpAdress();
    this->scStwClient->connectToHost();
}

void ScStwAppBackend::disconnectBaseStation() {
    this->scStwClient->closeConnection();
}

QString ScStwAppBackend::getBaseStationState() {
    switch (this->scStwClient->getState()) {
    case ScStwClient::CONNECTED:
        return "connected";
    case ScStwClient::CONNECTING:
        return "connecting";
    case ScStwClient::DISCONNECTED:
        return  "disconnected";
    case ScStwClient::INITIALISING:
        return  "initialising";
    }
    return "";
}

QVariant ScStwAppBackend::getBaseStationConnections() {
    return scStwClient->getConnections();
}

QVariantMap ScStwAppBackend::getBaseStationProperties() {
    QVariantMap firmware = {{"version", this->scStwClient->getFirmwareVersion()}, {"upToDate", this->scStwClient->isFirmwareUpToDate()}};
    return {{"firmware", firmware}, {"timeOffset", this->scStwClient->getTimeOffset()}};
}

bool ScStwAppBackend::updateBasestationFirmware() {
    return this->scStwClient->updateFirmware();
}

bool ScStwAppBackend::updateBasestationTime() {
    return this->scStwClient->updateTime();
}

bool ScStwAppBackend::reloadBaseStationIpAdress() {
    if(this->scStwClient->getState() == ScStwClient::DISCONNECTED){
        this->scStwClient->setIP(pGlobalAppSettings->loadSetting("baseStationIpAdress"));
        return true;
    }
    return false;
}