#include "configinterface.h"

ConfigInterface::ConfigInterface(QObject *parent)
    : QObject{parent}
{
    auto paths = QStandardPaths::writableLocation(QStandardPaths::AppDataLocation);
    qDebug() << "Got writable path as: " << paths;
    std::filesystem::path dir = paths.toStdString();
    if(!QDir(dir).exists()) {
        QDir().mkpath(paths);
    }
    std::filesystem::path path = dir / "config.json";
    QFile config(path);
    if(config.exists()) {
        qDebug() << "Loading config file....";
        bool ok = config.open(QFile::ReadOnly);
        if(!ok) {
            qDebug() << config.errorString();
            return;
        }
        auto data = config.readAll();
        config.close();
        QJsonObject top = QJsonDocument::fromJson(data).object();
        QString max, min, alert;
        bool flipbits;
        max = top["max_threshold"].toString();
        min = top["min_threshold"].toString();
        alert = top["alert_threshold"].toString();
        flipbits = top["flip_bits"].toBool();
        setMax(max);
        setMin(min);
        setAlert(alert);
        setFlipBits(flipbits);
    }
    else {
        qDebug() << "File does not exist creating one...";
        QJsonObject top;
        top["max_threshold"] = "125";
        top["min_threshold"] = "25";
        top["alert_threshold"] = "100";
        QByteArray data = QJsonDocument(top).toJson();
        bool ok = config.open(QFile::WriteOnly);
        if(!ok) {
            qDebug() << config.errorString();
            return;
        }
        config.write(data);
        config.flush();
        config.close();
    }
}

void ConfigInterface::saveConfig(QString max, QString min, QString alert, bool flipbits)
{
    auto paths = QStandardPaths::writableLocation(QStandardPaths::AppDataLocation);
    qDebug() << "Got writable path as: " << paths;
    std::filesystem::path path = paths.toStdString();
    QFile config(path / "config.json");
    qDebug() << "Writing to config file..." << max << min << alert;
    QJsonObject top;
    top["max_threshold"] = max;
    top["min_threshold"] = min;
    top["alert_threshold"] = alert;
    top["flip_bits"] = flipbits;
    setMax(max);
    setMin(min);
    setAlert(alert);
    QByteArray data = QJsonDocument(top).toJson();
    config.open(QIODevice::WriteOnly);
    config.write(data);
    config.flush();
    config.close();
}

QString ConfigInterface::alert() const
{
    return m_alert;
}

void ConfigInterface::setAlert(const QString &newAlert)
{
    if (m_alert == newAlert)
        return;
    m_alert = newAlert;
    emit alertChanged();
}

QString ConfigInterface::max() const
{
    return m_max;
}

void ConfigInterface::setMax(const QString &newMax)
{
    if (m_max == newMax)
        return;
    m_max = newMax;
    emit maxChanged();
}

QString ConfigInterface::min() const
{
    return m_min;
}

void ConfigInterface::setMin(const QString &newMin)
{
    if (m_min == newMin)
        return;
    m_min = newMin;
    emit minChanged();
}

bool ConfigInterface::flipBits() const
{
    return m_flipBits;
}

void ConfigInterface::setFlipBits(bool newFlipBits)
{
    if (m_flipBits == newFlipBits)
        return;
    m_flipBits = newFlipBits;
    emit flipBitsChanged();
}