#include "io/conf.h"

MenuItem::MenuItem(const QString &label, QWidget *widget, QObject *parent) : QWidgetAction(parent)
{
    str = label;
    wid = widget;
}

QWidget *MenuItem::createWidget(QWidget *parent)
{
    QWidget     *widget = new QWidget(parent);
    QHBoxLayout *layout = new QHBoxLayout(widget);

    layout->addWidget(new QLabel(str, parent));
    layout->addStretch();
    layout->addWidget(wid, 0, Qt::AlignRight);

    return widget;
}

Conf::Conf(QObject *parent) : QObject(parent)
{
    QFile file(confPath(), this);

    QByteArray data;

    if (file.open(QFile::ReadOnly))
    {
        data = file.readAll();
    }

    file.close();

    Idm idm(data, this);

    idm.rdHeader();

    QByteArray pathBa = idm.value(LAST_PATH);
    QByteArray nextBa = idm.value(NEXT_FILE);
    QByteArray volBa  = idm.value(VOLUME);

    if (!pathBa.isEmpty()) lastPath      = pathBa;
    else                   lastPath      = QDir::homePath();
    if (!nextBa.isEmpty()) nextFileState = (nextBa == "Y");
    else                   nextFileState = true;
    if (!volBa.isEmpty())  volumeValue   = rdInt(volBa);
    else                   volumeValue   = 50;
}

void Conf::sync()
{
    Idm idm(this);

    idm.wrHeader();
    idm.insert(LAST_PATH, lastPath.toUtf8());
    idm.insert(VOLUME, wrInt(volumeValue));

    if (nextFileState) idm.insert(NEXT_FILE, "Y");
    else               idm.insert(NEXT_FILE, "N");

    QFile file(confPath(), this);

    file.open(QFile::WriteOnly | QFile::Truncate);
    file.write(idm.getBuff());
}

void Conf::populateOptionsMenu(QMenu *menu, QWidget *parent)
{
    QWidget     *volWidget = new QWidget(parent);
    QHBoxLayout *volLayout = new QHBoxLayout(volWidget);
    QSlider     *volSlider = new QSlider(parent);
    QCheckBox   *nextBox   = new QCheckBox(parent);

    volSlider->setMinimum(0);
    volSlider->setMaximum(100);
    volSlider->setValue(getVolume());
    volSlider->setOrientation(Qt::Horizontal);
    volLayout->addWidget(new QLabel("-"));
    volLayout->addWidget(volSlider);
    volLayout->addWidget(new QLabel("+"));
    nextBox->setText("");
    nextBox->setChecked(nextFile());

    connect(volSlider, SIGNAL(valueChanged(int)), this, SLOT(setVolume(int)));
    connect(volSlider, SIGNAL(valueChanged(int)), this, SIGNAL(volume(int)));
    connect(nextBox, SIGNAL(clicked(bool)), this, SLOT(setNextFile(bool)));

    menu->addAction(new MenuItem(tr("Volume"), volWidget, this));
    menu->addAction(new MenuItem(tr("Auto play next file in directory"), nextBox, this));
}

void Conf::setLastPath(const QString &path)
{
    lastPath = path; sync();
}

void Conf::setNextFile(bool state)
{
    nextFileState = state; sync();
}

void Conf::setVolume(int value)
{
    emit volume(value);

    volumeValue = value; sync();
}

QString Conf::getLastPath()
{
    if (!QDir(lastPath).exists())
    {
        lastPath = QDir::homePath();
    }

    return lastPath;
}

bool Conf::nextFile()
{
    return nextFileState;
}

int Conf::getVolume()
{
    return volumeValue;
}

QString Conf::confPath()
{
    QString path = QDir::homePath() + '/';

#ifndef Q_OS_WIN32

    path.append("/.config/");

#else

    path.append("AppData/Local/");

#endif

    QDir dir;

    path.append(QApplication::applicationName() + '/');

    dir.mkpath(path);

    return path + "conf.idm";
}