#include "StyleHandling.h"
#include <QGuiApplication>
#include <QScreen>
#include <QDebug>

StyleHandling::StyleHandling(QObject *parent)
    : QObject{parent}, mStyleSizes(new QQmlPropertyMap(this)),
      mMargins(new QQmlPropertyMap(this)), mSpacings(new QQmlPropertyMap(this)), mPaddings(new QQmlPropertyMap(this))
{
 // nothing
}

void StyleHandling::calculateAndSetRatio()
{
    qreal refHeight = 480;
    qreal refWidth = 800;
    // Scales to fullscreen. No rescaling when changing window size
    QRect rect = QGuiApplication::primaryScreen()->geometry();
    qreal height = qMin(rect.width(),rect.height());
    qreal width = qMax(rect.width(), rect.height());

    mRatio = qMin(height/refHeight, width/refWidth);
    qDebug() << "mRation=" << mRatio<< "sizes="<<width<<", "<< height<<"\n";
}

void StyleHandling::initStyleSizes()
{
    scaleAndInsert(mStyleSizes, "roundButtonDefaultSize", 65);
    scaleAndInsert(mStyleSizes, "roundButtonBorderWidth", 2);
    scaleAndInsert(mStyleSizes, "smallPlayerButtonSize", 60);
    scaleAndInsert(mStyleSizes, "largePlayerButtonSize", 80);

    scaleAndInsert(mStyleSizes, "scrollHandleWidth", 16);
    scaleAndInsert(mStyleSizes, "scrollHandleHeight", 8);
    scaleAndInsert(mStyleSizes, "scrollHandleBorderWidth", 1);

    int progressBackgroundDefaultHeight = 10;
    scaleAndInsert(mStyleSizes, "progressBackgroundDefaultHeight", progressBackgroundDefaultHeight);
    scaleAndInsert(mStyleSizes, "progressBackgroundRadius", progressBackgroundDefaultHeight/2);
    scaleAndInsert(mStyleSizes, "progressBarDefaultHeight", 8);
    scaleAndInsert(mStyleSizes, "progressBackgroundBorderWidth", 1);

    scaleAndInsert(mStyleSizes, "navigationListHeight", 210);
    scaleAndInsert(mStyleSizes, "navigationDelegateDefaultSize", 150);

}

void StyleHandling::initSpacings()
{
    scaleAndInsert(mSpacings, "defaultSpacing", 20);
    scaleAndInsert(mSpacings, "smallSpacing", 10);
    scaleAndInsert(mSpacings, "tinySpacing", 5);
}

void StyleHandling::initMargins()
{
    scaleAndInsert(mMargins, "defaultMargin", 20);
    scaleAndInsert(mMargins, "smallMargin", 10);
    scaleAndInsert(mMargins, "tinyMargin", 5);
    scaleAndInsert(mMargins, "scrollHandleMargins", 1);
}

void StyleHandling::initPaddings()
{
    scaleAndInsert(mPaddings, "defaultPadding", 5);
}

void StyleHandling::scaleAndInsert(QQmlPropertyMap *map, const QString &key, int value)
{
    map->insert(key, applyRatio(value));
}

int StyleHandling::applyRatio(int size) const
{
    return size*mRatio;
}

void StyleHandling::init(QQmlContext *context)
{
    calculateAndSetRatio();
    initStyleSizes();
    initMargins();
    initSpacings();
    initPaddings();

    context->setContextProperty("StyleSizes", mStyleSizes);
    context->setContextProperty("StyleSpacings", mSpacings);
    context->setContextProperty("StyleMargins", mMargins);
    context->setContextProperty("StylePaddings", mPaddings);
}