#include "header/strategies/Rejection.h"
#include "MainWindow.h"
#include <QPixmap>
#include <QImage>

Rejection::Rejection(const Context context,
					const QString kernelPath) :
	IProcessStrategy(context, kernelPath, "Rejection"),
	_kernelFunctor(KernelFunctor<Image2D, Image2D,
				   Rejection_t>(_kernel))
{

}

void Rejection::cpuProcess(ScenGenOutput_t parameters)
{
	_rejectionThr = parameters.rejectThreshold.value;
}

void Rejection::finalize()
{
}

void Rejection::ReadParams(QString path, ScenGenOutput_t *params)
{
	QFile file(path);
	file.open(QIODevice::ReadOnly);

	char data[8192];
	//first line is extra
	file.readLine(data, 8192);
	QString str(data);
	str = str.remove(str.length() - 1, 1);
	auto sl = str.split(",");

	//decode here
	/***scenario specific code***/
	int index = 0;

	auto temp = sl[index++].PARSE;
	update_field(&params->rejectThreshold, INP2MYFLT(temp));
	/***End of scenario specific code***/
}


Image* Rejection::processKernel(Image *frames)
{
	Context context = _openCLHelper.getContext();
	auto format = frames->getImageInfo<CL_IMAGE_FORMAT>();
	auto width = frames->getImageInfo<CL_IMAGE_WIDTH>();
	auto height = frames->getImageInfo<CL_IMAGE_HEIGHT>();
	auto imageOutput = new Image2D(context,
							CL_MEM_READ_WRITE,
							ImageFormat(format.image_channel_order, format.image_channel_data_type),
							width,
							height);
	cl::EnqueueArgs eargs(MainWindow::getInstance()->CLQueue, cl::NDRange(width, height));

	_openCLHelper.runKernelFunctor<Image2D, Image2D, Rejection_t>(_kernelFunctor,
									  eargs,
									  *static_cast<Image2D*>(frames),
									  *imageOutput,
									  _kernelParameters);
	delete frames;

	return imageOutput;
}