#include "main_window.hxx"

#include "ui_main_window.h"

PhotonLight::PhotonLight(QWidget* parent)
	: QMainWindow(parent),
	  m_ui(new Ui::MainWindow) {
	m_ui->setupUi(this);
	updateView();
}

PhotonLight::~PhotonLight() = default;

float deg_to_rad(float val) {
	return val * float(M_PI / 180);
}

void PhotonLight::updateView() {
	RedrawArgs args{
		.camera_position = SphericalPosition{
			.yaw = deg_to_rad(m_ui->cameraYaw->value()),
			.pitch = deg_to_rad(m_ui->cameraPitch->value()),
			.distance = m_ui->cameraDistance->value() / 10.0f,
		},
		.light_position = SphericalPosition{
			.yaw = deg_to_rad(m_ui->lightYaw->value()),
			.pitch = deg_to_rad(m_ui->lightPitch->value()),
			.distance = m_ui->lightDistance->value() / 10.0f,
		},
		.light_radius = 0.125,
		.light_spread = 0.125,
		.accum_sigma = exp10f(m_ui->accumSigma->value() / 25.0),
		.accum_scale = exp10f(m_ui->accumScale->value() / 25.0),
		.reflections = std::uint32_t(m_ui->reflections->value()),
		.show_axes = m_ui->displayAxes->isChecked(),
		.show_shapes = m_ui->displayShapes->isChecked(),
		.show_hit_emission = m_ui->displayEmitted->isChecked(),
		.show_miss_emission = m_ui->displayEmitted->isChecked(),
		.show_direct_hit = m_ui->displayDirectHits->isChecked(),
		.show_indirect_hit = m_ui->displayIndirectHits->isChecked(),
		.show_light = m_ui->displayResult->isChecked(),
	};
	m_ui->cameraYawLabel->setText(tr("Yaw: %1 deg").arg(QString::number(qRadiansToDegrees(args.camera_position.yaw))));
	m_ui->cameraPitchLabel->setText(tr("Pitch: %1 deg").arg(QString::number(qRadiansToDegrees(args.camera_position.pitch))));
	m_ui->cameraDistanceLabel->setText(tr("Distance: %1").arg(QString::number(args.camera_position.distance)));
	m_ui->lightYawLabel->setText(tr("Yaw: %1 deg").arg(QString::number(qRadiansToDegrees(args.light_position.yaw))));
	m_ui->lightPitchLabel->setText(tr("Pitch: %1 deg").arg(QString::number(qRadiansToDegrees(args.light_position.pitch))));
	m_ui->lightDistanceLabel->setText(tr("Distance: %1").arg(QString::number(args.light_position.distance)));
	m_ui->accumSigmaLabel->setText(tr("Averaging radius: %1").arg(QString::number(args.accum_sigma, 'f', 3)));
	m_ui->accumScaleLabel->setText(tr("Brightness: %1").arg(QString::number(args.accum_scale, 'f', 3)));
	m_ui->viewport->setView(args);
}

#include "moc_main_window.cpp"