/***

  Olive - Non-Linear Video Editor
  Copyright (C) 2022 Olive Team
  Modifications Copyright (C) 2025 mikesolar

  This program is free software: you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
  the Free Software Foundation, either version 3 of the License, or
  (at your option) any later version.

  This program is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU General Public License for more details.

  You should have received a copy of the GNU General Public License
  along with this program.  If not, see <http://www.gnu.org/licenses/>.

***/

#include "stroke.h"

#include "widget/slider/floatslider.h"

namespace olive
{

const QString StrokeFilterNode::kTextureInput = QStringLiteral("tex_in");
const QString StrokeFilterNode::kColorInput = QStringLiteral("color_in");
const QString StrokeFilterNode::kRadiusInput = QStringLiteral("radius_in");
const QString StrokeFilterNode::kOpacityInput = QStringLiteral("opacity_in");
const QString StrokeFilterNode::kInnerInput = QStringLiteral("inner_in");

#define super Node

StrokeFilterNode::StrokeFilterNode()
{
	AddInput(kTextureInput, NodeValue::kTexture,
			 InputFlags(kInputFlagNotKeyframable));

	AddInput(kColorInput, NodeValue::kColor,
			 QVariant::fromValue(Color(1.0f, 1.0f, 1.0f, 1.0f)));

	AddInput(kRadiusInput, NodeValue::kFloat, 10.0);
	SetInputProperty(kRadiusInput, QStringLiteral("min"), 0.0);

	AddInput(kOpacityInput, NodeValue::kFloat, 1.0f);
	SetInputProperty(kOpacityInput, QStringLiteral("view"),
					 FloatSlider::kPercentage);
	SetInputProperty(kOpacityInput, QStringLiteral("min"), 0.0f);
	SetInputProperty(kOpacityInput, QStringLiteral("max"), 1.0f);

	AddInput(kInnerInput, NodeValue::kBoolean, false);

	SetFlag(kVideoEffect);
	SetEffectInput(kTextureInput);
}

QString StrokeFilterNode::Name() const
{
	return tr("Stroke");
}

QString StrokeFilterNode::id() const
{
	return QStringLiteral("org.olivevideoeditor.Olive.stroke");
}

QVector<Node::CategoryID> StrokeFilterNode::Category() const
{
	return { kCategoryFilter };
}

QString StrokeFilterNode::Description() const
{
	return tr("Creates a stroke outline around an image.");
}

void StrokeFilterNode::Retranslate()
{
	super::Retranslate();

	SetInputName(kTextureInput, tr("Input"));
	SetInputName(kColorInput, tr("Color"));
	SetInputName(kRadiusInput, tr("Radius"));
	SetInputName(kOpacityInput, tr("Opacity"));
	SetInputName(kInnerInput, tr("Inner"));
}

void StrokeFilterNode::Value(const NodeValueRow &value,
							 const NodeGlobals &globals,
							 NodeValueTable *table) const
{
	if (TexturePtr tex = value[kTextureInput].toTexture()) {
		if (value[kRadiusInput].toDouble() > 0.0 &&
			value[kOpacityInput].toDouble() > 0.0) {
			ShaderJob job(value);
			job.Insert(QStringLiteral("resolution_in"),
					   NodeValue(NodeValue::kVec2, tex->virtual_resolution(),
								 this));
			table->Push(NodeValue::kTexture, tex->toJob(job), this);
		} else {
			table->Push(value[kTextureInput]);
		}
	}
}

ShaderCode StrokeFilterNode::GetShaderCode(const ShaderRequest &request) const
{
	Q_UNUSED(request)

	return ShaderCode(FileFunctions::ReadFileAsString(":/shaders/stroke.frag"));
}

}
