/*
 * Olive Community Edition - Non-Linear Video Editor
 * Copyright (C) 2025 Olive CE Team
 *
 * 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/>.
 *
 */

// Copyright OpenFX and contributors to the OpenFX project.
#ifndef PARAM_INSTANCE_H
#define PARAM_INSTANCE_H

#include <QString>
#include <QVector2D>
#include <QVector3D>
#include <QVariant>
#include "ofxhParam.h"
#include "node/nodeundo.h"
#include "node/plugins/Plugin.h"
#include "core.h"
#include "undo/undocommand.h"
namespace olive
{
namespace plugin
{
inline QString ParamChangeLabel(const OFX::Host::Param::Descriptor &descriptor)
{
	return QStringLiteral("Change %1")
		.arg(QString::fromStdString(descriptor.getName()));
}
void SubmitUndoCommand(const std::shared_ptr<PluginNode> &node,
					   UndoCommand *command, const QString &label);

class PushbuttonInstance : public OFX::Host::Param::PushbuttonInstance {
protected:
	std::shared_ptr<PluginNode>   node;
	OFX::Host::Param::Descriptor *_descriptor;
public:
	PushbuttonInstance(std::shared_ptr<PluginNode> effect, const std::string &name,
					   OFX::Host::Param::Descriptor &descriptor)
		: OFX::Host::Param::PushbuttonInstance(descriptor)
		, node(effect)
	{
		_descriptor = &descriptor;
	};
};

class IntegerInstance : public OFX::Host::Param::IntegerInstance {
protected:
	std::shared_ptr<PluginNode>   _node;
	OFX::Host::Param::Descriptor& _descriptor;
	QString id;
public:
	IntegerInstance(std::shared_ptr<PluginNode>node, OFX::Host::Param::Descriptor &descriptor)
						: _node(node), _descriptor(descriptor),
						OFX::Host::Param::IntegerInstance(_descriptor){}
	OfxStatus get(int &a)
	{
		if (id.isEmpty()) {
			return kOfxStatErrBadHandle;
		}
		QVariant variant=_node->GetStandardValue(id);

		if (variant.typeId()==QVariant::Int) {
			a=variant.toInt();
			return kOfxStatOK;
		}
		a=0;
		return kOfxStatErrValue;
	}
	OfxStatus get(OfxTime time, int &data)
	{
		if (id.isEmpty()) {
			return kOfxStatErrBadHandle;
		}
		QVariant variant=_node->GetValueAtTime(id, rational::fromDouble(time));
		if (variant.typeId()==QVariant::Int) {
			data=variant.toInt();
			return kOfxStatOK;
		}
		data=0;
		return kOfxStatErrValue;
	}
	OfxStatus set(int data)
	{
		SplitValue split = NodeValue::split_normal_value_into_track_values(
			NodeValue::kInt, data);

		auto command = new NodeParamSetSplitStandardValueCommand(
			NodeInput(_node.get(), _descriptor.getName().c_str()), split);
		SubmitUndoCommand(_node, command, ParamChangeLabel(_descriptor));
		id=_descriptor.getName().c_str();
		return kOfxStatOK;
	}
	OfxStatus set(OfxTime time, int data)
	{
		auto command = new MultiUndoCommand();
		Node::SetValueAtTime(
			NodeInput(_node.get(), _descriptor.getName().c_str()),
			rational::fromDouble(time), data, 0, command, true);
		SubmitUndoCommand(_node, command, ParamChangeLabel(_descriptor));
		id=_descriptor.getName().c_str();
		return kOfxStatOK;
	}
};

class DoubleInstance : public OFX::Host::Param::DoubleInstance {
protected:
	std::shared_ptr<PluginNode>   node;
	OFX::Host::Param::Descriptor& _descriptor;
public:
	DoubleInstance(std::shared_ptr<PluginNode> effect, const std::string& name, OFX::Host::Param::Descriptor& descriptor)
		: OFX::Host::Param::DoubleInstance(descriptor)
		, node(effect)
		, _descriptor(descriptor)
	{
		(void)name;
	}
	OfxStatus get(double& data)
	{
		QVariant variant = node->GetStandardValue(_descriptor.getName().c_str());
		if (variant.canConvert<double>()) {
			data = variant.toDouble();
			return kOfxStatOK;
		}
		data = 0.0;
		return kOfxStatErrValue;
	}
	OfxStatus get(OfxTime time, double& data)
	{
		QVariant variant =
			node->GetValueAtTime(_descriptor.getName().c_str(),
								 rational::fromDouble(time));
		if (variant.canConvert<double>()) {
			data = variant.toDouble();
			return kOfxStatOK;
		}
		data = 0.0;
		return kOfxStatErrValue;
	}
	OfxStatus set(double data)
	{
		SplitValue split = NodeValue::split_normal_value_into_track_values(
			NodeValue::kFloat, data);
		auto command = new NodeParamSetSplitStandardValueCommand(
			NodeInput(node.get(), _descriptor.getName().c_str()), split);
		SubmitUndoCommand(node, command, ParamChangeLabel(_descriptor));
		return kOfxStatOK;
	}
	OfxStatus set(OfxTime time, double data)
	{
		auto command = new MultiUndoCommand();
		Node::SetValueAtTime(
			NodeInput(node.get(), _descriptor.getName().c_str()),
			rational::fromDouble(time), data, 0, command, true);
		SubmitUndoCommand(node, command, ParamChangeLabel(_descriptor));
		return kOfxStatOK;
	}
	OfxStatus derive(OfxTime, double&)
	{
		return kOfxStatErrUnsupported;
	}
	OfxStatus integrate(OfxTime, OfxTime, double&)
	{
		return kOfxStatErrUnsupported;
	}
};

class BooleanInstance : public OFX::Host::Param::BooleanInstance {
protected:
	std::shared_ptr<PluginNode>   node;
	OFX::Host::Param::Descriptor& _descriptor;
public:
	BooleanInstance(std::shared_ptr<PluginNode> effect, const std::string& name, OFX::Host::Param::Descriptor& descriptor)
		: OFX::Host::Param::BooleanInstance(descriptor)
		, node(effect)
		, _descriptor(descriptor)
	{
		(void)name;
	}
	OfxStatus get(bool& data)
	{
		QVariant variant = node->GetStandardValue(_descriptor.getName().c_str());
		if (variant.canConvert<bool>()) {
			data = variant.toBool();
			return kOfxStatOK;
		}
		data = false;
		return kOfxStatErrValue;
	}
	OfxStatus get(OfxTime time, bool& data)
	{
		QVariant variant =
			node->GetValueAtTime(_descriptor.getName().c_str(),
								 rational::fromDouble(time));
		if (variant.canConvert<bool>()) {
			data = variant.toBool();
			return kOfxStatOK;
		}
		data = false;
		return kOfxStatErrValue;
	}
	OfxStatus set(bool data)
	{
		SplitValue split = NodeValue::split_normal_value_into_track_values(
			NodeValue::kBoolean, data);
		auto command = new NodeParamSetSplitStandardValueCommand(
			NodeInput(node.get(), _descriptor.getName().c_str()), split);
		SubmitUndoCommand(node, command, ParamChangeLabel(_descriptor));
		return kOfxStatOK;
	}
	OfxStatus set(OfxTime time, bool data)
	{
		auto command = new MultiUndoCommand();
		Node::SetValueAtTime(
			NodeInput(node.get(), _descriptor.getName().c_str()),
			rational::fromDouble(time), data, 0, command, true);
		SubmitUndoCommand(node, command, ParamChangeLabel(_descriptor));
		return kOfxStatOK;
	}
};

class ChoiceInstance : public OFX::Host::Param::ChoiceInstance {
protected:
	std::shared_ptr<PluginNode>   node;
	OFX::Host::Param::Descriptor& _descriptor;
public:
	ChoiceInstance(std::shared_ptr<PluginNode> effect,  const std::string& name, OFX::Host::Param::Descriptor& descriptor)
		: OFX::Host::Param::ChoiceInstance(descriptor)
		, node(effect)
		, _descriptor(descriptor)
	{
		(void)name;
	}
	OfxStatus get(int& data)
	{
		QVariant variant = node->GetStandardValue(_descriptor.getName().c_str());
		if (variant.canConvert<int>()) {
			data = variant.toInt();
			return kOfxStatOK;
		}
		data = 0;
		return kOfxStatErrValue;
	}
	OfxStatus get(OfxTime time, int& data)
	{
		QVariant variant =
			node->GetValueAtTime(_descriptor.getName().c_str(),
								 rational::fromDouble(time));
		if (variant.canConvert<int>()) {
			data = variant.toInt();
			return kOfxStatOK;
		}
		data = 0;
		return kOfxStatErrValue;
	}
	OfxStatus set(int data)
	{
		SplitValue split = NodeValue::split_normal_value_into_track_values(
			NodeValue::kCombo, data);
		auto command = new NodeParamSetSplitStandardValueCommand(
			NodeInput(node.get(), _descriptor.getName().c_str()), split);
		SubmitUndoCommand(node, command, ParamChangeLabel(_descriptor));
		return kOfxStatOK;
	}
	OfxStatus set(OfxTime time, int data)
	{
		auto command = new MultiUndoCommand();
		Node::SetValueAtTime(
			NodeInput(node.get(), _descriptor.getName().c_str()),
			rational::fromDouble(time), data, 0, command, true);
		SubmitUndoCommand(node, command, ParamChangeLabel(_descriptor));
		return kOfxStatOK;
	}
};

class RGBAInstance : public OFX::Host::Param::RGBAInstance {
protected:
	std::shared_ptr<PluginNode>   node;
	OFX::Host::Param::Descriptor& _descriptor;
public:
	RGBAInstance(std::shared_ptr<PluginNode> effect, const std::string& name, OFX::Host::Param::Descriptor& descriptor)
		: OFX::Host::Param::RGBAInstance(descriptor)
		, node(effect)
		, _descriptor(descriptor)
	{
		(void)name;
	}
	OfxStatus get(double& r,double& g,double& b,double& a)
	{
		olive::core::Color c =
			node->GetStandardValue(_descriptor.getName().c_str())
				.value<olive::core::Color>();

		r = static_cast<double>(c.red());
		g = static_cast<double>(c.green());
		b = static_cast<double>(c.blue());
		a = static_cast<double>(c.alpha());
		return kOfxStatOK;
	}
	OfxStatus get(OfxTime time, double& r,double& g,double& b,double& a)
	{
		olive::core::Color c =
			node->GetValueAtTime(_descriptor.getName().c_str(),
								 rational::fromDouble(time))
				.value<olive::core::Color>();

		r = static_cast<double>(c.red());
		g = static_cast<double>(c.green());
		b = static_cast<double>(c.blue());
		a = static_cast<double>(c.alpha());
		return kOfxStatOK;
	}
	OfxStatus set(double r,double g,double b,double a)
	{
		SplitValue split = NodeValue::split_normal_value_into_track_values(
			NodeValue::kColor,
			QVariant::fromValue(olive::core::Color(r, g, b, a)));
		auto command = new NodeParamSetSplitStandardValueCommand(
			NodeInput(node.get(), _descriptor.getName().c_str()), split);
		SubmitUndoCommand(node, command, ParamChangeLabel(_descriptor));
		return kOfxStatOK;
	}
	OfxStatus set(OfxTime time, double r,double g,double b,double a)
	{
		auto command = new MultiUndoCommand();
		const QString name = _descriptor.getName().c_str();
		Node::SetValueAtTime(NodeInput(node.get(), name), rational::fromDouble(time),
							 r, 0, command, true);
		Node::SetValueAtTime(NodeInput(node.get(), name), rational::fromDouble(time),
							 g, 1, command, true);
		Node::SetValueAtTime(NodeInput(node.get(), name), rational::fromDouble(time),
							 b, 2, command, true);
		Node::SetValueAtTime(NodeInput(node.get(), name), rational::fromDouble(time),
							 a, 3, command, true);
		SubmitUndoCommand(node, command, ParamChangeLabel(_descriptor));
		return kOfxStatOK;
	}
};


class RGBInstance : public OFX::Host::Param::RGBInstance {
protected:
	std::shared_ptr<PluginNode>   node;
	OFX::Host::Param::Descriptor& _descriptor;
public:
	RGBInstance(std::shared_ptr<PluginNode> effect,  const std::string& name, OFX::Host::Param::Descriptor& descriptor)
		: OFX::Host::Param::RGBInstance(descriptor)
		, node(effect)
		, _descriptor(descriptor)
	{
		(void)name;
	}
	OfxStatus get(double& r,double& g,double& b)
	{
		olive::core::Color c =
			node->GetStandardValue(_descriptor.getName().c_str())
				.value<olive::core::Color>();

		r = static_cast<double>(c.red());
		g = static_cast<double>(c.green());
		b = static_cast<double>(c.blue());
		return kOfxStatOK;
	}
	OfxStatus get(OfxTime time, double& r,double& g,double& b)
	{
		olive::core::Color c =
			node->GetValueAtTime(_descriptor.getName().c_str(),
								 rational::fromDouble(time))
				.value<olive::core::Color>();

		r = static_cast<double>(c.red());
		g = static_cast<double>(c.green());
		b = static_cast<double>(c.blue());
		return kOfxStatOK;
	}
	OfxStatus set(double r,double g,double b)
	{
		SplitValue split = NodeValue::split_normal_value_into_track_values(
			NodeValue::kColor,
			QVariant::fromValue(olive::core::Color(r, g, b)));
		auto command = new NodeParamSetSplitStandardValueCommand(
			NodeInput(node.get(), _descriptor.getName().c_str()), split);
		SubmitUndoCommand(node, command, ParamChangeLabel(_descriptor));
		return kOfxStatOK;
	}
	OfxStatus set(OfxTime time, double r,double g,double b)
	{
		auto command = new MultiUndoCommand();
		const QString name = _descriptor.getName().c_str();
		Node::SetValueAtTime(NodeInput(node.get(), name), rational::fromDouble(time),
							 r, 0, command, true);
		Node::SetValueAtTime(NodeInput(node.get(), name), rational::fromDouble(time),
							 g, 1, command, true);
		Node::SetValueAtTime(NodeInput(node.get(), name), rational::fromDouble(time),
							 b, 2, command, true);
		SubmitUndoCommand(node, command, ParamChangeLabel(_descriptor));
		return kOfxStatOK;
	}
};

class Double2DInstance : public OFX::Host::Param::Double2DInstance {
protected:
	std::shared_ptr<PluginNode>   node;
	OFX::Host::Param::Descriptor& _descriptor;
public:
	Double2DInstance(std::shared_ptr<PluginNode> effect, const std::string& name, OFX::Host::Param::Descriptor& descriptor)
		: OFX::Host::Param::Double2DInstance(descriptor)
		, node(effect)
		, _descriptor(descriptor)
	{
		(void)name;
	}
	OfxStatus get(double& x,double& y)
	{
		QVector2D vec =
			node->GetStandardValue(_descriptor.getName().c_str())
				.value<QVector2D>();
		x = static_cast<double>(vec.x());
		y = static_cast<double>(vec.y());
		return kOfxStatOK;
	}
	OfxStatus get(OfxTime time,double& x,double& y)
	{
		QVector2D vec =
			node->GetValueAtTime(_descriptor.getName().c_str(),
								 rational::fromDouble(time))
				.value<QVector2D>();
		x = static_cast<double>(vec.x());
		y = static_cast<double>(vec.y());
		return kOfxStatOK;
	}
	OfxStatus set(double x,double y)
	{
		SplitValue split = NodeValue::split_normal_value_into_track_values(
			NodeValue::kVec2, QVector2D(x, y));
		auto command = new NodeParamSetSplitStandardValueCommand(
			NodeInput(node.get(), _descriptor.getName().c_str()), split);
		SubmitUndoCommand(node, command, ParamChangeLabel(_descriptor));
		return kOfxStatOK;
	}
	OfxStatus set(OfxTime time,double x,double y)
	{
		auto command = new MultiUndoCommand();
		const QString name = _descriptor.getName().c_str();
		Node::SetValueAtTime(NodeInput(node.get(), name), rational::fromDouble(time),
							 x, 0, command, true);
		Node::SetValueAtTime(NodeInput(node.get(), name), rational::fromDouble(time),
							 y, 1, command, true);
		SubmitUndoCommand(node, command, ParamChangeLabel(_descriptor));
		return kOfxStatOK;
	}
};

class Integer2DInstance : public OFX::Host::Param::Integer2DInstance {
protected:
	std::shared_ptr<PluginNode>   node;
	OFX::Host::Param::Descriptor& _descriptor;
public:
	Integer2DInstance(std::shared_ptr<PluginNode> effect,  const std::string& name, OFX::Host::Param::Descriptor& descriptor)
		: OFX::Host::Param::Integer2DInstance(descriptor)
		, node(effect)
		, _descriptor(descriptor)
	{
		(void)name;
	}
	OfxStatus get(int& x,int& y)
	{
		QVector2D vec =
			node->GetStandardValue(_descriptor.getName().c_str())
				.value<QVector2D>();
		x = static_cast<int>(vec.x());
		y = static_cast<int>(vec.y());
		return kOfxStatOK;
	}
	OfxStatus get(OfxTime time,int& x,int& y)
	{
		QVector2D vec =
			node->GetValueAtTime(_descriptor.getName().c_str(),
								 rational::fromDouble(time))
				.value<QVector2D>();
		x = static_cast<int>(vec.x());
		y = static_cast<int>(vec.y());
		return kOfxStatOK;
	}
	OfxStatus set(int x,int y)
	{
		SplitValue split = NodeValue::split_normal_value_into_track_values(
			NodeValue::kVec2, QVector2D(x, y));
		auto command = new NodeParamSetSplitStandardValueCommand(
			NodeInput(node.get(), _descriptor.getName().c_str()), split);
		SubmitUndoCommand(node, command, ParamChangeLabel(_descriptor));
		return kOfxStatOK;
	}
	OfxStatus set(OfxTime time,int x,int y)
	{
		auto command = new MultiUndoCommand();
		const QString name = _descriptor.getName().c_str();
		Node::SetValueAtTime(NodeInput(node.get(), name), rational::fromDouble(time),
							 x, 0, command, true);
		Node::SetValueAtTime(NodeInput(node.get(), name), rational::fromDouble(time),
							 y, 1, command, true);
		SubmitUndoCommand(node, command, ParamChangeLabel(_descriptor));
		return kOfxStatOK;
	}
};

class Double3DInstance : public OFX::Host::Param::Double3DInstance {
protected:
	std::shared_ptr<PluginNode>   node;
	OFX::Host::Param::Descriptor& _descriptor;
public:
	Double3DInstance(std::shared_ptr<PluginNode> effect, const std::string& name,
					 OFX::Host::Param::Descriptor& descriptor)
		: OFX::Host::Param::Double3DInstance(descriptor)
		, node(effect)
		, _descriptor(descriptor)
	{
		(void)name;
	}
	OfxStatus get(double& x,double& y,double& z)
	{
		QVector3D vec =
			node->GetStandardValue(_descriptor.getName().c_str())
				.value<QVector3D>();
		x = static_cast<double>(vec.x());
		y = static_cast<double>(vec.y());
		z = static_cast<double>(vec.z());
		return kOfxStatOK;
	}
	OfxStatus get(OfxTime time,double& x,double& y,double& z)
	{
		QVector3D vec =
			node->GetValueAtTime(_descriptor.getName().c_str(),
								 rational::fromDouble(time))
				.value<QVector3D>();
		x = static_cast<double>(vec.x());
		y = static_cast<double>(vec.y());
		z = static_cast<double>(vec.z());
		return kOfxStatOK;
	}
	OfxStatus set(double x,double y,double z)
	{
		SplitValue split = NodeValue::split_normal_value_into_track_values(
			NodeValue::kVec3, QVector3D(x, y, z));
		auto command = new NodeParamSetSplitStandardValueCommand(
			NodeInput(node.get(), _descriptor.getName().c_str()), split);
		SubmitUndoCommand(node, command, ParamChangeLabel(_descriptor));
		return kOfxStatOK;
	}
	OfxStatus set(OfxTime time,double x,double y,double z)
	{
		auto command = new MultiUndoCommand();
		const QString name = _descriptor.getName().c_str();
		Node::SetValueAtTime(NodeInput(node.get(), name),
							 rational::fromDouble(time), x, 0, command, true);
		Node::SetValueAtTime(NodeInput(node.get(), name),
							 rational::fromDouble(time), y, 1, command, true);
		Node::SetValueAtTime(NodeInput(node.get(), name),
							 rational::fromDouble(time), z, 2, command, true);
		SubmitUndoCommand(node, command, ParamChangeLabel(_descriptor));
		return kOfxStatOK;
	}
};

class Integer3DInstance : public OFX::Host::Param::Integer3DInstance {
protected:
	std::shared_ptr<PluginNode>   node;
	OFX::Host::Param::Descriptor& _descriptor;
public:
	Integer3DInstance(std::shared_ptr<PluginNode> effect, const std::string& name,
					  OFX::Host::Param::Descriptor& descriptor)
		: OFX::Host::Param::Integer3DInstance(descriptor)
		, node(effect)
		, _descriptor(descriptor)
	{
		(void)name;
	}
	OfxStatus get(int& x,int& y,int& z)
	{
		QVector3D vec =
			node->GetStandardValue(_descriptor.getName().c_str())
				.value<QVector3D>();
		x = static_cast<int>(vec.x());
		y = static_cast<int>(vec.y());
		z = static_cast<int>(vec.z());
		return kOfxStatOK;
	}
	OfxStatus get(OfxTime time,int& x,int& y,int& z)
	{
		QVector3D vec =
			node->GetValueAtTime(_descriptor.getName().c_str(),
								 rational::fromDouble(time))
				.value<QVector3D>();
		x = static_cast<int>(vec.x());
		y = static_cast<int>(vec.y());
		z = static_cast<int>(vec.z());
		return kOfxStatOK;
	}
	OfxStatus set(int x,int y,int z)
	{
		SplitValue split = NodeValue::split_normal_value_into_track_values(
			NodeValue::kVec3, QVector3D(x, y, z));
		auto command = new NodeParamSetSplitStandardValueCommand(
			NodeInput(node.get(), _descriptor.getName().c_str()), split);
		SubmitUndoCommand(node, command, ParamChangeLabel(_descriptor));
		return kOfxStatOK;
	}
	OfxStatus set(OfxTime time,int x,int y,int z)
	{
		auto command = new MultiUndoCommand();
		const QString name = _descriptor.getName().c_str();
		Node::SetValueAtTime(NodeInput(node.get(), name),
							 rational::fromDouble(time), x, 0, command, true);
		Node::SetValueAtTime(NodeInput(node.get(), name),
							 rational::fromDouble(time), y, 1, command, true);
		Node::SetValueAtTime(NodeInput(node.get(), name),
							 rational::fromDouble(time), z, 2, command, true);
		SubmitUndoCommand(node, command, ParamChangeLabel(_descriptor));
		return kOfxStatOK;
	}
};

class StringInstance : public OFX::Host::Param::StringInstance {
protected:
	std::shared_ptr<PluginNode>   node;
	OFX::Host::Param::Descriptor& _descriptor;
public:
	StringInstance(std::shared_ptr<PluginNode> effect, const std::string& name,
				   OFX::Host::Param::Descriptor& descriptor)
		: OFX::Host::Param::StringInstance(descriptor)
		, node(effect)
		, _descriptor(descriptor)
	{
		(void)name;
	}
	OfxStatus get(std::string &data)
	{
		QVariant variant = node->GetStandardValue(_descriptor.getName().c_str());
		if (variant.canConvert<QString>()) {
			data = variant.toString().toStdString();
			return kOfxStatOK;
		}
		data.clear();
		return kOfxStatErrValue;
	}
	OfxStatus get(OfxTime time, std::string &data)
	{
		QVariant variant =
			node->GetValueAtTime(_descriptor.getName().c_str(),
								 rational::fromDouble(time));
		if (variant.canConvert<QString>()) {
			data = variant.toString().toStdString();
			return kOfxStatOK;
		}
		data.clear();
		return kOfxStatErrValue;
	}
	OfxStatus set(const char *data)
	{
		QString v = QString::fromUtf8(data);
		SplitValue split = NodeValue::split_normal_value_into_track_values(
			NodeValue::kText, v);
		auto command = new NodeParamSetSplitStandardValueCommand(
			NodeInput(node.get(), _descriptor.getName().c_str()), split);
		SubmitUndoCommand(node, command, ParamChangeLabel(_descriptor));
		return kOfxStatOK;
	}
	OfxStatus set(OfxTime time, const char *data)
	{
		auto command = new MultiUndoCommand();
		Node::SetValueAtTime(
			NodeInput(node.get(), _descriptor.getName().c_str()),
			rational::fromDouble(time), QString::fromUtf8(data), 0, command, true);
		SubmitUndoCommand(node, command, ParamChangeLabel(_descriptor));
		return kOfxStatOK;
	}
};

class CustomInstance : public OFX::Host::Param::CustomInstance {
protected:
	std::shared_ptr<PluginNode>   node;
	OFX::Host::Param::Descriptor& _descriptor;
public:
	CustomInstance(std::shared_ptr<PluginNode> effect, const std::string& name,
				   OFX::Host::Param::Descriptor& descriptor)
		: OFX::Host::Param::CustomInstance(descriptor)
		, node(effect)
		, _descriptor(descriptor)
	{
		(void)name;
	}
	OfxStatus get(std::string &data)
	{
		QVariant variant = node->GetStandardValue(_descriptor.getName().c_str());
		if (variant.canConvert<QByteArray>()) {
			data = variant.toByteArray().toStdString();
			return kOfxStatOK;
		}
		if (variant.canConvert<QString>()) {
			data = variant.toString().toStdString();
			return kOfxStatOK;
		}
		data.clear();
		return kOfxStatErrValue;
	}
	OfxStatus get(OfxTime time, std::string &data)
	{
		QVariant variant =
			node->GetValueAtTime(_descriptor.getName().c_str(),
								 rational::fromDouble(time));
		if (variant.canConvert<QByteArray>()) {
			data = variant.toByteArray().toStdString();
			return kOfxStatOK;
		}
		if (variant.canConvert<QString>()) {
			data = variant.toString().toStdString();
			return kOfxStatOK;
		}
		data.clear();
		return kOfxStatErrValue;
	}
	OfxStatus set(const char *data)
	{
		QByteArray v = QByteArray(data);
		SplitValue split = NodeValue::split_normal_value_into_track_values(
			NodeValue::kBinary, v);
		auto command = new NodeParamSetSplitStandardValueCommand(
			NodeInput(node.get(), _descriptor.getName().c_str()), split);
		SubmitUndoCommand(node, command, ParamChangeLabel(_descriptor));
		return kOfxStatOK;
	}
	OfxStatus set(OfxTime time, const char *data)
	{
		auto command = new MultiUndoCommand();
		Node::SetValueAtTime(
			NodeInput(node.get(), _descriptor.getName().c_str()),
			rational::fromDouble(time), QByteArray(data), 0, command, true);
		SubmitUndoCommand(node, command, ParamChangeLabel(_descriptor));
		return kOfxStatOK;
	}
};

class GroupInstance : public OFX::Host::Param::GroupInstance {
public:
	GroupInstance(OFX::Host::Param::Descriptor& descriptor)
		: OFX::Host::Param::GroupInstance(descriptor)
	{
	}
};

class PageInstance : public OFX::Host::Param::PageInstance {
public:
	PageInstance(OFX::Host::Param::Descriptor& descriptor)
		: OFX::Host::Param::PageInstance(descriptor)
	{
	}
};
}
}



#endif // HOST_DEMO_PARAM_INSTANCE_H