#include "OpenGLComposite.h"

std::string OpenGLComposite::GetRuntimeStateJson() const
{
	return mRuntimeHost ? mRuntimeHost->BuildStateJson() : "{}";
}

bool OpenGLComposite::AddLayer(const std::string& shaderId, std::string& error)
{
	if (!mRuntimeHost->AddLayer(shaderId, error))
		return false;

	ReloadShader();
	resetTemporalHistoryState();
	broadcastRuntimeState();
	return true;
}

bool OpenGLComposite::RemoveLayer(const std::string& layerId, std::string& error)
{
	if (!mRuntimeHost->RemoveLayer(layerId, error))
		return false;

	ReloadShader();
	resetTemporalHistoryState();
	broadcastRuntimeState();
	return true;
}

bool OpenGLComposite::MoveLayer(const std::string& layerId, int direction, std::string& error)
{
	if (!mRuntimeHost->MoveLayer(layerId, direction, error))
		return false;

	ReloadShader();
	resetTemporalHistoryState();
	broadcastRuntimeState();
	return true;
}

bool OpenGLComposite::MoveLayerToIndex(const std::string& layerId, std::size_t targetIndex, std::string& error)
{
	if (!mRuntimeHost->MoveLayerToIndex(layerId, targetIndex, error))
		return false;

	ReloadShader();
	resetTemporalHistoryState();
	broadcastRuntimeState();
	return true;
}

bool OpenGLComposite::SetLayerBypass(const std::string& layerId, bool bypassed, std::string& error)
{
	if (!mRuntimeHost->SetLayerBypass(layerId, bypassed, error))
		return false;

	ReloadShader();
	resetTemporalHistoryState();
	broadcastRuntimeState();
	return true;
}

bool OpenGLComposite::SetLayerShader(const std::string& layerId, const std::string& shaderId, std::string& error)
{
	if (!mRuntimeHost->SetLayerShader(layerId, shaderId, error))
		return false;

	ReloadShader();
	resetTemporalHistoryState();
	broadcastRuntimeState();
	return true;
}

bool OpenGLComposite::UpdateLayerParameterJson(const std::string& layerId, const std::string& parameterId, const std::string& valueJson, std::string& error)
{
	JsonValue parsedValue;
	if (!ParseJson(valueJson, parsedValue, error))
		return false;

	if (!mRuntimeHost->UpdateLayerParameter(layerId, parameterId, parsedValue, error))
		return false;

	broadcastRuntimeState();
	return true;
}

bool OpenGLComposite::UpdateLayerParameterByControlKeyJson(const std::string& layerKey, const std::string& parameterKey, const std::string& valueJson, std::string& error)
{
	JsonValue parsedValue;
	if (!ParseJson(valueJson, parsedValue, error))
		return false;

	if (!mRuntimeHost->UpdateLayerParameterByControlKey(layerKey, parameterKey, parsedValue, error))
		return false;

	broadcastRuntimeState();
	return true;
}

bool OpenGLComposite::ResetLayerParameters(const std::string& layerId, std::string& error)
{
	if (!mRuntimeHost->ResetLayerParameters(layerId, error))
		return false;

	broadcastRuntimeState();
	return true;
}

bool OpenGLComposite::SaveStackPreset(const std::string& presetName, std::string& error)
{
	if (!mRuntimeHost->SaveStackPreset(presetName, error))
		return false;

	broadcastRuntimeState();
	return true;
}

bool OpenGLComposite::LoadStackPreset(const std::string& presetName, std::string& error)
{
	if (!mRuntimeHost->LoadStackPreset(presetName, error))
		return false;

	ReloadShader();
	resetTemporalHistoryState();
	broadcastRuntimeState();
	return true;
}