/*
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at https://mozilla.org/MPL/2.0/.
 */

#include "ArFramePlayback.hpp"
#include "ArSessionPlayback.hpp"
#include "Base/BlockProfiler.hpp"

namespace OpenVulkano::AR::Playback
{
	ArFramePlayback::ArFramePlayback(const std::shared_ptr<ArSessionPlayback>& session, ArPlaybackReader& frameReader)
			: ArFrame(session, frameReader.GetNextFrameId())
	{
		//BlockProfiler profile("Read_AR_Frame");
		const auto data = frameReader.ReadMetadata();
		frameMetadata = ArFrameMetadata::FromXML(data.Data(), data.Size());
		colorImgData = frameReader.ReadColorImage();
		auto depth = frameReader.ReadDepthImage();
		confImgData = std::move(depth.confidence.image);
		depthImgData = std::move(depth.depth.image);
		depthImage.format = session->GetSessionMetadata().depthFormat;
		depthImage.intrinsic = frameMetadata.intrinsic.GetForResolution({depth.depth.header.width, depth.depth.header.height});
		depthImage.depth.data = depthImgData.get();
		depthImage.depth.resolution = { depth.depth.header.width, depth.depth.header.height };
		depthImage.confidence.data = confImgData.get();
		depthImage.depth.resolution = { depth.confidence.header.width, depth.confidence.header.height };

		colorImage.intrinsic = frameMetadata.intrinsic.GetForResolution({ colorImgData.cols, colorImgData.rows });
		colorImage.format = ArImagePlanar::Format::RGB;
		colorImage.luminescenceOrColor = { colorImgData.data, { colorImgData.cols, colorImgData.rows }};
		colorImage.luminescenceOrColor.numChannels = colorImgData.channels;
		SetSaved();
	}

	ArImagePlanar ArFramePlayback::GetCameraImage()
	{
		return colorImage;
	}

	ArDepthImage ArFramePlayback::GetDepthImage()
	{
		return depthImage;
	}

	Math::Matrix4f ArFramePlayback::GetCameraViewForCurrentDeviceOrientation()
	{
		return Math::Utils::inverse(GetCameraTransformation());
	}

	Math::Matrix4f ArFramePlayback::GetCameraProjection(Math::Vector2f viewportSize, float near, float far)
	{
		return GetFrameMetadata().projection; //TODO
	}
}