/*
 * 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/.
 */

#pragma once

#include "UpdateFrequency.hpp"
#include "SamplerConfig.hpp"
#include "Base/Render/RenderResource.hpp"
#include "Math/Math.hpp"
#include "DataFormat.hpp"
#include "Scene/Shader/DescriptorInputDescription.hpp"

namespace OpenVulkano::Scene
{
	class Texture : public RenderResourceHolder<Texture>
	{
	public:
		static Texture PLACEHOLDER;
		static constexpr inline DescriptorSetLayoutBinding DESCRIPTOR_SET_LAYOUT_BINDING = { 0, DescriptorSetLayoutBinding::Type::TYPE_COMBINED_IMAGE_SAMPLER, 1, ShaderProgramType::ALL_GRAPHICS };

		void* textureBuffer = nullptr;
		size_t size = 0;
		Math::Vector3ui resolution = {0,0,0};
		DataFormat format = DataFormat::B8G8R8A8_UNORM;
		UpdateFrequency updateFrequency = UpdateFrequency::Never;
		const SamplerConfig* m_samplerConfig;
		bool updated = true;

		Texture(const SamplerConfig* samplerConfig = &SamplerConfig::DEFAULT, bool placeholder = false)
			: m_samplerConfig(samplerConfig)
		{ if (placeholder) MakePlaceholder(); }

		~Texture() = default;

		void MakePlaceholder(uint32_t width = 32, uint32_t height = 32,
							 Math::Vector4uc color1 = {248, 123, 255, 255}, Math::Vector4uc color2 = {250, 19, 255, 255});
	};

	class TextureBinding
	{
	public:
		Texture* texture;
		int setId;

		operator bool() const { return setId >= 0 && texture; }
	};
}