/*
 * 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 "Base/ICloseable.hpp"
#include "Math/Math.hpp"
#include "DataFormat.hpp"
#include "SimpleDrawable.hpp"
#include "FontAtlasGenerator.hpp"
#include "Texture.hpp"
#include "msdfgen.h"
#include "msdfgen-ext.h"
#include "msdf-atlas-gen/msdf-atlas-gen.h"

namespace OpenVulkano::Scene
{
	using namespace msdfgen;
	using namespace msdf_atlas;

	struct TextConfig
	{
		Math::Vector4f textColor = { 1, 1, 1, 0 }; // vec4 to match paddding (multiple of 16)
		Math::Vector3f borderColor = { 1, 0, 0 };
		float threshold = 0.4f;
		float borderSize = 0.05f;
		float smoothing = 1.f/32.f;
		bool applyBorder = false;
		//bool sdfMultiChannel = false;
	};

	class Text : public SimpleDrawable
	{
	public:
		Text() = default;
		~Text();
		void SetUniformBuffer(UniformBuffer* buffer) { m_uniBuffer = buffer; }
		void GenerateText(const std::string& text, const Math::Vector3f& pos = Math::Vector3f(0.f)); 
		void SetConfig(const TextConfig& cfg) { m_cfg = cfg; }
		TextConfig& GetConfig() { return m_cfg; }
		void SetFontAtlasGenerator(FontAtlasGenerator* fontAtlasGenerator) { m_fontAtlasGenerator = fontAtlasGenerator; }
		FontAtlasGenerator* GetFontAtlasGenerator() { return m_fontAtlasGenerator; }
	private:
		FontAtlasGenerator* m_fontAtlasGenerator = nullptr;
		TextConfig m_cfg;
	};
}