#include <logging/types.hpp>
#include <fmt/format.h>
#include <renderer/renderer.hpp>
#include <rwgpu.hpp>
#include <resources/font.hpp>
#include <string>
#include <iostream>
#include <chrono>
#include <thread>

#include <engine/engine.hpp>

#include <pragmautil.hpp>

#if defined(_MSC_VER) || defined(_MSC_FULL_VER)
WARNING("Please avoid using MSVC in C++ projects utilising std::chrono and std::this_thread due to unfixed frame timing issues in the MSVC C++ implementation")
#endif

using namespace hibis;
using namespace hibis::rwgpu;

void logger(LoggingSeverity severity, std::string message) {
	std::string sevString;
	switch (severity) {
		case Message:
			sevString = "  Message  ";
			break;
		case Information:
			sevString = "Information";
			break;
		case Warning:
			sevString = "  Warning  ";
			break;
		case Error:
			sevString = "   Error   ";
			break;
		case Fatal:
			sevString = "   Fatal   ";
			break;
	}

	std::cout << fmt::format("[{}]: {}", sevString, message) << std::endl;
}

int main() {
	logger(Information, fmt::format("PWD: {}", std::getenv("PWD")));
	RWGPU renderer = RWGPU("test", IntVec2 {800, 800}, &logger);
	Engine engine = Engine(&renderer, &logger);
/*

#ifdef _WIN32
	Font font = Font(engine.mFreeTypeLibrary, "C:\\Windows\\Fonts\\Arial.ttf", 16);
#else
	Font font = Font(engine.mFreeTypeLibrary, "/usr/share/fonts/noto/NotoSans-Light.ttf", 16);
#endif

	Texture image = Texture((char*)"test.png");

	system("cp ../test/test.vert ./ && cp ../test/test.frag ./");
	Shader shader = Shader("test.vert", "test.frag");
	renderer.compileShader(&shader);

	uint8_t red = 0;
	bool increaseRed = true;
	bool increaseSize = true;
	uint size = 16;
	uint f = 0;

	//Point2D points[3] = {{-0.5f, -0.5f}, {0.5f, -0.5f}, {0.0f, 0.5f}};
*/
	logger(Information, "Started Hibis test app! BEHOLD: Colours.");
	while (renderer.mKeepOpen) {
		/*
		// Colour changing background!
		if ((red == 255 && increaseRed) || (red == 0 && !increaseRed)) {
			increaseRed = !increaseRed;
		}
		if (increaseRed) red += 1;
		else red -= 1;

		f++;
		if (f == 16) {
			f = 0;
			if ((size == 64 && increaseSize) || (size == 16 && !increaseSize)) {
				increaseSize = !increaseSize;
			}
			if (increaseSize) size += 2;
			else size -= 2;
			font.setFontSize(size);
		}
		*/

		// Clear screen then sleep for ~16ms
		//renderer.clearScreen(Color {red, 0, 0, 255});
		//renderer.useShader(&shader, points);
		//renderer.drawText(&font, "Testing Text", IntVec2 {0, 0}, Color {255, 255, 255, 255});
		//renderer.drawTexture(&image, 1.0f, IntVec2 {10, 10});

		renderer.renderCurrent();
		renderer.update();
		std::this_thread::sleep_for(std::chrono::milliseconds(16));
	}

	return 0;
}