#define GLEW_STATIC
#include <stdio.h>
#include <stdlib.h>
#include <GL/glew.h>
#include <GLFW/glfw3.h>
#include "SimpleParticleEngine.hpp"
#include "Particle.hpp"
#include "Util.hpp"


#define PARTICLE_AMT 500

int main() {
	trillek::util::Util::Seed();
	trillek::particle::SimpleParticleEngine engine;
	engine.Init(PARTICLE_AMT, 0, 0, -500);

	engine.lifeMin = 5;
	engine.lifeMax = 10;

	GLFWwindow* window;

	/* Initialize the library */
	// Ensure we can capture the escape key being pressed below
	glfwSetInputMode( window, GLFW_STICKY_KEYS, GL_TRUE);

	if (!glfwInit()) {
		fprintf(stderr, "Failed to initialize GLFW/n");
		return -1;
	}

	GLuint VertexArrayID;
	glGenVertexArrays(1, &VertexArrayID);
	glBindVertexArray(VertexArrayID);
	glewExperimental = true;
	if (glewInit() != GLEW_OK) {
		fprintf(stderr, "Failed to initialize GLEW\n");
		return -1;
	}
	glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3); // We want OpenGL 3.3
	glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 3);
	glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);

	// Open a window and create its OpenGL context
	window = glfwCreateWindow(1024, 768, "Grant Particle test", NULL, NULL);
	if (window == NULL){
		fprintf(stderr, "Failed to open GLFW window. If you have an Intel GPU, they are not 3.3 compatible.");
		glfwTerminate();
		return -1;
	}
	glfwMakeContextCurrent(window);
	// Initialize GLEW



	do{
		// Draw nothing, see you in tutorial 2 !

		// Swap buffers
		glfwSwapBuffers(window);
		glfwPollEvents();

	} // Check if the ESC key was pressed or the window was closed
	while (glfwGetKey(window, GLFW_KEY_ESCAPE) != GLFW_PRESS &&
	glfwWindowShouldClose(window) == 0);


		/*


		glfwMakeContextCurrent(window);
		glMatrixMode(GL_PROJECTION);
		glLoadIdentity();
		gluPerspective(60.f, (800.f/800.f), 0.0001f, 1000.f);
		glMatrixMode(GL_MODELVIEW);
		glLoadIdentity();
		glClearColor(0, 0, 0, 1);
		glBlendFunc(GL_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
		glEnable(GL_BLEND);
		while (!glfwWindowShouldClose(window)) {
		glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

		engine.Update();

		for(int i = 0; i < PARTICLE_AMT; i++)
		{
		float r = trillek::util::Util::RandFloat(0.f, 1.f);
		float g = trillek::util::Util::RandFloat(0.f, 1.f);
		float b = trillek::util::Util::RandFloat(0.f, 1.f);

		glPushMatrix();

		glTranslatef(engine.particles[i].x, engine.particles[i].y, engine.particles[i].z);
		glColor3f(r, g, b);
		glBegin(GL_QUADS);
		glVertex3f(-1.5, 1.5, 0);
		glVertex3f(1.5, 1.5, 0);
		glVertex3f(1.5, -1.5, 0);
		glVertex3f(-1.5, -1.5, 0);
		glEnd();

		glPopMatrix();
		}

		glfwSwapBuffers(window);

		glfwPollEvents();
		}

		glfwTerminate();
		return 0;
		*/
}