#include <stdbool.h>
#include <stdio.h>
#include "SDL2/SDL.h"
#include "SDL2/SDL_timer.h"
#include "GL/glew.h"
#include "SDL2/SDL_opengl.h"
#include "game.h"

GameState *Game_New()
{
	GameState *gs = calloc(1, sizeof(GameState));
	
	SDL_Init(SDL_INIT_VIDEO);
	SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_CORE);
	SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 4);
	SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 5);
	SDL_GL_SetAttribute(SDL_GL_STENCIL_SIZE, 8);
	
	gs->window = SDL_CreateWindow("Game", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, 1920, 1080, SDL_WINDOW_OPENGL | SDL_WINDOW_RESIZABLE);;
	gs->glContext = SDL_GL_CreateContext(gs->window);
	printf("Created OpenGL window.\n");
	
	glewInit();
	glEnable(GL_DEPTH_TEST);
	glEnable(GL_CULL_FACE);
	glEnable(GL_TEXTURE_2D);
	glEnable(GL_BLEND);
	glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
	printf("Initialized OpenGL.\n");
	
	gs->running = true;
	return gs;
}

void Game_Update(GameState *gs)
{
	SDL_Delay(100);
}

void Game_Destroy(GameState *gs)
{
	SDL_GL_DeleteContext(gs->glContext);
	SDL_DestroyWindow(gs->window);
	free(gs);
}