#include <GLFW/glfw3.h>
#include <stdlib.h>
#include <stdio.h>

static void keyCallback(GLFWwindow* win, int key, int scancode, int action, int mode) {

    switch(action) {
        case GLFW_RELEASE:
            printf("Released %c\n", key);
            break;
        case GLFW_PRESS:
            printf("Press %c\n", key);
            break;
        case GLFW_REPEAT:
            printf("Repeat %c\n", key);
            break;
        default:
            exit(0);
    }

    if(key == GLFW_KEY_Q && action == GLFW_PRESS)
        glfwSetWindowShouldClose(win, GL_TRUE);
}

int main() {

    GLFWwindow* win;

    if(!glfwInit())
        return -1;

    glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
    glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 3);
    glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);

    glfwWindowHint(GLFW_RESIZABLE, false);

    win = glfwCreateWindow(640, 480, "Bug", nullptr, nullptr);

    if(!win) {
        glfwTerminate();
        return -1;
    }

    glfwMakeContextCurrent(win);

    glfwSetKeyCallback(win, keyCallback);

    /*
     * if console is under GLFW window
        int xposWindow, yposWindow;
        glfwGetWindowPos(win, &xposWindow, &yposWindow);
        glfwSetWindowPos(win, xposWindow + 0, yposWindow);
    */

    while(!glfwWindowShouldClose(win)) {
        glClear(GL_COLOR_BUFFER_BIT);
        glClearColor(0.25f, 0.1f, 0.0f, 0.0f);

        glfwSwapBuffers(win);
        glfwPollEvents();
    }

    glfwTerminate();
}