#include "Application.hpp"

Application::Application(int width, int height) : m_window_width(width), m_window_heigth(height)
{
}

Application::~Application()
{
    glfwTerminate();
}

void Application::init()
{
    glfwInit();
    glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 4);
    glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 3);
    glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
}

void Application::terminate()
{
    glfwTerminate();
}

bool Application::createWindow()
{
    window = glfwCreateWindow(m_window_width, m_window_heigth, m_appName.c_str(), nullptr, nullptr);
    if(window == nullptr){
        std::cout << "glfwCreateWindow failed" << std::endl;
        terminate();
        return false;
    }
    glfwMakeContextCurrent(window);
    
    if (!gladLoadGLLoader((GLADloadproc)glfwGetProcAddress))
    {
        std::cout << "Failed to initialize GLAD" << std::endl;
        terminate();
        return false;
    }

    glViewport(0, 0, m_window_width, m_window_heigth);

    return true;
}

bool Application::running()
{
    return !glfwWindowShouldClose(window);
}

void Application::render()
{
    glfwSwapBuffers(window);
    glfwPollEvents();   
}