#include "window.h"
#include <cstdint>

namespace Donut
{
    static bool s_glfw_initialized = false;
    static uint32_t s_glfw_window_count = 0;

    Window::Window(const std::string& title, int width, int height)
        : m_title(title), m_width(width), m_height(height)
    {
        if (!s_glfw_initialized)
        {
            glfwInit();
            s_glfw_initialized = true;
        }

        m_window = glfwCreateWindow(width, height, title.c_str(), nullptr, nullptr);
        glfwMakeContextCurrent(m_window);

        s_glfw_window_count++;
    }

    Window::~Window()
    {
        glfwDestroyWindow(m_window);
        s_glfw_window_count--;

        if (s_glfw_window_count == 0)
        {
            glfwTerminate();
            s_glfw_initialized = false;
        }
    }

    void Window::on_update() const
    {
        glfwPollEvents();
        glfwSwapBuffers(m_window);
    }

    bool Window::should_close() const
    {
        return glfwWindowShouldClose(m_window);
    }
}