#include "hk_window.hpp"

// std
#include <stdexcept>

namespace hk
{
    Window::Window(int w, int h, const std::string& name)
         : m_width(w), m_height(h), m_windowName(name)
    {
        initWindow();
    }

    Window::~Window()
    {
        glfwDestroyWindow(m_window);
        glfwTerminate();
    }

    void Window::createWindowSurface(VkInstance instance, VkSurfaceKHR *surface)
    {
        if (glfwCreateWindowSurface(instance, m_window, nullptr, surface) != VK_SUCCESS)
        {
            throw std::runtime_error("failed to create window surface!");
        }
    }

    void Window::initWindow()
    {
        glfwInit();
        glfwWindowHint(GLFW_CLIENT_API, GLFW_NO_API);
        glfwWindowHint(GLFW_RESIZABLE, GLFW_TRUE);

        m_window = glfwCreateWindow(m_width, m_height, m_windowName.c_str(), nullptr, nullptr);
        glfwSetWindowUserPointer(m_window, this);
        glfwSetFramebufferSizeCallback(m_window, framebufferResizeCallback);
    }

    void Window::framebufferResizeCallback(GLFWwindow* window, int width, int height)
    {
        auto hkWindow = reinterpret_cast<Window*>(glfwGetWindowUserPointer(window));
        hkWindow->m_framebufferResized = true;
        hkWindow->m_width = width;
        hkWindow->m_height = height;
    }

}