#include <stdexcept>
#include "Window.hpp"

namespace MC::GFX {

Window::Window(const char *title, uint32_t width, uint32_t height) {
    glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
    glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 3);
    glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
    glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE);
    glfwWindowHint(GLFW_DOUBLEBUFFER, GL_TRUE);

    m_window = glfwCreateWindow(width, height, title, nullptr, nullptr);
    if (m_window == nullptr) {
        throw std::runtime_error("Failed to create window.");
    }

    glfwMakeContextCurrent(m_window);
    glfwSetInputMode(m_window, GLFW_CURSOR, GLFW_CURSOR_DISABLED);
}

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

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

GLFWwindow* Window::get() {
    return m_window;
}

void Window::close() {
    glfwSetWindowShouldClose(m_window, true);
}

Vector<2> Window::mouse_delta() {
    return m_mouse.update(m_window);
}

bool Window::key(int key, int type) {
    return (glfwGetKey(m_window, key) == type);
}

void Window::start_frame() {
    glfwSwapBuffers(m_window);
    glfwPollEvents();
}

void Window::on_size_change(void (callback)(GLFWwindow*, int, int)) {
    glfwSetFramebufferSizeCallback(m_window, static_cast<GLFWframebuffersizefun>(callback));
}

}