package engine

import "github.com/go-gl/glfw/v3.3/glfw"

type Window struct {
	window        *glfw.Window
	title         string
	width, height int
}

func NewWindow(title string, width, height int) *Window {
	return &Window{
		title:  title,
		width:  width,
		height: height,
	}
}

func (w *Window) Init() error {
	if err := glfw.Init(); err != nil {
		return err
	}

	glfw.WindowHint(glfw.ContextVersionMajor, 4)
	glfw.WindowHint(glfw.ContextVersionMinor, 1)
	glfw.WindowHint(glfw.OpenGLProfile, glfw.OpenGLCoreProfile)
	glfw.WindowHint(glfw.OpenGLForwardCompatible, glfw.True)
	glfw.WindowHint(glfw.Resizable, glfw.True)

	window, err := glfw.CreateWindow(w.width, w.height, w.title, nil, nil)
	if err != nil {
		return err
	}

	w.window = window
	w.window.MakeContextCurrent()
	w.window.SetFramebufferSizeCallback(w.framebufferSizeCallback)

	return nil
}

func (w *Window) framebufferSizeCallback(window *glfw.Window, width, height int) {
	w.width, w.height = width, height
	// Здесь можно добавить коллбэк для игры
}

func (w *Window) ShouldClose() bool {
	return w.window.ShouldClose()
}

func (w *Window) PollEvents() {
	glfw.PollEvents()
}

func (w *Window) SwapBuffers() {
	w.window.SwapBuffers()
}

func (w *Window) Destroy() {
	glfw.Terminate()
}

func (w *Window) GetSize() (int, int) {
	return w.width, w.height
}