package render

import (
	"context"
	"github.com/Zyko0/go-sdl3/sdl"
	"github.com/spf13/pflag"
)

var (
	vsync = pflag.Int("vsync", 0, "vsync value (0 disabled, 1 every, 2 double, -1 adaptive)")
)

func Init() (*sdl.Window, *sdl.Renderer, context.CancelFunc, error) {
	if err := sdl.Init(sdl.INIT_VIDEO); err != nil {
		return nil, nil, nil, err
	}

	window, renderer, err := sdl.CreateWindowAndRenderer("ponger", 500, 500, 0)
	if err != nil {
		return nil, nil, nil, err
	}
	err = window.SetRelativeMouseMode(true)
	if err != nil {
		return nil, nil, nil, err
	}
	renderer.SetVSync(int32(*vsync))

	return window, renderer, func() {
		window.Destroy()
		renderer.Destroy()
	}, nil
}