package main

import (
	"bytes"
	"errors"
	"io"

	vid "github.com/AlexEidt/Vidio"
)

var erreEncodeVideo = errors.New("не удалось создать видео")

func createBarnsLeyFernVideo(s *settings, w io.Writer) error {
	opts := &vid.Options{
		FPS:     1,
		Quality: 0,
		Delay:   1000,
	}

	vw, err := vid.NewVideoWriter(s.Fname, s.X, s.Y, opts)
	if err != nil {
		return errors.Join(erreEncodeVideo, err)
	}

	frames := 100
	for range frames {
		imgbuf := new(bytes.Buffer)
		if err := createBarnsleyFernPng(s, imgbuf); err != nil {
			return errors.Join(erreEncodeVideo, err)
		}

		if err := vw.Write(imgbuf.Bytes()); err != nil {
			return errors.Join(erreEncodeVideo, err)
		}
	}

	return nil
}