package youtube

import (
	"github.com/rylio/ytdl"
	"errors"
	"os"
)

func Get(url string) (string, error) {
	v, err := ytdl.GetVideoInfo(url)
	if err != nil {
		return "", err
	}
	if len(v.Formats.Best(ytdl.FormatResolutionKey)) < 1 {
		return "", errors.New("not found")
	}
	u, err := v.GetDownloadURL(v.Formats.Best(ytdl.FormatResolutionKey)[0])
	if err != nil {
		return "", err
	}
	return u.String(), nil
}

func Download(url string, file string) error {
	v, err := ytdl.GetVideoInfo(url)
	if err != nil {
		return err
	}
	if len(v.Formats.Best(ytdl.FormatResolutionKey)) < 1 {
		return errors.New("not found")
	}
	format := v.Formats.Best(ytdl.FormatResolutionKey)[0]
	f, err := os.Create(file)
	if err != nil {
		return err
	}
	defer f.Close()
	return v.Download(format, f)
}