package main

import (
	"errors"
	"os"
	"path"
)

func (s *State) NowPlaying() string {
	if s.CurrentFile == "" {
		return "Nothing 😴"
	} else {
		return s.CurrentFile
	}
}

var ErrChooseFile = errors.New("please choose a file")

// TODO: make it possible to specific timestamp
func (s *State) PlayVideo(filename string, seconds int) (err error) {
	if filename == "" {
		err = ErrChooseFile
		return
	}

	err = s.playFile(filename)

	return
}

// returns if media can be watched
func (s *State) IsLivestreamReady() (bool, error) {
	if _, err := os.Stat(path.Join(s.StreamCacheDir, OUTFILE)); os.IsNotExist(err) {
		return false, nil
	} else if err != nil {
		return false, err
	} else {
		return true, nil
	}
}