package controller

import (
	"AynaLivePlayer/config"
	"AynaLivePlayer/player"
	"AynaLivePlayer/provider"
)

func PrepareMedia(media *player.Media) error {
	var err error
	if media.Title == "" || media.Cover == "" {
		l().Trace("fetching media info")
		if err = provider.UpdateMedia(media); err != nil {
			l().Warn("fail to prepare media when fetch info", err)
		}
	}
	if media.Url == "" {
		l().Trace("fetching media url")
		if err = provider.UpdateMediaUrl(media); err != nil {
			l().Warn("fail to prepare media when url", err)
		}

	}
	if media.Lyric == "" {
		l().Trace("fetching media lyric")
		if err = provider.UpdateMediaLyric(media); err != nil {
			l().Warn("fail to prepare media when lyric", err)
		}

	}
	return err
}

func Search(keyword string) ([]*player.Media, error) {
	l().Infof("Search for %s", keyword)
	for _, p := range config.Provider.Priority {
		if pr, ok := provider.Providers[p]; ok {
			r, err := pr.Search(keyword)
			if err != nil {
				l().Warn("Provider %s return err", err)
				continue
			}
			return r, err
		} else {
			l().Warnf("Provider %s not exist", p)
		}
	}
	return nil, provider.ErrorNoSuchProvider
}

func SearchWithProvider(keyword string, p string) ([]*player.Media, error) {
	l().Infof("Search for %s using %s", keyword, p)
	if pr, ok := provider.Providers[p]; ok {
		r, err := pr.Search(keyword)
		return r, err
	}
	l().Warnf("Provider %s not exist", p)
	return nil, provider.ErrorNoSuchProvider
}

func ApplyUser(medias []*player.Media, user interface{}) {
	for _, m := range medias {
		m.User = user
	}
}

func PreparePlaylist(playlist *player.Playlist) error {
	l().Debug("Prepare playlist ", playlist.Meta.(provider.Meta))
	medias, err := provider.GetPlaylist(playlist.Meta.(provider.Meta))
	if err != nil {
		l().Warn("prepare playlist failed ", err)
		return err
	}
	ApplyUser(medias, player.SystemUser)
	playlist.Replace(medias)
	return nil
}