kodi addon (search & manage downloads / possibility to play live before end of downloading)

a client remote control for kodi addon or a json webservice controller to do this actions :

1. download (sequentially if possible) and read (live, stream preview?)
2. read only
3. download only.

(like pulsar or kmediatorrent, but a real torrent manager for multiple non-live downloads). Automatically continu to download media if stop live playing.