_cmus

#compdef cmus cmus-remote

local expl cmus_commands

cmus_commands=(
  add bind browser-up cd clear colorscheme echo factivate
  filter fset invert load mark player-next player-pause
  player-play quit refresh run save search-next search-prev
  seek set showbind shuffle source toggle unbind unmark view
  vol win-activate win-add-l win-add-p win-add-Q win-add-q
  win-bottom win-down win-mv-after win-mv-before win-next
  win-page-down win-page-up win-remove win-sel-cur
  win-toggle win-top win-up win-update
)
_cmus_volume() {
  local expl
  compset -P '[-+]'
  _wanted list expl volume compadd $expl - {0..100}
}

case $service in
  (cmus-remote)
    _arguments -C -s\
      '--server[connect using socket SOCKET]:socket:_files' \
      '--help[display this help and exit]:' \
      '--version[Display version information and exit.]:' \
      '(--play -p)'{--play,-p}'[Start playing.]:' \
      '(--pause -u)'{--pause,-u}'[Toggle pause.]:' \
      '(--stop -s)'{--stop,-s}'[Stop playing.]:' \
      '(--next -n)'{--next,-n}'[Skip forward in playlist.]:' \
      '(--prev -r)'{--prev,-r}'[Skip backward in playlist.]:' \
      '(--repeat -R)'{--repeat,-R}'[Toggle repeat.]:' \
      '(--shuffle -S)'{--shuffle,-S}'[Toggle shuffle.]:' \
      '(--volume -v)'{--volume,-V+}'[Change volume. See vol command in cmus(1).]:volume:_cmus_volume' \
      '(--seek -k)'{--seek,-k+}'[Seek. See seek command in cmus(1).]:seek [+-]<num>[m/h]'\
      '(--library -l)'{--library,-l+}'[Modify library instead of playlist.]:playlists/files/directories/URLs:_files'\
      '(--playlist -P)'{--playlist,-P}'[Modify playlist (default).]::Playlist:_files'\
      '(--queue -q)'{--queue,-q}'[Modify play queue instead of playlist.]:'\
      '(--clear -c)'{--clear,-c}'[Clear playlist, library (-l) or play queue (-q).]:playlist'\
      '(--raw -C)'{--raw,-C+}'[Treat arguments (instead of stdin) as raw commands.]:command:(${cmus_commands[@]}):'\
    ;;
  (cmus)
    _arguments \
      '--listen[listen on ADDR instead of $CMUS_SOCKET or $XDG_RUNTIME_DIR/cmus-socket]:socket:_files' \
      '--plugins[list available plugins and exit]'                        \
      '--help[display this help and exit]'                                \
      '--version[display version information]'
    ;;
esac