__mpv_command() {
  printf "{ \"command\": [\"%s\"] }\n" "$1" | $SOCAT - "$MPV_SOCKET"
}

__mpv_command_with_arg() {
  printf "{ \"command\": [\"%s\", \"%s\"] }\n" "$1" "$2" | $SOCAT - "$MPV_SOCKET"
}

__mpv_command_with_args2() {
  printf "{ \"command\": [\"%s\", \"%s\", \"%s\"] }\n" "$1" "$2" "$3" | $SOCAT - "$MPV_SOCKET"
}

__mpv_get() {
  __mpv_command_with_arg "expand-text" "$1" | $JQ -r '.data'
}

mpv_playlist_count() {
  __mpv_get '${playlist-count}'
}

mpv_playlist_position() {
  __mpv_get '${playlist-pos}'
}

mpv_playlist_move() {
  __mpv_command_with_args2 "playlist-move" "$1" "$2" >>/tmp/foo
}

mpv_playlist_clear() {
  __mpv_command "playlist-clear"
}

mpv_quit() {
  __mpv_command "quit"
}

mpv_start() {
  MPV_SOCKET="$(mktemp --suffix=.sock)"
  trap 'mpv_quit >/dev/null; rm -f "$MPV_SOCKET"' EXIT INT
  $MPV --no-config --no-terminal --input-ipc-server="$MPV_SOCKET" --idle --no-osc --no-input-default-bindings &
}

mpv_play_index() {
  __mpv_command_with_arg "playlist-play-index" "$1"
}

mpv_rm_index() {
  __mpv_command_with_arg "playlist-remove" "$1"
}

mpv_play_list() {
  t=$(mktemp)
  cat >"$t"
  __mpv_command_with_arg "loadlist" "$t"
  rm -f "$t"
}

mpv_queue_list() {
  t=$(mktemp)
  cat >"$t"
  __mpv_command_with_args2 "loadlist" "$t" "append-play"
  rm -f "$t"
}

mpv_queue_next_list() {
  t=$(mktemp)
  cat >"$t"
  pos=$(mpv_playlist_position)
  cnt1=$(mpv_playlist_count)
  __mpv_command_with_args2 "loadlist" "$t" "append-play"
  rm -f "$t"
  cnt2=$(mpv_playlist_count)
  diff=$((cnt2 - cnt1))
  [ "$diff" -gt 0 ] || return
  # Move added items right after current item (numbers are 0 based)
  for i in $(seq "$diff"); do
    mpv_playlist_move $((cnt1 + i - 1)) $((pos + i))
  done
}

mpv_next() {
  __mpv_command "playlist-next"
}

mpv_prev() {
  __mpv_command "playlist-prev"
}

mpv_seek_forward() {
  __mpv_command_with_arg "seek" "10"
}

mpv_seek_backward() {
  __mpv_command_with_arg "seek" "-10"
}

mpv_toggle_pause() {
  __mpv_command_with_arg "cycle" "pause"
}