dotfiles/.local/bin/scripts/focus

#!/bin/sh -e
# launch my focus playlist or find a matching playlist or song files
# depends: mp mpc
# env: MUSIC
# args: either a playlist file name, or a list of terms which all have to match
# TODO fails on "Alchemy"
# TODO implement finding by tags
PLAYLISTS="${PLAYLISTS:-$MUSIC/Playlists}"
mpc -q clear || mpdr && mpc -q clear
if test -z "$1"
then mp -q "$PLAYLISTS/focus.m3u"
else
	set -o noglob
	(find -L $PLAYLISTS -iname "focus-$1.m3u" -print0 | grep --null-data . ||
		find -L $PLAYLISTS -iname "$1.m3u*" -print0 | grep --null-data . ||
		find -L $MUSIC $(echo "$@" | sed "s/\w\+/-iname *\0* /g") -prune -exec find {} -size +1M -type f -not -iregex ".*.\(jpe?g\|png\)" -print0 \; ) |
		xargs -0 mp -q
fi
if test $(mpc playlist | wc -l) -gt 1; then
	mpc -q shuffle
	mpc next
fi