#!/bin/sh
HIFI=~/Music/HiFi
LOFI=/tmp/foo
test -f /usr/share/man/man3/Parallel::ForkManager.3pm || sudo eopkg it perl-parallel-forkmanager

if test $# -eq 0; then
    mkdir "$LOFI"
    fusermount -u "$LOFI"
    ifuse --documents com.foobar2000.mobile "$LOFI"
else
    LOFI=$1
fi

if ! test -d "$LOFI"; then
    cd "$HIFI" || exit 1
    fd -t d -x mkdir -p "$LOFI"/{}
    fd -e flac -x opusenc --bitrate 256 {} "$LOFI"/'{.}'.opus
fi

# https://github.com/smxi/acxi/raw/stable/acxi
acxi -s "$HIFI" -d "$LOFI" -o opus -q 256 --clean sync -F 16 -c mp3,m4a,opus

fusermount -u "$LOFI"
rmdir "$LOFI"