#!/bin/sh
# Musmaster: find and play music in any directory
# Depends on find and fzf
# Created by Luxferre in 2026, released into the public domain

[ -z "$PLAYER" ] && PLAYER='mpg123'
[ -z "$FTYPES" ] && FTYPES='mp3 MP3'
if [ -z "$TAGDUMP" ]; then
  TAGDUMP='mpg123-id3dump -n {} | grep -E "^(Title|Artist|Album|Year|Comment|Genre):" | sort -u'
fi
mdir="$1"
[ -z "$mdir" ] && mdir='.' 
set --
for ext in $FTYPES; do
  if [ $# -eq 0 ]; then
    set -- -name "*.$ext"
  else
    set -- "$@" -o -name "*.$ext"
  fi
done
cd "$mdir"
muslist="$(find . -type f \( "$@" \))"
dirlist="$(find . -type f \( "$@" \) -print0 | xargs -0 dirname | sort -u)"
muslist="$(printf '%s\n%s' "$muslist" "$dirlist" | sort -u)"
PREVIEWCMD="[ -d {} ] && ls -1 {} || ([ {} != 'Quit' ] && $TAGDUMP)"
while true; do
  src="$(printf '%s\nQuit' "$muslist" | grep . | fzf --tac --preview="$PREVIEWCMD" -0 -1)"
  [ -d "$src" ] && src="$(find "$src" -type f \( "$@" \) | sort -u)"
  [ "$src" = 'Quit' ] && break 
  if [ -n "$src" ]; then
    printf '%s\n' "$src" | while read -r track; do
      $PLAYER "$track"
    done
  fi
done