#!/usr/bin/env bash
# Musmaster: find and play music in any directory (bash edition)
# 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
PREVIEWCMD="[ -d {} ] && ls -1 {} || ([ {} != 'Quit' ] && $TAGDUMP)"
mdir="$1"
[[ -z "$mdir" ]] && mdir='.' 
declare -a fargs=() muslist dirlist tracks
for ext in $FTYPES; do
  fargs+=('-name' "*.$ext" '-o')
done
unset 'fargs[-1]'
cd "$mdir"
while true; do
  mapfile -t muslist < <(find . -type f \( "${fargs[@]}" \))
  mapfile -t dirlist < <(dirname "${muslist[@]}" | sort -u)
  IFS=$'\n' muslist=($(sort -u <<<"${muslist[*]} ${dirlist[*]}") Quit); unset IFS
  src="$(printf '%s\n' "${muslist[@]}" | grep '\S' | fzf --tac --preview="$PREVIEWCMD" -0 -1)"
  [[ "$src" = 'Quit' ]] && break
  if [[ -n "$src" ]]; then
    if [[ -d "$src" ]]; then
      mapfile -t tracks < <(find "$src" -type f \( "${fargs[@]}" \) | sort -u)
      $PLAYER "${tracks[@]}"
    else
      $PLAYER "$src"
    fi
  fi
done