# Generate menu of book filenames and save paths
# Preview window contains metadata

function get_book_paths {
  find "$HOME/doc/books/" -regex '.*\.\(pdf\|epub\|djvu\)' -type f | sort
}

function select_file {
  get_book_paths | fzf --delimiter=/ --with-nth=-1
}

function open {
  if [ -n "$1" ]; then
    echo "Opening \"$1\""
    zathura "$1" --fork
  else
    echo "No file selected"
    exit 1
  fi
}

case "${1:-}" in
  --open) open "$(select_file)" ;;
  --help) printf "open \n" >&2 ;;
  *) open "$(select_file)" ;;
esac