#!/bin/sh

usage () {
	cat <<EOF>&2
Usage: ${0##*/} FILE

Preview FILE:

- If folder, list it.

- For text files, media files and other files supported by ranger's "scope.sh",
  use the script to preview the file.

- For other files, display some file information.

EOF
}

[ $# -ne 1 ] && usage && exit 1
[ "$1" = "-h" ] && usage && exit
[ "$1" = "--" ] && shift

ls="ls -1 --color=always"
if test -t 0; then
	ls="$ls --indicator-style=classify"
fi
if [ "$(uname -o)" = "GNU/Linux" ]; then
	ls="$ls  --group-directories-first"
fi

## Folders.
[ -d "$1" ] && $ls "$1" && exit

## scope.sh.
XDG_CONFIG_HOME=${XDG_CONFIG_HOME:-~/.config}
buf=$($XDG_CONFIG_HOME/ranger/scope.sh "$1" $(tput cols) $(tput lines) 2>/dev/null)
status=$?

case $status in
1)
	break ;;
2)
	## Text files
	sed $(tput lines)q "$1"
	exit ;;
*)
	echo "$buf" | sed $(tput lines)q
	exit ;;
esac

## All files.
path="$1"
[ ! -e "$path" ] && path=$(command -v "$1")
[ ! -e "$path" ] && exit 1
$ls -l "$path"
file "$path" | cut -d':' -f2 | cut -b 2-
if command -v pacman >/dev/null 2>&1; then
	pacman -Qo "$path" 2>/dev/null
fi