#!/usr/bin/env sh

tmp="/tmp/mmedia"

dirs="$HOME/dl"

concat_path() { sed "s#^$HOME#\~#;s#\([^/]\)[^/]*/#\1/#g"; }

case "$1" in
"video")
	regex='^.\+\.\(webm\|mp4\|mpeg\|mkv\)$'
	dirs="$dirs $HOME/vids"
	viewer() { $PLAYER "$1"; }
	;;
"pdf")
	regex='^.\+\.\(pdf\)$'
	dirs="$dirs $HOME/docs"
	viewer() { $VIEWER "$1"; }
	;;
"image")
	regex='^.\+\.\(png\|avif\|jpg\)$'
	dirs="$dirs $HOME/pics"
	viewer() { $IMAGE "$1"; }
	;;
"cursus")
	regex='^.*/[cC]ursus/index.html$'
	dirs="$VAKKEN"
	concat_path() { sed "s#$dirs/##;s#/[cC]ursus/index.html##"; }
	viewer() { $BROWSER "$1"; }
	;;
"schoolpdf")
	regex='^.\+\.\(pdf\)$'
	dirs="$VAKKEN"
	concat_path() { sed "s#$dirs/##;s#/[cC]ursus/index.html##;s#/Cursus/viewer/files/#: #"; }
	viewer() { $VIEWER "$1"; }
	;;
"lecture")
	dmfm $HOME/docs/lecture
	exit
	;;
*)
	choice="$(
		cat <<-EOF | dmenu -g 6 -l 1 -c
			video
			pdf
			image
			cursus
			schoolpdf
			lecture
		EOF
	)"
	[ "$choice" ] || exit 1
	"$0" "$choice"
	exit
	;;
esac

shift
[ "$1" ] && dirs="$1"

choice="$(
	find -L $dirs 2>/dev/null |
		grep -i "$regex" |
		sort | tee "$tmp" |
		concat_path |
		dmenu -px -c -i -l 10 -g 1 -x
)"

file="$(sed -n "${choice}p" "$tmp")"
[ -r "$file" ] || exit 1

viewer "$file"