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#!/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="$HOME/docs/school/Vakken"
		concat_path() { sed "s#$dirs/##;s#/[cC]ursus/index.html##"; }
		viewer() { $BROWSER "$1"; } ;;
	"schoolpdf")
		regex='^.\+\.\(pdf\)$' 
		dirs="$HOME/docs/school/Vakken"
		concat_path() { sed "s#$dirs/##;s#/[cC]ursus/index.html##;s#/Cursus/viewer/files/#: #"; }
		viewer() { $VIEWER "$1"; } ;;
	*) 
		choice="$(cat <<-EOF | dmenu -g 5 -l 1 -c
		video
		pdf
		image
		cursus
		schoolpdf
		EOF
		)"
		[ "$choice" ] || exit 1
		"$0" "$choice"
		exit ;;
esac

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

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

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

viewer "$file"