#!/bin/sh
# Author: Efe Vural <efe@efe.kim>
# give -d flag for manual selection
# In my setup $TERMINAL=st, $PLAYER=mpv, $BROWSERCLI=w3m

geturl(){
primary=$(xclip -o 2>/dev/null | sed '1!d')
clipboard=$(xclip -sel c -o 2>/dev/null | sed '1!d')
url=$(printf "%s\n%s\n%s" "$1" "$primary" "$clipboard"\
	| grep -E "^ *magnet:|^ *git://|^ *https?://" | sed '1!d;s/ *//g')
[ -z "$url" ] && notify-send "Not a link" && exit
}

tmpdl(){ tmpfile=$(mktemp /tmp/linkhandler-"$1".XXXXXX)
	setsid "$TERMINAL" -n download -e curl -o "$tmpfile" "$url" ;}
torrentdl(){ setsid "$TORRENT" "$url" >/dev/null 2>&1 ;}
gitdl(){ setsid "$TERMINAL" -n download\ -e git clone "$url" ;}
imgview(){ tmpdl pic && setsid sxiv -qfabsf "$tmpfile" >/dev/null 2>&1
	rm "$tmpfile" ;}
pdfview(){ tmpdl pdf && setsid zathura "$tmpfile" >/dev/null 2>&1
	rm "$tmpfile" ;}
htmlview(){ setsid "$TERMINAL" -e "$BROWSERCLI" "$url" >/dev/null 2>&1 ;}
torview(){ setsid torsocks "$TERMINAL" -e "$BROWSERCLI" "$url"
	>/dev/null 2>&1 ;}
videoplay(){ tmpdl vid &&
	setsid "$PLAYER" --no-terminal "$tmpfile" >/dev/null 2>&1
	rm "$tmpfile" ;}
audioplay(){ tmpdl aud &&
	setsid "$TERMINAL" -e "$PLAYER" --no-video "$tmpfile" >/dev/null 2>&1
	rm "$tmpfile" ;}
streamplay(){ notify-send "Starting stream" &\
	setsid "$PLAYER" --no-terminal "$url" >/dev/null 2>&1 ||
	notify-send "Stream failed" ;}

autohandler() {
case "$url" in
	(*.pdf) pdfview & ;;
	(*.mkv|*.webm|*.mp4|*.gifv) videoplay & ;;
	(*.png|*.jpg|*.jpeg|*.jpe|*.gif) imgview & ;;
	(*.mp3|*.flac|*.opus|*.ogg|*.mp3?source) audioplay & ;;
	(*youtube.com*|*m.youtube.com*|*youtu.be*|*twitch.tv*|*hooktube.com*\
	|*bitchute.com*|*liveleak.com*|*crunchyroll.com*) streamplay & ;;
	(git://*) gitdl & ;;
	(magnet:*) torrentdl & ;;
	(http://*.onion|http://*.onion/*) torview & ;;
	(http://*|https://*) htmlview & ;;
esac
}

dmenuhandler(){
visual=$(echo "$url" | sed -E '/^.{30}/s/^(.{20}).*(.{7})$/\1...\2/')
options="video\naudio\ndownload\nimage\npdf\nbrowser\nbrowsergui\
\nbrowsercli\ntorrent\nbookmark\nfeed\ncomments\ntor\nytinfo\
\nsubscribe\ncopy\nstream\ngitclone"
selection=$(echo "$options" | dmenu -i -p "Open '$visual':")
case "$selection" in
	(video) videoplay & ;;
	(audio) audioplay & ;;
	(download) cd ~/Downloads/
		setsid "$TERMINAL" -n download -e curl -OL "$url" ||
		setsid "$TERMINAL" -n download -e curl -o\
		"$(echo "$url" | sed 's_.*/\(.*\)/*$_\1.html_')" "$url" & ;;
	(image) imgview & ;;
	(document) pdfview & ;;
	(browsergui) setsid "$BROWSERGUI" "$url" & ;;
	(browsercli) htmlview & ;;
	(torrent) torrentdl & ;;
	(bookmark) echo "$url" >> "$HOME/.bookmarks" & ;;
	(feed) echo "$url" >> "$HOME/.newsbeuter/urls" & ;;
	(tor) torview & ;;
	(comments) setsid "$TERMINAL" youtube-viewer -c "$url" & ;;
	(ytinfo) setsid "$TERMINAL" youtube-viewer -i "$url" & ;;
	(subscribe) chanid=$(youtube-viewer --no-interactive --extract\
		'*CHANNELID* #*AUTHOR*' "$url")
		[ "$(echo "$chanid" | sed -n $=)" = "1" ] || exit
		echo "https://www.youtube.com/feeds/videos.xml?channel_id=$chanid"\
		>> "$HOME/.newsbeuter/urls" & ;;
	(copy) echo "$url" | xclip -i -f | xclip -sel c -i ;;
	(stream) streamplay & ;;
	(gitclone) gitdl & ;;
	(*) $selection "$url" ;;
esac
}

if [ "$1" = "-d" ]
then shift 1 ; geturl "$1" ; dmenuhandler >/dev/null 2>&1 &
else geturl "$1" ; autohandler >/dev/null 2>&1 & 
fi