#!/bin/sh

# open a stream or media copied to the clipboard or given as argument

if [ $# != 1 ]; then
    clipboard=$(xclip -out -sel clip | sed 's/!/\\!/')
    echo "$clipboard"
else
    clipboard="$1"
fi

# default: media is video/audio
media='videoAudio'

showpdf() {
    pdfViewers=$(printf "llpp\nmupdf\nsave\nprint\n")
    viewer=$(echo "$pdfViewers" | dmenu -i -l 30)
    case "$viewer" in
        save) cachedir="${XDG_CACHE_HOME:-$HOME/.cache}/norisa/stream"
            [ -d "$cachedir" ] || mkdir -p "$cachedir"
            indexlist=$(ls -1 "$cachedir" | sort -h)
            [ -z "$indexlist" ] && touch "$cachedir/index0.pdf" &&
                indexlist="index0.pdf"
            index=$(echo "$indexlist" | tail -n 1 | sed 's/index//; s/.pdf//')
            : $((index = index + 1))
            cp "/tmp/index.pdf" "$cachedir/$index";;
        print) lp "/tmp/index.pdf";;
        *) devour "$viewer" "/tmp/index.pdf";;
    esac
}

# check media type
if echo "$clipboard" | grep -q "^magnet:?xt="; then media='torrent'; fi

notify-send "opening" "$media"

case "$media" in
    videoAudio) streamType=$(printf "stream\ndownload\nbackground\ncopy link\n" | \
                             dmenu -i -l 30)
        case "$streamType" in
            stream) mpv "$clipboard";;
            download) downFormat="$(youtube-dl -F "$clipboard" | \
                sed '1,/format code/d' | dmenu -i -l 30 | awk '{print $1}')"
                if [ -z "$downFormat" ]; then
                    youtube-dl "$clipboard" -o \
                    "$HOME/dl/%(title)s-%(id)s.%(ext)s" &&
                    notify-send "downloading" "finished"
                else
                    youtube-dl -f "$downFormat" "$clipboard" -o \
                    "$HOME/dl/%(title)s-%(id)s.%(ext)s" &&
                    notify-send "downloading" "finished"
                fi;;
            background) mpv --no-video "$clipboard";;
            "copy link") echo "$clipboard" | xclip -sel clip;;
            *) exit 1;;
        esac
        ;;

    torrent)
        [ -d "/tmp/torrent-stream" ] &&
            notify-send "torrent" "clearing stream cache" &&
            rm -rf "/tmp/torrent-stream/"

        killall peerflix
        peerflix "$clipboard" -q &
        sleep 4
        while true; do
           find "/tmp/torrent-stream/" -type f
           target="$(find "/tmp/torrent-stream/" -type f | \
                     sed '/\/$/d; /\.torrent$/d')"
           if [ -n "$target" ]; then
               notify-send "torrent" "opening"
               mpv "$target" && break
           fi
           sleep 1
        done
        # TODO: add downloading option + more than audioVideo (maybe recognition)
        # add garbage collector that kills the peerflix process when unused
        ;;
esac