#!/bin/sh
DBG="" # DBG=1
UAGENT='Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.0.0 Safari/537.36'
[ -z "$1" ] && printf "Pass at least one URL\n" && read g && exit 1
OUT_F=/tmp/dl.sh
OUTD="/dev/shm"
enqueue_vid_choose_fmt() {
  export PICKER=fzy
  f1=$(yt-dlp -Fq $1 |
    awk 'NR > 2 && $2 != "mhtml" && (/360p/ || /480p/ || /720p/ || /1280/ || /1080p/ || /1920/)' |
    $PICKER |
    awk '{print $1}')
	ytdlp="yt-dlp --no-playlist -f"
  [ -n "$f1" ] && printf "%s '%s' '%s'\n" "$ytdlp" $f1 $1 >> $OUT_F
	#[ -n "$DBG" ] && printf "f1_type = %s\n" "$f1_type"
  #printf "%s %s %s # %s\n" "$ytdlp" $f1 $1 "$title" >> $OUT_F
	#case $f1_type in
		#combo|single-audio)
			#printf "%s %s %s # %s\n" "$ytdlp" $f1 $1 "$title" >> $OUT_F
			#;;
		#"")
      #;;
		#*) # f1 is single video, need audio
			#f2=$(invidious-dl.sh -l -u $1 | grep single-audio | $PICKER)
			#f2=${f2%% *}
			#printf "%s %s+%s %s # %s\n" "$ytdlp" $f1 $f2 $1 "$title" >> $OUT_F
			#;;
	#esac
}
enqueue_direct_link() {
	printf "Adding direct URL with curl: %s\n" "$1"
	printf "Use Tor (y/[n])? "
	read tor && printf "\n"
	[ "$tor" = "y" ] && {
		printf "Using Tor proxy\n"
		proxy="socks5h://192.168.2.1:9100"
	}
	printf "curl -L -C - --retry 5 -x \"%s\" --output-dir %s -A '%s' -O '%s'\n" \
    "$proxy" $OUTD "$UAGENT" "$1" >> $OUT_F
}
enqueue_direct_link_wav() {
	author=${SFEED_FEED_PATH##*/}
	fname=${1##*/}
	fname="$OUTD/"${fname%%.*}".opus"
	printf "curl %s | opusenc --artist %s - %s\n" $1 $author $fname >> $OUT_F
}
open_img() {
  imgurl="$1"
  curl --output-dir $OUTD -s -C - -O $imgurl
  img2sixel $OUTD/${imgurl##*/}
  rm $OUTD/${imgurl##*/}
  read _
}
for url in $@; do
	[ -n "$DBG" ] && printf "processing url: %s\n" "$url"
	protocol="${url%%:*}"
	[ -n "$DBG" ] && printf "protocol: %s\n" "$protocol"
	case $protocol in
		http|https|magnet|gemini|/*)
			;;
		*)
			printf "unknown protocol\n"
			read grb
			continue
			;;
	esac
	case "$url" in
    https://archlinux.org/releng/releases/*/)
      mag="$(curl -s $url | grep -oE --color=never 'magnet:.*\.iso')"
      transmission-remote -a "$mag"
      ;;
		# this is "glob" matching - negation is !, not ^
		*.jpg|*.JPG*|*.jpeg|*.png|*.webp|*.gif)
			open_img "$url"
			;;
		*.wav)
			u=$(printf "%s" "$1"|grep -Eo "http[s]?://.*.wav")
			enqueue_direct_link_wav "$u"
			;;
		*.)
			u=$(printf "%s" "$1"|grep -Eo "http[s]?://.*.wav")
			enqueue_direct_link_wav "$u"
			;;
		*.gz|*.opus*|*.mp3*|*.ogg*|*.mp4*|*.webm*|*.epub)
			# Clean up URL from &... or ?... stuff at the end
			u=$(printf "%s" "$url" |
        grep -Eo "http[s]?://.*(gz|opus|mp3|ogg|mp4|webm|epub)")
			enqueue_direct_link "$u"
			;;
		magnet:\?*|*.torrent)
			[ -n "$DBG" ] && printf "Adding torrent with transmission: %s\n" "$url"
			transmission-remote 127.0.0.1 --add $url
			printf "Added to torrents with RC = %s, press any key\n" "$?"
			read v
			;;
		https://doc.rt.com/*)
      mp4u=$(curl -s -A "$UAGENT" "$url"|grep -Eo 'https://.*/download/.*\.mp4')
      printf "curl -L -C - -A '%s' -O '%s'\n" "$UAGENT" "$mp4u" >> $OUT_F
      ;;
		*tube.cthd.icu*|*invidio.xamh.de*|*youtu.be*|*youtube-nocookie.com*|*youtube.com/*|*yewtu.be*|*ytprivate.com*|*invidious*|*au.ytprivate.com*|*y.com.cm*|*inv.riverside.rocks*|*youtube.076.ne.jp*|https://rutube.ru/video/*|https://vk.com/video*|https://vimeo.com/*|https://smotrim.ru/*)
			[ -n "$DBG" ] && printf "Adding youtube link: '%s'\n" "$url"
			enqueue_vid_choose_fmt "$url"
			;;
		https://xkcd.com/*)
			imgurlx=$(curl -s ${url}info.0.json|jq -r '.img')
			alttext=$(curl -s ${url}info.0.json|jq -r '.alt')
			printf "%s\n" "$alttext"
			open_img "$imgurlx"
			;;
		https://github.com*)
      #https://github.com/hrsh7th/nvim-cmp/releases/tag/v0.0.1
      tag=${url##*/}
      repo=${url%%/releases*}
      dir=${repo##*/}-$tag
      git clone --branch $tag --depth 1 $repo.git /tmp/${dir}
      rm -rf /tmp/$dir/.git*
      ;;
		https://oper.ru/*)
			mp3link=$(scrape_mp3_links_from_URL.lua "$url")
			[ -n "$mp3link" ] && enqueue_direct_link "$mp3link" || {
				printf "Got no mp3 link from scraper\n"
				read v
			}
			;;
		*)
			[ -n "$SFEED_FEED_PATH" ] && { # link opened from sfeed_curses
				case "$url" in
				  https://*phoronix.com*)
				    proxychains -q links -dump $url|awk 'NR>26'|sed '/^\s*IFrame/q'|less
  				exit 0
			    ;;
				  https://*habr.com*)
				    proxychains -q links -dump $url|grep -vE '^\s*Link:|\[IMG\]'|less
  				exit 0
			    ;;
				  http*thesaker.is*)
				    links -dump $url |
              awk 'f;/^\s*Saker Message:$/{f=1}' |
              sed '/Leave a Reply --Link to Moderat.*/q' | less
  				exit 0
			    ;;
			    *)
    				proxychains -q links -dump $url|less
    				exit 0
  				;;
  			esac
			}
			printf "Fall-through case, opening with \$BROWSER: %s\n" "$url"
			$BROWSER $url
			exit 0
			;;
	esac
done