#!/bin/sh

TMP="${HOME}/.local/tmp"
KEY=$(( $$ ))
FIFO="${TMP}/${KEY}.fifo"
_OPT="${TMP}/${KEY}.opt"
_URL="${TMP}/${KEY}.url"

_F="$( cat <<'EOF'
video_data() {
	if [ -n "${1}" ]; then
		TITLE="$( yt-dlp --no-warnings --get-title "${1}" )"
		RESOLUTIONS="$( \
			yt-dlp --no-warnings --list-formats "${1}" | \
			grep -v "audio" | \
			awk '$2=="mp4" {print $3}' | uniq | \
			awk -F'x' 'ORS="p" {print "!"$2}' | \
			cut -c 2- \
		)"
		echo "${TITLE}" >"${FIFO}"
		echo "${RESOLUTIONS}" >"${FIFO}"
		echo "" >"${FIFO}"
		echo "" >"${FIFO}"
		echo "" >"${FIFO}"
	else
		echo "Empty" >"${FIFO}"
		echo "" >"${FIFO}"
		echo "" >"${FIFO}"
		echo "" >"${FIFO}"
		echo "" >"${FIFO}"
	fi
}
EOF
)"

export FIFO
export _F

mkfifo "${FIFO}"

( yad --plug="${KEY}" --tabnum=2 --form \
	--cycle-read \
	--separator=";" \
	--field="Title::RO" \
	--field="Resolution::CB" \
	--field="On-Top:CHK" \
	--field="Without borders:CHK" \
	--field="On all workspaces:CHK" <"${FIFO}" | cut -d';' -f2-) >"${_OPT}" &

exec 3> "${FIFO}"
printf "\n\n\n\n\n" >"${FIFO}"

( yad --use-interp="/bin/sh -c '%s'" \
	--plug="${KEY}" --tabnum=1 \
	--image="youtube" --text="<b>Type the URL of the video</b>" \
	--separator=";" \
	--form --columns=1 \
	--field="Video URL:" \
	--field='Get info!gtk-find!:FBTN' \
	"" 'eval "${_F}";video_data "%1"' | cut -d';' -f1 ) >"${_URL}" &

yad --paned --key="${KEY}" \
	--tab="" --tab="Info" \
	--window-icon="youtube" \
	--title="yt-dlp GUI for mpv" \
	--geometry=480x320 --center

URL="$( cat "${_URL}" )"
RES="$( cat "${_OPT}" | cut -d';' -f1 | sed 's/.$//' )"

OPTS="--no-terminal"
for i in $( seq 2 4 ); do
	if [ "$( cat ${_OPT} | cut -d';' -f${i} )" == "TRUE" ]; then
		case ${i} in
			2) OPTS="${OPTS} --ontop" ;;
			3) OPTS="${OPTS} --no-border" ;;
			4) OPTS="${OPTS} --on-all-workspaces" ;;
		esac
	else
	fi
done

if [ -n "${URL}" ]; then
	mpv ${OPTS} --ytdl-format="bv*[height<=${RES}]+ba/b[height<=${RES}] / wv*+ba/w" "${URL}" &
fi

rm -f "${FIFO}" "${_OPT}" "${_URL}"