#! /bin/bash

CACHE=$HOME/.cache/i3lockblur
TMPBG=$CACHE/screen.png
NOW=$(date +'%d %b %Y')
FACE=~/.face
USER=$CACHE/face.png
RES=$(xrandr | grep 'current' | sed -E 's/.*current\s([0-9]+)\sx\s([0-9]+).*/\1x\2/')

if [[ ! -d $CACHE ]]; then
	mkdir -p $CACHE
fi

convert $FACE -resize 100x100 -alpha set \( \
	+clone -distort DePolar 0 -virtual-pixel HorizontalTile \
	-background None -distort Polar 0\
	\) -compose Dst_In -composite -trim +repage $USER

ffmpeg -f x11grab -video_size $RES -y -i $DISPLAY -i $USER \
	-filter_complex "boxblur=7:15,overlay=(main_w-overlay_w)/2:(main_h-overlay_h)/2" \
	-vframes 1 $TMPBG -loglevel quiet

slowfade () {
    dis=$(echo -n "$DISPLAY" | tr -c '[:alnum:]' _)
    ifc='com.github.chjj.compton'
    obj='/com/github/chjj/compton'
    if [[ "$1" == "start" ]]; then
        dbus-send --print-reply --dest=$ifc.$dis \
            $obj $ifc.opts_set string:fade_in_step double:0.02
        dbus-send --print-reply --dest=$ifc.$dis \
            $obj $ifc.opts_set string:fade_out_step double:0.02
    else
        dbus-send --print-reply --dest=$ifc.$dis \
            $obj $ifc.opts_set string:fade_in_step double:0.1
        dbus-send --print-reply --dest=$ifc.$dis \
            $obj $ifc.opts_set string:fade_out_step double:0.1
    fi
}

FG_COLOR=fefefeff #fefefeff
RING_COLOR=31313aff #31313aff
WRONG_COLOR=f82a11aa #f82a11aa
HLIGHT_COLOR=ffbf00ff #ffbf00ff
VERIF_COLOR=fefefe66 #fefefe66

slowfade start
i3lock -n --force-clock -i $TMPBG \
	--indpos="w/2:h/2" --timepos="w/2:h/2-170" --datepos="w/2:h/2-100" --greeterpos="w/2:h/2-70" \
	--insidevercolor=$VERIF_COLOR --insidewrongcolor=$WRONG_COLOR --insidecolor=fefefe00 \
	--ringvercolor=$VERIF_COLOR --ringwrongcolor=$WRONG_COLOR --ringcolor=$RING_COLOR \
	--keyhlcolor=$HLIGHT_COLOR --bshlcolor=$HLIGHT_COLOR --separatorcolor=00000000 \
	--datecolor=$FG_COLOR --timecolor=$FG_COLOR --greetercolor=$FG_COLOR \
	--timestr="%H" --timesize=70 \
	--datestr="%M" --datesize=70 \
	--greetertext="$NOW" --greetersize=25\
	--line-uses-inside --radius 50 --ring-width 2 --indicator \
	--veriftext=""  --wrongtext="" --noinputtext="" \
	--clock --date-font="Roboto" --time-font="Roboto"
sleep 1
slowfade end