#!/usr/bin/env sh

clear

if [ "${2}" = "2" ]; then
	OUTPUT_IMAGE="$HOME/.cache/wall2.png"
	WIDTH=$(xrandr | grep '\*' | sed -n '1p' | awk -F 'x' '{print $2}' | awk -F '_' '{print $1}' | sed 's/ //g')
	HEIGHT=$(xrandr | grep '\*' | sed -n '1p' | awk -F 'x' '{print $1}' | sed 's/ //g')
else
	OUTPUT_IMAGE="$HOME/.cache/wall1.png"
	# Use tail -n 1 to get last monitor so this works with laptop as well
	WIDTH=$(xrandr | grep '\*' | tail -n 1 | awk -F 'x' '{print $1}' | sed 's/ //g')
	HEIGHT=$(xrandr | grep '\*' | tail -n 1 | awk -F 'x' '{print $2}' | awk '{print $1}' | sed 's/ //g')
fi

echo "Converting ${1} to ${OUTPUT_IMAGE}"
convert "${1}" "${OUTPUT_IMAGE}"

echo "Resizing ${OUTPUT_IMAGE} to ${WIDTH}x${HEIGHT}"
convert "${OUTPUT_IMAGE}" -resize "${WIDTH}x${HEIGHT}^" -gravity center -extent "${WIDTH}"x"${HEIGHT}" "${OUTPUT_IMAGE}"

echo "Setting background images...."
if [ -e ~/.cache/wall1.png ] && [ -e ~/.cache/wall2.png ]; then
	xwallpaper --output HDMI-2 --zoom ~/.cache/wall2.png --output DP-1 --zoom ~/.cache/wall1.png &
	wal -i ~/.cache/wall1.png
elif [ -e ~/.cache/wall1.png ]; then
	xwallpaper --output eDP1 --zoom ~/.cache/wall1.png &
fi

betterlockscreen -u ~/.cache/wall1.png

echo "done!"