#!/bin/sh

BLUR_FACTOR=64;

OPTIONAL_CMDS=("convert" "python3" "grim")

for CMD in $OPTIONAL_CMDS; do
	if ! command -v "$CMD" &> /dev/null
	then
		echo "$CMD could not be found, falling back to basic mode."

		swaylock --config ~/.config/sway/swaylock.config --color 302f3b $@

		exit 0
	fi
done

FILE="$(mktemp)"
FILE_RAW="$FILE.raw.jpg"
FILE="$FILE.jpg"

UPSCALE="$(python3 -c "print(100*$BLUR_FACTOR, end='')")%"
DOWNSCALE="$(python3 -c "print(100/$BLUR_FACTOR, end='')")%"

grim "$FILE_RAW"

convert -scale $DOWNSCALE -scale $UPSCALE "$FILE_RAW" "$FILE"

swaylock --config ~/.config/sway/swaylock.config --image "$FILE" $@