#!/usr/bin/env sh

increase=0
if [ "$1" != "-i" ] && [ "$1" != "-d" ] || [ -z "$2" ]; then
    echo "Wrong number of arguments"
    exit 1
else
    [ "$1" = "-i" ] && increase=1
fi

amount="$2"
curr_out="$(hyprctl -j getoption general:gaps_out | jq '.int')"

if [ $increase = 1 ]; then
    new_out=$(($curr_out + $amount))
else
    new_out=$(($curr_out - $amount))
fi

new_in="$(($new_out / 2))"

if [ $new_out -lt 0 ] || [ $new_in -lt 0 ]; then
    new_out=0
    new_in=0
fi

hyprctl keyword general:gaps_out "$new_out"
hyprctl keyword general:gaps_in  "$new_in"