#!/bin/sh

increase=0

# Reading from config
config="$HOME/.config/hypr/hyprland.conf"
def_gaps_out="$(grep "^\s*gaps_out" $config | awk '{print $3}')"
[ -z "$def_gaps_out" ] && def_gaps_out=12
def_gaps_in="$(grep  "^\s*gaps_in"  $config | awk '{print $3}')"
[ -z "$def_gaps_in" ]  && def_gaps_in=12
def_rounding="$(grep "^\s*rounding" $config | awk '{print $3}')"
[ -z "$def_rounding" ] && def_rounding=10

case $1 in
    -i)
        increase=1
        ;;
    -d)
        increase=0
        ;;
    -r)
        hyprctl keyword general:gaps_out $def_gaps_out
        hyprctl keyword general:gaps_in $def_gaps_in
        hyprctl keyword decoration:rounding $def_rounding
        exit 0
        ;;
    -t)
        gaps_out="$(hyprctl getoption general:gaps_out | grep "int" | awk '{print $2}')"
        if [ $gaps_out = 0 ]; then
            hyprctl keyword general:gaps_out $def_gaps_out
            hyprctl keyword general:gaps_in $def_gaps_in
            hyprctl keyword decoration:rounding $def_rounding
        else
            hyprctl keyword general:gaps_out 0
            hyprctl keyword general:gaps_in 0
            hyprctl keyword decoration:rounding 0
        fi
        exit 0
        ;;
    *)
        exit 1
        ;;
esac

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

# Handing smooth rounding transition
notify-send "$max_rounding"
if [ $new_in -gt $def_rounding ]; then
    new_rounding=$def_rounding
else
    new_rounding=$new_in
fi
hyprctl keyword decoration:rounding "$new_rounding"

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