#!/bin/bash
# Usage: opacity.sh [increase|decrease]

STEP=0.1
ADDRESS=$(hyprctl activewindow -j | grep -oP '"address": "\K[^"]+')
CURRENT=$(hyprctl getprop active opacity | grep -oP '[\d.]+' | head -1)

if [[ -z "$CURRENT" ]]; then
  CURRENT=1.0
fi

if [[ "$1" == "increase" ]]; then
  NEW=$(echo "$CURRENT + $STEP" | bc)
else
  NEW=$(echo "$CURRENT - $STEP" | bc)
fi

# Clamp between 0.1 and 1.0
NEW=$(echo "if ($NEW > 1.0) 1.0 else if ($NEW < 0.1) 0.1 else $NEW" | bc)

hyprctl dispatch setprop active opacity "$NEW"