#!/bin/bash

# Run as sudo
[ "$UID" -eq 0 ] || exec sudo -E "$0" "$@"

if grep -q powersave "/sys/devices/system/cpu/cpu0/cpufreq/scaling_governor";
then
    # Set CPU scaling governor
    for file in /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor;
    do
        echo "schedutil" > $file;
    done
    # Set refresh rate
    xrandr --output DP-4 --mode 2560x1600 --rate 165 > /dev/null 2>&1
    xrandr --output eDP --mode 2560x1600 --rate 165 > /dev/null 2>&1
    xrandr --output eDP-1 --mode 2560x1600 --rate 165 > /dev/null 2>&1
    # Set brightness
    for i in {1..3}; do brightness_up; done
    # Set composition settings
    sed -i 's/100:class_g/95:class_g/g' /home/nick/.config/picom/picom.conf
    sed -i 's/background_opacity: 1.00/background_opacity: 0.95/g' /home/nick/.config/alacritty/alacritty.yml
    sed -i 's/"glassit.alpha": 255,/"glassit.alpha": 242,/g' /home/nick/.config/Code/User/settings.json
    sed -i 's/blur-background = false;/blur-background = true;/g' /home/nick/.config/picom/picom.conf
    sed -i 's/shadow = false;/shadow = true;/g' /home/nick/.config/picom/picom.conf
    sed -i 's/fading = false;/fading = true;/g' /home/nick/.config/picom/picom.conf
    # Restart compositor
    pkill picom
    sleep .2
    picom -b
    # Done
    sudo -u nick DISPLAY=:0 DBUS_SESSION_BUS_ADDRESS=unix:path=/run/user/1000/bus notify-send  "Power Saving Mode is now inactive"
else
    # Set CPU scaling governor
    for file in /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor;
    do
        echo "powersave" > $file;
    done
    # Set refresh rate
    xrandr --output DP-4 --mode 2560x1600 --rate 60 > /dev/null 2>&1
    xrandr --output eDP --mode 2560x1600 --rate 60 > /dev/null 2>&1
    xrandr --output eDP-1 --mode 2560x1600 --rate 60 > /dev/null 2>&1
    # Set brightness
    for i in {1..3}; do brightness_down; done
    # Kill music visualizer
    pkill glava
    # Set composition settings
    sed -i 's/95:class_g/100:class_g/g' /home/nick/.config/picom/picom.conf
    sed -i 's/background_opacity: 0.95/background_opacity: 1.00/g' /home/nick/.config/alacritty/alacritty.yml
    sed -i 's/"glassit.alpha": 242,/"glassit.alpha": 255,/g' /home/nick/.config/Code/User/settings.json
    sed -i 's/blur-background = true;/blur-background = false;/g' /home/nick/.config/picom/picom.conf
    sed -i 's/shadow = true;/shadow = false;/g' /home/nick/.config/picom/picom.conf
    sed -i 's/fading = true;/fading = false;/g' /home/nick/.config/picom/picom.conf
    # Restart compositor
    pkill picom
    sleep .2
    picom -b
    # Done
    sudo -u nick DISPLAY=:0 DBUS_SESSION_BUS_ADDRESS=unix:path=/run/user/1000/bus notify-send "Power Saving Mode is now active"
fi