#!/bin/bash

# Function to create user if it doesn't exist
create_user() {
    if ! id "$1" &>/dev/null; then
        echo "Creating user: $1"
        useradd -m "$1"
    fi
}

# Function to set password for user
set_password() {
    echo "Setting password for $1"
    echo "$1:$2" | chpasswd
}

# Function to modify GNOME settings
modify_gnome_settings() {
    dconf write /org/gnome/desktop/session/idle-delay 0
    dconf write /org/gnome/desktop/interface/clock-show-seconds true
    dconf write /org/gnome/settings-daemon/plugins/power sleep-inactive-ac-type 'nothing'
    dconf write /org/gnome/desktop/interface show-battery-percentage true
    dconf write /org/gnome/mutter/experimental-features "['scale-monitor-framebuffer','variable-refresh-rate']"
    sudo mkdir -p /etc/dconf/db/local.d/locks/
    sudo touch /etc/dconf/db/local.d/locks/00-default-wallpaper
    echo -e "/org/gnome/desktop/background/picture-uri\n/org/gnome/desktop/background/picture-options\n/org/gnome/desktop/background/primary-color\n/org/gnome/desktop/background/secondary-color" | sudo tee -a /etc/dconf/db/local.d/locks/00-default-wallpaper
    dconf update
}

# Check and create users
create_user eleve
create_user prof
create_user admin

# Set passwords
if [ "$(id -u)" = "0" ]; then
    set_password prof "IPRprof2398"
    set_password admin "Lprsnm4ehk26-"
    passwd -d eleve # Set empty password for eleve
    
    # Modify GNOME settings
    modify_gnome_settings
else
    echo "Password setting and GNOME settings modification require root privileges. Please run as root."
fi