#!/bin/bash
# XScreenSaver Helper Script for Debian /w MATE Desktop -- www.LostGeek.NET  /  Ben(a)LostGeek.NET

# Step 1: Uninstall mate-screensaver and pin it
echo "Uninstalling mate-screensaver..."
pkill -f mate-screensaver || true  # Stop any running mate-screensaver processes
systemctl --user stop mate-screensaver.service || true  # Stop user service if running
sudo apt-get remove --purge -y mate-screensaver mate-screensaver-common

# Pin the package to prevent reinstallation
echo "Pinning mate-screensaver to prevent reinstallation..."
echo -e "Package: mate-screensaver\nPin: release *\nPin-Priority: -1" | sudo tee /etc/apt/preferences.d/00no-mate-screensaver > /dev/null

# Step 2: Ask user if they want to install xscreensaver with extras or not
echo "Install Xscreensaver with extras (GL and GL Extras)?"
echo "1) Yes, with extras"
echo "2) Manually install replacement"
read -rp "Enter 1 or 2 (default: 1): " choice
choice=${choice:-1}  # Default to 1 if empty
[[ "$choice" == 1 ]] && sudo apt-get install -y xscreensaver xscreensaver-gl xscreensaver-gl-extra || echo "You can install a replacement manually."

# Step 3: Configure xscreensaver as the screen locker for MATE
echo "Set xscreensaver as screen locker for MATE?"
read -rp "Enter 1 to enable, 2 to skip (default: 1): " lock_choice
lock_choice=${lock_choice:-1}  # Default to 1 if empty
if [[ "$lock_choice" == 1 && $(dpkg -l | grep -q xscreensaver) ]]; then
  echo "Setting xscreensaver as screen locker..."
  sudo ln -sf /usr/bin/xscreensaver-command /usr/bin/gnome-screensaver-command
  AUTOSTART_DIR="$HOME/.config/autostart"
  mkdir -p "$AUTOSTART_DIR"
  if ! grep -q "xscreensaver" "$AUTOSTART_DIR/xscreensaver.desktop"; then
    echo "Adding xscreensaver to startup..."
    echo -e "[Desktop Entry]\nName=Xscreensaver\nExec=xscreensaver -nosplash\nType=Application\nX-GNOME-Autostart-enabled=true" > "$AUTOSTART_DIR/xscreensaver.desktop"
  fi
else
  echo "Skipping xscreensaver setup or not installed."
fi

# Step 4: Sonar ping effect
echo "One last thing... Sonar can run real pings on your network for a cool effect (requires privileges)."
read -rp "Run real pings with Sonar? (y/n, default: y): " ans
ans=${ans,,}  # Convert to lowercase
if [[ -z "$ans" || "$ans" =~ ^(y|yes)$ ]]; then
  echo "Enabling real pings (SETUID)..."
  sudo chmod +s /usr/libexec/xscreensaver/sonar
else
  echo "Simulating pings, no changes made."
fi

echo "Setup complete."
exit 0