set -euo pipefail

if [ "$USER" != "guest" ]; then
    exit 0
fi

GUEST_HOME="/home/guest"
SKELETON="/home/guest-freeze"

# Validate guest home directory: check if it's a symlink
if [ -L "$GUEST_HOME" ]; then
    echo "Home directory is a symlink. Removing it and restoring as a directory."
    rm -f "$GUEST_HOME"  # Remove the symlink
    
    # Recreate the home directory as a proper directory
    mkdir -p "$GUEST_HOME"
fi

# Validate guest home directory exists and is not a symlink
if [ ! -d "$GUEST_HOME" ]; then
    echo "Unsafe guest home or home directory creation failed."
    exit 1
fi

# Remove contents safely (if any) while ignoring "file not found" errors
find "$GUEST_HOME" -mindepth 1 -xdev -exec rm -rf -- {} + 2>/dev/null || true

# Restore skeleton safely
rsync -a --safe-links --no-devices --no-specials \
      "$SKELETON"/ "$GUEST_HOME"/

# Fix ownership and permissions
chown -R guest:guest "$GUEST_HOME"
chmod 700 "$GUEST_HOME"