setup-printer

#!/bin/bash

set -euo pipefail

echo "==> Starting printer setup..."

# Ensure CUPS is running
echo "==> Ensuring CUPS service is enabled and started..."
sudo systemctl enable --now cups.service

# Prompt for manual or discovered IP
read -rp "Do you want to auto-discover printers via mDNS? [y/N] " autodiscover

if [[ "$autodiscover" =~ ^[Yy]$ ]]; then
  echo "==> Scanning for mDNS printers on the network (using avahi)..."
  avahi-browse -rt _ipp._tcp | grep '=' | grep IPv4 | awk -F';' '{ print $4 " (" $8 ")" }'
  echo ""
  read -rp "Enter the hostname of the printer from above (e.g., 'HP-OfficeJet.local'): " PRINTER_HOST
  URI="ipp://$PRINTER_HOST/ipp/print"
else
  read -rp "Enter the IP address of the printer (e.g., 192.168.1.100): " IP
  read -rp "Protocol to use (ipp/socket) [ipp]: " PROTOCOL
  PROTOCOL=${PROTOCOL:-ipp}
  if [[ "$PROTOCOL" == "socket" ]]; then
    URI="socket://$IP"
  else
    URI="ipp://$IP/ipp/print"
  fi
fi

# Prompt for name and driver
read -rp "Enter a name for your printer (e.g., OfficePrinter): " PRINTER_NAME
read -rp "Enter a description (optional): " DESCRIPTION
read -rp "Enter the PPD or driver path (or leave blank for automatic): " DRIVER_PATH

echo "==> Adding printer with lpadmin..."
if [[ -z "$DRIVER_PATH" ]]; then
  sudo lpadmin -p "$PRINTER_NAME" -E -v "$URI" -D "$DESCRIPTION" -m everywhere
else
  sudo lpadmin -p "$PRINTER_NAME" -E -v "$URI" -D "$DESCRIPTION" -P "$DRIVER_PATH"
fi

echo "==> Setting printer as default..."
sudo lpoptions -d "$PRINTER_NAME"

echo "✅ Printer '$PRINTER_NAME' set up and made default."