#!/usr/bin/env bash
set -euo pipefail

script_dir="$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")" && pwd)"
output="${1:-${script_dir}/seed.iso}"
seed_files=(
  "$script_dir/Autounattend.xml"
  "$script_dir/Configure-Windows.ps1"
)
# Numbered installer scripts (10-Install-Git.bat, 20-..., in install order).
shopt -s nullglob
seed_files+=("$script_dir"/[0-9][0-9]-*.bat)
shopt -u nullglob

mkdir -p "$(dirname -- "$output")"
if command -v xorriso >/dev/null 2>&1; then
  xorriso -as mkisofs -quiet -o "$output" -V CIDATA -J -r "${seed_files[@]}"
elif command -v genisoimage >/dev/null 2>&1; then
  genisoimage -quiet -o "$output" -V CIDATA -J -r "${seed_files[@]}"
elif command -v mkisofs >/dev/null 2>&1; then
  mkisofs -quiet -o "$output" -V CIDATA -J -r "${seed_files[@]}"
else
  printf 'Error: install xorriso, genisoimage, or mkisofs.\n' >&2
  exit 1
fi
printf 'Built Windows 11 answer-file ISO: %s\n' "$output"