#!/usr/bin/env bash
# Fetch the MAME 0.236 SGI Indy (IP24) PROM set and verify every dump.
#
# The four images are the complete ROM set for MAME's indy_4610 machine.
# SHA-1 values come from MAME's src/mame/sgi/indy_indigo2.cpp ROM definitions.
set -euo pipefail

ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
DEST="${ROOT}/roms"
WORK="$(mktemp -d)"
trap 'rm -rf "${WORK}"' EXIT

URL="https://archive.org/download/mame-0.236-roms-split/MAME%200.236%20ROMs%20%28split%29/indy_4610.zip"

mkdir -p "${DEST}"

echo "Downloading ${URL}"
curl -fSL --retry 3 -o "${WORK}/indy_4610.zip" "${URL}"
unzip -q -o "${WORK}/indy_4610.zip" -d "${DEST}"

declare -A SHA1=(
  [ip24prom.070-9101-005.bin]=28b769b28218a1fcd0400dceef9a284dcfbdda5b
  [ip24prom.070-9101-007.bin]=ade54cd2ecb7064957f8602894f05685e2f4e8fb
  [ip24prom.070-9101-008.bin]=a752a4aef7e2c6086b8b0244e9f064861a11870f
  [ip24prom.070-9101-011.bin]=ac663a4db68528e400487e98cbf901f620fb30ce
)

status=0
for name in "${!SHA1[@]}"; do
  got="$(sha1sum "${DEST}/${name}" | cut -d' ' -f1)"
  if [[ "${got}" == "${SHA1[${name}]}" ]]; then
    printf 'ok   %s  %s\n' "${got}" "${name}"
  else
    printf 'FAIL %s  %s (expected %s)\n' "${got}" "${name}" "${SHA1[${name}]}" >&2
    status=1
  fi
done

exit "${status}"