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

REPO_ROOT="$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")" && pwd)"
LINUXCNC_ROOT="${REPO_ROOT}/linuxcnc"
CASE_DIR="${LINUXCNC_ROOT}/configs/sim/gmoccapy"
CASE_NAME="${1:-gmoccapy.ini}"

if [[ "${CASE_NAME}" == */* || "${CASE_NAME}" != *.ini ]]; then
  printf 'case must be an .ini filename in %s\n' "${CASE_DIR}" >&2
  exit 2
fi

CASE_INI="${CASE_DIR}/${CASE_NAME}"
if [[ ! -f "${CASE_INI}" ]]; then
  printf 'gmoccapy configuration not found: %s\n' "${CASE_INI}" >&2
  exit 1
fi
if [[ ! -x /usr/bin/linuxcnc ]]; then
  printf 'LinuxCNC launcher not found: /usr/bin/linuxcnc\n' >&2
  exit 1
fi

cd "${LINUXCNC_ROOT}"
exec /usr/bin/linuxcnc -r "${CASE_INI}"