#!/usr/bin/env bash
# Verify e2e shim prerequisites (SAND-WP-0004-T04).
set -euo pipefail

ERR=0

check_cmd() {
  if command -v "$1" >/dev/null 2>&1; then
    echo "OK  $1 → $(command -v "$1")"
  else
    echo "FAIL $1 not on PATH" >&2
    ERR=1
  fi
}

echo "==> CLI prerequisites"
check_cmd validate
check_cmd sandboxer

echo "==> Host env (one required for make e2e)"
if [[ -n "${SANDBOXER_HOST:-}" || -n "${RAILIANCE01_HOST:-}" ]]; then
  echo "OK  host env: SANDBOXER_HOST=${SANDBOXER_HOST:-} RAILIANCE01_HOST=${RAILIANCE01_HOST:-}"
else
  echo "WARN no SANDBOXER_HOST or RAILIANCE01_HOST (set before remote run)" >&2
fi

if [[ -n "${SANDBOXER_COMPOSE_CMD:-}" ]]; then
  echo "OK  SANDBOXER_COMPOSE_CMD=${SANDBOXER_COMPOSE_CMD}"
else
  echo "WARN SANDBOXER_COMPOSE_CMD unset (use podman-compose on CoulombCore)" >&2
fi

REPO="${VERIFY_REPO:-sand-boxer}"
REPO_PATH="${HOME}/${REPO}"
if [[ -f "${REPO_PATH}/e2e/e2e.yml" ]]; then
  echo "OK  fixture repo: ${REPO_PATH}/e2e/e2e.yml"
else
  echo "WARN ${REPO_PATH}/e2e/e2e.yml missing (set VERIFY_REPO)" >&2
fi

echo "==> Optional remote run (VERIFY_E2E_RUN=1)"
if [[ "${VERIFY_E2E_RUN:-}" == "1" ]]; then
  test -n "${SANDBOXER_HOST:-${RAILIANCE01_HOST:-}}" || {
    echo "FAIL SANDBOXER_HOST required for VERIFY_E2E_RUN" >&2
    exit 1
  }
  cd "$(dirname "$0")/.."
  make e2e "REPO=${REPO}" NO_REPORT=1
  echo "OK  make e2e REPO=${REPO}"
fi

if [[ "$ERR" -ne 0 ]]; then
  exit 1
fi
echo "==> PASS prerequisites"