const required = [
  'ENVIRONMENT',
  'STACK_NAME',
  'RELEASE_ID',
  'COMMIT_SHA',
  'WEB_IMAGE',
  'PUBLIC_HOST',
  'TRAEFIK_NETWORK',
  'SWARM_MANAGER_HOST',
  'SWARM_SSH_USER',
];

const missing = required.filter((name) => !process.env[name]);
if (missing.length > 0) {
  console.error(`Missing required deploy variables: ${missing.join(', ')}`);
  process.exit(1);
}

if (!/@sha256:[a-f0-9]{64}$/i.test(process.env.WEB_IMAGE ?? '')) {
  console.error(`WEB_IMAGE must be pinned by immutable digest, got: ${process.env.WEB_IMAGE}`);
  process.exit(1);
}

console.log(
  JSON.stringify({
    event: 'predeploy_check_passed',
    environment: process.env.ENVIRONMENT,
    stack: process.env.STACK_NAME,
    releaseId: process.env.RELEASE_ID,
    commitSha: process.env.COMMIT_SHA,
  }),
);