/**
 * Scheduled task worker enablement.
 * Explicit H5_SCHEDULED_TASK_WORKER_ENABLED=1 always wins.
 * Explicit =0 always disables.
 * When unset, follow H5_REMINDER_WORKER_ENABLED so production schedule stacks
 * that already run reminder worker also execute scheduled automations.
 */
export function isScheduledTaskWorkerEnabled(env = process.env) {
  const explicit = String(env.H5_SCHEDULED_TASK_WORKER_ENABLED ?? '').trim();
  if (explicit === '1') return true;
  if (explicit === '0') return false;
  return env.H5_REMINDER_WORKER_ENABLED === '1';
}

export function scheduledTaskWorkerDisabledMessage(env = process.env) {
  if (isScheduledTaskWorkerEnabled(env)) return null;
  return '任务已保存，但当前环境未开启定时自动执行 Worker；到点不会自动跑任务。请联系管理员开启 H5_SCHEDULED_TASK_WORKER_ENABLED=1，或与 H5_REMINDER_WORKER_ENABLED=1 一并启用。';
}