/**
 * 立项确认防双击：同步 in-flight 锁 + 提交态文案。
 * React state（bootstrapId / submitting）不能单独阻止并发入口。
 */

export type CreateProjectInFlightLock = { current: boolean };

export type CreateProjectSubmitPhase = 'creating' | 'syncing_members';

/** 入口立即抢锁；已在途返回 false，调用方必须直接 return。 */
export function beginCreateProjectSubmit(lock: CreateProjectInFlightLock): boolean {
  if (lock.current) return false;
  lock.current = true;
  return true;
}

/** finally 中释放，失败后允许串行幂等重试。 */
export function endCreateProjectSubmit(lock: CreateProjectInFlightLock): void {
  lock.current = false;
}

export function resolveCreateProjectSubmitPhase(
  bootstrapProjectId: number | null,
): CreateProjectSubmitPhase {
  return bootstrapProjectId != null && bootstrapProjectId > 0 ? 'syncing_members' : 'creating';
}

export function createProjectSubmitButtonLabel(
  submitting: boolean,
  phase: CreateProjectSubmitPhase | null,
): string {
  if (!submitting) return '确认立项并创建会话';
  if (phase === 'syncing_members') return '同步成员中';
  return '立项中';
}

export function shouldBlockCreateProjectClose(submitting: boolean): boolean {
  return submitting;
}

/** Software projects must not clone the medical 7-template pack. */
export function shouldCloneMedicalTemplates(productDomain: string | undefined): boolean {
  return productDomain !== 'non_medical_software';
}