/** 注册/绑定成功后进入 H5 弹出一次「关注公众号」引导 */

const FOLLOW_PROMPT_KEY = 'oms.h5.followPrompt';

export function markH5FollowPromptPending(): void {
  try {
    sessionStorage.setItem(FOLLOW_PROMPT_KEY, '1');
  } catch {
    /* ignore */
  }
}

export function peekH5FollowPromptPending(): boolean {
  try {
    return sessionStorage.getItem(FOLLOW_PROMPT_KEY) === '1';
  } catch {
    return false;
  }
}

/** 取出并清除标记；仅在确定要展示弹窗时调用 */
export function consumeH5FollowPromptPending(): boolean {
  if (!peekH5FollowPromptPending()) return false;
  try {
    sessionStorage.removeItem(FOLLOW_PROMPT_KEY);
  } catch {
    /* ignore */
  }
  return true;
}