export const resetPageScroll = () => {
  const scrollTop = () => {
    uni.pageScrollTo({ scrollTop: 0, duration: 0 });
    if (typeof window !== 'undefined') {
      window.scrollTo({ top: 0, left: 0, behavior: 'auto' });
      document.documentElement.scrollTop = 0;
      document.body.scrollTop = 0;
    }
  };

  scrollTop();
  setTimeout(scrollTop, 0);
  setTimeout(scrollTop, 80);
  setTimeout(scrollTop, 240);
};

export const scrollPageToSelector = (selector: string, offset = 16) => {
  const scrollToTarget = () => {
    if (typeof window !== 'undefined' && typeof document !== 'undefined') {
      const element = document.querySelector<HTMLElement>(selector);
      if (element) {
        const scrollTop = Math.max(0, window.scrollY + element.getBoundingClientRect().top - offset);
        uni.pageScrollTo({ scrollTop, duration: 0 });
        window.scrollTo({ top: scrollTop, left: 0, behavior: 'auto' });
        document.documentElement.scrollTop = scrollTop;
        document.body.scrollTop = scrollTop;
        return;
      }
    }

    uni.createSelectorQuery()
      .select(selector)
      .boundingClientRect((rect) => {
        const target = Array.isArray(rect) ? rect[0] : rect;
        if (target && typeof target.top === 'number') {
          uni.pageScrollTo({ scrollTop: Math.max(0, target.top - offset), duration: 0 });
        }
      })
      .exec();
  };

  scrollToTarget();
  setTimeout(scrollToTarget, 0);
  setTimeout(scrollToTarget, 80);
  setTimeout(scrollToTarget, 240);
};

const switchToToday = () => {
  uni.switchTab({ url: '/pages/user/today/index' });
};

export const navigateBackToToday = () => {
  if (getCurrentPages().length <= 1) {
    switchToToday();
    return;
  }
  uni.navigateBack({
    delta: 1,
    fail: switchToToday
  });
};