import type { WechatShareData } from '@dukang/weixin-sdk';
import { getWechatShareLink, toAppPath } from '@dukang/weixin-sdk';
import { isWechatEnv, weixinSdk } from './weixin';

export const DEFAULT_SHARE_TITLE = '你吃饭，杜康买单';
export const DEFAULT_SHARE_DESC = '杜康好客 · 买酒享权益，全城门店可用';
export const WECHAT_SHARE_HINT = '请点击右上角 ··· 分享给好友';

export function getDefaultShareImageUrl(): string {
  if (typeof window === 'undefined') return toAppPath('/logo.png');
  return new URL(toAppPath('/logo.png'), window.location.origin).href;
}

export function buildDefaultShareData(
  overrides?: Partial<WechatShareData>,
): WechatShareData {
  return {
    title: overrides?.title ?? DEFAULT_SHARE_TITLE,
    desc: overrides?.desc ?? DEFAULT_SHARE_DESC,
    link: overrides?.link ?? getWechatShareLink(),
    imgUrl: overrides?.imgUrl ?? getDefaultShareImageUrl(),
  };
}

export async function applyDefaultWechatShare(
  overrides?: Partial<WechatShareData>,
): Promise<void> {
  if (!isWechatEnv()) return;
  await weixinSdk.setShare(buildDefaultShareData(overrides));
}

export function handleShareButtonClick(onHint: (message: string) => void): void {
  const showHint = (message: string) => {
    onHint(message);
    if (message) {
      window.setTimeout(() => onHint(''), 2500);
    }
  };

  if (!isWechatEnv()) {
    showHint('请在微信内打开后分享');
    return;
  }
  void applyDefaultWechatShare()
    .then(() => showHint(WECHAT_SHARE_HINT))
    .catch(() => showHint('分享配置失败，请刷新页面后重试'));
}