import { View, Text } from '@tarojs/components';
import Taro, { useLoad } from '@tarojs/taro';
import PageShell from '../../components/PageShell';
import { goLogin } from '../../lib/auth-nav';
import { isLoggedIn } from '../../lib/api';

function goHome() {
  Taro.switchTab({ url: '/pages/home/index' }).catch(() => {
    Taro.reLaunch({ url: '/pages/home/index' });
  });
}

function openOrder(orderId: string) {
  const detail = `/pages/order-detail/index?id=${encodeURIComponent(orderId)}`;
  if (!isLoggedIn()) {
    goLogin(detail);
    return;
  }
  Taro.redirectTo({ url: detail }).catch(() => {
    Taro.reLaunch({ url: detail });
  });
}

/** 主包落地：客服卡片 / 外链打开分包页（订单详情）前先落到这里，避免白屏 */
export default function OpenPage() {
  useLoad((query?: Record<string, string | undefined>) => {
    const orderId = String(query?.id || query?.orderId || '').trim();
    if (!orderId) {
      goHome();
      return;
    }
    openOrder(orderId);
  });

  return (
    <PageShell variant="plain">
      <View className="u-empty">
        <Text>正在打开…</Text>
      </View>
    </PageShell>
  );
}