const api = require('../../utils/api');

// 允许加载的域名白名单
const ALLOWED_HOSTS = ['m.muguaclub.cn', 'muguaclub.cn'];

function isAllowedUrl(url) {
  if (!url) return false;
  try {
    // 简单解析 hostname
    const match = url.match(/^https?:\/\/([^/:?#]+)/i);
    if (!match) return false;
    const host = match[1].toLowerCase();
    return ALLOWED_HOSTS.some((h) => host === h || host.endsWith('.' + h));
  } catch (e) {
    return false;
  }
}

Page({
  data: {
    url: '',
    invalid: false
  },
  onLoad(options) {
    if (!options.url) {
      this.setData({ invalid: true });
      return;
    }
    const url = decodeURIComponent(options.url);
    if (!isAllowedUrl(url)) {
      console.warn('[webview] blocked url:', url);
      this.setData({ invalid: true, url: '' });
      return;
    }
    this.setData({ url, invalid: false });
  },

  onRetry() {
    if (this.data.url) {
      // 触发重新加载
      this.setData({ url: '' });
      setTimeout(() => {
        this.setData({ url: this.data._url || '' });
      }, 50);
    }
  },
  // ---- 分享 ----
  onShareAppMessage() {
    return {
      title: '明缘云道场',
      path: '/pages/home/home'
    };
  },

  onShareTimeline() {
    return {
      title: '明缘云道场 · 学习成长，每日精进',
      query: 'from=timeline'
    };
  }
});