// Visitor/Demo mode script for WeChat mini-program web-view
// Hides phone number 13800138000, replaces with "游览模式"
// Intercepts order/booking actions and notifies mini-program
(function(){
  // Detect demo mode:
  // 1. URL parameter isDemo=true (set by mini-program when loading in demo mode)
  // 2. Fallback: cookie contains 13800138000 (for direct browser access)
  function _isDemo(){
    try{
      if(location.search.indexOf("isDemo=true")>-1)return true;
      if(window.__DEMO_MODE__)return true;
      if(/13800138000/.test(decodeURIComponent(document.cookie)))return true;
    }catch(e){}
    return false;
  }

  // Replace phone number with "游览模式" in user info area
  // Target DOM: .user-info-content > .main-field and .sub-field
  function _maskUserInfo(){
    // Method 1: Direct class-based targeting (most reliable for smardaten platform)
    var mainFields = document.querySelectorAll('.user-info-content .main-field');
    var subFields = document.querySelectorAll('.user-info-content .sub-field');
    
    mainFields.forEach(function(el){
      var t = (el.textContent || '').trim();
      if(t && /1\d{10}/.test(t.replace(/\s|-/g,''))){
        el.textContent = '游览模式';
      }
    });
    
    subFields.forEach(function(el){
      var t = (el.textContent || '').trim();
      if(t && /1\d{10}/.test(t.replace(/\s|-/g,''))){
        el.textContent = '游览模式';
      }
    });

    // Method 2: Broader scan for any phone number display (backup)
    var allElements = document.querySelectorAll('*');
    allElements.forEach(function(el){
      if(el.children.length === 0){
        var t = (el.textContent || '').trim();
        if(/^1\d{10}$/.test(t.replace(/\s|-/g,'')) || t === '13800138000'){
          el.textContent = '游览模式';
        }
      }
    });

    // Hide user avatar in demo mode
    document.querySelectorAll('.mobile-user-info .user-avatar').forEach(function(img){
      img.style.display = 'none';
    });
    // Also hide by src pattern
    document.querySelectorAll('img').forEach(function(img){
      var src = img.src || '';
      if(src.indexOf('headPhoto') > -1 || src.indexOf('headphoto') > -1 || src.indexOf('avatar') > -1){
        // Only hide if inside user-info area
        if(img.closest('.mobile-user-info') || img.closest('.user-info-content')){
          img.style.display = 'none';
        }
      }
    });
  }

  // Intercept order/booking clicks
  function _interceptOrder(){
    document.addEventListener('click', function(e){
      var el = e.target;
      var t = (el.textContent || el.innerText || '').trim();
      var p = el.closest && el.closest('[class*=order],[class*=book],[class*=submit],[class*=btn]');
      if(/预约|下单|预订|提交订单|立即购买|确认下单|确认预约/.test(t) || 
         (p && /预约|下单|预订/.test(p.textContent || ''))){
        if(_isDemo()){
          e.preventDefault();
          e.stopPropagation();
          if(e.stopImmediatePropagation) e.stopImmediatePropagation();
          try{
            if(window.wx && wx.miniProgram){
              wx.miniProgram.postMessage({data:{action:'order'}});
            }
          }catch(ex){}
          alert('当前为游览模式，如需下单请先登录');
          return false;
        }
      }
    }, true);
  }

  function _init(){
    window.__DEMO_MODE__ = location.search.indexOf('isDemo=true') > -1 || 
                           document.cookie.indexOf('13800138000') > -1;
    if(_isDemo()){
      _maskUserInfo();
      _interceptOrder();
      // Keep observing DOM changes to handle dynamic content loading
      new MutationObserver(function(){
        _maskUserInfo();
      }).observe(document.body, {childList:true, subtree:true});
    }
  }

  if(document.readyState === 'loading'){
    document.addEventListener('DOMContentLoaded', _init);
  } else {
    _init();
  }
})();