// 所有记录入口使用同一绑定检查，个人资料、头像与邀请不受影响。
let showing = false;
function hasRecordAccess() { const id = wx.getStorageSync('coupleId'); return !!id && String(id) !== '0'; }
function invitePartner() {
  getApp().globalData.openProfileBind = true;
  wx.switchTab({url:'/pages/profile/profile'});
}
function requireRecordAccess(onCancel) {
  if (hasRecordAccess()) return true;
  if (showing) return false;
  showing = true;
  wx.showModal({
    title:'邀请另一半，开启共同记录',
    content:'绑定情侣后，就可以一起写日记、收藏照片、记录纪念日和使用其他记录功能。邀请TA加入，开始你们的生活手账吧。',
    confirmText:'立即邀请', cancelText:'暂时不了', confirmColor:'#B74768',
    success(result) { if (result.confirm) invitePartner(); else if (onCancel) onCancel(); },
    fail() { if (onCancel) onCancel(); },
    complete() { showing = false; }
  });
  return false;
}
function guardRecordEntries(definition, names) {
  names.forEach(name => {
    const original = definition[name];
    if (original) definition[name] = function(...args) {
      if (!requireRecordAccess()) return;
      return original.apply(this, args);
    };
  });
  return definition;
}
// 分享链接、历史页面栈等直接进入二级页面时同样拦截，不加载数据。
function withRecordAccess(definition) {
  function enter(page, original, args) {
    const allowed = hasRecordAccess();
    page.setData({recordAccessBlocked:!allowed});
    if (!allowed) {
      requireRecordAccess(() => wx.switchTab({url:'/pages/index/index'}));
      return;
    }
    return original && original.apply(page, args);
  }
  const load = definition.onLoad, show = definition.onShow, change = definition.onDataChanged;
  definition.onLoad = function(...args) {
    this.setData({recordAccessBlocked:true});
    const app = typeof getApp === 'function' && getApp();
    this._recordEntryReady = Promise.resolve(app && app.ensureAuth ? app.ensureAuth() : null)
      .then(() => enter(this, load, args)).catch(error => {
        console.warn('检查记录权限失败', error);
        wx.showToast({title:'登录状态获取失败，请重新进入',icon:'none'});
      });
    return this._recordEntryReady;
  };
  definition.onShow = function(...args) {
    return Promise.resolve(this._recordEntryReady).then(() => enter(this, show, args));
  };
  definition.onDataChanged = function(...args) { return enter(this, change, args); };
  return definition;
}
module.exports = {hasRecordAccess, requireRecordAccess, invitePartner, guardRecordEntries, withRecordAccess};