// ==UserScript==
// @name         微软 Rewards 前台授权助手
// @namespace    Soul233
// @version      0.3.0
// @author       Soul233
// @description  微软积分商城签到配套脚本，捕获 https://login.live.com/oauth20_desktop.srf?code=... 并通过 @storageName 与后台通信
// @match        https://login.live.com/oauth20_desktop.srf*
// @grant        GM_setValue
// @grant        GM_getValue
// @grant        GM_notification
// @grant        GM_log
// @storageName  rewards-bus
// ==/UserScript==

(function(){
  "use strict";
  const BUS = { PENDING: "auth:pending", RESULT: "auth:result" };
  function log(s){ try{ GM_log("[FE] " + s); }catch(_){} }

  try{
    const u = new URL(location.href);
    const code = u.searchParams.get("code");
    const err  = u.searchParams.get("error");
    const pend = GM_getValue(BUS.PENDING, null);
    const id = pend?.id || ("manual-" + Date.now());

    if (code){
      log(`captured code (manual=${!pend})`);
      GM_setValue(BUS.RESULT, { id, code: String(code).trim(), ts: Date.now(), manual: !pend });
      GM_notification({ title:"捕获到 code", text: String(code).slice(0,24)+"..." });
      try{ history.replaceState({}, "", "about:blank"); }catch(_){}
      setTimeout(()=>{ try{ window.close(); }catch(_){ } }, 200);
    } else if (err){
      GM_setValue(BUS.RESULT, { id, err: err, ts: Date.now(), manual: !pend });
    }
  }catch(_){}
})();