// ==UserScript==
// @name         巴哈姆特之刪除動畫瘋中獎信件
// @description  一鍵刪除惱人的中獎信件，本腳本雖經過測試，但無法保證不會誤刪，請理解風險後再使用
// @namespace    nathan60107
// @version      1.2
// @author       nathan60107(貝果)
// @homepage     https://home.gamer.com.tw/homeindex.php?owner=nathan60107
// @match        https://mailbox.gamer.com.tw/?l=1
// @grant        none
// @downloadURL https://update.greasyfork.icu/scripts/399420/%E5%B7%B4%E5%93%88%E5%A7%86%E7%89%B9%E4%B9%8B%E5%88%AA%E9%99%A4%E5%8B%95%E7%95%AB%E7%98%8B%E4%B8%AD%E7%8D%8E%E4%BF%A1%E4%BB%B6.user.js
// @updateURL https://update.greasyfork.icu/scripts/399420/%E5%B7%B4%E5%93%88%E5%A7%86%E7%89%B9%E4%B9%8B%E5%88%AA%E9%99%A4%E5%8B%95%E7%95%AB%E7%98%8B%E4%B8%AD%E7%8D%8E%E4%BF%A1%E4%BB%B6.meta.js
// ==/UserScript==

var myMailBox = Array(), myDate = Array();//暫存信件編號與日期的變數

function isAniBabi(mail) {//檢查是否是巴幣中獎信
  return null != mail.match(/恭喜您於[\d\/]+答對了動畫瘋的問答遊戲！\n本次獎勵：[\d]+ 巴幣\n目前已完成巴幣的發送！\n\n--\n本信件為系統通知信件，請勿回覆！/);
}

function strip(html) {//去除html成份 只留下純文字
  var tmp = document.createElement("DIV");
  tmp.innerHTML = html;
  return tmp.textContent || tmp.innerText;
}

function myReload() {
  location.reload();
}

function changeButtonText(text, isActive, func) {//改變按鈕文字與屬性
  jQuery(".delAniBabi").html("\n\t<a class=\"not-active\">" + text + "</a>\n\t");
  jQuery(".delAniBabi")[0].childNodes[1].attributes[0].nodeValue = isActive ? "is-active" : "not-active";
  if (isActive) {
    jQuery(".delAniBabi").click(func)
  }
}

function delMail(mailSn, date, mailContent, mailNumber) {//刪除指定信件並通知
  var t = jQuery, i = window.mailbox, e = mailSn;

  t.post("/ajax/" + i.boxType + "Del.php", "csrfToken=" + t("input[name=csrfToken]").val() + "&del[]=" + e, function (a) {
    if (a.code != 0) {
      toastr.warning("刪除第" + mailNumber + "封信ERROR:" + a.message);
      console.log(a);
    } else {
      console.log(mailSn, "已刪除" + date + "的中獎通知:" + mailContent.replaceAll("\n", ""))
      toastr.success("已刪除" + date + "的中獎通知");
    }
  }, "json");
}

function getMail(mailNumber) {//取得信件並決定是否刪除
  var t = jQuery, i = window.mailbox, e = String(myMailBox[mailNumber].substr(9, 19)), date = myDate[mailNumber];
  changeButtonText("正在檢查第" + String(mailNumber) + "封信...", false)

  t.post({
    url: "/ajax/" + window.mailbox.boxType + "Read.php",
    data: { sn: e },//用jsonText會出現信件編號錯誤 jsonText=JSON.stringify(json)
    dataType: "json",
    success: function (a) {
      if (a.code != 0) {
        toastr.warning("檢查第" + e + "封信ERROR:" + a.message);
        console.log(a);
      } else {
        var mailContent = strip(window.mailbox.changetxt(a.data));

        if (isAniBabi(mailContent)) {
          delMail(e, date, mailContent, mailNumber);
        }
      }

      if (mailNumber + 1 < myMailBox.length) {//遞迴讀取下一封信，不一封封依序讀取的話會有SyntaxError: "JSON.parse: unexpected character at line 1 column 1 of the JSON data"。
        setTimeout(function () { getMail(mailNumber + 1); }, 150);//兩封信之間的間隔太短會有JSON error
      } else {//所有信件檢查完畢，要求使用者重整。
        changeButtonText("刪除完畢 請點此重整頁面", true, myReload);
      }
    },
    error: function (XMLHttpRequest, textStatus, errorThrown) {
      changeButtonText("未知的錯誤 程序已停止", true, myReload);
      console.log("fail")
      console.log(e)
      console.log(mailNumber, e, date, XMLHttpRequest.statusText, textStatus, errorThrown);
      console.log({ sn: e }, JSON.stringify({ sn: e }))
    }
  });
}

function getMailList(page) {//讀取第page頁的信件列表
  var e = page;
  changeButtonText("正在讀第" + String(page) + "頁列表...", false)

  jQuery.post("/ajax/inboxList.php", {
    p: e,
    s: window.mailbox.searchUser
  }, function (t) {
    if (t.code != 0) {
      toastr.warning("檢查第" + e + "封信ERROR:" + t.message);
      console.log(t);
    } else {
      var result = t.data.match(/data-sn=\"[0-9]{10}\_[0-9]{8}/g)
      var date = t.data.match(/[\d]{4}-[\d]{2}-[\d]{2}/g)
      console.log(t, jQuery(t.data).find('#BH-master .sticky-nav .row:nth-child(2)'))
      var [, curMailNumber, maxMailNumber] =
        jQuery(t.data).find('.sticky-nav .row:nth-child(2)').text()
          .match(/- (\d+) 封（共 (\d+) 封）/)

      myMailBox = myMailBox.concat(result)
      myDate = myDate.concat(date)

      if (curMailNumber >= maxMailNumber) {//列表全數讀取完畢，開始讀取信件內容。
        changeButtonText("正在刪除信件...", false)
        getMail(0);
      } else {//遞迴讀取下一頁的列表，不一頁頁依序讀取的話會有錯誤。
        setTimeout(function () { getMailList(page + 1); }, 100);
      }
    }
  })
}

function startDelAniBabi() {//查看所有信件
  toastr.options = {
    positionClass: 'toast-top-center',
    showDuration: 60,
    hideDuration: 120,
    tapToDismiss: false
  };

  var text = jQuery("#list_div").text();

  jQuery(".delAniBabi").off("click")
  getMailList(1);
};

//初始化toastr通知
jQuery('head').append('<script src="https://i2.bahamut.com.tw/js/plugins/toastr-2.1.3.min.js?v=1498617831"></script>');
jQuery('head').append('<link href="https://i2.bahamut.com.tw/css/plugins/toastr.min.css?v=1498617831" rel="stylesheet" type="text/css">');
jQuery('head').append('<style> .toast-top-center { top: 80px; right: 0; width: 100%; } </style>');

(function () {
  //設置刪除中獎信按鈕
  var writeMail = jQuery(".BH-menu-forumA-back");
  writeMail.after(`<li class="BH-menu-forumA-back delAniBabi">
	<a class="is-active">刪除巴幣中獎信</a>
	</li>`);
  jQuery(".delAniBabi")[0].style.marginRight = "5px";
  jQuery(".delAniBabi").click(startDelAniBabi)

})();

/*reference
等元素載入完畢: https://www.itread01.com/content/1545263124.html
jQuery: https://ithelp.ithome.com.tw/articles/10095237
getType: http://iambigd.blogspot.com/2012/10/javascript.html
html2text: https://stackoverflow.com/questions/822452/strip-html-from-text-javascript
promise: https://developer.mozilla.org/zh-TW/docs/Web/JavaScript/Reference/Global_Objects/Promise
         https://developer.mozilla.org/zh-TW/docs/Web/JavaScript/Guide/Using_promises
正則: http://ccckmit.wikidot.com/regularexpression
run-at: https://codertw.com/程式語言/709052/#outline__1_9
插入在某元素之後: https://www.w3school.com.cn/jquery/jquery_dom_add.asp
在按鈕之間插入空格: https://stackoverflow.com/questions/19769033/jquery-beginner-how-to-insert-spaces-between-append
幫元素添加css: http://www.aaronlife.com/v1/notes/html_set_css_styles_using_javascript.html
正則的global用法與match: https://blog.csdn.net/vajoy/article/details/17020423
jQuery post:https://api.jquery.com/jquery.post/
            https://stackoverflow.com/questions/2833951/how-do-i-catch-an-ajax-query-post-error
串接array: https://www.w3schools.com/jsref/jsref_concat_array.asp
取消按鈕效果: https://api.jquery.com/click/
頁面重新整理: https://ithelp.ithome.com.tw/articles/10190061
*/