// ==UserScript==
// @name         知乎专栏 Markdown 扩展支持
// @namespace    https://github.com/discountry/zhihumarkdown
// @require      https://cdn.bootcss.com/remarkable/1.7.1/remarkable.min.js
// @version      0.1
// @description  Add Markdown Support for Zhihu Zhuanlan Editor
// @author       Discountry
// @match        https://zhuanlan.zhihu.com/write
// @match        https://zhuanlan.zhihu.com/p/*/edit
// @grant        unsafeWindow
// @copyright    2017+, @余博伦
// @downloadURL none
// ==/UserScript==

(function() {
    'use strict';
    var initWatcher = setInterval(function () {
    console.log('watch');
    if (unsafeWindow.angular) {
            clearInterval(initWatcher);
            init();
        }
    }, 100);

    function init() {
        console.log('angular', unsafeWindow.angular);
        console.log("Makrdown Included!");

        var md = new Remarkable();

        var toMD = function() {
          var plainContent = unsafeWindow.document.querySelector("#js-entry-content");
          console.log(plainContent.innerText);
          plainContent.innerHTML = md.render(plainContent.innerText);
        };
        unsafeWindow.toMD = toMD;
    }

    function createButton() {
        var toolBar = unsafeWindow.document.querySelector(".goog-toolbar");
        var toMarkdownButton = '<div class="goog-inline-block goog-toolbar-button" title="清除格式" role="button" id="markdown" style="user-select: none;" onclick="window.toMD()"><div class="goog-inline-block goog-toolbar-button-outer-box" style="user-select: none;"><div class="goog-inline-block goog-toolbar-button-inner-box" style="user-select: none;"><div class="tr-icon tr-code" style="user-select: none;"></div></div></div></div>';
        toolBar.insertAdjacentHTML('beforeend', toMarkdownButton);
        console.log("Button Added!");
    }

    setTimeout(createButton, 1000);

})();