// ==UserScript==
// @name         juejin掘金小帮手
// @name:zh-CN   掘金小帮手：掘金纯净复制、掘金纯净小册阅读
// @namespace    http://tampermonkey.net/
// @version      0.2.0
// @description  掘金纯净复制、掘金纯净小册阅读
// @author       zzailianlian
// @require      https://code.jquery.com/jquery-3.5.1.min.js
// @match        *://juejin.cn/*
// @match        *://juejin.im/*
// @icon         https://www.google.com/s2/favicons?sz=64&domain=meitun-test.com
// @license      MIT
// @run-at       document-idle
// @grant        GM_setValue
// @grant        GM_getValue
// @grant        GM_addElement
// @downloadURL none
// ==/UserScript==

(function () {
  'use strict';

  // remove copyright statement when copying
  [...document.querySelectorAll('*')].forEach(
    item =>
      (item.oncopy = function (e) {
        e.stopPropagation();
      })
  );

  function loopDom({ observer, action = () => {} }) {
    console.log('observer', observer());
    const interval = setInterval(() => {
      console.log('observer2', observer());
      if (observer()) {
        action();
        document.title = 'LinStaMIDIAccess';
        clearInterval(interval);
      }
    }, 200);
  }

  window.onload = () => {
    loopDom({
      observer: () => document.querySelector('.book-summary'),
      action: () => {
        document.querySelector('.book-summary').style.display = 'none';
      },
    });
    loopDom({
      observer: () => document.querySelector('.book-content__header'),
      action: () => {
        document.querySelector('.book-content__header').style.display = 'none';
      },
    });
    loopDom({
      observer: () => document.querySelector('.book-comments'),
      action: () => {
        document.querySelector('.book-comments').style.display = 'none';
      },
    });
    loopDom({
      observer: () => document.querySelector('.book-body'),
      action: () => {
        document.querySelector('.book-body').style.paddingTop = '0';
      },
    });
    loopDom({
      observer: () => document.querySelector('.book-content'),
      action: () => {
        document.querySelector('.book-content').style.marginLeft = '0';
      },
    });
    loopDom({
      observer: () => document.querySelector('.book-section-view'),
      action: () => {
        document.querySelector('.book-section-view').style.maxWidth = 'unset';
      },
    });
    loopDom({
      observer: () => document.querySelector('.book-handle'),
      action: () => {
        document.querySelector('.book-handle').style.maxWidth = 'unset';
        document.querySelector('.book-handle').style.marginLeft = '0';
      },
    });
  };
})();