// ==UserScript==
// @name                highlight-my-interest
// @name:zh-CN          高亮关键词
// @description         highlight keywords in my favorites
// @description:zh-CN   高亮特定网页中感兴趣的关键词
// @version             0.2.2
// @author              jferroal
// @license             GPL-3.0
// @grant               none
// @require             https://greasyfork.org/scripts/31793-jmul/code/JMUL.js?version=209567
// @include             http://*
// @include             https://*
// @run-at              document-end
// @namespace           https://greasyfork.org/users/34556-jferroal
// @downloadURL none
// ==/UserScript==

(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
let JMUL = window.JMUL || {};

const Map = (list, fn) => {
  let result = [];
  if (list && list.length) {
    for (let i = 0; i < list.length; i += 1) {
      result.push(fn(list[ i ]));
    }
  }
  return result;
};

class TextElement {
  constructor (element) {
    this.element = new JMUL.Element(element);
    this.innerText = this.element.innerText;
    this.shouldHighlight = false;
  }

  detect () {
    for (const keyword of TextElement.keywords) {
      const keywordPattern = new RegExp(keyword, 'gi');
      if (keywordPattern.test(this.innerText)) {
        this.shouldHighlight = true;
        break;
      }
    }
    return this;
  }

  highlight () {
    if (this.shouldHighlight) {
      this.element.setCss(TextElement.highlightStyle);
    }
  }

  static init (setting) {
    TextElement.highlightStyle = {
      background: setting.highlightBgColor,
      color: setting.highlightTxtColor,
    };
  }

  static setKeywords (keywords) {
    TextElement.keywords = keywords;
  }

  static findAll () {
    return TextElement.targetTagNames.reduce((res, tagName) => {
      const tags = document.getElementsByTagName(tagName);
      return res.concat(Map(tags, (e) => new TextElement(e)));
    }, []);
  }
}

TextElement.targetTagNames = [ 'h1', 'h2', 'h3', 'h4', 'h5', 'p', 'a', 'pre', 'blockquote', 'summary' ];
module.exports = TextElement;

},{}],2:[function(require,module,exports){
const KeywordService = require('./keyword.service');
const SettingService = require('./setting.service');
const TextElement = require('./element');

const Config = {};

(function () {
  let highlightedCount = 0;
  // const href = window.location.href;
  const href = 'https://sspai.com';
  loadSetting().then((setting) => {
    KeywordService.init(setting, href);
    TextElement.init(setting);
    highlight()
  });
  window.addEventListener('scroll', highlight);

  function loadSetting () {
    SettingService.init(Config);
    return SettingService.load();
  }

  function highlight () {
    const elements = TextElement.findAll();
    if (elements.length === highlightedCount) return;
    KeywordService.list().then((keywords) => {
      TextElement.setKeywords(keywords);
      elements.map((e) => e.detect().highlight());
      highlightedCount = elements.length;
    });
  }
})();

},{"./element":1,"./keyword.service":3,"./setting.service":5}],3:[function(require,module,exports){
class KeywordService {
  static init (setting, href) {
    KeywordService.Setting = setting;
    const sites = Object.keys(KeywordService.Setting.keywords);
    if (sites && sites.length) {
      KeywordService.keywords = sites.reduce((res, site) => {
        const sitePattern = new RegExp(site, 'gi');
        return res.concat((sitePattern.test(href) && KeywordService.Setting.keywords[ site ]) || []);
      }, []);
    }
  }

  static list () {
    return Promise.resolve(KeywordService.keywords);
  }
}

module.exports = KeywordService;

},{}],4:[function(require,module,exports){
class Setting {
  constructor (jsonBody) {
    Object.assign(this, jsonBody);
  }
}

module.exports = { Setting };

},{}],5:[function(require,module,exports){
const Setting = require('./setting').Setting;
const { Request } = window.JMUL || { JMUL: {} };

const DefaultKeywords = [
  '书籍',
  '效率',
  'google.*?',
  'nexus.*?',
  '爬虫',
  'python.*?',
  'angular.*?',
  'node',
  'javascript',
  'ukulele',
  /gtd.*?/gi,
  '工作流',
  '日程',
  '英雄联盟',
  'vps',
  '服务器',
  '书单',
  '免费',
  '限免',
  '数据分析',
  '自由职业',
  'lol',
  'react',
  'mobx',
];

const DefaultResponseHandler = (_response) => {
  let response = _response;
  if (typeof _response === 'object' && _response.responseText) {
    response = _response.responseText;
  }
  return new Setting(JSON.parse(response));
};

class SettingService {
  static init (config) {
    SettingService.loadUrl = config.loadUrl;
    SettingService.method = config.method || 'GET';
    SettingService.contentType = config.contentType || 'application/json';
    SettingService.data = config.data || {};
    SettingService.resHandler = config.resHandler || DefaultResponseHandler;
  }

  static load () {
    if (!SettingService.loadUrl) return Promise.resolve(SettingService.DefaultSetting);
    const request = new Request({ headers: { 'content-type': SettingService.contentType } });
    request.setUrl(SettingService.loadUrl);
    request.setMethod(SettingService.method);
    request.setData(SettingService.data);
    return request.send().then((response) => {
      return SettingService.resHandler(response.responseText);
    });
  }
}

SettingService.DefaultSetting = {
  highlightBgColor: '#FFDA5E',
  highlightTxtColor: 'black',
  keywords: {
    'https://sspai.com/*': DefaultKeywords,
    'https://toutiao.io/*': DefaultKeywords,
    'http://www.inoreader.com/*': DefaultKeywords,
  },
};

module.exports = SettingService;

},{"./setting":4}]},{},[2]);