// ==UserScript==
// @name        Matt's NRC Anti-Sport
// @namespace   www.paleografie.tk
// @include     http://www.nrc.nl/*
// @version     1
// ==/UserScript==

/*eslint no-redeclare: ["error", { "builtinGlobals": true }]*/
/*eslint-env browser*/


//Regex template:   /begin(?:(?!begin|spam_begin|end)[\s\S])*spam(?:(?!begin|end)[\s\S])*end/g

// alert("alert");

if ( /(dagoverzicht|belangrijkste nieuws)/i.test (document.title) ) {

var links = document.getElementsByTagName('a');
for(var index in links)
  {
    if(links[index].getAttribute('href').indexOf('sport') > -1)
      {
        links[index].parentNode.style.display = 'none';
      }
  }
}

var spam_middle_varying_part = "(\
200 meter\
|Ajax\
|Column Wilfried de Jong\
|Eredivisie\
|Europa League\
|Europees voetbal\
|[fF]ormule 1\
|Gelijkspel\
|Hague Open\
|Hope Solo\
|Kwalificatie Champions League\
|Miljoenenbal\
|Olympisch menu\
|Olympische Spelen\
|Oranje\
|Play-offs Champions League\
|Rio 2016\
|Rio de Janeiro\
|Rio\
|Rode Duivels\
|Ronde van Spanje\
|Supercup\
|Topsport\
|UEFA Super Cup\
|Voetbal\
|Wielren-tv\
|Wielrennen\
|WK (R|r)oeien\
)\\s?";

var regex

function expunge() {
    var spam = spam_begin + spam_middle_varying_part + spam_end;
    var regex_string = begin + '(?:(?!' + begin + '|' + spam_begin + '|' + end  + ')[\\s\\S])*' + spam + '(?:(?!' + begin + '|' + end + ')[\\s\\S])*' + end;
    regex = new RegExp(regex_string, "g");
    document.body.innerHTML= document.body.innerHTML.replace(regex, "");
}

// Normale artikelen:
var begin = '<div\\sclass="nmt-item\\sflexfloat';
var spam_begin = '<h.\\sclass="nmt-item__flag">';
var spam_end = '<\\/h.>';
var end = '<\\/header>\\W*<\\/a>\\W*<\\/div>\\W*<\\/div>';
expunge()

// "Meer nieuws":
begin = '<li\\sclass="tabbed-articles__item">';
spam_begin = '<h.\\sclass="tabbed-articles__flag">';
spam_end = '<\\/h.>';
end = '<\\/a><\\/li>';
expunge()

// Zijkant van de blokken:
begin = '<li\\sclass="block__sidebar__article">';
spam_begin = '<h.\\sclass="block__sidebar__article__flag">';
spam_end = '<\\/h.>';
end = '<\\/a><\\/li>';
expunge()

//Trending:
begin = '<li\\sclass="tabbed-articles__item">';
spam_begin = '<h\\d\\sclass="tabbed-articles__flag">';
spam_end = '<\\/h\\d>';
end = '<\\/a><\\/li>';
expunge();

// alert(regex);