// ==UserScript==
// @name     Unnamed Script 553917
// @version  1
// @grant    none
// ==/UserScript==

(function() {
    'use strict';

    const anchorClass = "position: relative;";

    const imageClass = "max-width:600px; height: auto;";

    const textClass = "position: absolute; bottom: 10px; left: 50%; transform:translateX(-50%); background-color: black; color: white; padding: 10px 25px;";

    const buttonClass = " background-color: tomato; color: black; padding: 10px 25px; display: inline-block; text-decoration: none; margin: 10px auto 50px auto";

    const anchors = document.querySelectorAll('a');
    for(let i = 0; i < anchors.length; i++){

        let type = anchors[i].href.split('.').pop();
        if(['jpeg','png','jpg'].includes(type)){

            let text = anchors[i].href.split('/').pop();


            const src = anchors[i].href;
            anchors[i].outerHTML = `<a style="${anchorClass}" target="_blank" href="${src}"><img style="${imageClass}" src="${src}" alt="Preview"><span style="${textClass}">${text}</span></a>`;
        } else {
            if(type == 'zip' || type == 'rar'){
               let link = anchors[i].href;
               let file = anchors[i].href.split('/').pop();
               anchors[i].outerHTML = `<a style="${buttonClass}" href="${link}">Download ${file}</a>`;
            }
        }

    }
})();