// ==UserScript==
// @name         Hentai Foundry Downloader
// @namespace    BigDuckie.HentaiFoundryDownloader
// @version      2025.1.13
// @description  A script to add Ctrl + S support to Hentai Foundry, as well as a convenient download button.
// @icon         https://www.google.com/s2/favicons?sz=64&domain=hentai-foundry.com
// @author       Big Duckie
// @copyright    2025, Big Duckie (https://bigduckie.dev)
// @license      MIT
// @match        *://*.hentai-foundry.com/pictures/user/*
// @grant        GM_download
// ==/UserScript==

(function () {
    'use strict';

    const regex = /\/user\/(.*)\/(\d*)\/(.*)/g;
    let m = regex.exec(window.location.href);

    var imageFilename = `${m[1]}-${m[2]}-${m[3].replace("-", "_")}`;
    var imageUrl = `https://pictures.hentai-foundry.com/${m[1].substring(0, 1).toLowerCase()}/${m[1]}/${m[2]}/${imageFilename}`

    var button = document.createElement("a");
    button.setAttribute("class", "linkButton picButton");
    button.setAttribute("id", "downloadBtn");
    button.setAttribute("title", "Download Image");
    button.appendChild(document.createTextNode("⇩ DOWNLOAD IMAGE"));

    button.addEventListener("click", event => {
        GM_download(`${imageUrl}.jpg`, `${imageFilename}.jpg`)
        GM_download(`${imageUrl}.png`, `${imageFilename}.png`)
    });

    document.querySelector("#picBox>div.boxfooter").append(button)

    document.addEventListener("keydown", event => {
        if (event.ctrlKey || event.metaKey) {
            switch (String.fromCharCode(event.which).toLowerCase()) {
                case 's':
                    event.preventDefault();
                    button.click();
                    break;
            }
        }
    });
})();