// ==UserScript==
// @name         Substack Is Wack
// @namespace    https://github.com/boogah/userscripts
// @version      2026.04.15
// @description  Automatically redirects Substack articles (including custom domains) to their archive.is analog.
// @author       boogah
// @match        https://*.substack.com/p/*
// @match        http://*/*
// @match        https://*/*
// @exclude      https://archive.today/*
// @exclude      https://archive.fo/*
// @exclude      https://archive.is/*
// @exclude      https://archive.li/*
// @exclude      https://archive.md/*
// @exclude      https://archive.ph/*
// @exclude      https://archive.vn/*
// @license      GPL-2.0
// @grant        none
// @run-at       document-idle
// ==/UserScript==

(function () {
    'use strict';

    var host = window.location.hostname;

    if (host.endsWith('.substack.com')) {
        redirect();
        return;
    }

    if (isSubstack()) {
        redirect();
    }

    function isSubstack() {
        if (document.querySelector('meta[name="generator"][content="Substack"]')) return true;
        if (document.querySelector('link[href*="substackcdn.com"]')) return true;
        if (document.querySelector('script[src*="substack.com"], script[src*="substackcdn.com"]')) return true;
        if (document.querySelector('[data-component-name="AppFrame"]')) return true;
        var rss = document.querySelector('link[type="application/rss+xml"]');
        if (rss && /substack\.com/.test(rss.getAttribute('href'))) return true;
        return false;
    }

    function redirect() {
        window.location.replace(
            'https://archive.is/?run=1&url=' + encodeURIComponent(window.location.href)
        );
    }
})();