// ==UserScript==
// @name        archive.today quick archive
// @namespace   archive.today
// @match       https://archive.*/?url=*
// @grant       GM_xmlhttpRequest
// @icon        https://archive.today/apple-touch-icon.png
// @version     1.0
// @author      ccuser44
// @license     CC0
// @description Quick archiving for archive.today
// @downloadURL none
// ==/UserScript==

let url = decodeURIComponent(document.location.href.match(/^https:\/\/archive\.(today|ph|is|li|vn|fo|md)\/\?url=(.+)/)[2]);
let domain = url.match(/^(https:\/\/)?([\w\.]+)/)[2];

function savePage() {
	for (const obj of document.getElementById("submiturl").children) {
		if (obj.tagName == "DIV" && obj.style.cssText == "margin: 0px; padding: 0px; position: absolute; width: 100px; right: 20px;") {
			obj.children[0].click();
			console.log("Clicked button");
		};
	};
};

function savePageCheck(url, mode) {
	GM_xmlhttpRequest({
		url: url,
		method: "GET",
		onreadystatechange: (function(responseObject) {
			if (responseObject.readyState == 4) {
				switch (responseObject.status) {
					case 200:
						console.log("200 - Successfully found page for", url)
						savePage();
						break;
					case 404:
						console.log((mode == "Wayback") ? "404 - Did not find archived page" : "404 - Did not find cached page (or misc error)", url);
						alert((mode == "Wayback") ? "404 - Did not find archived page" : "404 - Did not find cached page (or misc error)");
						break;
					case 429:
						console.log("429 - Rate limited due to spam. Wait some time before sending another request", url);
						alert("429 - Rate limited due to spam. Wait some time before sending another request");
					case 301:
						var message = (mode == "Wayback") ? "301 - Found archived page for different date" : "301 - Google cache is behind a captcha";
						console.log(message, url);
						alert(message);
						break;
					case 302:
						var message = (mode == "Wayback") ? "302 - Found archived page for different date" : "302 - Google cache is behind a captcha";
						console.log(message, url);
						alert(message);
						break;
					default:
						console.log("Unknown error", responseObject.status, url);
						alert("Unknown error " + responseObject.status);
						break;
				};
			};
		}),
	});
};

switch (domain) {
	case "webcache.googleusercontent.com":
		console.log("Archived URL is google cache");
		savePageCheck(url, "Google");
		break;
	case "web.archive.org":
		console.log("Archived URL is waybackmachine");
		savePageCheck(url, "Wayback");
		break;
	default:
		console.log("Archived URL is other", domain);
		savePage();
		break;
};