// ==UserScript==
// @name         华南师大快速登陆
// @version      1.1.2
// @description  当你未登录时，帮你自动进入统一认证登陆页面，免去点击各种登陆按钮。
// @author       LittleboyHarry
// @match        *://moodle.scnu.edu.cn/*
// @match        https://ssp.scnu.edu.cn/*
// @match        *://www.scholat.com/*
// @grant        none
// @namespace https://greasyfork.org/users/457866
// @downloadURL none
// ==/UserScript==

(function() {
    'use strict';

    // Your code here...
    
    /** @type {?HTMLAnchorElement} */
const { hostname } = location
switch (hostname) {
	case 'moodle.scnu.edu.cn':
		{
			const loginButton = document.querySelector(
				'.profileblock a[href$="login/index.php"]'
			);

			if (loginButton) {
				showWaiting();

				loginButton.click();
			}
			else if (location.pathname === "/login/index.php") {
				showWaiting();

				const frameHook = () => {
					const ssoButton = document.getElementById("ssobtn");
					if (ssoButton) ssoButton.click();
					else requestAnimationFrame(frameHook);
				};
				frameHook();
			}
		}
		break;
	case 'ssp.scnu.edu.cn':
		{
			const loginSpanElement = document.getElementById('gologin')
			if (loginSpanElement) {
				showWaiting();

				loginSpanElement.children[1].click();
			}
		}
		break;
	case 'www.scholat.com':
		{
			const loginButton = document.getElementById('loginHref')
			if (loginButton && document.getElementById('portal_nologin').style.display!=='none') {
				showWaiting();

				loginButton.click();
			}
		}
		break;
}

function showWaiting() {
	const tipsElement = document.createElement("div");
	tipsElement.style = `
	background: #00000055;
	position: fixed;
	top: 0;
	bottom: 0;
	left: 0;
	right: 0;
	z-index: 32;
	display: flex;
	justify-content: center;
	align-items: center;
	font-size: 32px;
	color: white;
	text-shadow: 0 0 8px black;
	`;
	tipsElement.innerText = "… 自动跳转 …";
	document.body.appendChild(tipsElement);
}

})();