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/** 
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 * disableIntegrity.js
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 * 
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 * Currently maintained by ProdigyPNP
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 * Original author: Prodigy-Hacking
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 * Contributors: hostedposted, gemsvido, Eris
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 * File has been updated for Firefox
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 */
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(async () => {
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	/** Get an item from the browser local storage. */
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	function get(key) {
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		return new Promise(resolve => {
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			browser.storage.local.get([key], result => {
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				resolve(result[key]);
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			});
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		});
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	}
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	/** Custom P-NP URL from popup.js */
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	const url = await get("url");
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	/** Use Custom P-NP URL. */
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	const checked = await get("checked");
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	/** P-NP URL to use. Code: (If url exists and checked is true, then use url. Else, get a domain from infinite zero.) */
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	const redirectorDomain = (url && checked) ? url : (await (await fetch("https://infinitezero.net/domain")).text()).valueOf();
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	/*-----------------------------------------------*
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    *                                               *
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    *              INJECT GAME.MIN.JS               *
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    *                                               *
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    ------------------------------------------------*/
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	async function insertCode () {
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		try {
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			/** P-NP Loader. If you're using a custom URL, then you have the ?force attribute. */
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			const request = await (await fetch(`https://infinitezero.net/eval${(url && checked) ? "?force=" + url : ""}`)).text();
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			document.documentElement.setAttribute("onreset", `${request}\nSW.Load.decrementLoadSemaphore();`);
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			document.documentElement.dispatchEvent(new CustomEvent("reset"));
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			document.documentElement.removeAttribute("onreset");
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		} catch (e) {
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			alert("Failed to load the hacks. Error:\n" + e.message);
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		}
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	}
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	if (!window.scriptIsInjected) {
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		insertCode().catch((err) => {
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			swal.fire({
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				title: "Could not insert gamemin",
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				html: err,
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				icon: "error"
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			});
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		});
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		/*-----------------------------------------------*
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		*                                               *
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		*              LATEST PHEx VERSION              *
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		*                                               *
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		------------------------------------------------*/
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		/** User's version of PHEx */
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		const pluginVersion = browser.runtime.getManifest().version;
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		/** Latest version of PHEx. */
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		const supportedVersion = (await (await fetch(`${redirectorDomain}/version`)).text());
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		/** Checks for plugin version. If outdated, triggers dialog box */
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		if (pluginVersion !== supportedVersion) {
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			const res = confirm(`PHEx is outdated. If you experience any errors, please update.\n\Your Version: ${pluginVersion}\nLatest Version: ${supportedVersion}`);
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			if (res) location = "https://github.com/ProdigyPNP/ProdigyMathGameHacking/blob/master/meta/wiki/UPDATING.md";
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		}
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	    /*-----------------------------------------------*
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		*                                               *
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		*               DISABLE INTEGRITY               *
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		*                                               *
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		------------------------------------------------*/	
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		/** Remove integrity attributes from scripts and links. */ 
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		console.groupCollapsed("[PHEx] integrity patches");
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		[...document.getElementsByTagName("script"), ...document.getElementsByTagName("link")].forEach(element => {
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			if (element.hasAttribute("integrity")) {
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				console.log("[PHEx] " + element.getAttribute("integrity"));
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				element.removeAttribute("integrity");
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			}
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		});
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		console.groupEnd("[PHEx] integrity patches");
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		/** End disable integrity */
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		/** Script is now injected. */
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		window.scriptIsInjected = true;
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	}
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})();
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