async function gcp_fetch(url) {
	return await fetch(
		//"https://europe-west3-mgcp-1252957-omg-shared.cloudfunctions.net/Barclays-Assistants-Make-Request?origin=" + encodeURI(window?.location?.origin),
		//"https://europe-west2-arctic-surf-386912.cloudfunctions.net/Barclays-Assistants-Make-Request?origin=" + encodeURI(window?.location?.origin),
		"https://aifunctions.oliver.solutions/baic-auth?origin=" + encodeURI(window?.location?.origin),
		//"https://europe-west3-mgcp-1252957-omg-shared.cloudfunctions.net/baic_auth?origin=" + encodeURI(window?.location?.origin),
		//"https://us-central1-optical-414516.cloudfunctions.net/baic_auth?origin=" + encodeURI(window?.location?.origin),

		{
			method: "POST",
			mode: "cors",
			credentials: "include",
			headers: { "Content-type": "application/json" },
			body: JSON.stringify({ url }),
		}
	);
}

async function authenticate() {
	const url = new URL(window.location.href);

	const redirect_uri =
		window.location.href.split("?")[0] === "http://127.0.0.1:5500/baic/" ? "http://localhost:5500/baic/" : window.location.href.split("?")[0];
	login_url = `https://login.microsoftonline.com/${tenant_id}/oauth2/v2.0/authorize?client_id=${client_id}&response_type=code&redirect_uri=${redirect_uri}&response_mode=query&scope=User.Read`;

	const auth_code_url_parameter = url.searchParams.get("code");

	if (auth_code_url_parameter) {
		await new Promise((resolve) => {
			gcp_fetch(make_url + `?Login=True&Code=${encodeURI(auth_code_url_parameter)}&RedirectURI=${redirect_uri}`)
				.then((response) => response.json())
				.then((res) => {
					if (res?.error || res?.token === undefined) {
						history.pushState({}, "", window.location.href);
						window.location.href = login_url;
						window.location.replace(login_url);
					} else {
						let params = new URLSearchParams(window.location.href.split("?")[1]);
						params.delete("code");
						params.delete("session_state");
						var new_url = window.location.href.split("?")[0] + (params.toString().length === 0 ? "" : "?" + params.toString());
						window.location.href = new_url;
						window.location.replace(new_url);

						resolve(true);
					}
				})
				.catch((error) => {
					console.error(error);
					resolve(true);
				});
		});
	}

	await new Promise((resolve) => {
		gcp_fetch(make_url + "?CheckAuth=True")
			.then((response) => response.text())
			.then((text) => {
				let data;
				try {
					data = JSON.parse(text);
				} catch (error) {
					data = {
						authenticated: false,
						msg: "Login was failed or not done. Tech note: check Make.com activation or error",
					};
				}
				return data;
			})
			.then((data) => {
				if (data.authenticated) {
					onAuthenticated();
				} else {
					history.pushState({}, "", window.location.href);
					window.location.href = login_url;
					window.location.replace(login_url);
				}
				resolve(true);
			})
			.catch((error) => {
				console.error(error);
				resolve(true);
			});
	});
}

async function logOut() {
	await gcp_fetch("clear_cookies");
	const logout_url = "https://login.microsoftonline.com/" + tenant_id + "/oauth2/logout";
	window.location.href = logout_url;
	window.location.replace(logout_url);
}

// Runs on Start Up
authenticate();