const { User } = require("./utils/user");
const genToken = require("./utils/gen-token");

function verifyParams(req) {
	return (
		typeof req.username === "string" &&
		typeof req.password === "string" &&
		(req.gtf === undefined || typeof req.gtf === "boolean")
	);
}

module.exports = async function (con, req, cb) {
	if (!verifyParams(req))
		return cb({
			error:
				"Invalid params. Params username and password must be a string and exists, gtf must be a boolean",
			trace_id: req.trace_id,
			ended: true,
		});
	const invalidData = () =>
		cb({
			error: "Invalid login or password",
			trace_id: req.trace_id,
			ended: true,
		});
	const ok = (userdata, token = null) =>
		cb({ result: { ...userdata, token }, trace_id: req.trace_id, ended: true });

	// At develop!
	cb({ warning: "Method at develop", trace_id: req.trace_id, ended: false });
	if (
		!!global.config.rootuser?.activated &&
		req.username === global.config.rootuser.login
	) {
		if (req.password === global.config.rootuser.password) {
			const user = await User.getUserByName(req.username);
			if (user === null) {
				console.error("Root user object is null");
				return cb({
					error: "Unknown error",
					trace_id: req.trace_id,
					ended: true,
				});
			}
			global.authed.set(con, user);
			if (!req.gtf) return ok(user.getUserForAPI(true));
			return ok(user.getUserForAPI(true), genToken.registerToken(user));
		}
		return invalidData();
	}
	return cb({
		error: "Method at develop",
		trace_id: req.trace_id,
		ended: true,
	});
	// (!) Добавить чтение из БД
};