"use strict";

const isURL = require("@validatem/is-url");
const wrapError = require("@validatem/wrap-error");
const ignoreResult = require("@validatem/ignore-result");
const ValidationError = require("@validatem/error");

module.exports = function (options = {}) {
	let allowedProtocols = (options.permitInsecure === true)
		? [ "http://", "https://" ]
		: [ "https://" ];

	return wrapError("modular-matrix.is-homeserver-url", "Must be a valid Matrix homeserver URL", ignoreResult([
		isURL(allowedProtocols),
		function isHomeserverURL(value) {
			if (value.pathname != null && value.pathname !== "/") {
				throw new ValidationError(`Must not include a path`, { code: "modular-matrix.is-homeserver-url.path" });
			} else if (value.query != null) {
				throw new ValidationError(`Must not include query parameters`, { code: "modular-matrix.is-homeserver-url.query" });
			}
		}
	]), { preserveOriginalErrors: true });
};