import { EndpointURLScheme } from "@smithy/types";
import { isIpAddress } from "./isIpAddress";
const DEFAULT_PORTS = {
    [EndpointURLScheme.HTTP]: 80,
    [EndpointURLScheme.HTTPS]: 443,
};
export const parseURL = (value) => {
    const whatwgURL = (() => {
        try {
            if (value instanceof URL) {
                return value;
            }
            if (typeof value === "object" && "hostname" in value) {
                const { hostname, port, protocol = "", path = "", query = {} } = value;
                const url = new URL(`${protocol}//${hostname}${port ? `:${port}` : ""}${path}`);
                url.search = Object.entries(query)
                    .map(([k, v]) => `${k}=${v}`)
                    .join("&");
                return url;
            }
            return new URL(value);
        }
        catch (error) {
            return null;
        }
    })();
    if (!whatwgURL) {
        console.error(`Unable to parse ${JSON.stringify(value)} as a whatwg URL.`);
        return null;
    }
    const urlString = whatwgURL.href;
    const { host, hostname, pathname, protocol, search } = whatwgURL;
    if (search) {
        return null;
    }
    const scheme = protocol.slice(0, -1);
    if (!Object.values(EndpointURLScheme).includes(scheme)) {
        return null;
    }
    const isIp = isIpAddress(hostname);
    const inputContainsDefaultPort = urlString.includes(`${host}:${DEFAULT_PORTS[scheme]}`) ||
        (typeof value === "string" && value.includes(`${host}:${DEFAULT_PORTS[scheme]}`));
    const authority = `${host}${inputContainsDefaultPort ? `:${DEFAULT_PORTS[scheme]}` : ``}`;
    return {
        scheme,
        authority,
        path: pathname,
        normalizedPath: pathname.endsWith("/") ? pathname : `${pathname}/`,
        isIp,
    };
};