'use strict';

var querystringBuilder = require('@smithy/querystring-builder');

function formatUrl(request) {
    const { port, query } = request;
    let { protocol, path, hostname } = request;
    if (protocol && protocol.slice(-1) !== ":") {
        protocol += ":";
    }
    if (port) {
        hostname += `:${port}`;
    }
    if (path && path.charAt(0) !== "/") {
        path = `/${path}`;
    }
    let queryString = query ? querystringBuilder.buildQueryString(query) : "";
    if (queryString && queryString[0] !== "?") {
        queryString = `?${queryString}`;
    }
    let auth = "";
    if (request.username != null || request.password != null) {
        const username = request.username ?? "";
        const password = request.password ?? "";
        auth = `${username}:${password}@`;
    }
    let fragment = "";
    if (request.fragment) {
        fragment = `#${request.fragment}`;
    }
    return `${protocol}//${auth}${hostname}${path}${queryString}${fragment}`;
}

exports.formatUrl = formatUrl;