/*!
 * SAPUI5
 * Copyright (c) 2025 SAP SE or an SAP affiliate company. All rights reserved.
 */
import { RequestProperties, ResponseProperties } from "./ajax";
import { addEncodedUrlParameters, parseHeaders } from "./ajaxUtil";

export async function requestBrowser(properties: RequestProperties): Promise<ResponseProperties> {
    return new Promise(function (resolve) {
        // Browser
        // new http request
        const xhttp = new XMLHttpRequest();

        // todo
        // document github
        // pull request
        // manual test
        // - search request
        // - chart request
        // - suggestion request
        // - hierarchy request
        // - error without result set
        // - test csrf renewal
        // - s/4
        // - repoexplorer
        // - initial duplicate error siutation
        // - fallback abap_odata, dummy

        // callback handler
        xhttp.onreadystatechange = function () {
            if (xhttp.readyState == 4) {
                resolve({
                    data: xhttp.responseText,
                    headers: parseHeaders(xhttp.getAllResponseHeaders()),
                    status: xhttp.status,
                    statusText: xhttp.statusText,
                });
                return;
            }
        };

        // add url parameters to url
        const url = addEncodedUrlParameters(properties.url, properties.parameters);

        // write headers to http request
        xhttp.open(properties.method, url, true);
        for (const headerName in properties.headers) {
            const headerValue = properties.headers[headerName];
            xhttp.setRequestHeader(headerName, headerValue);
        }

        // send
        xhttp.send(properties.data);
    });
}