/* Apiy post function */

import {
    onloadHandler,
    optionsValidator,
    headersHandler,
    corsHandler,
    responseTypeHandler
} from '../../utils';
import { openXhr } from '../../shared';
import { IOptions } from '../../models';

export const Patch = async (options: IOptions): Promise<XMLHttpRequestResponseType> => {
    const req: Promise<XMLHttpRequestResponseType> = new Promise( async (resolve, reject) => {
        if (!optionsValidator(options)) { reject('Some Apiy Options Missed!') }

        const xhr = new XMLHttpRequest();

        await corsHandler(xhr, options.allowCors);
        await responseTypeHandler(xhr, options.responseType);
        await openXhr(xhr, options);
        await headersHandler(xhr, options.headers);
        await xhr.send();

        xhr.onload = async () => {
            try { resolve (await onloadHandler(xhr)); }
            catch (error) { reject (new Error('Whoops!')); }
        }
        xhr.onerror = (): any => reject(new Error('Whoops!'));
    });
    return req;
}