/**
 * @swagger
 * /api/endpoint/getemailaccountcheck_api:
 *   get:
 *     tags: [Login]
 *     description: Returns portal login
 *     summary: Phase 2
 *     parameters:
 *       - name: emailAddress
 *         in: query
 *         required: true
 *         schema:
 *           type: string
 *     responses:
 *       200:
 *         description: hello world
 */
import {
    escapeODataString,
    isNonEmptyString,
    sanitizeString
} from "../../../actions/core/guards";
import { respondError } from "../middleware/apiResponse";
import { relayGet } from "../middleware/relayForwarding";

export default async function ApiProxy(req, res) {
    const emailAddress = sanitizeString(req.query.emailAddress);

    if (!isNonEmptyString(emailAddress)) {
        return respondError(res, {
            status: 400,
            code: "EMAIL_ADDRESS_REQUIRED",
            message: "emailAddress is required"
        });
    }

    const queryUrl =
        "contacts?$filter=emailaddress1 eq '" +
        escapeODataString(emailAddress) +
        "'&$count=true&$select=pinswg_preferredlanguage,contactid";

    const relayPolicy = {
        method: "GET",
        timeoutMs: 6000,
        maxRetries: 1,
        retryBaseDelayMs: 100,
        retryMaxDelayMs: 500
    };

    return relayGet({
        queryUrl,
        res,
        relayPolicy,
        errorResponse: {
            status: 400,
            code: "PREFERRED_LANGUAGE_FETCH_FAILED",
            message: "Failed to fetch preferred language"
        }
    });
}