"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.default = verifyEmailSMTP;
const net_1 = __importDefault(require("net"));
const dns_1 = __importDefault(require("dns"));
function verifyEmailSMTP(email) {
    return new Promise((resolve, reject) => {
        const domain = email.split("@")[1];
        dns_1.default.resolveMx(domain, (err, addresses) => {
            if (err || !addresses.length) {
                console.log("Invalid email domain.");
                return;
            }
            const mxServer = addresses[0].exchange;
            console.log(`Connecting to ${mxServer} to verify email...`);
            const client = net_1.default.createConnection(25, mxServer);
            client.on("connect", () => {
                console.log("Connected to SMTP server.");
                client.write("HELO example.com\r\n");
                client.write(`MAIL FROM: <test@example.com>\r\n`);
                client.write(`RCPT TO: <${email}>\r\n`);
            });
            client.on("data", (data) => {
                const response = data.toString();
                if (response.includes("250")) {
                    console.log("✅ Email exists!");
                    resolve(true);
                }
                else {
                    console.log("❌ Email does not exist.");
                    resolve(false);
                }
                client.end();
            });
            client.on("error", (err) => {
                console.log("SMTP verification failed:", err.message);
                resolve(false);
            });
        });
    });
}