import varDatabaseDbHandler from "../../backend/varDatabaseDbHandler";
import nodemailer from "nodemailer";
import getAuthCookieNames from "../../backend/cookies/get-auth-cookie-names";
import encrypt from "../../dsql/encrypt";
import serializeCookies from "../../../utils/serialize-cookies";
/**
 * # Send Email Login Code
 */
export default async function apiSendEmailCode({ email, database, email_login_field, mail_domain, mail_port, sender, mail_username, mail_password, html, response, extraCookies, }) {
    if (email === null || email === void 0 ? void 0 : email.match(/ /)) {
        return {
            success: false,
            msg: "Invalid Email/Password format",
        };
    }
    const createdAt = Date.now();
    const foundUserQuery = `SELECT * FROM ${database}.users WHERE email = ?`;
    const foundUserValues = [email];
    let foundUser = await varDatabaseDbHandler({
        queryString: foundUserQuery,
        queryValuesArray: foundUserValues,
        database,
    });
    ////////////////////////////////////////
    ////////////////////////////////////////
    ////////////////////////////////////////
    if (!foundUser || !foundUser[0]) {
        return {
            success: false,
            msg: "No user found",
        };
    }
    function generateCode() {
        const chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
        let code = "";
        for (let i = 0; i < 8; i++) {
            code += chars[Math.floor(Math.random() * chars.length)];
        }
        return code;
    }
    if ((foundUser === null || foundUser === void 0 ? void 0 : foundUser[0]) && email_login_field) {
        const tempCode = generateCode();
        let transporter = nodemailer.createTransport({
            host: mail_domain || process.env.DSQL_MAIL_HOST,
            port: mail_port
                ? mail_port
                : process.env.DSQL_MAIL_PORT
                    ? Number(process.env.DSQL_MAIL_PORT)
                    : 465,
            secure: true,
            auth: {
                user: mail_username || process.env.DSQL_MAIL_EMAIL,
                pass: mail_password || process.env.DSQL_MAIL_PASSWORD,
            },
        });
        let mailObject = {};
        mailObject["from"] = `"Datasquirel SSO" <${sender || "support@datasquirel.com"}>`;
        mailObject["sender"] = sender || "support@datasquirel.com";
        mailObject["to"] = email;
        mailObject["subject"] = "One Time Login Code";
        mailObject["html"] = html.replace(/{{code}}/, tempCode);
        const info = await transporter.sendMail(mailObject);
        if (!(info === null || info === void 0 ? void 0 : info.accepted))
            throw new Error("Mail not Sent!");
        const setTempCodeQuery = `UPDATE ${database}.users SET ${email_login_field} = ? WHERE email = ?`;
        const setTempCodeValues = [tempCode + `-${createdAt}`, email];
        let setTempCode = await varDatabaseDbHandler({
            queryString: setTempCodeQuery,
            queryValuesArray: setTempCodeValues,
            database,
        });
        /** @type {import("../../../types").SendOneTimeCodeEmailResponse} */
        const resObject = {
            success: true,
            code: tempCode,
            email: email,
            createdAt,
            msg: "Success",
        };
        if (response) {
            const cookieKeyNames = getAuthCookieNames();
            const oneTimeCodeCookieName = cookieKeyNames.oneTimeCodeName;
            const encryptedPayload = encrypt({
                data: JSON.stringify(resObject),
            });
            if (!encryptedPayload) {
                throw new Error("apiSendEmailCode Error: Failed to encrypt payload");
            }
            /** @type {import("../../../../package-shared/types").CookieObject} */
            const oneTimeCookieObject = {
                name: oneTimeCodeCookieName,
                value: encryptedPayload,
                sameSite: "Strict",
                path: "/",
                httpOnly: true,
                secure: true,
            };
            /** @type {import("../../../../package-shared/types").CookieObject[]} */
            const cookiesObjectArray = extraCookies
                ? [...extraCookies, oneTimeCookieObject]
                : [oneTimeCookieObject];
            const serializedCookies = serializeCookies({
                cookies: cookiesObjectArray,
            });
            response.setHeader("Set-Cookie", serializedCookies);
        }
        return resObject;
    }
    else {
        return {
            success: false,
            msg: "Invalid Email/Password format",
        };
    }
}