// @ts-check

/**
 * ==============================================================================
 * Imports
 * ==============================================================================
 */

const DB_HANDLER = require("../../../utils/backend/global-db/DB_HANDLER");
const handleNodemailer = require("../../backend/handleNodemailer");
const serverError = require("../../backend/serverError");
const hashPassword = require("../../dsql/hashPassword");

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/**
 * ==============================================================================
 * Main Function
 * ==============================================================================
 * @param {object} params - parameters object
 * @param {any} params.body
 * @param {import("../../../types").UserType} params.usertype
 */
module.exports = async function facebookLogin({ usertype, body }) {
    try {
        ////////////////////////////////////////////////
        ////////////////////////////////////////////////
        ////////////////////////////////////////////////

        const foundUser = await DB_HANDLER(
            `SELECT * FROM users WHERE email='${body.facebookUserEmail}' AND social_login='1'`
        );

        if (foundUser && foundUser[0]) {
            return foundUser[0];
        }

        ////////////////////////////////////////////////
        ////////////////////////////////////////////////
        ////////////////////////////////////////////////

        let socialHashedPassword = hashPassword({
            password: body.facebookUserId,
        });

        let newUser = await DB_HANDLER(`INSERT INTO ${usertype} (
            first_name,
            last_name,
            social_platform,
            social_name,
            email,
            image,
            image_thumbnail,
            password,
            verification_status,
            social_login,
            social_id,
            terms_agreement,
            date_created,
            date_code
            ) VALUES (
                '${body.facebookUserFirstName}',
                '${body.facebookUserLastName}',
                'facebook',
                'facebook_${
                    body.facebookUserEmail
                        ? body.facebookUserEmail.replace(/@.*/, "")
                        : body.facebookUserFirstName.toLowerCase()
                }',
                '${body.facebookUserEmail}',
                '${body.facebookUserImage}',
                '${body.facebookUserImage}',
                '${socialHashedPassword}',
                '1',
                '1',
                '${body.facebookUserId}',
                '1',
                '${Date()}',
                '${Date.now()}'
                )`);

        const newFoundUser = await DB_HANDLER(
            `SELECT * FROM ${usertype} WHERE id='${newUser.insertId}'`
        );

        ////////////////////////////////////////////////
        ////////////////////////////////////////////////
        ////////////////////////////////////////////////

        /**
         * Send email notifications to admin
         *
         * @description Send verification email to newly created agent
         */
        // handleNodemailer({
        //     to: "",
        //     subject: "New Registered Buyer",
        //     text: "We have a new registered Buyer from facebook",
        //     html: `
        //         <h2>${newFoundUser[0].first_name} ${newFoundUser[0].last_name} just registered from facebook.</h2>
        //         <p>We have a new buyer registration</p>
        //         <div>Name: <b>${newFoundUser[0].first_name} ${newFoundUser[0].last_name}</b></div>
        //         <div>Email: <b>${newFoundUser[0].email}</b></div>
        //         <div>Site: <b>${process.env.DSQL_HOST}</b></div>
        //     `,
        // }).catch((error) => {
        //     console.log(
        //         "error in mail notification for new Facebook user =>",
        //         error.message
        //     );
        // });
    } catch (/** @type {any} */ error) {
        serverError({
            component: "functions/backend/facebookLogin",
            message: error.message,
        });
    }

    return {
        isFacebookAuthValid: false,
        newFoundUser: null,
    };
};