// @ts-check

const { OAuth2Client } = require("google-auth-library");
const handleSocialDb = require("../../social-login/handleSocialDb");

/** @type {import("../../../../types").APIGoogleLoginFunction} */
module.exports = async function apiGoogleLogin({
    clientId,
    token,
    database,
    userId,
    additionalFields,
    res,
}) {
    const client = new OAuth2Client(clientId);

    const ticket = await client.verifyIdToken({
        idToken: token,
        audience: clientId,
    });

    if (!ticket?.getPayload()?.email_verified) {
        return {
            success: false,
            user: null,
        };
    }

    const payload = ticket.getPayload();

    if (!payload) throw new Error("No Payload");

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

    if (!database || typeof database != "string" || database?.match(/ /)) {
        return {
            success: false,
            user: undefined,
            msg: "Please provide a database slug(database name in lowercase with no spaces)",
        };
    }

    /**
     * Create new user folder and file
     *
     * @description Create new user folder and file
     */
    const targetDbName = `datasquirel_user_${userId}_${database}`;

    const { given_name, family_name, email, sub, picture, email_verified } =
        payload;

    /** @type {Object<string, any>} */
    const payloadObject = {
        email: email,
        first_name: given_name,
        last_name: family_name,
        social_id: sub,
        social_platform: "google",
        image: picture,
        image_thumbnail: picture,
        username: `google-user-${sub}`,
    };

    if (additionalFields && Object.keys(additionalFields).length > 0) {
        Object.keys(additionalFields).forEach((key) => {
            payloadObject[key] = additionalFields[key];
        });
    }

    const loggedInGoogleUser = await handleSocialDb({
        res,
        database: targetDbName,
        email: email || "",
        payload: payloadObject,
        social_platform: "google",
        social_id: sub,
        additionalFields,
    });

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

    return { success: true, ...loggedInGoogleUser, dsqlUserId: userId };
};