'user strict';
const { ROOT_PATH, HANDLERS_PATH, MODELS_PATH, API_CONFIG } = process.env;
const { StandAloneContactEmail } = require('./StandAlone.handler');
const { AccountVerifyEmail, AccountConfirmed, AccountPwdResetEmail, ContactEmail } = require('./SendGrid.handler');

const EMAIL_EVENTS={
    ACCOUNT_VERIFY:1,
    ACCOUNT_CONFIRMED:2,
    ACCOUNT_PWD_RESET:3,
    CONTACT_EMAIL:4,
}

/**
 * Send an email according to the event.
 * @param eventId : string 
 * @param email_content : { string receiver, {*} content } 
 * @returns 
 */
async function emailEvent( eventId, receiver , content ){
    switch( eventId ){
        case EMAIL_EVENTS.ACCOUNT_VERIFY:
            {
                return await AccountVerifyEmail( receiver, content );
            }
            break;
        case EMAIL_EVENTS.ACCOUNT_CONFIRMED:
            {
                return await AccountConfirmed( receiver, content );
            }
            break;
        case EMAIL_EVENTS.ACCOUNT_PWD_RESET:
            {
                return await AccountPwdResetEmail( receiver, content );
            }
            break;
        case EMAIL_EVENTS.CONTACT_EMAIL:
            {
                await StandAloneContactEmail( content );
                return await ContactEmail( receiver, content );
            }
            break;
        default:
            {
                throw new Error(`Email event not defined ${eventId}`);
            }
            break;
    }
}

module.exports = { emailEvent , EMAIL_EVENTS };