'use strict';

const _ = require('lodash');
const httpStatus = require('http-status');
const passport = require('passport');
const controllerHelper = require('../../helpers/controller.helper');
const messageHelper = require('../../helpers/message.helper');
const securityHelper = require('../../helpers/security.helper');
const authService = require('./auth.service');


////////////////////////////////////////////////////////////////////////////////
// CONSTANTS
////////////////////////////////////////////////////////////////////////////////

// Module Name
const MODULE_NAME = '[auth.controller]';

// Error Messages
const NOT_FOUND = 'Videogame not found';

// Success Messages
const VG_CT_VIDEOGAME_DELETED_SUCCESSFULLY = 'Videogame deleted successfully';

////////////////////////////////////////////////////////////////////////////////
// PUBLIC METHODS
////////////////////////////////////////////////////////////////////////////////

async function login(req, res, next) {
    try {
        passport.authenticate('local', { session: false }, async (error, user, info) => {
            try {
                if (!user) {
                    return res.status(httpStatus.NOT_FOUND).json(messageHelper.buildMessage(NOT_FOUND));
                }
                
                req.login(user, { session: false }, async (error) => {
                    if (error) { 
                        return controllerHelper.handleErrorResponse(MODULE_NAME, login.name, error, res);
                    }
                    
                    //We don't want to store the sensitive information such as the
                    //user password in the token so we pick only the email and id
                    const data = { 
                        id: user.id, 
                        email: user.email 
                    };

                    //Send back the token to the user
                    return res.json({ 
                        token: securityHelper.generateToken({ user: data }),
                        user: {
                            id: data.id,
                            email: data.email
                        },    
                    });
                });
            } catch (error) {
                return next(error);
            }
        })(req, res, next);

    } catch (error) {
        controllerHelper.handleErrorResponse(MODULE_NAME, login.name, error, res)
    }

}
    
module.exports = {
    login,
    MODULE_NAME
}