import { NextFunction, Request, Response } from 'express';
import * as jwt from 'jsonwebtoken';
import config from '../config';
import { User as UserModel } from '../models/User';

export interface User {
    id: string;
}

export interface UserJwtRequest extends Request {
    user?: User;
}

export default function authenticateToken(req: UserJwtRequest, res: Response, next: NextFunction) {
    const authHeader = req.headers['authorization']
    const token = authHeader && authHeader.split(' ')[1]

    if (token == null) return res.sendStatus(401)

    jwt.verify(token, config.jwt_secret, async (err: any, user: any) => {
        if (err) return res.sendStatus(403)
        const userObj = await UserModel.findByPk(user.id);
        if (!userObj) {
            return res.sendStatus(403);
        }
        req.user = user

        next()
    })
}