const passport = require('passport');
const JwtStrategy = require('passport-jwt').Strategy;
const ExtractJwt = require('passport-jwt').ExtractJwt;

const config = require('../../config');
const User = require('../../models/user');

module.exports = function(passport) {
  passport.use(new JwtStrategy(
    {
      jwtFromRequest: ExtractJwt.fromAuthHeaderAsBearerToken(),
      secretOrKey: config.security.jwt.secret,
      issuer: config.security.jwt.issuer,
      audience: config.security.jwt.audience,
    },
    (jwt_payload, done) => {
      User.findOne({ _id: jwt_payload.sub }, (err, user) => {
        if (err) {
          return done(err, false);
        }

        if (user) {
          return done(null, user);
        }

        return done(null, false);
      });
    }
  ));
}