var secret = require('.').secret;
const crypto = require('crypto');
const passport = require('passport');
var HeaderAPIKeyStrategy = require('passport-headerapikey').HeaderAPIKeyStrategy;
const DB = require('../database/mysql');

passport.use('headerapikey', new HeaderAPIKeyStrategy(
    { header: 'Authorization', prefix: `${process.env.AUTHORIZATION_PREFIX} ` },
    false,
    function (apikey, done) {
        const encryptedKey = crypto.createHmac('sha256', secret).update(apikey).digest('hex');
        DB.Application.findOne({ where: { apikey: encryptedKey } })
            .then(function (application) {
                if (!application) {
                    return done({ message: "Application can't be found.", status: 404 }, false, false);
                }
                return done(null, application);
            }).catch(done);
    }
));