'use strict';

var Crypto = require('../../../src/js/crypto/crypto'),
    config = require('../../../src/js/app-config').config,
    util = require('crypto-lib').util;

describe('Crypto unit tests', function() {
    this.timeout(20000);

    var crypto,
        password = 'password',
        keySize = config.symKeySize,
        ivSize = config.symIvSize;

    beforeEach(function() {
        crypto = new Crypto();
    });

    afterEach(function() {});

    describe('AES encrypt/decrypt', function() {
        it('should work', function(done) {
            var plaintext = 'Hello, World!';
            var key = util.random(keySize);
            var iv = util.random(ivSize);

            crypto.encrypt(plaintext, key, iv, function(err, ciphertext) {
                expect(err).to.not.exist;
                expect(ciphertext).to.exist;

                crypto.decrypt(ciphertext, key, iv, function(err, decrypted) {
                    expect(err).to.not.exist;
                    expect(decrypted).to.equal(plaintext);

                    done();
                });
            });
        });
    });

    describe("PBKDF2 (Async/Worker)", function() {
        it('should work', function(done) {
            var salt = util.random(keySize);

            crypto.deriveKey(password, salt, keySize, function(err, key) {
                expect(err).to.not.exist;
                expect(util.base642Str(key).length * 8).to.equal(keySize);

                done();
            });
        });

    });

});