<?php

declare(strict_types=1);

/*
 * The MIT License (MIT)
 *
 * Copyright (c) 2014-2018 Spomky-Labs
 *
 * This software may be modified and distributed under the terms
 * of the MIT license.  See the LICENSE file for details.
 */

namespace Jose\Component\Signature\Algorithm\Tests;

use Jose\Component\Core\AlgorithmManager;
use Jose\Component\Core\Converter\StandardConverter;
use Jose\Component\Core\JWK;
use Jose\Component\Signature\Algorithm\None;
use Jose\Component\Signature\JWS;
use Jose\Component\Signature\JWSBuilder;
use Jose\Component\Signature\Serializer\CompactSerializer;
use PHPUnit\Framework\TestCase;

/**
 * @group None
 * @group Unit
 */
class NoneSignatureTest extends TestCase
{
    /**
     * @test
     */
    public function noneSignAndVerifyAlgorithm()
    {
        $key = JWK::create([
            'kty' => 'none',
        ]);

        $none = new None();
        $data = 'Live long and Prosper.';

        $signature = $none->sign($key, $data);

        static::assertEquals($signature, '');
        static::assertTrue($none->verify($key, $data, $signature));
    }

    /**
     * @expectedException \InvalidArgumentException
     * @expectedExceptionMessage Wrong key type.
     *
     * @test
     */
    public function invalidKey()
    {
        $key = JWK::create([
            'kty' => 'EC',
        ]);

        $none = new None();
        $data = 'Live long and Prosper.';

        $none->sign($key, $data);
    }

    /**
     * @test
     */
    public function noneSignAndVerifyComplete()
    {
        $jwk = JWK::create([
            'kty' => 'none',
        ]);

        $jwsBuilder = new JWSBuilder(
            new StandardConverter(),
            AlgorithmManager::create([new None()])
        );
        $serializer = new CompactSerializer(
            new StandardConverter()
        );
        $jws = $jwsBuilder
            ->create()->withPayload('Live long and Prosper.')
            ->addSignature($jwk, ['alg' => 'none'])
            ->build();

        static::assertEquals(1, $jws->countSignatures());

        $compact = $serializer->serialize($jws, 0);
        static::assertTrue(\is_string($compact));

        $result = $serializer->unserialize($compact);

        static::assertInstanceOf(JWS::class, $result);

        static::assertEquals('Live long and Prosper.', $result->getPayload());
        static::assertEquals(1, $result->countSignatures());
        static::assertTrue($result->getSignature(0)->hasProtectedHeaderParameter('alg'));
        static::assertEquals('none', $result->getSignature(0)->getProtectedHeaderParameter('alg'));
    }
}
