<?php

use Apoloz\AlfaBank\Utils\CardEncryptor;
use Apoloz\AlfaBank\Utils\CmsSigner;

test('can encrypt card pan', function () {
    // Generate a temporary RSA key for testing
    $res = openssl_pkey_new([
        "private_key_bits" => 2048,
        "private_key_type" => OPENSSL_KEYTYPE_RSA,
    ]);
    openssl_pkey_export($res, $privateKey);
    $details = openssl_pkey_get_details($res);
    $publicKey = $details['key'];

    $pan = '4779642610000010';
    $encrypted = CardEncryptor::encrypt($pan, $publicKey);

    expect($encrypted)->toBeString()
        ->and(base64_decode($encrypted))->not->toBeFalse();
});

test('can canonicalize json', function () {
    $data = [
        'z' => 1,
        'a' => [
            'c' => 3,
            'b' => 2
        ]
    ];

    $canonical = CmsSigner::canonicalize($data);
    
    // Keys should be sorted: a (then b, c), z
    expect($canonical)->toBe('{"a":{"b":2,"c":3},"z":1}');
});