use DigitalCz\DigiSign\Auth\ApiKeyCredentials;
use DigitalCz\DigiSign\DigiSign;

// Via constructor options
$dgs = new DigiSign([
    'access_key' => '...', 
    'secret_key' => '...'
]);

// Or via methods
$dgs = new DigiSign();
$dgs->setCredentials(new ApiKeyCredentials('...', '...'));

use DigitalCz\DigiSign\Auth\Token;
use DigitalCz\DigiSign\Auth\TokenCredentials;
use DigitalCz\DigiSign\DigiSign;
use DigitalCz\DigiSign\DigiSignClient;
use Symfony\Component\Cache\Adapter\FilesystemAdapter;
use Symfony\Component\Cache\Psr16Cache;
use Symfony\Component\HttpClient\Psr18Client;

$dgs = new DigiSign();
// To set your own PSR-18 HTTP Client, if not provided Psr18ClientDiscovery is used
$dgs->setClient(new DigiSignClient(new Psr18Client()));
// If you already have the auth-token, i can use TokenCredentials
$dgs->setCredentials(new TokenCredentials(new Token('...', 123)));
// Cache will be used to store auth-token, so it can be reused in later requests
$dgs->setCache(new Psr16Cache(new FilesystemAdapter()));
// Use testing API (https://api.digisign.digital.cz)
$dgs->useTesting(true);
// Overwrite API base
$dgs->setApiBase('https://example.com/api');
// Set maximum age of webhook request to one minute
$dgs->setSignatureTolerance(60);

$dgs = new DigitalCz\DigiSign\DigiSign(['access_key' => '...', 'secret_key' => '...']);

$envelopes = $dgs->envelopes();

$envelope = $envelopes->create([
    'emailSubject' => 'Please sign',
    'emailBody' => 'Hello James, please sign these documents.',
    'senderName' => 'John Smith',
    'senderEmail' => 'john.smith@example.com'
]);

$recipient = $envelopes->recipients($envelope)->create([
    'role' => 'signer',
    'name' => 'James Brown',
    'email' => 'james42@example.com',
    'mobile' => '+420775300500',
]);

$stream = DigitalCz\DigiSign\Stream\FileStream::open('path/to/document.pdf');
$file = $dgs->files()->upload($stream);

$document = $envelopes->documents($envelope)->create([
    'name' => 'Contract',
    'file' => $file->self()
]);

$tag = $envelopes->tags($envelope)->create([
    'type' => 'signature',
    'document' => $document,
    'recipient' => $recipient,
    'page' => 1,
    'xPosition' => 200,
    'yPosition' => 340
]);

$envelopes->send($envelope->id());