<?php
namespace Braintree;

/**
 * Braintree ApplePayGateway module
 * Manages Apple Pay for Web
 *
 * @package    Braintree
 * @category   Resources
 */
class ApplePayGateway
{
    private $_gateway;
    private $_config;
    private $_http;

    public function __construct($gateway)
    {
        $this->_gateway = $gateway;
        $this->_config = $gateway->config;
        $this->_config->assertHasAccessTokenOrKeys();
        $this->_http = new Http($gateway->config);
    }

    public function registerDomain($domain)
    {
        $path = $this->_config->merchantPath() . '/processing/apple_pay/validate_domains';
        $response = $this->_http->post($path, ['url' => $domain]);
        if (array_key_exists('response', $response) && $response['response']['success'])
        {
            return new Result\Successful;
        }
        else if (array_key_exists('apiErrorResponse', $response))
        {
            return new Result\Error($response['apiErrorResponse']);
        }
    }

    public function unregisterDomain($domain)
    {
        $path = $this->_config->merchantPath() . '/processing/apple_pay/unregister_domain';
        $this->_http->delete($path, ['url' => $domain]);
        return new Result\Successful;
    }

    public function registeredDomains()
    {
        $path = $this->_config->merchantPath() . '/processing/apple_pay/registered_domains';
        $response = $this->_http->get($path);
        if (array_key_exists('response', $response) && array_key_exists('domains', $response['response']))
        {
            $options = ApplePayOptions::factory($response['response']);
            return new Result\Successful($options, 'applePayOptions');
        }
        else if (array_key_exists('apiErrorResponse', $response))
        {
            return new Result\Error($response['apiErrorResponse']);
        }
        else
        {
            throw new Exception\Unexpected('expected response or apiErrorResponse');
        }
    }
}