<?php

require_once 'Config/Settings.class.php';
require_once 'Config/Database.class.php';

// includes the autoloader for libraries installed with composer
require __DIR__ . '/External/Braintree/lib/autoload.php';

/**
 * 
 */
abstract class Broker {

  // 
  protected $Name = "";
  protected $Database;
  protected $DatabaseConnection;
  protected $Config = null;

  /**
   * 
   */
  public function __construct($name) {
    $this->Name = $name;

    // create database handle
    $this->Database = new \Config\Database('imagingx_docassyst');
    try {
      $this->DatabaseConnection = $this->Database->getConnection();
    }
    catch (Exception $e) {
      throw $e;
    }

    // read config
    $statement = $this->DatabaseConnection->prepare(
      "SELECT config FROM broker WHERE name = '$this->Name'"
    );
    $statement->execute();
    $results = $statement->fetchAll(\PDO::FETCH_ASSOC);
    if(count($results) == 0) {
      throw new \Exception("BraintreeBroker init failed");
    }
    else {
      $this->Config = json_decode($results[0]['config']);
    }

    $this->init();
  }

  /**
   * 
   */
  abstract protected function init();

  /**
   * 
   */
  abstract public function getToken($User);

  /**
   * 
   */
  abstract public function submit($User, $token, $amount);

}