<?php


class SendGrid {

  const VERSION = "2.0.5";


  protected $namespace  = "SendGrid",

            $url        = "https://api.sendgrid.com/api/mail.send.json",

            $headers    = array('Content-Type' => 'application/json'),

            $username,

            $password,

            $options,

            $web;

  
  public function __construct($username, $password, $options=array("turn_off_ssl_verification" => false)) {

    $this->username = $username;

    $this->password = $password;

    $this->options  = $options;

  }


  public function send(SendGrid\Email $email) {

    $form             = $email->toWebFormat();

    $form['api_user'] = $this->username; 

    $form['api_key']  = $this->password; 


    // option to ignore verification of ssl certificate

    if (isset($this->options['turn_off_ssl_verification']) && $this->options['turn_off_ssl_verification'] == true) {

      \Unirest::verifyPeer(false);

    }


    $response = \Unirest::post($this->url, array(), $form);


    return $response->body;

  }


  public static function register_autoloader() {

    spl_autoload_register(array('SendGrid', 'autoloader'));

  }


  public static function autoloader($class) {

    // Check that the class starts with "SendGrid"

    if ($class == 'SendGrid' || stripos($class, 'SendGrid\\') === 0) {

      $file = str_replace('\\', '/', $class);


      if (file_exists(dirname(__FILE__) . '/' . $file . '.php')) {

        require_once(dirname(__FILE__) . '/' . $file . '.php');

      }

    }

  }

}