<?php
namespace Shared\Email;

class Email
{
  public $table = 'pp_newsletter_templates';
  public $text  = '';

  public function load_by_name( string $name )
  {
    global $mdb;

    $result = $mdb->get( $this->table, '*', [ 'name' => $name ] );
    if ( is_array( $result ) ) foreach ( $result as $key => $val )
      $this->$key = $val;
  }

  public function email_check( $email )
  {
    return filter_var( $email, FILTER_VALIDATE_EMAIL );
  }

  public function send( string $email, string $subject, $replay = '', $file = '' )
  {
    global $settings;

    $base = dirname( dirname( dirname( __DIR__ ) ) );

    if ( file_exists( $base . '/libraries/phpmailer/class.phpmailer.php' ) )
      require_once $base . '/libraries/phpmailer/class.phpmailer.php';
    if ( file_exists( $base . '/libraries/phpmailer/class.smtp.php' ) )
      require_once $base . '/libraries/phpmailer/class.smtp.php';

    $text = $this->text;

    $regex = "-(<img[^>]+src\s*=\s*['\"])(((?!'|\"|https?://).)*)(['\"][^>]*>)-i";
    $text  = preg_replace( $regex, "$1https://" . $_SERVER['SERVER_NAME'] . "$2$4", $text );

    $regex = "-(<a[^>]+href\s*=\s*['\"])(((?!'|\"|https?://).)*)(['\"][^>]*>)-i";
    $text  = preg_replace( $regex, "$1https://" . $_SERVER['SERVER_NAME'] . "$2$4", $text );

    if ( $this->email_check( $email ) and $subject )
    {
      $mail = new \PHPMailer();
      $mail->IsSMTP();
      $mail->SMTPAuth    = true;
      $mail->Host        = $settings['email_host'];
      $mail->Port        = $settings['email_port'];
      $mail->Username    = $settings['email_login'];
      $mail->Password    = $settings['email_password'];
      $mail->CharSet     = "UTF-8";
      $mail->SMTPOptions = array(
        'ssl' => array(
          'verify_peer'       => false,
          'verify_peer_name'  => false,
          'allow_self_signed' => true
        )
      );

      if ( $this->email_check( $replay ) )
      {
        $mail->AddReplyTo( $replay, $replay );
        $mail->SetFrom( $settings['contact_email'], $settings['contact_email'] );
      }
      else
      {
        $mail->AddReplyTo( $settings['contact_email'], $settings['firm_name'] );
        $mail->SetFrom( $settings['contact_email'], $settings['firm_name'] );
      }

      $mail->AddAddress( $email, '' );
      $mail->Subject = $subject;
      $mail->Body    = $text;

      if ( is_array( $file ) )
      {
        foreach ( $file as $file_tmp )
        {
          if ( file_exists( $file_tmp ) )
            $mail->AddAttachment( $file_tmp );
        }
      }
      else
      {
        if ( file_exists( $file ) )
          $mail->AddAttachment( $file );
      }

      $mail->IsHTML( true );
      return $mail->Send();
    }
    return false;
  }
}