<?php

use PHPMailer\PHPMailer\PHPMailer;
use PHPMailer\PHPMailer\SMTP;
use PHPMailer\PHPMailer\Exception;

require_once 'vendor/autoload.php';

class Gmail
{
  function send(
    $sender,
    $subject,
    $message,
    $recipients,
    $cc,
    $isHtml = false,
    $attachment = [],
    $username,
    $password
  ) {
    $mail = new PHPMailer(true);
    //Configure an SMTP
    $mail->isSMTP();
    $mail->Host =  "smtp.gmail.com";
    $mail->SMTPAuth = true;
    // $mail->Username = "sascpone@gmail.com";
    // $mail->Password = "ahpn zkcw ymkg hsij";
    $mail->Username = $username;
    $mail->Password = $password;
    $mail->SMTPSecure = PHPMailer::ENCRYPTION_STARTTLS;
    $mail->Post = 587;

    $mail->setFrom($sender["email"], $sender["name"]);

    foreach ($recipients as $rec) {
      $mail->addAddress($rec["email"], $rec["name"]);
    }

    foreach ($cc as $rec) {
      $mail->addCC($rec["email"], $rec["name"]);
    }


    $mail->isHTML($isHtml);

    $mail->Subject = $subject;

    $mail->Body    = $message;

    if (count($attachment) > 0) {
      $arr_tmp = [];
      for ($i_att = 0; $i_att < count($attachment); $i_att++) {
        $tmpName = tempnam("/tmp", "att-");
        $fname = $attachment[$i_att]["name"];
        $url = $attachment[$i_att]["url"];
        if ($tmpName === false) {
          return [false, "Failed Create tmpFile for $fname"];
        }
        $tmp_data = file_get_contents($url);
        $status = file_put_contents($tmpName, $tmp_data);
        if ($status === false) {
          return [false, "Failed Create tmpFile for $fname put"];
        }
        $arr_tmp[] = $tmpName;
        $mail->addAttachment($tmpName, $fname);
      }
    }
    if (!$mail->send()) {
      $mail->smtpClose();
      foreach ($arr_tmp as $tmpName) {
        unlink($tmpName);
      }
      return [false, $mail->ErrorInfo];
    } else {
      $mail->smtpClose();
      foreach ($arr_tmp as $tmpName) {
        unlink($tmpName);
      }
      return [true, ""];
    }
  }
}