<?php
    if (!class_exists('Mail')) {
        class Mail {
            private $from;
            private $from_name = "";
            private $type = "text/html";
            private $encoding = "utf-8";
            private $notify = false;
            private $errors = '';

            /* Конструктор принимающий обратный e-mail адрес */
            public function __construct($from) {
                $this->from = $from;
            }

            /* Изменение обратного e-mail адреса */
            public function setFrom($from) {
                $this->from = $from;
            }

            /* Изменение имени в обратном адресе */
            public function setFromName($from_name) {
                $this->from_name = $from_name;
            }

            /* Изменение типа содержимого письма */
            public function setType($type) {
                $this->type = $type;
            }

            /* Нужно ли запрашивать подтверждение письма */
            public function setNotify($notify) {
                $this->notify = $notify;
            }

            /* Изменение кодировки письма */
            public function setEncoding($encoding) {
                $this->encoding = $encoding;
            }


            //email_from,email_from_name,email_to,subject,text
            /* Метод отправки письма */
            public function send($to, $subject, $message) {
                global $name_project, $site;

                $smtp_api_key = 'uxeLBonxdZJAjRuSxRNXeEWCoTtU2YHmmLYN';
                $fields = [
                    'from' => 'support@' . server('SERVER_NAME'),
                    'name' => $name_project,
                    'subject' => $subject,
                    'to' => $to,
                    'html' => $message,
                ];

                $curl = curl_init();
                curl_setopt($curl, CURLOPT_URL, 'https://api.smtp.bz/v1/smtp/send');
                curl_setopt($curl, CURLOPT_HTTPHEADER, ['authorization: ' . $smtp_api_key, 'content-type: multipart/form-data']);
                curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
                curl_setopt($curl, CURLOPT_POST, true);
                curl_setopt($curl, CURLOPT_POSTFIELDS, $fields);
                $out = curl_exec($curl);
                $err = curl_error($curl);
                //log_write($out, $err);

                curl_close($curl);

                $res = json_decode($out, true)['result'];
                if (!$res) {
                    $this->errors = json_decode($out, true)['errors']['message'];
                }

                return $res;
            }

            public function getErrorMessage() {
                return $this->errors;
            }
        }
    }