<?php

class email {

    private $status;
    private $erros;

    public function __construct() {

        $this->__setStatus(false);
        $this->__setErros(array());
    }

    private function __setStatus($s = false) {

        $this->status = (is_bool($s)) ? $s : false;
    }

    private function __setErros($e = array()) {

        $this->erros = (is_array($e)) ? $e : array();
    }

    public function getStatus() {

        return $this->status;
    }

    public function getErros() {

        return $this->erros;
    }

    public function validarForm($dados = array()) {

        $erros = $campos = array();

        if (!(strlen(trim($_POST['name'])) > 0)) {

            $campos[] = 'nome';
        }

        if (!(strlen(trim($_POST['email'])) > 0)) {

            $campos[] = 'email';
        }

        if (!empty($campos)) {

            $erros[] = 'Por favor, verifique o(s) campo(s) - ( ' . implode(',', $campos) . ' )';
        }

        if ($this->__existUploads($files)) {

            $count = count($files['tmp_name']);

            $invalidos = array();

            for ($i = 0; $i < $count; $i++) {

                $size = $files['size'][$i];

                if ($size > 2000000) {

                    $invalidos[] = $files['name'][$i];
                }
            }

            if (!empty($invalidos)) {

                $erros[] = 'Por favor, verifique o(s) arquivo(s) - ( ' . implode(',', $invalidos) . ' )';
            }
        }

        $status = (empty($erros));

        $this->__setStatus($status);
        $this->__setErros($erros);

        return $erros;
    }

    private function __criarPastaArquivos() {

        if ($this->__existUploads($files)) {

            $total = count($files['tmp_name']);

            for ($i = 0; $i < $total; $i++) {

                $dir = $this->__getFolderContatoPorEmail();

                if (!is_dir($dir)) {

                    mkdir($dir);
                }

                if (!file_exists($dir . '/' . $files["name"][$i])) {

                    move_uploaded_file($files["tmp_name"][$i], $dir . '/' . $files["name"][$i]);
                }
            }
        }
    }

    private function __getFolderContatoPorEmail() {

        return "../storage/contatos/" . $_POST['email'];
    }

    private function __existUploads(&$files) {

        $r = false;

        $files = (isset($_FILES['files'])) ? $_FILES['files'] : array();

        if (is_array($files) && !empty($files)) {

            if (isset($files['tmp_name'])) {

                $r = true;
            }
        }

        return $r;
    }

    public function enviar() {

        require 'libs/PHPMailer/PHPMailerAutoload.php';

        $this->__criarPastaArquivos();

        $mail = new PHPMailer;

        //$mail->SMTPDebug = 3;                               // Enable verbose debug output
        $mail->isSMTP();                                      // Set mailer to use SMTP
        $mail->Host = 'smtp.live.com';                        // Specify main and backup SMTP servers
        $mail->SMTPAuth = true;                               // Enable SMTP authentication
        $mail->Username = 'xxx';                              // SMTP username
        $mail->Password = 'xxx';                              // SMTP password
        $mail->SMTPSecure = 'tls';                            // Enable TLS encryption, `ssl` also accepted
        $mail->Port = 587;                                    // TCP port to connect to

        $mail->setFrom('xxx', 'Mailer');
        $mail->addAddress('xxx', 'Joe User');                 // Add a recipient

        //$mail->addReplyTo('info@example.com', 'Information');
        //$mail->addCC('cc@example.com');
        //$mail->addBCC('bcc@example.com');

        if ($this->__existUploads($files)) {

            $total = count($files['tmp_name']);

            for ($i = 0; $i < $total; $i++) {

                $dir = $this->__getFolderContatoPorEmail();

                $dir .= "/" . $files["name"][$i];

                $mail->addAttachment($dir);
            }
        }

        $mail->isHTML(true);

        $mail->Subject = $_POST['assunto'];

        $html = " <div>"
                . "  <strong>Contato: &nbsp; </strong>" . $_POST['email'] . "<br>  "
                . "  <strong>Data: &nbsp; </strong>" . date('d/m/Y H:i:s') . "<br>  "
                . "  <br><hr><br>  "
                . "  <fieldset>"
                . "     <legend>Mensagem</legend> "
                . "     <p>" . ((strlen(trim($_POST['mensagem'])) > 0) ? $_POST['mensagem'] : 'Nenhuma mensagem foi escrita') . "</p> "
                . "  </fieldset>  "
                . "</div>";

        $mail->Body = $html;
        //$mail->AltBody = 'This is the body in plain text for non-HTML mail clients';

        $status = $mail->send(); //$mail->ErrorInfo;

        $this->__setStatus($status);
    }

}

$email = new email();

$email->validarForm();

$status = $email->getStatus();

if ($status == true) {

    $email->enviar();

    $status = $email->getStatus();

    echo json_encode(array(
        'status' => $status,
        'msg' => ($status == true) ? 'Eamil enviado com sucesso, aguarde o nosso retorno, Obrigado !' : 'Ocorreu um problema no momento do envio, tente novamente !',
        'validacao' => false
    ));
} else {

    echo json_encode(array(
        'status' => false,
        'msgs' => $email->getErros(),
        'validacao' => true
    ));
}