<?php
class Scores_Mail_Method extends Zend_Mail
{
    protected $config;
    protected $transport;

    /**
     * Gestion de l'envoi des mails en fonction de la configuration
     * Fournir un objet de configuration ou utiliser la configuration de l'application
     * method => smtp, sendmail, file
     * Si method = smtp
     * (host => IP, dns)
     *
     * Activer l'authentification
     * (auth => login, plain, ....)
     * (username => )
     * (password => )
     */
    public function __construct($config = null)
    {
        if ($config === null) {
            $c = Zend_Registry::get('config');
            $this->config = $c->profil->mail;
        } else {
            $this->config = $config;
        }

        $this->_charset = 'ISO-8859-15';

        // --- Configuration du transport SMTP
        if ($this->config->method == 'smtp') {
            $config = array();

            if (isset($this->config->auth)) {
                $config['auth'] = $this->config->auth;
                if (isset($this->config->username)) {
                    $config['username'] = $this->config->username;
                }
                if (isset($this->config->password)) {
                    $config['password'] = $this->config->password;
                }
            }

            if (isset($this->config->port)) {
                $config['port'] = $this->config->port;
            }

            $tr = new Zend_Mail_Transport_Smtp($this->config->host, $config);
        }

        // --- Configuration transport Sendmail
        if ($this->config->method == 'sendmail') {
            $tr = new Zend_Mail_Transport_Sendmail();
        }

        // --- Configuration transport File
        if ($this->config->method == 'file') {
            $tr = new Zend_Mail_Transport_File(array('callback' => array($this, 'recipientFilename')));
        }

        $this->transport = $tr;
    }

    /**
     * Champ From en fonction de la clé de configuration
     * @param string $configKey
     */
    public function setFromKey($configKey)
    {
        $email = $this->config->email->$configKey;
        $this->setFrom($email, ucfirst($configKey));
    }

    /**
     * Champ To en fonction de la clé de configuration
     * @param string $configKey
     */
    public function addToKey($configKey)
    {
        $email = $this->config->email->$configKey;
        $this->addTo($email, ucfirst($configKey));
    }

    /**
     * Définit le sujet de l'email
     * @param string $texte
     */
    public function setSubjectC($texte = '')
    {
        $this->setSubject($this->txtConvert($texte));
    }

    /**
     * Définit le corps de l'email au format texte
     * @param string $texte
     */
    public function setBodyTextC($texte = '')
    {
        $this->setBodyText($this->txtConvert($texte));
    }

    /**
     * Définit le corps de l'email au format html
     * @param string $html
     */
    public function setBodyHtmlC($html = '')
    {
        $this->setBodyHtml($this->txtConvert($html));
    }

    /**
     * Envoi de l'emai
     */
    public function execute()
    {
        return $this->send($this->transport);
    }

    //We suppose that character encoding of strings is UTF-8 on PHP script.
    protected function txtConvert($string)
    {
        return mb_convert_encoding($string, 'ISO-8859-1', 'UTF-8');
    }

    protected function recipientFilename($transport)
    {
        return $transport->recipients . '_' . mt_rand() . '.tmp';
    }
}