<?php

class Dfd_Contact_Form_Mail {

    /**
     *
     * @var Dfd_Contact_Form_Mail $_instance 
     */
    private static $_instance = null;

    public static function instance() {
        if (is_null(self::$_instance)) {
            self::$_instance = new self();
        }
        return self::$_instance;
    }

    function __construct() {
        
    }

    /**
     * 
     * @param Dfd_Submission $subm
     * @return boolean
     */
    public function send($subm) {
        $settings = Dfd_contact_form_settings::instance();
        $set = $settings->getAllSettings();
        if (empty($set))
            return false;
//        print_r($set);
//        return false;
//        print_r($subm->getAllFields());
        $input = $subm->getAllFields();


        $to = isset($set["email_to"]) ? wp_specialchars_decode($set["email_to"]) : '';
        $subject = isset($set["email_subject"]) ? wp_specialchars_decode($set["email_subject"]) : '';
        $body = isset($set["content"]) ? $set["content"] : '';
//        $body = htmlentities(rawurldecode(base64_decode($body)), ENT_COMPAT, 'UTF-8');
//        print_r($body);
//        $from = isset($set["email_from"]) ? $set["email_from"] : '';
//        $replay_to = isset($set["email_replay_to"]) ? wp_specialchars_decode($set["email_replay_to"]) : '';
		$email = get_bloginfo("admin_email");
		if($email){
			$headers[] = 'From: ' . get_bloginfo("name") . ' <'.  $email.'>';
		}
//        $headers[] = 'BCC: ' . $replay_to . '';
        $headers[] = 'Content-Type: text/html; charset=UTF-8';
//        $body = "your-name}} dfddf {{your-email";
//        $body="a='something([findthis(something)])';";
//        preg_match_all("/\{\{(.+)\}\}/im", $body,$match);
        preg_match_all("/({{([A-Za-z0-9-_}}])+)+/i", $body, $match);
        if (isset($match[1])) {
			foreach ($match[1] as $key => $value) {
				$row_value = preg_replace("/{/", "", $value);
				$row_value = preg_replace("/}/", "", $row_value);
				if (array_key_exists($row_value, $input)) {
					$res_val = $input[$row_value]["value"];
					if (is_array(json_decode($res_val))) {
						$arr = json_decode($res_val);
						$res_val = implode(", ", $arr);
					}
					$res_val = htmlspecialchars($res_val);
					$body = "<p>" . preg_replace("/" . $value . "/i", $res_val, $body) . "</p>";
				}
			}
		}
//        $body= html_entity_decode($body);
//        print_r($body);
//        print_r($match);
        return wp_mail($to, $subject, $body, $headers);
    }

}