/**
 * registration for digital sheet
 */

// registration form shortcode
function itamar_ds_registration_form($atts) {

    $atts = shortcode_atts(
        array(
            'ccap' => '',
            'link' => '',
            'name' => '',
        ), $atts, 'ds_form' );


    // only show the registration form to non-logged-in members
    if(!is_user_logged_in()) {

        // check to make sure user registration is enabled
        $registration_enabled = get_option('users_can_register');

        // only show the registration form if allowed
        if($registration_enabled) {

            $output = "<div class='ds-form'>";
                $output .= "<form action='' method='POST' id='form--" . $ccap . "' class='spu-disable-ajax'>";
                $output .= "<fieldset>";

                    $output .= "<label for='ds_name' class='blind'>השם שלך</label>";
                    $output .= "<input name='ds_name' type='text' placeholder='השם שלך' required/>";

                    $output .= "<label for='ds_email' class='blind'>כתובת אימייל</label>";
                    $output .= "<input name='ds_email' type='email' placeholder='כתובת אימייל' required/>";

                    $output .= "<label for='ds_phone' class='blind'>מספר טלפון</label>";
                    $output .= "<input name='ds_phone' type='tel' placeholder='מספר טלפון' pattern='^0\d([\d]{0,1})([-]{0,1})\d{7}$' required/>";

                    $output .= "<input type='hidden' name='ds_register_nonce' value='" . wp_create_nonce('ds-register-nonce') . "'/>";

                    $output .= "<input type='hidden' name='ds_ccap' value='access_s2member_ccap_" . esc_html__($atts['ccap']) . "'/>";

                    $output .= "<input type='hidden' name='ds_link' value='" . esc_html__($atts['link']) . "'/>";

                    $output .= "<input type='hidden' name='ds_subject_name' value='" . esc_html__($atts['name']) . "'/>";

                    $output .= "<input type='submit' value='קדימה!'/>";
            $output .= "</fieldset>";
          $output .= "</form>";
        $output .= "</div>";
        } else {
            $output = "שגיאה: רישום משתמשים סגור";
        }
        return $output;
    }
}
add_shortcode('ds_form', 'itamar_ds_registration_form');

// register a new user
function itamar_add_new_member() {
    if (isset( $_POST["ds_email"] ) && wp_verify_nonce($_POST['ds_register_nonce'], 'ds-register-nonce')) {
        $user_name      = $_POST["ds_name"];
        $user_email     = $_POST["ds_email"];
        $user_phone     = $_POST["ds_phone"];
        $user_ccap      = $_POST["ds_ccap"];
        $link           = $_POST["ds_link"];
        $subject_name   = $_POST["ds_subject_name"];
        $user_pass      = wp_generate_password(8);

        // this is required for username checks
        require_once(ABSPATH . WPINC . '/registration.php');


        if(!is_email($user_email)) {
            //invalid email
            itamar_errors()->add('email_invalid','אימייל לא תקין');
            $error_message = 1;
        }
        if($user_phone == '') {
            // empty phone
            itamar_errors()->add('password_empty', 'יש להזין מספר טלפון');
            $error_message = 3;
        }
        if($user_ccap == '' || !isset($user_ccap)) {
            // error with shortcode
            itamar_errors()->add('general_error', 'שגיאה כללית. נא לפנות למנהל האתר.');
            $error_message = 4;
        }
        if(email_exists($user_email)) {
            //Email address already registered
            $user = get_user_by( 'email', $user_email );
            if( !user_can( $user, 'access_s2member_level0' ) ){
                itamar_errors()->add('email_used_ok', 'אין שגיאה');
                $error_message = 5;
                $user->add_role( 'subscriber' );
                $user->add_cap( $user_ccap );
                update_user_meta( $user->ID, 'billing_phone', sanitize_text_field( $user_phone ) );
                wp_redirect( $link . '?link=' . $link . '&message=error&errorm=' . $error_message ); exit;
            }else{
                itamar_errors()->add('email_used', 'האימייל נמצא בשימוש, יכול להיות שיש לך כבר מנוי או כניסה חינם?');
                $error_message = 2;
            }
        }

        $errors = itamar_errors()->get_error_messages();


        // only create the user in if there are no errors
        if(empty($errors)) {

            $new_user_id = wp_insert_user(array(
                    'user_login'        => $user_email,
                    'user_pass'         => $user_pass,
                    'user_email'        => $user_email,
                    'first_name'        => $user_name,
                    'user_registered'   => date('Y-m-d H:i:s'),
                    'role'              => 'subscriber',
                    'description'           => sanitize_text_field( $user_phone ), //add phone number as description for Zapier sync purposes
                )
            );
            if($new_user_id) {
                // add custom capability to new added user
                $user = new WP_User( $new_user_id );
                $user->add_cap( $user_ccap );

                update_user_meta( $new_user_id, 'billing_phone', sanitize_text_field( $user_phone ) );

                // send an email to the admin alerting them of the registration
                itamar_new_user_notification($link, $user_name, $user_email, $user_phone, $subject_name, $user_pass);

                // send the newly created user to the provided link after logging them in
                /*
                $output = "<h3>מעולה! נפתחו בפניך מגוון כתבות חדשות בנושא " . $subject_name . "</h3>";
                $output .= "<p><a class='call-to-action' title='רשימת הכתבות שנפתחו' href='" . $link . "'>כל הכתבות</a></p>";
                $output .= "<p><small>שם משתמש וסיסמה נשלחו אליך לאימייל וישמשו אותך להתחברות בעתיד</small></p>";

                return $output;
                */
                // send the newly created user to a welcoming
                wp_redirect( $link . '?link=' . $link . '&message=welcome' ); exit;
            }

        }else{
            wp_redirect( $link . '?link=' . $link . '&message=error&errorm=' . $error_message ); exit;
        }

    }
}
add_action('init', 'itamar_add_new_member');