<div class="wrap">

    <h2><?php echo SwpmUtils::_('Simple WP Membership::Settings') ?></h2>

    <?php do_action("swpm-draw-tab"); ?>

    <div id="poststuff"><div id="post-body">

            <?php
            global $wpdb;

            if (isset($_POST['swpm_generate_adv_code'])) {
                $paypal_ipn_url = SIMPLE_WP_MEMBERSHIP_SITE_HOME_URL . '/?swpm_process_ipn=1';
                $mem_level = trim($_POST['swpm_paypal_adv_member_level']);
                $query = $wpdb->prepare("SELECT * FROM " . $wpdb->prefix . "swpm_membership_tbl WHERE id !=1 AND id =%d", $mem_level);
                $membership_level_resultset = $wpdb->get_row($query);
                if ($membership_level_resultset) {
                    $pp_av_code = 'notify_url=' . $paypal_ipn_url . '<br /> ' . 'custom=subsc_ref=' . $mem_level;
                    echo '<div id="message" class="updated fade"><p>';
                    echo '<strong>Paste the code below in the "Add advanced variables" field of your PayPal button for membership level ' . $mem_level . '</strong>';
                    echo '<br /><br /><code>' . $pp_av_code . '</code>';
                    echo '</p></div>';
                } else {
                    echo '<div id="message" class="updated fade"><p><strong>';
                    SwpmUtils::e('Error! The membership level ID (' . $mem_level . ') you specified is incorrect. Please check this value again.');
                    echo '</strong></p></div>';
                }
            }
            ?>
            <div class="postbox">
                <h3><label for="title"><?php echo SwpmUtils::_('PayPal Integration Settings') ?></label></h3>
                <div class="inside">

                    <p><strong><?php echo SwpmUtils::_('Generate the "Advanced Variables" Code for your PayPal button') ?></strong></p>

                    <form action="" method="post">
                        <?php echo SwpmUtils::_('Enter the Membership Level ID') ?>
                        <input type="text" value="" size="4" name="swpm_paypal_adv_member_level">
                        <input type="submit" value="<?php echo SwpmUtils::_('Generate Code') ?>" class="button-primary" name="swpm_generate_adv_code">
                    </form>

                </div></div>

        </div></div><!-- end of poststuff and post-body -->
</div><!-- end of wrap -->
