/**
 * get custom fields
 */
function mgm_get_custom_fields($user_ID = false, $display = NULL, $name = 'mgm_upgrade_field')
{
    // display
    if (!$display) {
        $display = array('on_upgrade' => true);
    }
    // get system
    $system_obj = mgm_get_class('system');
    // init
    $html = '';
    // wordpress register
    $wordpres_form = mgm_check_wordpress_login();
    // 	get row row template
    $form_row_template = $system_obj->get_template('register_form_row_template');
    // get template row filter, mgm_register_form_row_template for custom
    $form_row_template = apply_filters('mgm_register_form_row_template', $form_row_template);
    // get mgm_form_fields generator
    $form_fields = new mgm_form_fields(array('wordpres_form' => $wordpres_form, 'form_row_template' => $form_row_template));
    //member
    $member = mgm_get_member($user_ID);
    // user fields on specific page, coupon specially
    $cf_profile_page = mgm_get_class('member_custom_fields')->get_fields_where(array('display' => $display));
    // loop fields
    foreach ($cf_profile_page as $field) {
        $value = '';
        //custom filed value
        if (isset($member->custom_fields->{$field}['name'])) {
            $value = $member->custom_fields->{$field}['name'];
        }
        // init
        $form_html = $form_row_template;
        // replace wrapper
        $form_html = str_replace('[user_field_wrapper]', $field['name'] . '_box', $form_html);
        // replace label
        $form_html = str_replace('[user_field_label]', $field['attributes']['hide_label'] ? '' : mgm_stripslashes_deep($field['label']), $form_html);
        // replace element
        $form_html = str_replace('[user_field_element]', $form_fields->get_field_element($field, $name, $value), $form_html);
        // append
        $html .= $form_html;
    }
    //return
    return $html;
}
function mgm_attach_scripts($return = false, $exclude = array('jquery.ajaxfileupload.js'))
{
    global $mgm_scripts;
    // wp login form
    $wordpres_login_form = mgm_check_wordpress_login();
    // int css array
    $css_files = array();
    // subscribe page css, loaded from wp-admin
    /*
    if( mgm_get_query_var('purchase_subscription') || mgm_get_query_var('payment_return')):
    	$css_files[] = admin_url('/css/login.css');
    	$css_files[] = admin_url('/css/colors-fresh.css'); 
    endif; 
    */
    // group
    $css_group = mgm_get_css_group();
    //issue #867
    if ($css_group != 'none') {
        // other, loaded from mgm custom
        $css_files[] = MGM_ASSETS_URL . 'css/' . $css_group . '/mgm.form.fields.css';
        $css_files[] = MGM_ASSETS_URL . 'css/' . $css_group . '/mgm.site.css';
        $css_files[] = MGM_ASSETS_URL . 'css/' . $css_group . '/mgm.cc.fields.css';
        $css_files[] = MGM_ASSETS_URL . 'css/' . $css_group . '/mgm/jquery.ui.css';
        $css_files[] = MGM_ASSETS_URL . 'css/' . $css_group . '/mgm.pages.css';
    }
    // disable
    $disable_jquery = false;
    //this is for blocking loading jquery externally, to disable jquery add_filter and modify disable_jquery to return true
    $disable_jquery = apply_filters('disable_jqueryon_page', $disable_jquery);
    // init js array
    $js_files = array();
    $arr_default_pages = array('wp-login.php', 'user-edit.php', 'profile.php');
    $default_page = in_array(basename($_SERVER['SCRIPT_FILENAME']), $arr_default_pages) ? true : false;
    // jquery from wp distribution
    if ($default_page && !in_array('jquery.js', (array) $mgm_scripts) || !wp_script_is('jquery') && !$disable_jquery) {
        if ($default_page && !in_array('jquery.js', (array) $mgm_scripts) || !mgm_is_script_already_included('jquery.js')) {
            $js_files[] = includes_url('/js/jquery/jquery.js');
            $mgm_scripts[] = 'jquery.js';
        }
    }
    // custom
    //if(!wp_script_is('mgm-jquery-validate'))
    //	if(!mgm_is_script_already_included('jquery.validate.pack.js')) {
    if ($default_page && !in_array('jquery.validate.pack.js', (array) $mgm_scripts) || !wp_script_is('mgm-jquery-validate') && !mgm_is_script_already_included(MGM_ASSETS_URL . 'js/jquery/jquery.validate.pack.js', true)) {
        $js_files[] = MGM_ASSETS_URL . 'js/jquery/jquery.validate.pack.js';
        $mgm_scripts[] = 'jquery.validate.pack.js';
    }
    //if(!wp_script_is('mgm-jquery-metadata'))
    //	if(!mgm_is_script_already_included('jquery.metadata.js')) {
    if ($default_page && !in_array('jquery.metadata.js', (array) $mgm_scripts) || !wp_script_is('mgm-jquery-metadata') && !mgm_is_script_already_included(MGM_ASSETS_URL . 'js/jquery/jquery.metadata.js', true)) {
        $js_files[] = MGM_ASSETS_URL . 'js/jquery/jquery.metadata.js';
        $mgm_scripts[] = 'jquery.metadata.js';
    }
    //if(!wp_script_is('mgm-helpers'))
    //	if(!mgm_is_script_already_included('helpers.js', true)) {
    if ($default_page && !in_array('helpers.js', (array) $mgm_scripts) || !wp_script_is('mgm-helpers') && !mgm_is_script_already_included(MGM_ASSETS_URL . 'js/helpers.js', true)) {
        $js_files[] = MGM_ASSETS_URL . 'js/helpers.js';
        $mgm_scripts[] = 'helpers.js';
    }
    // ui on wp version
    $jqueryui_version = mgm_get_jqueryui_version();
    // add to array
    //if(!wp_script_is('mgm-jquery-ui')) {
    //if(!mgm_is_script_already_included('jquery-ui-'.$jqueryui_version.'.min.js')) {
    if ($default_page && !in_array('jquery-ui-' . $jqueryui_version . '.min.js', (array) $mgm_scripts) || !wp_script_is('mgm-jquery-ui') && !mgm_is_script_already_included('jquery-ui-' . $jqueryui_version . '.min.js')) {
        $js_files[] = MGM_ASSETS_URL . 'js/jquery/jquery.ui/jquery-ui-' . $jqueryui_version . '.min.js';
        $mgm_scripts[] = 'jquery-ui-' . $jqueryui_version . '.min.js';
    }
    //}
    //if(!wp_script_is('mgm-jquery-ajaxupload')) {
    //	if(!mgm_is_script_already_included('jquery.ajaxfileupload.js')) {
    if ($default_page && !in_array('jquery.ajaxfileupload.js', (array) $mgm_scripts) || !mgm_is_script_already_included(MGM_ASSETS_URL . 'js/jquery/jquery.ajaxfileupload.js', true) && !wp_script_is('mgm-jquery-ajaxupload')) {
        $js_files[] = MGM_ASSETS_URL . 'js/jquery/jquery.ajaxfileupload.js';
        $mgm_scripts[] = 'jquery.ajaxfileupload.js';
    }
    //}
    // if(!wp_script_is('mgm-jquery-watermarkinput'))
    // $js_files[] = MGM_ASSETS_URL . 'js/jquery/jquery.watermarkinput.js';
    // init
    $scripts = '';
    // css format
    $css_link_format = '<link rel="stylesheet" href="%s" type="text/css" media="all" />';
    // add
    foreach ($css_files as $css_file) {
        $scripts .= sprintf($css_link_format, $css_file);
    }
    // js format
    $js_script_format = '<script type="text/javascript" src="%s"></script>';
    // add
    if ($js_files) {
        foreach ($js_files as $js_file) {
            $scripts .= sprintf($js_script_format, $js_file);
        }
    }
    // return
    if ($return) {
        return $scripts;
    } else {
        echo $scripts;
    }
}
/**
 * custom register form
 *
 * @param array $args
 * @param bool $use_default_links
 * @return string $form
 */
function mgm_user_register_form($args = array(), $use_default_links = false)
{
    // hide from logged in user
    if (is_user_logged_in()) {
        // redirect
        return __('You are already logged in!', 'mgm');
    }
    // registration disabled
    if (!get_option('users_can_register')) {
        // redirect
        return __('User registration is currently not allowed.', 'mgm');
    }
    // get system
    $system_obj = mgm_get_class('system');
    // hide flag
    $hide_custom_fields = $system_obj->get_setting('hide_custom_fields');
    // init
    $cf_show_fields = array();
    // default_register_fields
    $register_fields = mgm_get_config('default_register_fields', array());
    // get active custom fields on register
    $cf_register_page = mgm_get_class('member_custom_fields')->get_fields_where(array('display' => array('on_register' => true)));
    //issue #1573
    $membership_args_fields = "";
    if (isset($args['membership']) && !empty($args['membership'])) {
        //init
        $show_fields_arr = array();
        // membership
        $membership = $args['membership'];
        // get active custom fields on register
        $cf_register_by_membership_types = mgm_get_class('member_custom_fields')->get_fields_where(array('attributes' => array('register_by_membership_types' => true)));
        //check
        if (!empty($cf_register_by_membership_types)) {
            //loop
            foreach ($cf_register_by_membership_types as $cf_register_by_membership_type) {
                //membership_type
                $membership_types_string = isset($cf_register_by_membership_type['attributes']['register_membership_types_field_alias']) ? $cf_register_by_membership_type['attributes']['register_membership_types_field_alias'] : null;
                //check
                if (preg_match('/\\b' . $membership . '\\b/', $membership_types_string) && $membership_types_string != null) {
                    $show_fields_arr[] = $cf_register_by_membership_type['name'];
                }
            }
        }
        //filter if any empty values found check
        $show_fields_arr = array_filter($show_fields_arr);
        //check
        if (!empty($show_fields_arr)) {
            $membership_args_fields = implode(',', $show_fields_arr);
        }
    }
    // # 740
    // Show fields in short code to filter the registration form #Issue 740
    $args_fields = '';
    if (isset($args['show_fields']) && !empty($args['show_fields']) || isset($membership_args_fields) && !empty($membership_args_fields)) {
        $package = isset($args['package']) ? $args['package'] : null;
        $args_fields = isset($args['show_fields']) ? $args['show_fields'] : $membership_args_fields;
        if (!empty($args_fields)) {
            $cf_register_page = mgm_show_fields_result($args_fields, $cf_register_page, $package);
        }
    }
    // error_html
    $error_html = '';
    // save-------------------------------------------------
    if (isset($_POST['method']) && $_POST['method'] == 'create_user') {
        // check security before processing form
        if (!wp_verify_nonce(mgm_post_var('_mgmnonce_user_register'), 'user_register')) {
            mgm_security_error('user_register');
        }
        // load wp lib for register
        if (mgm_compare_wp_version('3.1', '<')) {
            // only before 3.1
            require_once ABSPATH . WPINC . '/registration.php';
        }
        // process hooked registers i.e. facebook connect
        do_action('mgm_user_register_pre_process');
        // init
        $user_login = $user_email = '';
        // loop to check
        foreach ($register_fields as $cfield => $wfield) {
            // set custom
            if (isset($_POST['mgm_register_field'][$cfield])) {
                // set from custom
                ${$wfield['name']} = $_POST['mgm_register_field'][$cfield];
            } else {
                if (isset($_POST[$wfield['name']])) {
                    // default field
                    ${$wfield['name']} = $_POST[$wfield['name']];
                } else {
                    // else
                    ${$wfield['name']} = '';
                }
            }
        }
        // user login
        if (empty($user_login)) {
            $user_login = mgm_generate_user_login($user_email);
        }
        //issue #1573
        if (!isset($args['show_fields']) && isset($args['membership'])) {
            $args['show_fields'] = $_REQUEST['show_fields'];
        }
        // get error
        $errors = mgm_register_new_user($user_login, $user_email, isset($args['show_fields']) ? $args['show_fields'] : NULL);
        // no error
        if (!is_wp_error($errors)) {
            // get redirect
            $redirect = mgm_get_custom_url('login', $use_default_links, array('checkemail' => 'registered'));
            // check default
            $redirect_to = !empty($_POST['redirect_to']) ? $_POST['redirect_to'] : $redirect;
            // redirect
            wp_safe_redirect($redirect_to);
            // exit
            exit;
        }
        // errors
        $error_html = mgm_set_errors($errors, true);
    }
    // end save-----------------------------------------------
    // issue#: 532
    $form_action = isset($args['package']) || isset($args['membership']) ? get_permalink() : mgm_get_custom_url('register');
    // package code:
    if ($package = mgm_request_var('package', '', true)) {
        $form_action = add_query_arg(array('package' => $package), $form_action);
    }
    // membership code:
    if ($membership = mgm_request_var('membership', '', true)) {
        $form_action = add_query_arg(array('membership' => $membership), $form_action);
    }
    // wordpress register
    $wordpres_form = mgm_check_wordpress_login();
    // 	get row row template
    $form_row_template = $system_obj->get_template('register_form_row_template');
    // get template row filter, mgm_register_form_row_template for custom, mgm_register_form_row_template_wordpress for wordpress
    $form_row_template = apply_filters('mgm_register_form_row_template' . ($wordpres_form ? '_wordpress' : ''), $form_row_template);
    // form_fields_config
    $form_fields_config = array('wordpres_form' => (bool) $wordpres_form, 'form_row_template' => $form_row_template, 'cf_register_page' => $cf_register_page, 'args' => $args);
    // get mgm_form_fields generator
    $form_fields = new mgm_form_fields($form_fields_config);
    // default
    $form_html = '';
    // register & purchase, purchase options
    if (isset($_GET['show_purchase_options']) && isset($_GET['post_id'])) {
        // set
        $form_html .= apply_filters('mgm_guest_purchase_register_form_pre_register_html', mgm_get_post_purchase_options((int) strip_tags($_GET['post_id']), 'pre_register'));
    }
    // register & purchase, add post id
    if (isset($_GET['post_id']) && (int) $_GET['post_id'] > 0) {
        // set
        $form_html .= sprintf('<input type="hidden" name="post_id" value="%d">', (int) strip_tags($_GET['post_id']));
    }
    //register & purchase postpack
    if (isset($_GET['postpack_id']) && (int) $_GET['postpack_id'] > 0 && isset($_GET['postpack_post_id']) && (int) $_GET['postpack_post_id'] > 0) {
        // set
        // $form_html .= mgm_get_postpack_template($_GET['postpack_id'],false,$_GET['postpack_post_id'],'pre_register');
        $form_html .= sprintf('<input type="hidden" name="postpack_id" value="%d">', (int) strip_tags($_GET['postpack_id']));
        $form_html .= sprintf('<input type="hidden" name="postpack_post_id" value="%d">', (int) strip_tags($_GET['postpack_post_id']));
    }
    // mgm_pr($register_fields);
    // loop default register fields, create each if they are not defined in custom fields
    foreach ($register_fields as $cfield => $wfield) {
        // set not found
        $captured = false;
        // first check if in custom fields
        foreach ($cf_register_page as $rfield) {
            // if default register field  == custom register field, skip
            if ($rfield['name'] == $cfield) {
                // skip custom fields by settings call
                if ($hide_custom_fields == 'Y' || $hide_custom_fields == 'W' && $wordpres_form || $hide_custom_fields == 'C' && !$wordpres_form) {
                    // if($hide_custom_fields && $cfield['name'] != 'subscription_options') continue;
                    if (!in_array($field['name'], array('subscription_options', 'payment_gateways'))) {
                        continue;
                    }
                }
                // set found
                $captured = true;
                // do nothing
                break;
            }
            // skip username if setting enabled @todo
            if ($cfield == 'username' && bool_from_yn($system_obj->get_setting('enable_email_as_username'))) {
                // set found
                $captured = true;
                break;
            }
        }
        // not found
        if (!$captured) {
            // create element
            $form_html .= str_replace(array('[user_field_wrapper]', '[user_field_label]', '[user_field_element]'), array($wfield['name'], mgm_stripslashes_deep($wfield['label']), $form_fields->get_field_element($wfield, 'mgm_register_field')), $form_row_template);
        }
    }
    // register custom fields, this will be called via register_form hook
    // $form_html .= mgm_wp_register_form_additional($form_fields, $args, true);
    // register button text
    $register_button_text = apply_filters('mgm_register_button_text', $system_obj->get_setting('register_text', __('Register', 'mgm')));
    // buttons
    $buttons = array(sprintf('<input class="button mgm-register-button" type="submit" name="wp-submit" id="wp-submit" value="%s" tabindex="100" />', $register_button_text));
    // apply filters
    $buttons_s = implode(apply_filters('mgm_register_form_buttons_sep', ' &nbsp; '), apply_filters('mgm_register_form_buttons', $buttons));
    // append
    $buttons_html = sprintf('<div class="register-page-buttons">%s</div>', $buttons_s);
    // nonce
    $nonce = wp_nonce_field('user_register', '_mgmnonce_user_register', true, false);
    // this will not work in page shortcde as this does not return form html but directly outputs it
    // do_action('register_form');
    // set to globals to be used by "register_form" action hook
    $GLOBALS['form_fields'] = $form_fields;
    // attach custom fields via default hook
    $form_html .= apply_filters('mgm_register_form', $form_html);
    // output form
    $html = '<div class="mgm_register_form">
				' . $error_html . '
				<form class="mgm_form" name="registerform" id="registerform"  action="' . $form_action . '" method="post">	               
				   ' . $form_html . $buttons_html . $nonce . '					
					<input type="hidden" name="method" value="create_user">	
					<input type="hidden" name="show_fields" value="' . $args_fields . '">					
				</form>
			 </div>';
    // after links
    $links = array();
    // login link
    $links[] = sprintf('<a class="mgm-login-link" href="%s" title="%s">%s</a>', mgm_get_custom_url('login', $use_default_links), __('Log in', 'mgm'), __('Log in', 'mgm'));
    // lostpassword link
    if (get_option('users_can_register')) {
        $links[] = sprintf('<a class="mgm-lostpassword-link" href="%s" title="%s">%s</a>', mgm_get_custom_url('lostpassword', $use_default_links), __('Password Lost and Found', 'mgm'), __('Lost your password', 'mgm'));
    }
    // apply filters
    $links_s = implode(apply_filters('mgm_register_form_after_links_sep', ' | '), apply_filters('mgm_register_form_after_links', $links));
    // append
    $html .= sprintf('<div class="register-page-links">%s</div>', $links_s);
    // attach scripts,
    $html .= mgm_attach_scripts(true);
    // scripts & styles --------------------
    $script = "";
    //issue #1125
    $script .= "jQuery(document).ready(function() {\r\r\n\t\t\t\t\tvar c ='coupon';\r\r\n\t\t\t\t\tif(jQuery('.coupon_box input').attr('name') == 'mgm_register_field') {\t\r\r\n\t \t\t\t\t\tjQuery('.coupon_box input').attr('name', 'mgm_register_field['+c+']');\r\r\n\t\t\t\t\t}\r\r\n\t\t\t\t});";
    // script
    $script = sprintf('<script type="text/javascript">%s</script>', apply_filters('mgm_register_form_inline_script', $script));
    // scripts
    $html .= apply_filters('mgm_register_form_scripts', $script);
    // style
    $style = '.register-page-links, .register-page-buttons{margin-top:10px; clear:both}';
    // style
    $style = sprintf('<style type="text/css">%s</style>', apply_filters('mgm_register_form_inline_style', $style));
    // style
    $html .= apply_filters('mgm_register_form_styles', $style);
    // apply filter and return
    return apply_filters('mgm_register_form_html', $html);
}