<?php

class actionContentWidgetFieldsAjax extends cmsAction {

    public function run() {

        if (!$this->request->isAjax() || !cmsUser::isAdmin()) {
            return cmsCore::error404();
        }

        $ctype_id = $this->request->get('value', 0);
        if (!$ctype_id) {
            return $this->cms_template->renderJSON(['' => '']);
        }

        $ctype = $this->model->getContentType($ctype_id);
        if (!$ctype) {
            return $this->cms_template->renderJSON(['' => '']);
        }

        $excluding_filter = $this->request->get('excluding_filter', []);

        $fields = $this->model->getContentFields($ctype['name']);

        $fields = cmsEventsManager::hook('ctype_content_fields', $fields);

        $list = [];

        if ($fields) {

            $list[] = ['title' => '', 'value' => ''];

            foreach ($fields as $field) {

                $is_continue = false;

                if ($excluding_filter) {
                    foreach ($excluding_filter as $key => $value) {
                        if (!is_array($value)) {
                            if (isset($field[$key]) && $field[$key] == $value) {
                                $is_continue = true;
                                continue;
                            }
                        } else {
                            foreach ($value as $_key => $_value) {
                                if (!$_value && empty($field[$key][$_key])) {
                                    $is_continue = true;
                                    continue;
                                }
                                if (isset($field[$key][$_key]) && $field[$key][$_key] == $_value) {
                                    $is_continue = true;
                                    continue;
                                }
                            }
                        }
                    }
                }

                if ($is_continue) {
                    continue;
                }

                $list[] = ['title' => $field['title'], 'value' => $field['name']];
            }
        }

        return $this->cms_template->renderJSON($list);
    }

}