<?php
/* --------------------------------------------------------------
   ProductAjaxHandler.inc.php 2018-11-15
   Gambio GmbH
   http://www.gambio.de
   Copyright (c) 2016 Gambio GmbH
   Released under the GNU General Public License (Version 2)
   [http://www.gnu.org/licenses/gpl-2.0.html]
   --------------------------------------------------------------
*/

require_once(DIR_FS_CATALOG . 'gm/classes/JSON.php');

class ProductAjaxHandler extends AjaxHandler
{
    function get_permission_status($p_customers_id = null)
    {
        return true;
    }

    function proceed()
    {
        $t_output_array = array();
        $t_enable_json_output = true;

        $t_action_request = $this->v_data_array['GET']['action'];

        switch ($t_action_request) {
            case 'product_images':
                $t_enable_json_output = false;
                $pID = gm_prepare_string($this->v_data_array['GET']['pID']);
                $image_nr = gm_prepare_string($this->v_data_array['GET']['image_nr']);

                $image_active = '';
                $image_data = array();

                $smarty = new Smarty;

                $result = xtc_db_query('
					SELECT
						p.products_image	AS products_image,
						p.gm_show_image		AS gm_show_image,
						pd.products_name	AS products_name,
						pd.gm_alt_text		AS alt_text
					FROM
						products AS p LEFT JOIN products_description AS pd USING (products_id)
					WHERE
						p.products_status = "1" 															AND
						p.products_id 		= "' . (int)$pID . '" AND
						pd.language_id 		= "' . $_SESSION['languages_id'] . '"
				');
                if (xtc_db_num_rows($result) > 0) {
                    $data = xtc_db_fetch_array($result);

                    $smarty->assign('PRODUCTS_NAME', $data['products_name']);

                    if ($data['products_image'] != '' && $data['gm_show_image'] == '1') {
                        // bof gm
                        if (!empty($data['products_image'])) {
                            $gm_imagesize = getimagesize(DIR_FS_CATALOG . DIR_WS_THUMBNAIL_IMAGES . $data['products_image']);
                            $gm_padding = ((PRODUCT_IMAGE_THUMBNAIL_HEIGHT + 10) - $gm_imagesize[1]) / 2;
                        }
                        // eof gm

                        $image_data[] = array(
                            'IMAGE_NR' => '0',
                            'IMAGE_NAME' => DIR_WS_THUMBNAIL_IMAGES . $data['products_image'],
                            'IMAGE_PADDING' => $gm_padding,
                            'IMAGE_ALT' => $data['alt_text']
                        );
                        $image_active = $data['products_image'];
                    }
                }

                $result = xtc_db_query('
					SELECT
						pi.image_nr 	AS image_nr,
						pi.image_name	AS image_name,
						pi.image_id		AS image_id,
						pi.gm_show_image AS gm_show_image
					FROM
						products AS p LEFT JOIN products_images AS pi USING (products_id)
					WHERE
						p.products_status	= "1" AND
						p.products_id 		= "' . (int)$pID . '"
					ORDER BY
						pi.image_nr ASC
				');

                // bof gm
                $alt_form = MainFactory::create_object('GMAltText');
                // eof gm

                while (($row = xtc_db_fetch_array($result))) {
                    // bof gm
                    if (!empty($row['image_name']) && $row['gm_show_image'] == '1') {
                        $gm_imagesize = getimagesize(DIR_FS_CATALOG . DIR_WS_THUMBNAIL_IMAGES . $row['image_name']);
                        $gm_padding = ((PRODUCT_IMAGE_THUMBNAIL_HEIGHT + 10) - $gm_imagesize[1]) / 2;
                        // eof gm


                        $image_data[] = array(
                            'IMAGE_NR' => $row['image_nr'],
                            'IMAGE_NAME' => DIR_WS_THUMBNAIL_IMAGES . $row['image_name'],
                            'IMAGE_PADDING' => $gm_padding,
                            'IMAGE_ALT' => $alt_form->get_alt($row["image_id"], $row['image_nr'], $pID)
                        );
                    }

                    if ($row['image_nr'] == $image_nr) {
                        $image_active = $row['image_name'];
                    }
                }

                if (sizeof($image_data) > 0) {
                    $smarty->assign('image_data', $image_data);
                }

                $smarty->assign('ACTIVE_IMAGE', DIR_WS_POPUP_IMAGES . $image_active);

                $smarty->assign('BOX_WIDTH', PRODUCT_IMAGE_POPUP_WIDTH + 150);
                $smarty->assign('POPUP_WIDTH', PRODUCT_IMAGE_POPUP_WIDTH + 10);

                $smarty->assign('THUMBNAIL_WIDTH', PRODUCT_IMAGE_THUMBNAIL_WIDTH + 10);
                $smarty->assign('THUMBNAIL_HEIGHT', PRODUCT_IMAGE_THUMBNAIL_HEIGHT + 10);


                $smarty->assign('language', $_SESSION['language']);
                $smarty->caching = 0;

                $this->v_output_buffer = $smarty->fetch(DIR_FS_CATALOG . StaticGXCoreLoader::getThemeControl()->getThemeHtmlPath()
                    . 'module/gm_product_images.html');
                break;
            default:
                trigger_error('t_action_request not found: ' . htmlentities($t_action_request), E_USER_WARNING);
                return false;
        }

        if ($t_enable_json_output) {
            $coo_json = new Services_JSON(SERVICES_JSON_LOOSE_TYPE);
            $t_output_json = $coo_json->encode($t_output_array);

            $this->v_output_buffer = $t_output_json;
        }

        return true;
    }
}