<?php
	/**
	 *	Teasers
	 */
	function get_field_teasers($field_value, $action, $field_id=0, $tpl='', $tpl_empty=0, &$maxlength = '', $doc_fields=array(), $rubric_id=0, $default='', $_tpl=null)
	{
		global $AVE_DB, $AVE_Template;
		
		$fld_dir = dirname(__FILE__) . '/';
		$tpl_dir = $fld_dir . 'tpl/';
		$fld_name = basename($fld_dir);

		$lang_file = $fld_dir . 'lang/' . (defined('ACP') ? $_SESSION['admin_language'] : $_SESSION['user_language']) . '.txt';

		$AVE_Template->config_load($lang_file, 'lang');
		$AVE_Template->assign('config_vars', $AVE_Template->get_config_vars());
		$AVE_Template->config_load($lang_file, 'admin');

		switch ($action)
		{
			case 'edit':

				$items = array();

				$items = @unserialize($field_value); 

				if($items != false){

					foreach($items as $k => $v){
						$list_item = explode('|', $v);

						$list[$k]['param'] = (isset($list_item[0])) ? htmlspecialchars($list_item[0], ENT_QUOTES) : '';
						$list[$k]['value'] = (isset($list_item[1])) ? htmlspecialchars($list_item[1], ENT_QUOTES) : '';
					}

					$items = $list;
				}

				$tpl_file = get_field_tpl($tpl_dir, $field_id, 'admin', $_tpl);

				$AVE_Template->assign('doc_id', (isset($_REQUEST['Id'])) ? $_REQUEST['Id'] : 0);
				$AVE_Template->assign('items', $items);
				$AVE_Template->assign('field_dir', $fld_name);
				$AVE_Template->assign('field_id', $field_id);

				return $AVE_Template->fetch($tpl_file);

			case 'save':
				foreach ($field_value as $v)
				{
					if(! empty($v['value']) && ! empty($v['param']))
					{
						$field_value_new[] = $v['param'] . ($v['value'] ? '|' . $v['value'] : '');
					}
				}
				if (isset($field_value_new))
				{
					return @serialize($field_value_new);
				}
				else
				{
					return $field_value_new = '';
				}
				break;

			case 'doc':

				$items = (isset($field_value))
					? @unserialize($field_value)
					: array();

				$res = array();

				if ($items != false)
				{
					foreach($items as $item)
					{
						$item = explode('|', $item);

						if (isset($item[1]) && $item[1]) 
							$res[] = showteaser($item[1]);
					}
				}

				return (! empty($res))
					? implode(PHP_EOL, $res)
					: $tpl;

				break;

			case 'req':
				return get_field_default($field_value, $action, $field_id, $tpl, $tpl_empty);

			case 'api' :
				if (! empty($field_value))

					return @unserialize($field_value);

				return $field_value;
				break;

			case 'name' :
				return $AVE_Template->get_config_vars('name');
				break;

case 'search':

				if (!isset($_REQUEST['q']) || !isset($_REQUEST['rubric_id'])) {
					echo json_encode([]);
					exit;
				}
				$search_query = addslashes($_REQUEST['q']);
                $rubric_id = (int)$_REQUEST['rubric_id'];
				
				$field_default = explode(',', $default);

				$use_field_0 = isset($field_default[0]) && (int)$field_default[0];
				$use_field_1 = isset($field_default[1]) && (int)$field_default[1];

				$zap_1 = ($use_field_0 || $use_field_1) ? ',' : '';
				$zap_2 = ($use_field_0 && $use_field_1) ? ',' : '';
				
				$select_fields = [];
				if ($use_field_0) {
					$select_fields[] = 'b.field_value as b1';
				}
				if ($use_field_1) {
					$select_fields[] = 'c.field_value as c1';
				}
				$select_clause = (!empty($select_fields)) ? ',' . implode(',', $select_fields) : '';

				$from_fields = [];
				if ($use_field_0) {
					$from_fields[] = PREFIX . '_document_fields b';
				}
				if ($use_field_1) {
					$from_fields[] = PREFIX . '_document_fields c';
				}
				$from_clause = (!empty($from_fields)) ? ',' . implode(',', $from_fields) : '';


				$search_1 = ($use_field_0) ? "AND (b.document_id=a.Id AND b.rubric_field_id = " . (int)$field_default[0] . ")" : '';
				$search_2 = ($use_field_1) ? "AND (c.document_id=a.Id AND c.rubric_field_id = " . (int)$field_default[1] . ")" : '';

				$or_1 = ($use_field_0) ? "OR (UPPER(b.field_value) LIKE UPPER('%" . $search_query . "%'))" : '';
				$or_2 = ($use_field_1) ? "OR (UPPER(c.field_value) LIKE UPPER('%" . $search_query . "%'))" : '';

                $sql = $AVE_DB->Query("
					SELECT
						a.Id,
						a.document_title
						{$select_clause}
					FROM
						" . PREFIX . "_documents a
						{$from_clause}
					WHERE
						/* a.rubric_id = '" . $rubric_id . "'
						AND */
						a.document_status = 1
						" . $search_1 . "
						" . $search_2 . "
						AND
							(
								(UPPER(document_title) LIKE UPPER('%" . $search_query . "%'))
								" . $or_1 . "
								" . $or_2 . "
							)
					GROUP BY a.Id
					LIMIT 0,5
				");

				$doc_finded = array();

				while ($row = $sql->FetchRow())
				{
					$doc_finded[] = array(
						'doc_id'		=> $row->Id,
						'doc_title'		=> $row->document_title,
						'doc_name'		=> (($use_field_0) ? (isset($row->b1) ? $row->b1 : '') : $row->document_title),
						'doc_article'	=> (($use_field_1) ? (isset($row->c1) ? $row->c1 : '') : '')
					);
				}

				echo json_encode($doc_finded);
			exit;

			default:
				return $field_value;
		}

		return ($res ? $res : $field_value);
	}
?>