<?php

	/**
	 * AVE.cms
	 *
	 * @package AVE.cms
	 * @version 3.x
	 * @filesource
	 * @copyright © 2007-2014 AVE.cms, http://www.ave-cms.ru
	 *
	 * @license GPL v.2
	 */

	// Изображение (Каскад)
	function get_field_image_multi($field_value, $action, $field_id=0, $tpl='', $tpl_empty=0, &$maxlength=null, $document_fields=array(), $rubric_id=0, $default=null, $_tpl=null)
	{

		global $AVE_Template, $img_pixel;

		$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');

		$res = 0;

		$iniset_count = ini_get('max_file_uploads');

		switch ($action)
		{
			case 'edit':

				$items = array();
				$image_items = array();

				if ($_REQUEST['action'] != 'new')
				{
					$items = unserialize($field_value);

					if($items != false)
					{
						foreach($items as $k => $v)
						{
							$image_item = explode('|', $v);

							$img = $image_item[0];
							unset($image_item[0]);
							$image_item = array($img, implode('|', $image_item));

							$image[$k]['url'] = $image_item[0];
							$image[$k]['thumb'] = ($image_item[0] != '')
								? make_thumbnail(array('size' => 'f100x100', 'link' => $image_item[0]))
								: $img_pixel;

							$image[$k]['desc'] = (isset($image_item[1]))
								? htmlspecialchars($image_item[1], ENT_QUOTES)
								: '';
						}

						if (! empty($image))
						{
							$image_items = $image;
						}
					}
				}

				$show_upload = true;

				$default = explode('|', $default);

				list($path, $watermark, $position, $transparency) = $default;

				if(preg_match("/%id/i", $path))
				{
					if ($_REQUEST['action'] != 'new')
					{
						$path_upload = trim(@str_replace('%id', $_REQUEST['Id'], $path), '/');
						$show_upload = true;
					}
					else
						{
							$path_upload = (! empty($path))
								? trim($path, '/')
								: '';

							$show_upload = false;
						}
				}
				else
					{
						$path_upload = (! empty($path))
							? $path
							: '';

						$show_upload = true;
					}

				$dir_upload = '/' . UPLOAD_DIR . '/' . ((!empty($path_upload))
					? $path_upload . '/'
					: '');

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

				$AVE_Template->assign('max_files', $AVE_Template->get_config_vars('max_f_f') . $iniset_count);
				$AVE_Template->assign('dir_upload', $AVE_Template->get_config_vars('upl_dir') . $dir_upload);
				$AVE_Template->assign('show_upload', $show_upload);

				$AVE_Template->assign('field_dir', $fld_name);
				$AVE_Template->assign('images', $image_items);
				$AVE_Template->assign('field_id', $field_id);
				$AVE_Template->assign('doc_id', (isset($_REQUEST['Id']) ? (int)$_REQUEST['Id'] : 0));
				return $AVE_Template->fetch($tpl_file);
				break;

			case 'doc':

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

				$res = array();

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

						if ($image_item)
						{
							if ($tpl_empty)
							{
								$image_item = $field_param;
							}
							else
								{
									$image_item = preg_replace_callback(
										'/\[tag:parametr:(\d+)\]/i',
										function($data) use($field_param)
										{
											return $field_param[(int)$data[1]];
										},
										$tpl
									);

									$image_item = preg_replace_callback(
										'/\[tag:watermark:(.+?):([a-zA-Z]+):([0-9]+)\]/',
										create_function(
											'$m',
											'return watermarks(\'$m[1]\', \'$m[2]\', $m[3]);'
										),
										$image_item
									);

									$image_item = preg_replace_callback('/\[tag:([r|c|f|t|s]\d+x\d+r*):(.+?)]/', 'callback_make_thumbnail', $image_item);
								}
						}

						$res[] = $image_item;
					}
				}

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

				if ($tpl_empty && $tpl_file)
				{
					$AVE_Template->assign('field_id', $field_id);
					$AVE_Template->assign('field_value', $res);
					$AVE_Template->assign('field_count', count($res));
					$AVE_Template->assign('rubric_id', $rubric_id);
					$AVE_Template->assign('default', $default);

					return $AVE_Template->fetch($tpl_file);
				}

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

				break;

			case 'req':
				$items = unserialize($field_value);

				$res = array();

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

						if ($image_item)
						{
							if ($tpl_empty)
							{
								$image_item = $field_param;
							}
							else
								{
									$image_item = preg_replace_callback(
										'/\[tag:parametr:(\d+)\]/i',
										function($data) use($field_param)
										{
											return $field_param[(int)$data[1]];
										},
										$tpl
									);

									$image_item = preg_replace_callback(
										'/\[tag:watermark:(.+?):([a-zA-Z]+):([0-9]+)\]/',
										create_function(
											'$m',
											'return watermarks(\'$m[1]\', \'$m[2]\', $m[3]);'
										),
										$image_item
									);

									$image_item = preg_replace_callback('/\[tag:([r|c|f]\d+x\d+r*):(.+?)]/', 'callback_make_thumbnail', $image_item);
								}
						}

						$res[] = $image_item;
					}
				}

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

				if ($tpl_empty && $tpl_file)
				{
					$AVE_Template->assign('field_id', $field_id);
					$AVE_Template->assign('field_value', $res);
					$AVE_Template->assign('field_count', count($res));
					$AVE_Template->assign('rubric_id', $rubric_id);
					$AVE_Template->assign('default', $default);

					return $AVE_Template->fetch($tpl_file);
				}

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

				break;

			case 'save':
				foreach ($field_value as $v)
				{
					if (! empty($v['url']))
					{
						$field_value_new[] = $v['url'] . ($v['descr'] ? '|' . $v['descr'] : '');
					}
				}

				if (isset($field_value_new))
				{
					return @serialize($field_value_new);
				}
				else
					{
						return $field_value_new = '';
					}

				break;

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

			case 'upload':
				$error = false;

				$search = array();
				$replace = array();

				$files_unput = 'cascade_files'.'_'.$_REQUEST['field_id'].'_'.$_REQUEST['doc_id'];

				$search[] = '%d';
				$replace[] = date('d');
				$search[] = '%m';
				$replace[] = date('m');
				$search[] = '%Y';
				$replace[] = date('Y');

				$default = explode('|', $default);

				list($path_upload, $watermark, $position, $transparency) = $default;

				if (! empty($path_upload))
					$path_upload = str_replace($search, $replace, $path_upload);

				if(preg_match("/%id/i", $path_upload))
				{
					$path = trim(@str_replace('%id', $_REQUEST['doc_id'], $path_upload), '/');
				}
				else
					{
						$path = (! empty($path_upload))
							? $path_upload
							: '';
					}

				function getExtension($file)
				{
					$file = pathinfo($file);
					return $file['extension'];
				}

				$valid_formats = array("jpg", "png", "gif", "bmp","jpeg");

				$dir = '/' . UPLOAD_DIR . '/' . ((! empty($path))
					? trim($path, '/') . '/'
					: '');

				$dir_abs = BASE_DIR . $dir;

				if (! is_dir($dir_abs))
					@mkdir($dir_abs, 0777, true);

				foreach ($_FILES[$files_unput]['name'] as $name => $value)
				{
					$filename = strtolower(stripslashes(prepare_url($_FILES[$files_unput]['name'][$name])));

					$ext = getExtension($filename);
					$ext = strtolower($ext);

					if(in_array($ext, $valid_formats))
					{
						if (file_exists($dir_abs . $filename))
						{
							$filename = rand(1000, 9999) . '_' . $filename;
						}

						if (@move_uploaded_file($_FILES[$files_unput]['tmp_name'][$name], $dir_abs . $filename))
						{
							$new_files[] = $filename;
							$error = false;

							if ((bool)$watermark)
							{
								$position = ($position != '') ? $position : 'center';
								$transparency = ($transparency != '') ? $transparency : '100';

								watermarks($dir . $filename, $position, $transparency);
							}
						}
						else
							{
								$error = true;
							}
					}
					else
						{
							$error = true;
							@unlink($_FILES[$files_unput]['tmp_name'][$name]);
						}
				}

				if ($error !== true)
				{
					echo json_encode(array(
						'files' => $new_files,
						'dir' => $dir,
						'respons' => 'succes',
						'message' => $AVE_Template->get_config_vars('resp_s_m'),
						'header' => $AVE_Template->get_config_vars('resp_s_h'),
						'theme' => 'accept'
						)
					);
				}
				else
					{
						echo json_encode(array(
							'respons' => 'error',
							'message' => $AVE_Template->get_config_vars('resp_e_m'),
							'header' => $AVE_Template->get_config_vars('resp_e_h'),
							'theme' => 'error'
							)
						);
					}

				exit;
		}

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