<?
include("lib/lib.template.inc");
$id = ($_GET['id'] != '')? $_GET['id'] : 1; // the id that was picked
$view = ($_GET['view'] == '1' || $_GET['view'] == '')? 1:2;
$field_id = 'ID'; //the name of the ID field of this row

//get the data
$filename = "data/data.txt"; 
$contents = file_get_contents ("$filename");
$delim_line = "\n"; 
$delim_field = "\t";
$contents = preg_replace("/\r\n/","\n",$contents); 
$splitcontents = explode($delim_line, $contents);
$template = array();
//loop through the data and find the prev/current/and next rows
foreach ($splitcontents as $row => $value) {
	$data = array();
	if ($value == "") { continue; }
	$value = rtrim($value);
	if ($row == 0)  {
		$headers = explode($delim_field,$value);
	}
	else {
		$fields = explode($delim_field,$value);
		//break up the data
		foreach ($headers as $k => $v) {
			$fields[$k] = trim($fields[$k],'"');
			$fields[$k] = str_replace("\"\"", "\"", $fields[$k]);
			$data[$v] = $fields[$k];
		} 
		if ($data[$field_id] == $id) {
			$template['current'] = $data;
			continue;
		}
		if ($template['current'] == ""){
			$template['prev'] = $data;
		}
		elseif($template['current'] != "") {
			$template['next'] = $data;
			break;
		}
	}
}

//set the current image
$template['current']['image'] = $template['current']["IMAGE_{$view}"];

//deal with 2nd image -- if it's not there, then go to next
if ($view == 1 && trim($template['current']['IMAGE_2']) != '') {
	$template['next'] = $template['current'];
	$nextView = 2;	
}
else
	$nextView = 1;
//deal with first image
if ($view == 1 && trim($template['prev']['IMAGE_2']) != '') {
	$prevView = 2;
}
elseif ($view == 2) {
	$template['prev'] = $template['current'];	
	$prevView = 1;	
}
else
	$prevView = 1;	


//create the new links
if ($template['next'] == '')
	$template['current']['nextLink'] = "products.php";
else
	$template['current']['nextLink'] = "?id={$template['next'][$field_id]}&view={$nextView}";

if ($template['prev'] == '')
	$template['current']['prevLink'] = "products.php";
else
	$template['current']['prevLink'] = "?id={$template['prev'][$field_id]}&view={$prevView}";

  //simple field replacment from the array
  $t = new Template(".", "remove");
  $t->set_file(array("page" => "products.tpl.htm"));
  $t->set_var($template['current']);
  $t->parse("OUT","page");
  $t->p("OUT");


?>