<?php
/**
 * Fix Elevated X Templates for PHP 7.2
 *
 * This script will go through and attempt to correct for common problems with our templates and PHP 7.2.
 *
 * We HIGHLY recommend you or your host back up your template folders before running this script.
 *
 * PHP version 5.6 to 7.2
 *
 * LICENSE: This source file is subject to the Elevated X license
 * that is available through the world-wide-web at the following URI:
 * https://www.elevatedx.com/terms.php.  If you did not receive a copy of
 * the PHP License and are unable to obtain it through the web, please
 * send a note to sales@elevatedx.com so we can mail you a copy immediately.
 *
 * @category   Tools
 * @package    ElevatedXCMS
 * @copyright  2018 Elevated X, Inc.
 * @license    https://www.elevatedx.com/terms.php
 * @link       https://www.elevatedx.com/
 */

if (sizeof($argv) != "2")
{
	echo "Usage:\n\n";
	echo "php fix_templates_php72.php [FILENAME]\n";
	echo "php fix_templates_php72.php [DIRECTORY]\n";
	echo "\n\n";
	exit;
}

if (!file_exists($argv[1]))
{
	echo "ERROR: " . $argv[1] . " does not exist";
	exit;
}

if (is_dir($argv[1]))
{
	$Directory = new RecursiveDirectoryIterator($argv[1]);
	$Iterator = new RecursiveIteratorIterator($Directory);
	$lst = new RegexIterator($Iterator, '/^.+\.tpl$/i', RecursiveRegexIterator::GET_MATCH);
}
else
{
	$lst = [$argv[1]];
}


foreach
($lst as $l)
{
	$l = (is_array($l)) ? $l[0] : $l;
	echo "\nFile: $l";
	
	if (basename($l) == "tour_tag_list.tpl") continue;

	$tokens = token_get_all( file_get_contents($l) );

	$out = "";

	// These are instances of strings / functions that will get replaced.

	$token_string_replace = [
	"sizeof" => "array_not_empty",
	"count" => "array_not_empty",
	];

	// These are individual strings within the standard templates that will get corrected.

	$string_replace = [
	'$root.page.paginate' => 'true',
	'$root.page_attr[0].mobileswap' => '$mobileswap',
	'$category_selected[\'Title\'] == Tags' => '$category_selected[\'Title\'] == "Tags"',
	'"class" =>category_model_thumb' => '"class" => "category_model_thumb"',
	'"class" => dvd_box' => '"class" => "dvd_box"',
	];


	// tag_list.tpl has different token replacement and string replacement than other files.

	if (basename($l) == "tag_list.tpl")
	{
		$string_replace = [
			'if (!sizeof($count))' => 'if (!$count)',
		];
		
		$token_string_replace = [];
	}


	foreach ($tokens as $token)
	{
		if (is_array($token))
		{
			if (token_name($token[0]) == "T_STRING" && isset($token_string_replace[$token[1]]))
			{
				echo "\n  CHANGE " . $token[1] . " to " . $token_string_replace[$token[1]];
				$out .= $token_string_replace[$token[1]];
			}
			else
			{
				//echo "\n$l Line {$token[2]}: " . token_name($token[0]) . " ({$token[1]})";
				$out .= $token[1];
			}
		}
		else
		{
			// echo "\nNON-ARRAY TOKEN:";
			// var_dump($token);

			$out .= $token;
		}
	}

	foreach
	($string_replace as $string_from => $string_to)
	{
		if (stripos($out, $string_from) !== false)
		{
			$out = str_replace($string_from, $string_to, $out);
			echo "\n  CHANGE " . $string_from . " to " . $string_to;
		}


	}

	if (!file_put_contents($l, $out))
	{
		echo "\nERROR: File $l cannot be written to disk. Please check file permissions";
	}


}

echo "\n\n";
exit;