<?php
namespace Bitrix\Main\Diag;

class Debug
{
	protected static $timeLabels = array();

	public static function startTimeLabel($name)
	{
		if (!isset(static::$timeLabels[$name]))
			static::$timeLabels[$name] = array();
		static::$timeLabels[$name]['start'] = microtime(true);
	}

	public static function endTimeLabel($name)
	{
		if (!isset(static::$timeLabels[$name]))
			static::$timeLabels[$name] = array();
		static::$timeLabels[$name]['time'] += microtime(true) - static::$timeLabels[$name]['start'];
	}

	public static function getTimeLabels()
	{
		return static::$timeLabels;
	}

	public static function dump($var, $varName = "", $return = false)
	{
		if ($return)
			ob_start();

		$flComplex = (is_array($var) || is_object($var));

		if ($varName != "")
		{
			echo $varName;

			if ($flComplex)
				echo ":".($return ? "\n" : "<br />");
			else
				echo "=";
		}

		if ($flComplex && !$return)
			echo "<pre>";

		var_dump($var);

		if ($flComplex && !$return)
			echo "</pre>";
		echo ($return ? "\n" : "<br />");

		if ($return)
			return ob_get_clean();

		return null;
	}

	public static function dumpToFile($var, $varName = "", $fileName = "")
	{
		if (empty($fileName))
			$fileName = "__bx_log.log";

		$data = self::dump($var, $varName, true);

		$tempFile = fopen($_SERVER["DOCUMENT_ROOT"]."/".$fileName, "a");
		fwrite($tempFile, $data."\n");
		fclose($tempFile);
	}

	public static function writeToFile($var, $varName = "", $fileName = "")
	{
		if (empty($fileName))
			$fileName = "__bx_log.log";

		$data = "";
		if ($varName != "")
			$data .= $varName.":\n";

		if (is_array($var))
			$data .= print_r($var, true)."\n";
		else
			$data .= $var."\n";

		$tempFile = fopen($_SERVER["DOCUMENT_ROOT"]."/".$fileName, "a");
		fwrite($tempFile, $data."\n");
		fclose($tempFile);
	}
}