/* TODO: Add ability to ping server with error information. Should not use Ajax service, should call 
	something like an image, and append the info to be logged to the query string at the end of the URL.
*/

function Debug()
{
}

Debug.error = function(err)
{
	var pageURL = window.location.href;
	
	var filterError = Debug.filterError(pageURL, err.message, err.fileName, err.lineNumber);
	if (filterError == false)
	{
		if (document.forms[0])
		{
			if (document.forms[0].showJSErrors)
			{
				if (document.forms[0].showJSErrors.value.toLowerCase() == "true")
				{
					// Only show JS errors if the <add key="showJSErrors" value="true" /> value is set in the web.config file.
					alert("Intercepted error\nname: " + err.name +
							"\nmessage: " + err.message +
							"\nfile: " + err.fileName +
							"\nline: " + err.lineNumber + 
							"\n\nNote that this a message from the debugging framework. These debug messages will be disabled in production and will instead be silently logged to the server.");
				}
			}
		}

		// Don't try to log the error to the server unless the JS code to do it will actually run
		if (typeof(ErrorVO) != "undefined" && typeof(ServiceLocator) != "undefined" && typeof(ErrorLogService) != "undefined")
		{
			// If the error log service hasn't started up, then force it
			if (ServiceLocator.getInstance().getService("errorLogService") == null)
			{
				ServiceLocator.getInstance().registerService("errorLogService", new ErrorLogService());
			}
			
			var errDetails = new ErrorVO();
			errDetails.errorMessage = err.name;
			errDetails.errorDetail = "\nreferrer URL: " + pageURL + "\nfileName: " + err.fileName + "\nlineNumber: " + err.lineNumber + "\ndetail:\n" + err.message;
			if (ServiceLocator.getInstance().getService("errorLogService"))
			{
				ServiceLocator.getInstance().getService("errorLogService").logError(errDetails);
			}
		}
	}
};

Debug.windowTrace = function(message)
{
	if (document.getElementById("debug") == null)
	{
		var debugDiv = document.createElement("div");
		debugDiv.setAttribute("id", "debug");
		document.body.appendChild(debugDiv);
	}
	document.getElementById("debug").innerHTML += message + "<br \>";
}

Debug.getCurrentTime = function()
{
	var tempDate = new Date();
	return tempDate.getTime();
}

Debug.filterError = function(pageURL, message, URL, line)
{
	var lowerPageURL = pageURL.toLowerCase();
	var lowerMessage = message.toLowerCase();
	var lowerURL = URL.toLowerCase();

	// Ignore errors coming from Flash Player external interface bug
	if (lowerMessage.indexOf("mainflash") >= 0)
	{
		return true;
	}

	if (lowerMessage.indexOf("syntax error") >= 0 && line == 1 && lowerPageURL.indexOf("/item.aspx"))
	{
		return true;
	}
	return false;
}

window.onerror = function(message, URL, line)
{
	var pageURL = window.location.href;
	
	var filterError = Debug.filterError(pageURL, message, URL, line);
	if (filterError == true)
	{
		return true;
	}
		
	if (document.forms[0])
	{
		if (document.forms[0].showJSErrors)
		{
			if (document.forms[0].showJSErrors.value.toLowerCase() == "true")
			{
				// Only show JS errors if the <add key="showJSErrors" value="true" /> value is set in the web.config file.
				alert("Intercepted error\nsource URL: " + pageURL +
					"\nmessage: " + message + 
					"\nfile: " + URL + 
					"\nline: " + line +
					"\n\nNote that this a message from the debugging framework. These debug messages will be disabled in production and will instead be silently logged to the server.");
			}
		}
	}

	// Don't try to log the error to the server unless the JS code to do it will actually run
	if (typeof(ErrorVO) != "undefined" && typeof(ServiceLocator) != "undefined" && typeof(ErrorLogService) != "undefined")
	{
		// If the error log service hasn't started up, then force it
		if (ServiceLocator.getInstance().getService("errorLogService") == null)
		{
			ServiceLocator.getInstance().registerService("errorLogService", new ErrorLogService());
		}
		
		var errDetails = new ErrorVO();
		errDetails.errorMessage = "Intercepted error: " + message;
		errDetails.errorDetail = "\nreferrer URL: " + pageURL + "\nfileName: " + URL + "\nlineNumber: " + line + "\ndetail:\n" + message;
		if (ServiceLocator.getInstance().getService("errorLogService"))
		{
			ServiceLocator.getInstance().getService("errorLogService").logError(errDetails);
		}
	}

	return true;
};