// ----------------------------------------------
// File:		ErrorLogService.js
// Author:		Nathan Derksen
// Description:	A class that holds the available service methods, along with response handlers.
// ----------------------------------------------


// ----------------------------------------------
// Function:	ErrorLogService
// Author:		Nathan Derksen
// Description:	Base class
// Inputs:		<none>
// Returns:		<nothing>
// ----------------------------------------------
function ErrorLogService()
{
}

var errorLogService_lastError;

// ----------------------------------------------
// Function:	ErrorLogService.logError
// Author:		Nathan Derksen
// Description:	Sends error details to the server
// Inputs:		<Object> searchCriteria - An object of properties to search on
//				<Number> startIndex - The zero-based index of which row to start at in the total results
//				<Number> maxResults - The maximum number of results to return
// Returns:		<nothing>
// ----------------------------------------------
ErrorLogService.prototype.logError = function(errorData)
{
	if (errorLogService_isLoggingEnabled() == true)
	{
		try
		{
			if (isAjaxEnabled() == true)
			{
				errorLogService_lastError = errorData;
				PageMethods.AddToErrorLog(
					errorData.errorMessage,
					errorData.errorDetail,
					errorData.priority,
					errorData.errorType,
					errorData.applicationName,
					errorData.moduleName,
					errorData.procName, 
					this.onResult, this.onError);
			}
			else
			{
				// Use image shim technique to log error instead
				errorLogService_logErrorNoAjax(
					errorData.errorMessage, 
					errorData.errorDetail, 
					errorData.priority, 
					errorData.errorType, 
					errorData.applicationName, 
					errorData.moduleName, 
					errorData.procName);
			}
		}
		catch (err)
		{
			errorLogService_logErrorNoAjax(
				errorData.errorMessage, 
				errorData.errorDetail, 
				errorData.priority, 
				errorData.errorType, 
				errorData.applicationName, 
				errorData.moduleName, 
				errorData.procName);
		}
	}
};

// ----------------------------------------------
// Function:	ErrorLogService.onResult
// Author:		Nathan Derksen
// Description:	Callback from the successful completion of the service call
// Inputs:		<XMLElement> result - Handle to the results xml object
// Returns:		<nothing>
// ----------------------------------------------
ErrorLogService.prototype.onResult = function(result)
{
};

// ----------------------------------------------
// Function:	ErrorLogService.onError
// Author:		Nathan Derksen
// Description:	Callback from the unsuccessful completion of the service call
// Inputs:		<XMLElement> result - Handle to the results xml object
// Returns:		<nothing>
// ----------------------------------------------
ErrorLogService.prototype.onError = function(result)
{
	var err = errorLogService_lastError;
	errorLogService_logErrorNoAjax(err.errorMessage, 
		err.errorDetail, 
		err.priority, 
		err.errorType, 
		err.applicationName, 
		err.moduleName, 
		err.procName);
};

// ----------------------------------------------
// ----------------------------------------------
function errorLogService_logErrorNoAjax(errorMessage, errorDetail, priority, errorType, applicationName, moduleName, procName)
{
	errorMessage = "errMsg=" + escape(errorMessage);
	priority = "&priority=" + escape(priority);
	errorType = "&errorType=" + escape(errorType);
	applicationName = "&appName=" + escape(applicationName);
	moduleName = "&modName=" + escape(moduleName);
	procName = "&procName=" + escape(procName);
	errorDetail = "&errDtl=" + escape(errorDetail);
	
	var imageShim = document.createElement("img");
	imageShim.setAttribute("src", "/Common/Errors/AJAXErrorInterface.aspx?" + errorMessage + priority + errorType + applicationName + moduleName + procName + errorDetail);
	imageShim.style.display = "none";
	document.body.appendChild(imageShim);
};

function errorLogService_isLoggingEnabled()
{
	if (document.forms[0])
	{
		if (document.forms[0].LogClientSideErrors)
		{
			if (document.forms[0].LogClientSideErrors.value.toLowerCase() == "true")
			{
				return true;
			}
		}
	}
	return false;
}