package Utilities;
import java.io.BufferedWriter;
import java.io.FileWriter;
import java.util.Date;

import com.rational.test.ft.object.interfaces.DocumentTestObject;
import com.rational.test.ft.object.interfaces.GuiTestObject;
import com.rational.test.ft.object.interfaces.TextGuiTestObject;
import com.rational.test.ft.object.interfaces.TopLevelTestObject;
import com.rational.test.ft.vp.ITestDataTable;

import resources.Utilities.PerformanceRatHelper;

/**
 * Performance testing for Rational Functional Tester
 * @author Trish Khoo
 *
 */
public class PerformanceRat extends PerformanceRatHelper
{
	
	/**
	 * perfTest
	 * Measures the amount of time it takes for the browser to finish loading. Use this immediately after
	 * an action that causes the page to begin loading. Writes to a CSV log file. If the file does not exist,
	 * it is created. If the file does exist, the results are appended.
	 * @param currentOperation The operation that is currently being measured for performance
	 */
	public static void perfTest(String currentOperation)
	{
		
		try
		{
			// Number of attempts to check the readyState so far
			int numberOfTries = 1;
			
			// Number of times to check the readyState before giving up
			int numberOfAttemptsToFind = 20;
			
			// Number of time to wait between tries to find an object
			double waitTime = 0.5;
			
			// Time it took to load the page
			double loadTime;
			
			FileWriter filewriter = new FileWriter("C:\\TestLogFiles\\PerformanceTest.csv", true);
			BufferedWriter bufferedWriter = new BufferedWriter(filewriter);
			Date date = new Date();
			
			sleep(waitTime);
			DocumentTestObject browser = new DocumentTestObject(getDocument());
			
			// Loop until readyState can be found

			try
			{
				// Loop until the page is fully loaded 
				while (!browser.getProperty("readyState").toString().equals("complete")  &&
						numberOfTries < numberOfAttemptsToFind) 
				{
					sleep(waitTime);
					numberOfTries++;
				}

			
			loadTime = numberOfTries * waitTime;

			bufferedWriter.write(date.toString() + ", " + currentOperation + ", " + loadTime);
			bufferedWriter.newLine();
			bufferedWriter.close();
			
			} catch(Exception e)
			{
				logInfo("Test " + currentOperation + " failed with exception: " + e.toString());
			}
		} catch(java.io.IOException e) {
			stop();
		}
	}
	
	/**
	 * logInfo
	 * Logs information in the log file without measuring performance.
	 * @param information The information to log.
	 */
	public static void logInfo(String information)
	{
		
		try
		{
			FileWriter filewriter = new FileWriter("C:\\TestLogFiles\\PerformanceTest.csv", true);
			BufferedWriter bufferedWriter = new BufferedWriter(filewriter);
			Date date = new Date();
			
			bufferedWriter.write(date.toString() + ", " + information);
			bufferedWriter.newLine();
			bufferedWriter.close();
			
		} catch(java.io.IOException e) {
			stop();
		}
	}
}