package application.helpers;

import application.helpers.wrappers.WrappedException;
import javafx.application.Platform;

/**
 * This thread is used to enable working in the background while the progress
 * view is displayed
 * 
 * @author Bianca
 *
 */
public class WorkWhileProgressThread extends Thread
{
	/**
	 * The callback used to change the view after the work is done
	 */
	private ChangeViewCallback cb;
	/**
	 * There are 2 possible workloads: reading the file for the overview
	 * ({@code True}) or creating the files for being inspected ({@code False})
	 */
	private boolean overview;

	/**
	 * 
	 * @param cb       The callback
	 * @param overView {@code True} if the initial file needs to be read or
	 *                 {@code False} if the files for being inspected need to be
	 *                 created
	 */
	public WorkWhileProgressThread(ChangeViewCallback cb, boolean overView)
	{
		this.cb = cb;
		this.overview = overView;
	}

	@Override
	public void run()
	{
		//read the file
		if (overview)
		{
			try
			{
				this.cb.callFillDataList();
			}
			catch (WrappedException e)
			{
				cb.callErrorReadingFile(e.getReason());
			}
			Platform.runLater(new Runnable()
			{
				@Override
				public void run()
				{
					cb.callOverview();
				}
			});
		}
		else
		{	//create the selected files
			try
			{
				this.cb.callCreateTempFiles();
				Platform.runLater(new Runnable()
				{
					@Override
					public void run()
					{
						cb.callInspect();
					}
				});
			}
			catch (WrappedException e)
			{
				this.cb.callErrorWritingTemFiles(e.getReason());
				Platform.runLater(new Runnable()
				{
					@Override
					public void run()
					{
						cb.callInspectWithError();
					}
				});
			}
		}
	}
}