package application.customviews;

import java.io.File;
import java.net.MalformedURLException;

import application.UICoordinator;
import application.helpers.Utils;
import application.res.Text;
import javafx.application.HostServices;
import javafx.event.EventHandler;
import javafx.geometry.Point2D;
import javafx.scene.control.Label;
import javafx.scene.control.Tooltip;
import javafx.scene.image.Image;
import javafx.scene.image.ImageView;
import javafx.scene.input.MouseEvent;
import javafx.scene.layout.HBox;

public class FileView extends HBox
{
	/**
	 * Set height of all FileViews
	 */
	private static final int HEIGHT = 62;
	/**
	 * Set width of all FileViews
	 */
	public static final int WIDTH = 300;
	/**
	 * Set border width of all FileViews
	 */
	public static final double BORDER_WIDTH = Utils.darkGreyBorderBR.getInsets().getBottom();
	/**
	 * Set height of the icon of all FileViews
	 */
	private static final int PIC_HEIGHT = HEIGHT - 5;

	/**
	 * Initializes the view and sets up the clickHandler
	 * @param file File which will be represented with this view
	 * @param desc The user readable name of the file to be displayed to the user.
	 * @param hs The hostServices needed to open the document in host application.
	 */
	public FileView(File file, String desc, HostServices hs)
	{
		this.setMaxHeight(HEIGHT);
		this.setMinHeight(HEIGHT);
		this.setMaxWidth(WIDTH);
		this.setMinWidth(WIDTH);
		ImageView image;
		this.setBorder(Utils.darkGreyBorderBR);

		if (file.getName().endsWith(".csv"))
		{
			image = new ImageView(new Image(UICoordinator.class.getResourceAsStream("csv-grey.png")));
		} else
		{
			Image i = new Image(UICoordinator.class.getResourceAsStream("txt-grey.png"));
			image = new ImageView(i);
		}
		image.setFitWidth(PIC_HEIGHT);
		image.setFitHeight(PIC_HEIGHT);
		Label name = new Label(desc);
		name.setMinHeight(HEIGHT);
		name.setMaxHeight(HEIGHT);

		this.getChildren().add(image);
		this.getChildren().add(name);

		setOnMouseClicked(new EventHandler<MouseEvent>()
		{ // Click on the fileView should open the file in a system native application.
			// Otherwise a tooltip will appear to inform the user about failing to open the
			// file.
			@Override
			public void handle(MouseEvent event)
			{
				try
				{
					hs.showDocument(file.toURI().toURL().toExternalForm());
					name.setTooltip(null);

				} catch (MalformedURLException e)
				{
					Point2D p = name.localToScreen(name.getLayoutBounds().getCenterX(),
							name.getLayoutBounds().getCenterY());
					Tooltip t = new Tooltip(Text.NO_OPENING_FILES);
					name.setTooltip(t);
					t.show(name, p.getX(), p.getY());
					t.autoHideProperty().set(true);
				}
			}
		});
	}
}