package gui;

import java.util.ArrayList;

import javafx.application.Application;
import javafx.geometry.Insets;
import javafx.scene.Scene;
import javafx.scene.control.Alert;
import javafx.scene.control.Button;
import javafx.scene.control.Label;
import javafx.scene.control.ListView;
import javafx.scene.control.Alert.AlertType;
import javafx.scene.layout.GridPane;
import javafx.stage.Stage;
import kas2.Deltager;

public class GUI extends Application {
	public static void main(String[] args) {
		Application.launch(args);
	}

	public void start(Stage stage) {
		stage.setTitle("Opret deltager");
		GridPane pane = new GridPane();
		this.initContent(pane);
		Scene scene = new Scene(pane);
		stage.setScene(scene);
		stage.show();

		deltagerWindow = new DeltagerWindow("Tilmeld en deltager på en konference", stage);

	}

	// -------------------------------------------------------------------------

	private ListView<Deltager> lvwDeltagere = new ListView<>();
	private static final ArrayList<Deltager> deltagere = new ArrayList<Deltager>();

	private Button btnAddDeltager;

	private Button btnDeleteDeltager;


	private DeltagerWindow deltagerWindow;

	private void initContent(GridPane pane) {
		pane.setGridLinesVisible(false);
		pane.setPadding(new Insets(20));
		pane.setHgap(10);
		pane.setVgap(10);

		Label lblDeltagere = new Label("Deltagere:");
		pane.add(lblDeltagere, 0, 2);

		pane.add(lvwDeltagere, 1, 2, 1, 5);
		lvwDeltagere.setPrefWidth(200);
		lvwDeltagere.setPrefHeight(350);
		lvwDeltagere.getItems().setAll(deltagere);

		btnAddDeltager = new Button("Tilføj deltager");
		pane.add(btnAddDeltager, 2, 2, 1, 1);
		btnAddDeltager.setOnAction(Event -> this.createDeltagerAction());

		btnDeleteDeltager = new Button("Slet deltager");
		pane.add(btnDeleteDeltager, 2, 5, 1, 1);
		btnDeleteDeltager.setOnAction(Event -> this.deleteDeltagerAction());


	}

	private void createDeltagerAction() {
		deltagerWindow.showAndWait();
		Deltager deltager = deltagerWindow.getActualDeltager();
		if (deltager != null) {
			deltagere.add(deltager);
			lvwDeltagere.getItems().setAll(deltagere);
		}
//		deltagerWindow.resetActualDeltager();
	}

	private void deleteDeltagerAction() {
        int index = lvwDeltagere.getSelectionModel().getSelectedIndex();
        if (index >= 0) {
        	deltagere.remove(index);
        	lvwDeltagere.getItems().setAll(deltagere);
        } else {
            Alert alert = new Alert(AlertType.INFORMATION);
            alert.setTitle("Slet deltager");
            alert.setHeaderText("Du har ikke valgt en deltager at slette");
            alert.setContentText("Venligst vælg en deltager for at kunne slette");
            alert.show();

        }
    }
}