package de.uniluebeck.mi.projmi6;

import de.uniluebeck.mi.projmi6.controller.MainController;
import de.uniluebeck.mi.projmi6.db.DBHandler;
import de.uniluebeck.mi.projmi6.model.Kasse;
import de.uniluebeck.mi.projmi6.model.Mitarbeiter;
import de.uniluebeck.mi.projmi6.model.OpsCode;
import javafx.application.Application;
import javafx.collections.FXCollections;
import javafx.concurrent.Task;
import javafx.fxml.FXMLLoader;
import javafx.geometry.Insets;
import javafx.geometry.Pos;
import javafx.scene.Parent;
import javafx.scene.Scene;
import javafx.scene.control.ProgressIndicator;
import javafx.scene.image.Image;
import javafx.scene.image.ImageView;
import javafx.scene.layout.Background;
import javafx.scene.layout.BackgroundFill;
import javafx.scene.layout.CornerRadii;
import javafx.scene.layout.VBox;
import javafx.scene.paint.Paint;
import javafx.scene.text.Font;
import javafx.scene.text.Text;
import javafx.stage.Stage;
import javafx.stage.StageStyle;


public class Main extends Application {

    /**
     * Cuz building the GUI from FXML is a bit costly,
     * it's done from its own thread.
     */
    private Task<Parent> loadMainWindowTask = new Task<Parent>(){

        @Override
        protected Parent call() throws Exception {

            MainController mainController = new MainController();
            System.out.println("Lade OPS-Codes...");
            mainController.getStammdaten().setOpsCodes(FXCollections.observableArrayList(
                   DBHandler.getAllOpsCodes()
            ));

            System.out.println("Lade ICD-10-Codes...");
            mainController.getStammdaten().setIcd10Codes(FXCollections.observableArrayList(
                    DBHandler.getAllIcd10Codes()
            ));

            System.out.println("Lade Krankenkassen...");
            mainController.getStammdaten().setKassen(FXCollections.observableArrayList(
                DBHandler.getAllKassen()
            ));

            System.out.println("Lade Mitarbeiter...");
            mainController.getStammdaten().setMitarbeiter(FXCollections.observableArrayList(
                    DBHandler.getAllMitarbeiter()
            ));

            System.out.println("Lade Stationen...");
            mainController.getStammdaten().setStationen(FXCollections.observableArrayList(
                    DBHandler.getAllStationen())
            );

            System.out.println("Lade GUI...");
            FXMLLoader fxmlLoader = new FXMLLoader();
            fxmlLoader.setLocation(getClass().getClassLoader().getResource("main.fxml"));
            fxmlLoader.setControllerFactory(mainController.getControllerFactory());

            Parent root = fxmlLoader.load();

            return root;
        }
    };

    /**
     * The applications logo (an owl).
     */
    private Image icon = new Image("icon.png", true);


    @Override
    public void start(Stage primaryStage)  {
        System.out.println(getClass().getClassLoader().getResource("").toExternalForm());

        primaryStage.getIcons().add(icon);

        Stage loadingMessage = createLoadWindow();

        loadMainWindowTask.setOnFailed(event -> {
            loadMainWindowTask.getException().printStackTrace();
            loadingMessage.close();
        });
        loadMainWindowTask.setOnSucceeded(event -> {
            Parent root = loadMainWindowTask.getValue();

            loadingMessage.close();

            primaryStage.setTitle("KIS Gruppe 06");
            primaryStage.setScene(new Scene(root, 1000, 800));
            primaryStage.show();
        });
        Thread thread = new Thread(loadMainWindowTask);
        thread.setDaemon(true);
        thread.start();


    }

    /**
     * Creates a small, undecorated stage for
     * showing a splash-screen to the user.
     *
     * @return the splash screen
     */
    public Stage createLoadWindow(){
        Text kis = new Text("KIS");
        kis.setFont(Font.font(50));

        Text gruppe6 = new Text("Gruppe 06");
        gruppe6.setFont(Font.font(20));

        VBox root = new VBox(gruppe6, new ImageView(icon),  kis);
        root.setSpacing(20);
        root.setAlignment(Pos.CENTER);
        Scene scene = new Scene(root, 400, 400);

        Stage stage = new Stage(StageStyle.UNDECORATED);
        stage.getIcons().add(icon);
        root.setBackground(new Background(new BackgroundFill(Paint.valueOf("#0093D1"), CornerRadii.EMPTY, Insets.EMPTY)));
        stage.setScene(scene);
        stage.show();

        return stage;
    }

    /**
     * Applications entry point.
     *
     * @param args Commandline parameters
     */
    public static void main(String[] args) {
        launch(args);
    }
}