package de.uniluebeck.mi.projmi6;

import ca.uhn.hl7v2.model.v251.message.ADT_A01;
import ca.uhn.hl7v2.model.v251.message.BAR_P05;
import de.uniluebeck.mi.projmi6.controller.MainController;
import de.uniluebeck.mi.projmi6.db.DBHandler;
import de.uniluebeck.mi.projmi6.hapi.HL7Receiver;
import de.uniluebeck.mi.projmi6.hapi.HL7Server;
import javafx.application.Application;
import javafx.beans.property.ReadOnlyStringProperty;
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.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 {

    public static String OPS_IP = "127.0.0.1";
    public static int OPS_PORT = 1112;


    private HL7Server server;

    /**
     * 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();
            updateMessage("Lade OPS-Codes...");
            mainController.getStammdaten().setOpsCodes(FXCollections.observableArrayList(
                    DBHandler.getAllOpsCodes()
            ));

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

            updateMessage("Lade Krankenkassen...");
            mainController.getStammdaten().setKassen(FXCollections.observableArrayList(
                    DBHandler.getAllKassen()
            ));

            updateMessage("Lade Mitarbeiter...");
            mainController.getStammdaten().setMitarbeiter(FXCollections.observableArrayList(
                    DBHandler.getAllMitarbeiter()
            ));

            updateMessage("Lade Stationen...");
            mainController.getStammdaten().setStationen(FXCollections.observableArrayList(
                    DBHandler.getAllStationen())
            );

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

            Parent root = fxmlLoader.load();

            server = new HL7Server();
            server.registerApplication("ADT", "A01", new HL7Receiver<>(ADT_A01.class, mainController)); // ADT_A01 parsen
            server.registerApplication("BAR", "P05", new HL7Receiver<>(BAR_P05.class, mainController)); // BAR_P05 parsen
            server.start();

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

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

    @Override
    public void stop() throws Exception {
        if (server != null) {
            server.stop();
            server.shutdown();
        }
        super.stop();
    }

    @Override
    public void start(Stage primaryStage) {
        // TODO: Jojo kann das weg?
        // System.out.println(getClass().getClassLoader().getResource("").toExternalForm());

        primaryStage.getIcons().add(icon);

        Stage loadingMessage = createLoadWindow(loadMainWindowTask.messageProperty());

        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, 1200, 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(ReadOnlyStringProperty progressMessage) {
        Text kis = new Text("KIS");
        kis.setFont(Font.font(50));

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

        Text progress = new Text();
        progress.textProperty().bind(progressMessage);

        VBox root = new VBox(gruppe6, new ImageView(icon), kis, progress);
        root.setSpacing(20);
        root.setAlignment(Pos.CENTER);
        Scene scene = new Scene(root, 400, 500);

        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;
    }
}