package seng302;

import javafx.application.Application;
import javafx.fxml.FXMLLoader;
import javafx.scene.Parent;
import javafx.scene.Scene;
import javafx.scene.layout.BorderPane;
import javafx.stage.Stage;
import seng302.Controllers.Controller;
import seng302.Controllers.MainController;

import java.io.InputStream;

public class App extends Application {
    Stage primaryStage;
    BorderPane mainContainer;
    Scene mainScene;

    /**
     * Entry point for running the programme
     *
     * @param args for starting the programme
     */
    public static void main(String[] args) {
        launch(args);
    }

    /**
     * Loads and sets up the GUI elements
     *
     * @param primaryStage Base for all scenes
     * @throws Exception Error in initialising programme
     */
    @Override
    public void start(Stage primaryStage) throws Exception {
        this.primaryStage = primaryStage;
        primaryStage.minHeightProperty().setValue(600);
        primaryStage.minWidthProperty().setValue(780);
        //load the first container
        try {
            FXMLLoader loader = new FXMLLoader();
            InputStream in = getClass().getClassLoader().getResourceAsStream("scenes/mainpane.fxml");
            mainContainer = (BorderPane) loader.load(in);
            mainScene = new Scene(mainContainer, 1200, 800);
            primaryStage.setScene(mainScene);
            primaryStage.sizeToScene();
            MainController mainController = (MainController) loader.getController();
            mainController.setParent(this);
            in.close();
            //add the center
            loadPane("racepane.fxml");
        } catch (Exception e) {
            e.printStackTrace();
        }
        primaryStage.show();
    }

    /**
     * Loads panes for use in the GUI
     *
     * @param fxmlName name of resource fxml file
     * @throws Exception critical error in loading file
     */
    public void loadPane(String fxmlName) throws Exception {
        FXMLLoader loader = new FXMLLoader();
        InputStream in = getClass().getClassLoader().getResourceAsStream("scenes/" + fxmlName);
        Parent page;
        try {
            page = (Parent) loader.load(in);
        } finally {
            in.close();
        }
        mainContainer.getChildren().remove(mainContainer.getCenter());
        mainContainer.setCenter(page);
        Controller controller = (Controller) loader.getController();
        controller.setParent(this);
    }
}