/*
 * Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license
 * Click nbfs://nbhost/SystemFileSystem/Templates/Classes/Class.java to edit this template
 */
package mp1_fx_calebfontenot;

import java.text.NumberFormat;
import java.util.Locale;
import javafx.application.Application;
import javafx.geometry.Pos;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.control.Label;
import javafx.scene.control.TextField;
import javafx.scene.layout.GridPane;
import javafx.stage.Stage;

/**
 *
 * @author caleb
 */
public class Investment extends Application {

    @Override
    public void start(Stage primaryStage) throws Exception {
        GridPane gPane = new GridPane();
        gPane.setAlignment(Pos.CENTER);
        gPane.add(new Label("Investment Amount"), 0, 0);
        TextField investmentAmount = new TextField();
        gPane.add(investmentAmount, 1, 0);
        
        gPane.add(new Label("Number of Years: "), 0, 1);
        TextField numOfYears = new TextField();
        gPane.add(numOfYears, 1, 1);
        
        gPane.add(new Label("Annual Interest Rate:"), 0, 2);
        TextField annualInterestRate = new TextField();
        gPane.add(annualInterestRate, 1, 2);
        
        gPane.add(new Label("Future value:"), 0, 3);
        TextField futureValue = new TextField();
        gPane.add(futureValue, 1, 3);
        
        Button calculateButton = new Button("Calculate");
        gPane.add(calculateButton, 1, 4);
        calculateButton.alignmentProperty().set(Pos.CENTER_RIGHT);
        
        calculateButton.setOnAction(e -> {
            double investment = Double.parseDouble(investmentAmount.getText());
            double rate = Double.parseDouble(annualInterestRate.getText()) / 100.0;
            double years = Double.parseDouble(numOfYears.getText());
            double output = investment * Math.pow(1 + rate / 12, 12 * years);
            // Round off
           // double scale = Math.pow(10, 2);
            //output = Math.round(output * scale) / scale;
            NumberFormat nf = NumberFormat.getCurrencyInstance(Locale.US);
            futureValue.setText(nf.format(output));
            System.out.println(output + ", " + nf.format(output));
        });
        Scene scene = new Scene(gPane);
        primaryStage.setTitle("ROI Calculator");
        primaryStage.setScene(scene);
        primaryStage.show();
    }
    public static void main(String[] args) {
        launch(args);
    }
}