package com.berechnen;

import java.util.*;

public class Rechner  {

    public static void main(String[] args) {

    Scanner input = new Scanner(System.in);
    System.out.println("1 = Masse gesucht\n2 = Abstimmfrequenz gesucht\n3 = Volumen(L) gesucht\n4 = Gehäuse-Volumen\n");

    switch (input.next()) {
        case "1" :
                System.out.print("diameter passive radiator: ");
                double diameter = input.nextDouble();
                System.out.print("FS(Hz): ");
                double FS = input.nextDouble();
                System.out.print("V(L): ");
                double volume = input.nextDouble();
                System.out.print("drivers: ");
                double driver = input.nextDouble();

                double hz = FS * FS;
                double sd = (Math.PI * (diameter * diameter) / 4) * (Math.PI * (diameter * diameter) / 4);

                double product = sd / (hz * volume) / driver;

                System.out.printf("Benötigte Masse: %f kg\n", product);
            break;
        case "2" :
                System.out.print("diameter passive radiator: ");
                double diameter2 = input.nextDouble();

                System.out.print("Membran-Dicke(cm): ");
                double height2 = input.nextDouble();
                System.out.print("V(L): ");
                double volume2 = input.nextDouble();
                System.out.print("drivers: ");
                double driver2 = input.nextDouble();

                double material2 = 7.85;
                double sd2 = (Math.PI * (diameter2 * diameter2) / 4) * (Math.PI * (diameter2 * diameter2) / 4);
                double mass2 = ((Math.PI * (diameter2 * diameter2) / 4 * height2) / 1000) * material2;
                double product2 = Math.sqrt(sd2 / (mass2 * volume2) / driver2);

                System.out.printf("Abstimmfrequenz(Hz): %f Hz\n", product2);
                System.out.printf("Masse: " + mass2 + " kg!\n");
                System.out.printf("Flächeninhalt: " + Math.sqrt(sd2) + " cm²!\n");
            break;
        case "3" :
                System.out.print("diameter passive radiator: ");
                double diameter3 = input.nextDouble();
                System.out.print("Membran-Dicke(cm): ");
                double height3 = input.nextDouble();
                System.out.print("FS(Hz): ");
                double FS3 = input.nextDouble();
                System.out.print("drivers: ");
                double driver3 = input.nextDouble();

                double material3 = 7.85;
                double hz3 = FS3 * FS3;
                double mass3 = ((Math.PI * (diameter3 * diameter3) / 4 * height3) / 1000) * material3;
                double sd3 = (Math.PI * (diameter3 * diameter3) / 4) * (Math.PI * (diameter3 * diameter3) / 4);

                double product3 = (Math.sqrt(sd3 / (mass3 * (hz3)) / driver3) * Math.sqrt(sd3 / (mass3 * (hz3)) / driver3));

                System.out.printf("Benötigtes Volumen: %f Liter\n", product3);
                break;
        case "4" :
                System.out.print("Breite: ");
                double breite = input.nextDouble();
                System.out.print("Tiefe: ");
                double tiefe = input.nextDouble();
                System.out.print("Höhe: ");
                double height = input.nextDouble();
                System.out.print("Preis: ");
                double preisalt = input.nextDouble();
                System.out.print("Holz-Dicke: ");
                double dicke = input.nextDouble();

                double breite2 = breite - dicke - dicke;
                double tiefe2 = tiefe - dicke - dicke;
                double height22 = height - dicke - dicke;

                double product22 = (breite2 * tiefe2 * height22) / 1000 ;
                System.out.printf("Volumen vom Gehäuse: %f Liter\n\n", product22);

               System.out.println("Seiten: " +   height + " x " + tiefe);

                System.out.println("Boden/Deckel: " + tiefe + " x " + breite2);

                System.out.println("Front/Rücken: " + height22 + " x " + breite2 + "\n");
                double preis = (((height * tiefe) / 10000) + ((tiefe * breite2) / 10000)+ ((height22 * breite2) / 10000)) * 2;

                double preis1 = (preisalt * preis);
                double preis3 = (((height * tiefe) / 10000) + ((tiefe * breite2) / 10000) + ((height22 * breite2) / 10000)) * 2;
                System.out.println("Quadratmeter: " + preis3 + "\n");
                System.out.printf("Preis für das Holz: %f €", preis1);
        break;
        default: System.out.print("Bitte starten sie das Programm neu und geben sie eine gültige Zahl ein!");

        }
    }
}