#include <Wire.h>
#include <LiquidCrystal_I2C.h>

LiquidCrystal_I2C lcd(0x27, 20, 4);

int upButton = 12;
int downButton = 10;
int selectButton = 11;
int leftB = 13;
int rightB = 9;
int menu = 1;
int menu1 = 1;
int PlayB = 7;
int PlayB2 = 8;
int RightB2 = 6;
int LeftB2 =5;
int menu2 = 1;
int countUp =1;
int menu3 =1;
int menu4 =1;




void setup() {
lcd.init();
lcd.backlight();
Serial.begin(9600); // Verwende die serielle Schnittstelle, um die Nummer auszugeben
pinMode(upButton, INPUT_PULLUP);
pinMode(downButton, INPUT_PULLUP);
pinMode(selectButton, INPUT_PULLUP);
pinMode(rightB, INPUT_PULLUP);
pinMode(leftB,INPUT_PULLUP);
pinMode(PlayB, INPUT_PULLUP);
pinMode(PlayB2, OUTPUT);
pinMode(RightB2, OUTPUT);
pinMode(LeftB2, OUTPUT);
updatemenu4();
updatemenu3();
updatemenu2();
updatemenu1();
updatemenu();
int countUp(); 
}



void updatemenu() {
switch (menu) {
  case 0:
    menu = 1;
    break;
  case 1:
    lcd.clear();
    lcd.print("     MODELBORD");
    lcd.setCursor(0, 1);
    lcd.print("    ->Tiger1<-");
    lcd.setCursor(0,2);
    lcd.print("Sounds durch drucken ");
    lcd.setCursor(0,3);
    lcd.print(" von Enter anzeigen");
    break;
  case 2:
    lcd.clear();
    lcd.print("     MODELBORD");
    lcd.setCursor(0, 1);
    lcd.print("->Stuka/Junkers87<-");
    lcd.setCursor(0,2);
    lcd.print("Sounds durch drucken ");
    lcd.setCursor(0,3);
    lcd.print(" von Enter anzeigen");
    break;
  case 3:
    lcd.clear();
    lcd.print("     MODELBORD");
    lcd.setCursor(0, 1);
    lcd.print("   ->SDKFZ/251<-");
    lcd.setCursor(0,2);
    lcd.print("Sounds durch drucken ");
    lcd.setCursor(0,3);
    lcd.print(" von Enter anzeigen");
    break;
  case 4:
    lcd.clear();
    lcd.print("     MODELBORD");
    lcd.setCursor(0, 1);
    lcd.print("  ->FLAK36/PaK<-");
    lcd.setCursor(0,2);
    lcd.print("Sounds durch drucken ");
    lcd.setCursor(0,3);
    lcd.print(" von Enter anzeigen");
    break;
  case 5:
    menu = 4;
    break;
}
}





void updatemenu1(){
switch (menu1) {
  case 0:
  menu1 = 1;
  break;
  
   case 1:
    lcd.clear();
    lcd.print(" ->Motor" );
    lcd.setCursor(0, 1);
    lcd.print("   Geschuetz");
    lcd.setCursor(0,2);
    lcd.print("   Turm");
    lcd.setCursor(0,3);
    lcd.print("   MG");
    break;
  case 2:
    lcd.clear();
    lcd.print("   Motor" );
    lcd.setCursor(0, 1);
    lcd.print(" ->Geschuetz");
    lcd.setCursor(0,2);
    lcd.print("   Turm");
    lcd.setCursor(0,3);
    lcd.print("   MG");;
    break;
  case 3:
    lcd.clear();
    lcd.print("   Motor" );
    lcd.setCursor(0, 1);
    lcd.print("   Geschuetz");
    lcd.setCursor(0,2);
    lcd.print(" ->Turm");
    lcd.setCursor(0,3);
    lcd.print("   MG");
    break;
  case 4:
  lcd.clear();
    lcd.print("   Motor" );
    lcd.setCursor(0, 1);
    lcd.print("   Geschuetz");
    lcd.setCursor(0,2);
    lcd.print("   Turm");
    lcd.setCursor(0,3);
    lcd.print(" ->MG");
  break;
  case 5:
   menu1 = 4;
    break;
}
}
void updatemenu2(){
switch (menu2) {
  case 0:
  menu2 = 1;
  break;
  
   case 1:
    lcd.clear();
    lcd.print(" ->Motor" );
    lcd.setCursor(0, 1);
    lcd.print("   Flug");
    lcd.setCursor(0,2);
    lcd.print("   Bomben");
    lcd.setCursor(0,3);
    lcd.print("   MG");
    break;
  case 2:
    lcd.clear();
    lcd.print("   Motor" );
    lcd.setCursor(0, 1);
    lcd.print(" ->Flug");
    lcd.setCursor(0,2);
    lcd.print("   Bomben");
    lcd.setCursor(0,3);
    lcd.print("   MG");;
    break;
  case 3:
    lcd.clear();
    lcd.print("   Motor" );
    lcd.setCursor(0, 1);
    lcd.print("   Flug");
    lcd.setCursor(0,2);
    lcd.print(" ->Bomben");
    lcd.setCursor(0,3);
    lcd.print("   MG");
    break;
  case 4:
  lcd.clear();
    lcd.print("   Motor" );
    lcd.setCursor(0, 1);
    lcd.print("   Flug");
    lcd.setCursor(0,2);
    lcd.print("   Bomben");
    lcd.setCursor(0,3);
    lcd.print(" ->MG");
  break;
  case 5:
   menu2 = 4;
    break;
}
}

void updatemenu3(){
switch (menu3) {
  case 0:
  menu3 = 1;
  break;
  
   case 1:
    lcd.clear();
    lcd.print(" ->Anlassen" );
    lcd.setCursor(0, 1);
    lcd.print("   Motor");
    lcd.setCursor(0,2);
    lcd.print("   Fahrt");
    lcd.setCursor(0,3);
    lcd.print("   MG");
    break;
  case 2:
    lcd.clear();
    lcd.print("   Anlassen" );
    lcd.setCursor(0, 1);
    lcd.print(" ->Motor");
    lcd.setCursor(0,2);
    lcd.print("   Fahrt");
    lcd.setCursor(0,3);
    lcd.print("   MG");;
    break;
  case 3:
    lcd.clear();
    lcd.print("   Anlassen" );
    lcd.setCursor(0, 1);
    lcd.print("   Motor");
    lcd.setCursor(0,2);
    lcd.print(" ->Fahrt");
    lcd.setCursor(0,3);
    lcd.print("   MG");
    break;
  case 4:
  lcd.clear();
    lcd.print("   Anlassen" );
    lcd.setCursor(0, 1);
    lcd.print("   Motor");
    lcd.setCursor(0,2);
    lcd.print("   Fahrt");
    lcd.setCursor(0,3);
    lcd.print(" ->MG");
  break;
  case 5:
   menu3 = 4;
    break;
}
}

void updatemenu4(){
switch (menu4) {
  case 0:
  menu4 = 1;
  break;
  
   case 1:
    lcd.clear();
    lcd.print(" ->Drehen" );
    lcd.setCursor(0, 1);
    lcd.print("   Feuerbefehl");
    lcd.setCursor(0,2);
    lcd.print("   Geschuetz");
    lcd.setCursor(0,3);
    lcd.print("   Explosion");
    break;
  case 2:
    lcd.clear();
    lcd.print("   Drehen" );
    lcd.setCursor(0, 1);
    lcd.print(" ->Feuerbefehl");
    lcd.setCursor(0,2);
    lcd.print("   Geschuetz");
    lcd.setCursor(0,3);
    lcd.print("   Explosion");;
    break;
  case 3:
    lcd.clear();
    lcd.print("   Drehen" );
    lcd.setCursor(0, 1);
    lcd.print("   Feuerbefehl");
    lcd.setCursor(0,2);
    lcd.print(" ->Geschuetz");
    lcd.setCursor(0,3);
    lcd.print("   Explosion");
    break;
  case 4:
  lcd.clear();
    lcd.print("   Drehen" );
    lcd.setCursor(0, 1);
    lcd.print("   Feuerbefehl");
    lcd.setCursor(0,2);
    lcd.print("   Geschuetz");
    lcd.setCursor(0,3);
    lcd.print(" ->Explosion");
  break;
  case 5:
   menu2 = 4;
    break;
}
}

void executeAction() {
switch (menu1) {
  case 1:
    action1();
    break;
  case 2:
    action2();
    break;
  case 3:
    action3();
    break;
  case 4:
    action4();
    break;
}
}

void action1() {
lcd.clear();
lcd.print("Play Motor Sound");
delay(6000);
digitalWrite(PlayB2, LOW);
digitalWrite(LeftB2, LOW);
  digitalWrite(RightB2, LOW);
}
void action2() {
lcd.clear();
lcd.print("Play Geschuetz Sound");
delay(6000);
digitalWrite(PlayB2, LOW);
digitalWrite(LeftB2, LOW);
  digitalWrite(RightB2, LOW);
}
void action3() {
lcd.clear();
lcd.print("Play Turm Sound");
delay(6000);
digitalWrite(PlayB2, LOW);
digitalWrite(LeftB2, LOW);
  digitalWrite(RightB2, LOW);
}
void action4() {
lcd.clear();
lcd.print("Play MG Sound");
delay(6000);
digitalWrite(PlayB2, LOW);
digitalWrite(LeftB2, LOW);
  digitalWrite(RightB2, LOW);
}
void loop() {
if (!digitalRead(rightB)){
  menu++;
  updatemenu();
  delay(100);
  while (!digitalRead(rightB));
  digitalWrite(LeftB2, LOW);
  digitalWrite(RightB2, LOW);
  digitalWrite(PlayB2, LOW);
  countUp++;
  
}
if (!digitalRead(leftB)){
  menu--;
  updatemenu();
  delay(200);
  while(!digitalRead(leftB));
  digitalWrite(LeftB2, LOW);
  digitalWrite(RightB2, LOW);
  digitalWrite(PlayB2, LOW);
  countUp--;
  
}
if (!digitalRead(selectButton) && countUp ==1) 
 {
  updatemenu1();
  delay(200);
  while (!digitalRead(selectButton));
  digitalWrite(PlayB2, HIGH);
  digitalWrite(LeftB2, HIGH);
  digitalWrite(RightB2, HIGH);
  }
  
  else if(!digitalRead(selectButton) && countUp == 2) {
    updatemenu2();
    delay(200);
    while(!digitalRead(selectButton));
    digitalWrite(PlayB2, HIGH);
    digitalWrite(LeftB2, HIGH);
    digitalWrite(RightB2, HIGH);
  }
    
    else if(!digitalRead(selectButton) && countUp == 3) {
    updatemenu3();
    delay(200);
    while(!digitalRead(selectButton));
    digitalWrite(PlayB2, HIGH);
    digitalWrite(LeftB2, HIGH);
    digitalWrite(RightB2, HIGH);
    }
    
    else if(!digitalRead(selectButton) && countUp == 4) {
    updatemenu4();
    delay(200);
    while(!digitalRead(selectButton));
    digitalWrite(PlayB2, HIGH);
    digitalWrite(LeftB2, HIGH);
    digitalWrite(RightB2, HIGH);
        
  }
 


if (!digitalRead(downButton)&& countUp == 1){
  menu1++;
  updatemenu1();
  delay(200);
  while(!digitalRead(downButton));
}
else if (!digitalRead(downButton)&& countUp == 2){
  menu2++;
  updatemenu2();
  delay(200);
  while(!digitalRead(downButton));
}
 else if (!digitalRead(downButton)&& countUp == 3){
  menu3++;
  updatemenu3();
  delay(200);
  while(!digitalRead(downButton));
}
 else if (!digitalRead(downButton)&& countUp == 4){
  menu4++;
  updatemenu4();
  delay(200);
  while(!digitalRead(downButton));
}


if (!digitalRead(upButton) && countUp == 1){
  menu1--;
  updatemenu1();
  delay(200);
  while(!digitalRead(upButton));
}
else if  (!digitalRead(upButton)&& countUp == 2){
  menu2--;
  updatemenu2();
  delay(200);
  while(!digitalRead(upButton));
}
else if  (!digitalRead(upButton)&& countUp == 3){
  menu3--;
  updatemenu3();
  delay(200);
  while(!digitalRead(upButton));
}
else if  (!digitalRead(upButton)&& countUp == 4){
  menu4--;
  updatemenu4();
  delay(200);
  while(!digitalRead(upButton));
}

if (!digitalRead(PlayB)){
  executeAction();
  updatemenu();
  delay(200);
  while(!digitalRead(PlayB));
}
 Serial.println(countUp); // Gibt den aktuellen Stand von countUp aus
}