//hanya perlu 8 pin, tidak 12 pin
int in_gerbang1a = 7;
int in_gerbang1b = 6;
int in_gerbang2a = 5;
int in_gerbang2b = 4;

int out_gerbang1 = 8;
int out_gerbang2 = 9;
int out_gerbang3 = 10;
int out_gerbang4 = 11;

String jenis = "";
int jumlah = 0;



void setup() {
  Serial.begin(9600);

  pinMode(in_gerbang1a, OUTPUT);
  pinMode(in_gerbang1b, OUTPUT);
  pinMode(in_gerbang2a, OUTPUT);
  pinMode(in_gerbang2b, OUTPUT);

  pinMode(out_gerbang1, INPUT);
  pinMode(out_gerbang2, INPUT);
  pinMode(out_gerbang3, INPUT);
  pinMode(out_gerbang4, INPUT);

  Serial.println("Letakkan dan tekan IC gerbang logika pada protoboard");
}



void loop() {
  //if(cek_AdaIC == true){
  cek_NOT();
  
  //Jika bukan NOT, cek yang lainnya
  if(jenis == ""){
    digitalWrite(in_gerbang1a, 0);
    digitalWrite(in_gerbang1b, 0);
    digitalWrite(in_gerbang2a, 0);
    digitalWrite(in_gerbang2b, 0);

    if(digitalRead(out_gerbang1) == 0 || digitalRead(out_gerbang2) == 0 || 
       digitalRead(out_gerbang3) == 0 || digitalRead(out_gerbang4) == 0 ){
      digitalWrite(in_gerbang1a, 0);
      digitalWrite(in_gerbang1b, 0);
      digitalWrite(in_gerbang2a, 1);
      digitalWrite(in_gerbang2b, 1);
      
      if(digitalRead(out_gerbang1) == 0 || digitalRead(out_gerbang2) == 0 ||
         digitalRead(out_gerbang2) == 0 || digitalRead(out_gerbang4) == 0 ){
        if(digitalRead(out_gerbang1) == 0){
          jumlah++;
          jenis = "AND";
        }
        if(digitalRead(out_gerbang2) == 0){
          jumlah++;
          jenis = "AND";
        }
        if(digitalRead(out_gerbang3) == 0){
          jumlah++;
          jenis = "AND";
        }
        if(digitalRead(out_gerbang4) == 0){
          jumlah++;
          jenis = "AND";
        }
        Serial.println("Jenis IC: "+jenis);
        Serial.print("Jumlah Gerbang: ");
        Serial.print(jumlah);
        Serial.println();
        delay(1000);
        jumlah = 0;
      }
      else if(digitalRead(out_gerbang1) == 1 || digitalRead(out_gerbang2) == 1 || 
              digitalRead(out_gerbang3) == 1 || digitalRead(out_gerbang4) == 1 ){
        digitalWrite(in_gerbang1a, 1);
        digitalWrite(in_gerbang1b, 1);
        digitalWrite(in_gerbang2a, 1);
        digitalWrite(in_gerbang2b, 1);
        if(digitalRead(out_gerbang1) == 1 || digitalRead(out_gerbang2) == 1 ||
           digitalRead(out_gerbang2) == 1 || digitalRead(out_gerbang4) == 1 ){
          if(digitalRead(out_gerbang1) == 1){
            jumlah++;
            jenis = "OR";
          }
          if(digitalRead(out_gerbang2) == 1){
            jumlah++;
            jenis = "OR";
          }
          if(digitalRead(out_gerbang3) == 1){
            jumlah++;
            jenis = "OR";
          }
          if(digitalRead(out_gerbang4) == 1){
            jumlah++;
            jenis = "OR";
          }
        }
        Serial.println("Jenis IC: "+jenis);
        Serial.print("Jumlah Gerbang: ");
        Serial.print(jumlah);
        Serial.println();
        delay(1000);
        jumlah = 0;
      }
    }
  }
}



void cek_NOT(){
  pinMode(in_gerbang2a, OUTPUT);
  pinMode(in_gerbang2b, OUTPUT);
  pinMode(out_gerbang2, INPUT);
  pinMode(out_gerbang4, INPUT);
  digitalWrite(in_gerbang2a,  0);
  digitalWrite(in_gerbang2b,  0);
  if(digitalRead(out_gerbang2) == 1 || digitalRead(out_gerbang4) == 1){
    digitalWrite(in_gerbang2a, 1);
    digitalWrite(in_gerbang2b, 1);
    if(digitalRead(out_gerbang2) == 0 || digitalRead(out_gerbang4) == 0){
      if(digitalRead(out_gerbang2) == 0){
        jumlah++;
        jenis = "NOT";
        Serial.println("ada NOT 1");
      }
      if(digitalRead(out_gerbang4) == 0){
        jumlah++;
        jenis = "NOT";
        Serial.println("ada NOT 2");
      }
    }
  }
  pinMode(in_gerbang2a, INPUT);
  pinMode(in_gerbang2b, INPUT);
  
  pinMode(in_gerbang1a, OUTPUT);
  pinMode(in_gerbang1b, OUTPUT);
  digitalWrite(in_gerbang1a,  0);
  digitalWrite(in_gerbang1b,  0);
  if(digitalRead(in_gerbang2a) == 1 || digitalRead(in_gerbang2b) == 1){
    digitalWrite(in_gerbang1a, 1);
    digitalWrite(in_gerbang1b, 1);
    if(digitalRead(in_gerbang2a) == 0 || digitalRead(in_gerbang2b) == 0){
      if(digitalRead(in_gerbang2a) == 0){
        jumlah++;
        jenis = "NOT";
        Serial.println("ada NOT 3");
      }
      if(digitalRead(in_gerbang2b) == 0){
        jumlah++;
        jenis = "NOT";
        Serial.println("ada NOT 4");
      }
    }
  }
  pinMode(in_gerbang2a, OUTPUT);
  pinMode(in_gerbang2b, OUTPUT);

  pinMode(out_gerbang1, OUTPUT);
  pinMode(out_gerbang3, OUTPUT);
  pinMode(in_gerbang1a, INPUT);
  pinMode(in_gerbang1b, INPUT);
  digitalWrite(out_gerbang1,  0);
  digitalWrite(out_gerbang3,  0);
  if(digitalRead(in_gerbang1a) == 1 || digitalRead(in_gerbang1b) == 1){
    digitalWrite(out_gerbang1, 1);
    digitalWrite(out_gerbang3, 1);
    if(digitalRead(in_gerbang1a) == 0 || digitalRead(in_gerbang1b) == 0){
      if(digitalRead(in_gerbang1a) == 0){
        jumlah++;
        jenis = "NOT";
        Serial.println("ada NOT 5");
      }
      if(digitalRead(in_gerbang1b) == 0){
        jumlah++;
        jenis = "NOT";
        Serial.println("ada NOT 6");
      }
    }
  }
  pinMode(out_gerbang1, INPUT);
  pinMode(out_gerbang3, INPUT);
  pinMode(in_gerbang1a, OUTPUT);
  pinMode(in_gerbang1b, OUTPUT);

  Serial.println("Jenis IC: "+jenis);
  Serial.print("Jumlah Gerbang: ");
  Serial.print(jumlah);
  Serial.println();
  delay(1000);
  jumlah = 0;
}



boolean  cek_AdaIC() { //cek apakah IC telah diletakkan dan ditekan
  digitalWrite(in_gerbang1a, 0);
  digitalWrite(in_gerbang1b, 0);
  digitalWrite(in_gerbang2a, 0);
  digitalWrite(in_gerbang2b, 0);
 
  if(digitalRead(out_gerbang1) == 0 && digitalRead(out_gerbang2) == 0 &&
     digitalRead(out_gerbang3) == 0 && digitalRead(out_gerbang4) == 0 ){
    digitalWrite(in_gerbang1a, 0);
    digitalWrite(in_gerbang1b, 0);
    digitalWrite(in_gerbang2a, 1);
    digitalWrite(in_gerbang2b, 1);
    if(digitalRead(out_gerbang1) == 0 && digitalRead(out_gerbang2) == 0 &&
       digitalRead(out_gerbang3) == 0 && digitalRead(out_gerbang4) == 0 ){
      digitalWrite(in_gerbang1a, 1);
      digitalWrite(in_gerbang1b, 1);
      digitalWrite(in_gerbang2a, 0);
      digitalWrite(in_gerbang2b, 0);
      if(digitalRead(out_gerbang1) == 0 && digitalRead(out_gerbang2) == 0 &&
         digitalRead(out_gerbang3) == 0 && digitalRead(out_gerbang4) == 0 ){
        digitalWrite(in_gerbang1a, 1);
        digitalWrite(in_gerbang1b, 1);
        digitalWrite(in_gerbang2a, 1);
        digitalWrite(in_gerbang2b, 1);
        if(digitalRead(out_gerbang1) == 0 && digitalRead(out_gerbang2) == 0 &&
           digitalRead(out_gerbang3) == 0 && digitalRead(out_gerbang4) == 0 ){
          cek_NOT();
          if(jenis != "NOT") {
            return false;
          }
        }else{
          return true;
        }
      }else{
        return true;
      }
    }else{
      return true;
    }
  }else{
    return true;
  }
}