//#include "BluetoothSerial.h"

//BluetoothSerial ESP_BT;
int incoming;
int variabila;
int v[]= {23, 22, 21};

void setup() {
  Serial.begin(9600);
  //ESP_BT.begin("Echipa_02");
  int i;
  for(i=0;i<=2;i++)
    pinMode(v[i], OUTPUT);
  pinMode(4, INPUT_PULLUP);
}

void loop() {
  if(Serial.available()){
    //incoming = ESP_BT.read();
    variabila = Serial.read();
    int i;
    if(variabila>='0' && variabila<='9')
      Serial.println("S a receptionat");
    else{
      if(variabila!='\n' && variabila)
        Serial.println("-");
        }
    if(variabila>9)
    switch(variabila){
      case '0':
      for(i=0;i<=2;i++)
        digitalWrite(v[i], LOW);
      break;
      case '1':
      digitalWrite(v[0], HIGH);
      break;
      case '2':
        digitalWrite(v[0], HIGH);
        digitalWrite(v[1], HIGH);
        digitalWrite(v[2], HIGH);
      break;
      case '3':
      for(i=0;i<=2;i++){
        digitalWrite(v[i], HIGH);
        delay(500);
      }
      break;
      case '4':
      for(i=2;i>=0;i--){
        digitalWrite(v[i], HIGH);
        delay(500);
      }
      break;
      case '5':
      
      while(1){
      int btn_state=digitalRead(4);
      Serial.println(btn_state);
      if(btn_state==LOW) digitalWrite(23, HIGH);
      else digitalWrite(23, LOW);
      if(Serial.available())
        break;
      }
      break;
      case '6':
      //Alexandru are 9 litere, este impar
      //N=nr echipei+1=2+1=3
      digitalWrite(v[1], HIGH);
      digitalWrite(v[2], HIGH);
      break;
  

    }
    
    }
  }