#include <Servo.h>
#include <DHT.h>

#define DHTPIN 2  
#define DHTPIN 7        
#define DHTTYPE DHT22     

DHT dht(DHTPIN, DHTTYPE); 

Servo servo;             

const int greenLedPin = 5;   
const int orangeLedPin = 3;      
const int yellowLedPin = 4;   
const int redLedPin = 13;
   
Servo port;

void setup() {
  dht.begin();
  port.attach(6);        
  pinMode(greenLedPin, OUTPUT);
  pinMode(redLedPin, OUTPUT);
  pinMode(yellowLedPin, OUTPUT);
  pinMode(orangeLedPin, OUTPUT);


  Serial.begin(9600);       
}

void loop() {
  float tempext = dht.readTemperature();
  float tempint = dht.readTemperature();
port.write(180);// le port est ferme
 // myservo1.write(0); //le port est ouvert
 
  if (port.read()==0) {
    digitalWrite(yellowLedPin, HIGH);
    digitalWrite(greenLedPin, LOW);  
    digitalWrite(redLedPin, LOW);
    digitalWrite(orangeLedPin, LOW);
    
  }else{
    if ((tempext > 26) || (tempint > 26)) {
    digitalWrite(greenLedPin, HIGH); 
    digitalWrite(redLedPin, LOW);
    digitalWrite(orangeLedPin, LOW);
    digitalWrite(yellowLedPin, LOW);
    if  (tempint >= 27){
      digitalWrite(redLedPin, HIGH);
      delay(3000);
    }
    Serial.println("refroidissement");
  } else if ((tempext<20) || (tempint<20) ){
    digitalWrite(greenLedPin,LOW );  
    digitalWrite(redLedPin, LOW);
    digitalWrite(orangeLedPin, HIGH);
    digitalWrite(yellowLedPin, LOW);
    Serial.println(" chauffage");
  } else  {
    digitalWrite(yellowLedPin, HIGH);
    digitalWrite(greenLedPin, LOW);  
    digitalWrite(redLedPin, LOW);
    digitalWrite(orangeLedPin, LOW);
    Serial.println(" en veille");
     delay(3000);

  }
  }
  
  delay(3000); 
}