int trigger=17;
int echo=32;
int light1=25;
int light2=26;
int light3=27;
#include <DHTesp.h>

DHTesp kathir;
TempAndHumidity data;



void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
 kathir.setup(18, DHTesp::DHT22);
  pinMode(trigger, OUTPUT);
  pinMode(echo, INPUT);
  pinMode(light1, OUTPUT);
  pinMode(light2, OUTPUT);
  pinMode(light3, OUTPUT);
   
 
}
int Ultra_sonic(){
  digitalWrite(trigger, HIGH);
  delay(100);
  digitalWrite(trigger, LOW);
 float recieved= pulseIn(echo, HIGH);
 float converted=(recieved*0.034/2)+1;
 return(converted);

}

void loop() {
  // put your main code here, to run repeatedly:
 

  data = kathir.getTempAndHumidity();

  Serial.println("Humi : " + String(data.humidity));
  Serial.println("Temp : " + String(data.temperature));
  Serial.println("-----------------");
  delay(1000);
 
  int level=Ultra_sonic();
  Serial.println(level);
  delay(1000);
 
 if((level>=300)&&(data.humidity>=70)&&(data.temperature<=30)){
    digitalWrite(light1, HIGH);
    digitalWrite(light2, LOW);
    digitalWrite(light3, LOW);    
   Serial.println("you are safe");
 
  }
  else if ( ((level<300) && (level>=200))&&((data.humidity<70)&&(data.humidity>=30))&&(((data.temperature>=30)&&(data.temperature<70)))){
    digitalWrite(light1, LOW);
    digitalWrite(light3, LOW);
      digitalWrite(light2, HIGH);
      Serial.println("you are unsafe");
     
    }
    else if((level<200)&&((data.humidity<30)&&(data.temperature>70))){
      digitalWrite(light2, LOW);
      digitalWrite(light1, LOW);
      digitalWrite(light3,HIGH);
      Serial.println("you are in danger");
}
else{
  digitalWrite(light1, LOW);
  digitalWrite(light2, LOW);
 digitalWrite(light3,LOW);
}
}