#include <DHTesp.h>
int trigger =4;
int echo = 19;



DHTesp abu;
TempAndHumidity data;

int finding_distance(){
  digitalWrite(trigger, HIGH);
  delay(100);
  digitalWrite(trigger, LOW);
  float a=pulseIn(echo, HIGH);
  return(a*0.034/2);
}

void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  abu.setup(18, DHTesp::DHT22);
  pinMode(trigger, OUTPUT);
  pinMode(echo, INPUT);
  pinMode(5, OUTPUT);
  pinMode(17, OUTPUT);
  pinMode(16 , OUTPUT);
}

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

  data = abu.getTempAndHumidity();
  int distance=finding_distance();
  int humidity = data.humidity;
  int temp = data.temperature;

  Serial.println("Humi : " + String(data.humidity));
  Serial.println("Temp : " + String(data.temperature));
  Serial.println(distance);
  Serial.println(humidity);
  Serial.println(temp);
  Serial.println("-----------------");
  delay(1000);
  


if (distance > 300 && temp<30 && humidity>70){
    Serial.println("You are safe");
    digitalWrite(16, HIGH);
    digitalWrite(5, LOW);
    digitalWrite(17, LOW);
  }
  else{
    if (distance>200 && temp>=30 && temp <=70 &&humidity>=30 && humidity<=70){
    Serial.println("You are unsafe");
    digitalWrite(5, LOW);
    digitalWrite(16, LOW);
    digitalWrite(17, HIGH);
    }
    if (distance < 200 && temp>70 && humidity<30){
    digitalWrite(17, LOW);
    digitalWrite(16, LOW);
    digitalWrite(5, HIGH);
    Serial.println("You are danger");
  }
  else{
    digitalWrite(17, LOW);
    digitalWrite(16, LOW);
    digitalWrite(5, LOW);
  }
  }



  }


 
  //delay(10); // this speeds up the simulation