#include <DHTesp.h>
int trig =12;
int echo =25;
float relay =21;
float orange =27;
float red =26;
char ssid[] = "Wokwi-GUEST";
char pass[] = "";
float distance;
DHTesp bhuvanesh;
TempAndHumidity data;

void setup() {
 Serial.begin(115200);
 bhuvanesh.setup(18, DHTesp:: DHT22);
 pinMode(trig, OUTPUT);
 pinMode(echo, INPUT);
 pinMode(relay, OUTPUT);
 pinMode (orange, OUTPUT);
 pinMode(red,OUTPUT);
 tone(22, OUTPUT);
}
int ultraperformance(){
 digitalWrite(trig, LOW);
 delay(100);
 digitalWrite(trig, HIGH);
 delay(100);
 digitalWrite(trig, LOW);
 distance=pulseIn(echo,HIGH);
 return(distance*0.034/2)+1;
 }


void loop() {
    data = bhuvanesh.getTempAndHumidity();
  Serial.println("Humi : " + String(data.humidity));
  Serial.println("Temp : " + String(data.temperature));
  Serial.println("-----------------");
  delay(3000);

 float actual_distance=ultraperformance();
 Serial.println(actual_distance);
   if (actual_distance>=300 && data.humidity>70 && data.temperature<30) {
     digitalWrite(relay, HIGH);
     digitalWrite(orange, LOW);
     digitalWrite(red, LOW);
     Serial.println("you are safe");
     tone(22,LOW);
    }

    else if(actual_distance>=200 &&actual_distance<300 && data.humidity<=70 && data.temperature>=30 && data.humidity>=30 && data.temperature<=70){
     digitalWrite(orange ,HIGH);
     digitalWrite(relay, LOW);
     digitalWrite(red, LOW);
     tone(22,LOW);
     Serial.println("you are unsafe");
    }

    else if(actual_distance>=0 && actual_distance<200 && data.humidity<30 && data.temperature>70){
     digitalWrite(red ,HIGH);
     digitalWrite(orange , LOW);
     digitalWrite(relay, LOW);
     tone (22,8000);
     Serial.println("you are in danger");
    }

    else{
     digitalWrite(relay, LOW);
     digitalWrite(orange, LOW);
     digitalWrite(red, LOW);
     tone (22,8000);
     Serial.println("error statement");
    }
 }