#include <DHTesp.h>

int trig=25;
int echo=34;
float green=22;
float orange=5;
float red=19;
float distance;

DHTesp kavin;
TempAndHumidity data;



void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
 kavin.setup(18, DHTesp::DHT22);
 pinMode(trig, OUTPUT);
 pinMode(echo, INPUT);
 pinMode(green, OUTPUT);
 pinMode(orange, OUTPUT);
 pinMode(red, OUTPUT);
 tone(21,OUTPUT);

}
   
int ultraperformance(){
  digitalWrite(trig, LOW);
  delay(10);
  digitalWrite(trig, HIGH);
  delay(100);
  digitalWrite(trig, LOW);

  distance=pulseIn(echo,HIGH);
  return(distance*0.034/2)+1;
}

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

  data = kavin.getTempAndHumidity();

  Serial.println("Humi : " + String(data.humidity));
  Serial.println("Temp : " + String(data.temperature));
  Serial.println("-----------------");
  delay(1000);
  float actual_distance=ultraperformance();
 Serial.println(actual_distance);

 if (actual_distance>300 && data.humidity<70 && data.temperature>30){
 digitalWrite(green, HIGH);
 digitalWrite(orange, LOW);
 digitalWrite(red, LOW);
 tone(21,LOW);
 Serial.println("you are safe");

 }

 else if(actual_distance>=200 && actual_distance <300 && data.humidity<=70 && data.temperature>=30 && data.humidity>=30 && data.temperature<=70){
 digitalWrite(orange ,HIGH);
 digitalWrite(green, LOW);
 digitalWrite(red, LOW);
 tone(21,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(green, LOW);
 tone(21,10000);
 Serial.println("you are danger");
}

 else{
 digitalWrite(green, LOW);
 digitalWrite(orange, LOW);
 digitalWrite(red, LOW);
 tone (21,LOW);
 }
}
 
  //delay(10); // this speeds up the simulation