#include <DHTesp.h>
DHTesp a;
TempAndHumidity data;
int trigger = 19;
int echo = 17;
int l1 = 13;
int l2 = 12;
int l3 = 14;


void setup() {
  Serial.begin(115200);
  pinMode(trigger, OUTPUT);
  pinMode(echo, INPUT);
  pinMode(l1, OUTPUT);
  pinMode(l2, OUTPUT);
  pinMode(l3, OUTPUT);
  Serial.begin(115200);
 a.setup(18, DHTesp::DHT22);
}

int finding_distance() {
  digitalWrite(trigger, HIGH);
  delayMicroseconds(10);
  digitalWrite(trigger, LOW);
  float duration = pulseIn(echo, HIGH);
  return (duration * 0.034 / 2);
}

void loop() {
  data = a.getTempAndHumidity();
  
  Serial.println("Humi : " + String(data.humidity));
  Serial.println("Temp : " + String(data.temperature));
  Serial.println("-----------------");
  delay(1000);
  
  int distance = finding_distance();
  Serial.println(distance);

  if (data.temperature<=30 && data.humidity >=70 && distance >=300) { 
    digitalWrite(l1, HIGH);
    digitalWrite(l2, LOW);
    digitalWrite(l3, LOW);
    noTone(2);
    Serial.println("You are safe");
  } else if (data.temperature>30 && data.temperature<70 && data.humidity>30 && data.humidity<70 && distance>200 && distance<300) {
    digitalWrite(l1, LOW);
    digitalWrite(l2, HIGH);
    digitalWrite(l3, LOW);
    noTone(2);
    Serial.println("You are unsafe");
  } else if (data.temperature >=70 && data.humidity <=30 && distance <=200) {
    digitalWrite(l1, LOW);
    digitalWrite(l2, LOW);
    digitalWrite(l3, HIGH);
    Serial.println("You are in danger");
    tone(2,5000);
  }else{
    digitalWrite(l1, LOW);
    digitalWrite(l2, LOW);
    digitalWrite(l3, LOW);
    noTone(2);
  }

  delay(10);
}