#include"DHTesp.h"
#include <WiFi.h>
#include<ThingSpeak.h>

const int tri = 13;
const int eco = 12;
const int pin = 15;
DHTesp dhtsensor;
TempAndHumidity data;


char ssid[] = "Wokwi-GUEST";
char pass[] = "";
WiFiClient client;
int statusCode;

unsigned long myChannelNumber = 2074363;
const char * myWriteAPIKey = "0XW9C98Q6SDA6VCK";

float dis;
long dur;

void setup() {
  
  Serial.begin(115200);
  pinMode(tri, OUTPUT);
  pinMode(eco, INPUT);
  dhtsensor.setup(pin,DHTesp::DHT22);
  WiFi.mode(WIFI_STA);
  ThingSpeak.begin(client);
}

void loop() {
  if(WiFi.status()!= WL_CONNECTED)
  {
    Serial.println("Attempting to  connect");
    while(WiFi.status() != WL_CONNECTED)
    {
      WiFi.begin(ssid,pass);
      Serial.print(".");
      delay(5000);
    }
    Serial.println("\nconnected");
  }
  
  dis = getdistanceIn();
  Serial.println("distance:" + String(dis));
  data = dhtsensor.getTempAndHumidity();
  Serial.println("Humi:" + String(data.humidity,1));
  Serial.println("Temp:" + String(data.temperature,2));
  Serial.println("______________");
  ThingSpeak.setField(1,dis);
  ThingSpeak.setField(2,data.humidity);
  ThingSpeak.setField(3,data.temperature);
  statusCode=ThingSpeak.writeFields(myChannelNumber,myWriteAPIKey);
  
if(statusCode == 200)
{
  Serial.println("Channel Updated");
}
else{
  Serial.println("Problem in Updating");
  String(stausCode);
  }
delay(1500);
}
long getdistanceIn()
{
  digitalWrite(tri,LOW);
  delayMicroseconds(2);
  digitalWrite(tri, HIGH);
  delay(10);
  digitalWrite(tri, LOW);
  dur = pulseIn(eco, HIGH);
  return((dur*0.034/2)+1);
}