#include <DHTesp.h>
#include <WiFi.h>
#include <ThingSpeak.h>
char ssid[] = "Wokwi-GUEST";
char pass[] = ""; 
 
WiFiClient client;
long myChannelNumber =   2729217;
const char * myWriteAPIKey = "R87IY4R3B0AL2VYE";
int statusCode;

DHTesp girls;
TempAndHumidity data;

int trigger=4;
int echo=5;
int window=26;
int window_status=0;
int ldr=34;
int w=17;

void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  WiFi.mode(WIFI_STA);
  ThingSpeak.begin(client);
  pinMode(trigger, OUTPUT);
  pinMode(echo, INPUT);
  pinMode(window, OUTPUT);
  pinMode(w, INPUT_PULLUP);
  pinMode(ldr, INPUT);
  girls.setup(15, DHTesp::DHT22);
}

int finding_distance(){
  digitalWrite(trigger, HIGH);
  delay(500); 
  digitalWrite(trigger, LOW);
  float a=pulseIn(echo, HIGH);
  return(a*0.034/2);
}

void loop() {
  if(WiFi.status() != WL_CONNECTED)  
  {
  Serial.print("Attempting to connect");
    while(WiFi.status() != WL_CONNECTED)
    {
    WiFi.begin(ssid, pass); 
    Serial.print(".");
    delay(5000);
    }
  Serial.println("\nConnected.");}

  data = girls.getTempAndHumidity();
  int distance=finding_distance();
  int w=digitalRead(17);
  int ldr=analogRead(34);
  Serial.println(distance);
  Serial.println("Humi : " + String(data.humidity));
  Serial.println("Temp : " + String(data.temperature));
  Serial.println("ldr: " + String(ldr));
  Serial.println("motion: " + String(w));

if(ldr>=500){
  if(data.temperature>35 && data.humidity<60){
    if(w==HIGH && distance<200){
      digitalWrite(window, HIGH);
      window_status==1;
      Serial.println("Window is OPEN");
    }
    else{
      digitalWrite(window, HIGH );
      window_status==1;
      Serial.println("Window is OPEN");
    }
  }

  else if(data.temperature<35 && data.humidity>60){
    if(w==HIGH && distance<200){
      digitalWrite(window, LOW);
      window_status==0;
      Serial.println("Window is CLOSE");
    }
    else{
      digitalWrite(window, LOW);
      window_status=0;
      Serial.println("Window is CLOSE");
    }
  }
}
else if(ldr<500){
  if(w==HIGH && distance<200){
      digitalWrite(window, HIGH);
      window_status==1;
      Serial.println("Window is OPEN");
    }
    else{
      digitalWrite(window, LOW);
      window_status=0;
      Serial.println("Window is CLOSE");
    }
}
ThingSpeak.setField(1,distance );
ThingSpeak.setField(2,data.temperature );
ThingSpeak.setField(3,data.humidity);
ThingSpeak.setField(4,window_status);
ThingSpeak.setField(5,ldr);
ThingSpeak.setField(6,w);


   
  statusCode = ThingSpeak.writeFields(myChannelNumber,myWriteAPIKey);

if(statusCode == 200) { //successful writing code
Serial.println("Channel update successful.");
}
else {
Serial.println("Problem Writing data. HTTP error code :" +
String(statusCode));
}

 
  // put your main code here, to run repeatedly:
  delay(1000); // this speeds up the simulation
}