#include <DHT.h>
#include <WiFi.h>
#include "ThingSpeak.h"
#include <ESP32Servo.h>
#define SERVO_PIN 13
// Set up the DHT sensor
DHT dht1(4, DHT22);
DHT dht2(2, DHT22); 
Servo Servo;
float temperature1;
float humidity1;

float temperature2;
float humidity2;

int counter1 = 0;
int counter2 = 0;


// WiFi credentials for Wokwi simulation (Wokwi automatically connects)
const char* WIFI_NAME = "Wokwi-GUEST";   
const char* WIFI_PASSWORD = "";          

// ThingSpeak settings
const int myChannelNumber = 2762793;
const char* myApiKey = "URRY52PF73SJRD9K";  
WiFiClient client;

void setup() {

pinMode(14,OUTPUT);
pinMode(26,OUTPUT);
pinMode(27,OUTPUT);
Servo.attach(SERVO_PIN);

  // Start Serial communication
  Serial.begin(9600);
  Serial.println("Hello, ESP32!");

  // Initialize DHT sensor
  dht1.begin();

  // Connect to Wi-Fi (this connects to Wokwi's mock Wi-Fi)
  Serial.print("Connecting to WiFi...");
  WiFi.begin(WIFI_NAME, WIFI_PASSWORD);  // Use the mock Wi-Fi network provided by Wokwi
  
  // Simulate the Wi-Fi connection process
  while (WiFi.status() != WL_CONNECTED) {
    delay(100);
    Serial.print(".");
  }
  Serial.println(" Connected!");
  Serial.println(String(WiFi.localIP()));  // Print the mock local IP address of the ESP32

  // Initialize ThingSpeak
  ThingSpeak.begin(client);  // Initialize ThingSpeak client
}




void loop() {


  delay(100);
  //*-***********************Field1*********************/
  // Read temperature and humidity from DHT sensor
  temperature1 = dht1.readTemperature();
  humidity1 = dht1.readHumidity();

  temperature2 = dht2.readTemperature();
  humidity2 = dht2.readHumidity();


  // Check if reading failed
  if (isnan(temperature1) || isnan(humidity1)) {
    Serial.println("Failed to read from DHT sensor!");
    return;
  }

  // Print sensor data to Serial Monitor
  Serial.println("Data: " + String(counter1));

  // Print temperature in Celsius
  Serial.print("Temperature1 (C): ");
  Serial.println(dht1.readTemperature(false));

  // Print temperature in Fahrenheit
  Serial.print("Temperature1 (F): ");
  Serial.println(dht1.readTemperature(true));

  // Print humidity in percentage
  Serial.print("Humidity1: ");
  Serial.println(humidity1);

  // Print heat index in Celsius
  Serial.print("Heat Index (C): ");
  Serial.println(dht1.computeHeatIndex(temperature1, humidity1, false));

  // Print heat index in Fahrenheit
  Serial.print("Heat Index (F): ");
  Serial.println(dht1.computeHeatIndex(temperature1, humidity1, true));

//**********Field 2*******************************************

if (isnan(temperature2) || isnan(humidity2)) {
    Serial.println("Failed to read from DHT sensor!");
    return;
  }

  // Print sensor data to Serial Monitor
  Serial.println("Data: " + String(counter2));

  // Print temperature in Celsius
  Serial.print("Temperature2 (C): ");
  Serial.println(dht2.readTemperature(false));

  // Print temperature in Fahrenheit
  Serial.print("Temperature2 (F): ");
  Serial.println(dht2.readTemperature(true));

  // Print humidity in percentage
  Serial.print("Humidity2: ");
  Serial.println(humidity2);

  // Print heat index in Celsius
  Serial.print("Heat Index (C): ");
  Serial.println(dht2.computeHeatIndex(temperature2, humidity2, false));

  // Print heat index in Fahrenheit
  Serial.print("Heat Index (F): ");
  Serial.println(dht2.computeHeatIndex(temperature2, humidity2, true));




//*********************Field1**************************************/
  // Push data to ThingSpeak
  ThingSpeak.setField(1, temperature1);
  ThingSpeak.setField(2, humidity1);
//*********************Field2**************************************/

 ThingSpeak.setField(3, temperature2);
  ThingSpeak.setField(4, humidity2);

//**************************************doors ********************

//**************************door1***********************************//
if ((temperature2 > 39 )&&(temperature1 > 39 ))
//************ Green
{digitalWrite(27, HIGH);
digitalWrite(26, LOW);
digitalWrite(14, LOW);
Servo.write(0);}
//************ Red
else if ((temperature2 < 20 )&&(temperature1 < 20 ))
{digitalWrite(27, LOW);
digitalWrite(26, HIGH);
digitalWrite(14, LOW);
Servo.write(90);}
//************ Yellow 
else 
{digitalWrite(27, LOW);
digitalWrite(26, LOW);
digitalWrite(14, HIGH);
Servo.write(180);}

//**************************door2***********************************//






  int x = ThingSpeak.writeFields(myChannelNumber, myApiKey);
  if (x == 200) {
    Serial.println("Data pushed successfully");
  } else {
    Serial.println("Push error: " + String(x));
  }

  Serial.println(" ");

  // Delay before next loop iteration
  delay(1000);  // Delay 1 second

  // Increment the counter
  counter1++;
  counter2++;
}