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

#define WIFI_SSID "Wokwi-GUEST"
#define WIFI_PASSWORD ""

DHTesp dhtSensor;
const int DHT_PIN = 15;
float temperature;
float humidity;

// Replace with your unique IFTTT URL resource
const char* resource = "https://maker.ifttt.com/trigger/BacaanDHT/with/key/hcOx_xk-POfHLy8fQVgFTeHb62c2fiB6-a9csr96jqH";

// Maker Webhooks IFTTT
const char* server = "maker.ifttt.com";

// Previous temperature and humidity readings
float prevTemperature = 0;
float prevHumidity = 0;
void setup() {
  Serial.begin(115200);
  dhtSensor.setup(DHT_PIN, DHTesp::DHT22);

  WiFi.begin(WIFI_SSID, WIFI_PASSWORD);
  Serial.print("Connecting to Wi-Fi");
  while (WiFi.status() != WL_CONNECTED)
  {
    Serial.print(".");
    delay(300);
  }
  Serial.println();
  Serial.print("Connected with IP: ");
  Serial.println(WiFi.localIP());
  Serial.println();
}
void loop() {
  // Get the current temperature and humidity readings
  TempAndHumidity data = dhtSensor.getTempAndHumidity();
  temperature = data.temperature;
  humidity = data.humidity;

  // Check if the readings have changed
  if (temperature != prevTemperature || humidity != prevHumidity) {
    // Update the previous readings
    prevTemperature = temperature;
    prevHumidity = humidity;

    // Send data to IFTTT service
    makeIFTTTRequest();
  }
  delay(1000);
}
// Make an HTTP request to the IFTTT web service
void makeIFTTTRequest() {
  Serial.print("Connecting to "); 
  Serial.print(server);
  
  WiFiClient client;
  int retries = 5;
  while(!client.connect(server, 80) && (retries-- > 0)) {
    Serial.print(".");
  }
  Serial.println();
  if(!client.connected()) {
    Serial.println("Failed to connect...");
  }
  
  Serial.print("Request resource: "); 
  Serial.println(resource);

  // Format the JSON object with the temperature and humidity readings
  String temp = String(temperature, 2) + "°C";
  String hum = String(humidity, 1) + "%";
  String jsonObject = String("{\"value1\":\"") + temp + "\",\"value2\":\"" + hum + "\"}";
                      
  client.println(String("POST ") + resource + " HTTP/1.1");
  client.println(String("Host: ") + server); 
  client.println("Connection: close\r\nContent-Type: application/json");
  client.print("Content-Length: ");
  client.println(jsonObject.length());
  client.println();
  client.println(jsonObject);
        
  int timeout = 5 * 10; // 5 seconds             
  while(!client.available() && (timeout-- > 0)){
    delay(100);
  }
  if(!client.available()) {
    Serial.println("No response...");
  }
  while(client.available()){
    Serial.write(client.read());
  }
  
  Serial.println("\nclosing connection");
  client.stop(); 
}