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

// Replace with your WiFi credentials
const char* ssid = "Wokwi-GUEST";
const char* password = "";

// DHT sensor pin and type
const int DHT_PIN = 4;
const DHTesp dhtSensor(DHT_PIN, DHTTYPE DHT22); // DHT 22 sensor

// Google Apps Script function URL (replace with yours)
const char* googleSheetUrl = "https://script.google.com/macros/s/AKfycbzHJ2NzKfCXPy6A3WkgNVMa4zu3gbN_3munFP49vtvqzZaeo6O1BpSR1Vx3eKx8xhJD/exec";

void setup() {
  Serial.begin(115200);

  // Connect to WiFi
  WiFi.begin(ssid, password);
  while (WiFi.status() != WL_CONNECTED) {
    delay(500);
    Serial.print(".");
  }
  Serial.println("Connected to WiFi!");

  // Start DHT sensor
  dhtSensor.begin();
}

void loop() {
  // Read temperature and humidity
  delay(2000); // Adjust reading interval as needed
  float temp = dhtSensor.readTemperature();
  float humidity = dhtSensor.readHumidity();

  // Check if any reads failed and exit early (to avoid NaN values)
  if (isnan(temp) || isnan(humidity)) {
    Serial.println("Failed to read from DHT sensor!");
    return;
  }

  // Create HTTP client and request
  HTTPClient http;
  http.begin(googleSheetUrl);
  http.addHeader("Content-Type", "application/x-www-form-urlencoded");

  // Prepare data to send (replace with your column names)
  String data = "temperature=" + String(temp) + "&humidity=" + String(humidity);

  // Send POST request
  int httpCode = http.POST(data);

  if (httpCode > 0) {
    String payload = http.getString();
    Serial.println("Server response: " + payload);
  } else {
    Serial.print("HTTP POST request failed with error code: ");
    Serial.println(httpCode);
  }

  http.end();
}