#include <WiFi.h>
#include <DHT.h>

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

#define DHT_PIN 4
#define DHT_TYPE DHT22

DHT dht(DHT_PIN, DHT_TYPE);
String mac_address = "";

void setup() {
  Serial.begin(115200);
  
  // Connect to WiFi using credentials from secret.h
  WiFi.begin(WIFI_SSID, WIFI_PASSWORD);
  Serial.print("📡 Connecting to WiFi");
  while (WiFi.status() != WL_CONNECTED) {
    delay(500);
    Serial.print(".");
  }
  Serial.println("\n✅ WiFi connected");
  Serial.print("📍 IP Address: ");
  Serial.println(WiFi.localIP());

  // Get MAC address
  mac_address = WiFi.macAddress();
  Serial.print("🔌 MAC Address: ");
  Serial.println(mac_address);
}

void loop() {
  // Read sensor data
  float humidity = dht.readHumidity();
  float temperature = dht.readTemperature();
  
  if (isnan(humidity) || isnan(temperature)) {
    Serial.println("❌ Failed to read from DHT sensor!");
    delay(2000);
    return;
  }

  Serial.print("Humidity: ");
  Serial.println(humidity);
  Serial.print("Temperature: ");
  Serial.println(temperature);
  Serial.println();
}