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

#define DHTPIN 4        // กำหนดพินที่ต่อกับ DHT22
#define DHTTYPE DHT22

const char* ssid = "Wokwi-GUEST";    // ใส่ชื่อ WiFi ของคุณ
const char* password = "";  // ใส่รหัสผ่าน WiFi ของคุณ

const char* serverName = "http://YOUR_SERVER_IP:8000/api/temperature/";

DHT dht(DHTPIN, DHTTYPE);

void setup() {
  Serial.begin(115200);
  WiFi.begin(ssid, password);

  while (WiFi.status() != WL_CONNECTED) {
    delay(1000);
    Serial.println("Connecting to WiFi...");
  }

  Serial.println("Connected to WiFi");
  dht.begin();
}

void loop() {
  if(WiFi.status() == WL_CONNECTED) {
    HTTPClient http;
    http.begin(serverName);
    http.addHeader("Content-Type", "application/json");

    float temperature = dht.readTemperature();
    float humidity = dht.readHumidity();

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

    String jsonPayload = "{\"temperature\":" + String(temperature) + ", \"humidity\":" + String(humidity) + "}";
    int httpResponseCode = http.POST(jsonPayload);

    if (httpResponseCode > 0) {
      String response = http.getString();
      Serial.println(httpResponseCode);
      Serial.println(response);
    } else {
      Serial.print("Error on sending POST: ");
      Serial.println(httpResponseCode);
    }

    http.end();
  }

  delay(60000);  // ส่งข้อมูลทุก ๆ 60 วินาที
}