#define BLYNK_TEMPLATE_ID "TMPL6oRZgcJcl"
#define BLYNK_TEMPLATE_NAME "Weather Station to Wokwi"
#define BLYNK_AUTH_TOKEN "vMSXcddSk4uFNT6GDBlVjivhyB8zGDec"

#include <WiFi.h>
#include <BlynkSimpleEsp32.h>
#include <DHT.h>
#include <Wire.h>
#include <Adafruit_Sensor.h>
#include <Adafruit_BMP085_U.h>

char ssid[] = "Wokwi-GUEST";
char pass[] = "";

#define DHTPIN 25
#define DHTTYPE DHT21 
DHT dht(DHTPIN, DHTTYPE);

// กำหนดขาสำหรับไฟ LED ตามภาพ (Pin 26, 27, 14)
#define LED_ORANGE 26
#define LED_BLUE   27
#define LED_RED    14

Adafruit_BMP085_Unified bmp = Adafruit_BMP085_Unified(10085);

BlynkTimer timer;

// ฟังก์ชันควบคุมไฟจากปุ่มใน Blynk
BLYNK_WRITE(V5) { // ปุ่มส้ม
  digitalWrite(LED_ORANGE, param.asInt());
}

BLYNK_WRITE(V6) { // ปุ่มน้ำเงิน
  digitalWrite(LED_BLUE, param.asInt());
}

BLYNK_WRITE(V7) { // ปุ่มแดง
  digitalWrite(LED_RED, param.asInt());
}

void sendSensorData() {
  float h = dht.readHumidity();
  float t = dht.readTemperature();
  sensors_event_t event;
  bmp.getEvent(&event);
  float p = 0; 
  float a = 0;
  
  if (event.pressure) {
    p = event.pressure;
    a = bmp.pressureToAltitude(1013.25, p); 
  }

  if (!isnan(h) && !isnan(t)) {
    Blynk.virtualWrite(V0, t);
    Blynk.virtualWrite(V1, h);
  }
  Blynk.virtualWrite(V4, p);
  Blynk.virtualWrite(V3, a);

  // --- เพิ่มบรรทัดนี้กลับเข้าไป ---
  Serial.printf("T:%.2f H:%.2f P:%.2f A:%.2f\n", t, h, p, a);
}

void setup() {
  Serial.begin(115200);
  
  // ตั้งค่าขา LED เป็น OUTPUT
  pinMode(LED_ORANGE, OUTPUT);
  pinMode(LED_BLUE, OUTPUT);
  pinMode(LED_RED, OUTPUT);
  
  dht.begin();
  if (!bmp.begin()) {
    Serial.println("Could not find BMP180 sensor!");
  }
  
  Blynk.begin(BLYNK_AUTH_TOKEN, ssid, pass);
  timer.setInterval(5000L, sendSensorData);
}

void loop() {
  Blynk.run();
  timer.run();
}