#define BLYNK_PRINT Serial
#define BLYNK_TEMPLATE_ID "TMPL6IifABHuy"
#define BLYNK_TEMPLATE_NAME "Quickstart Template"

#include "DHT.h"
#include <WiFi.h>
#include <WiFiClient.h>
#include <BlynkSimpleEsp32.h>

char auth[] = "BJHwRQHRccULSAqC18ML6jodDhJEwB5l"; 
char ssid[] = "Wokwi-GUEST";
char pass[] = "";
const int analogPin = 34;
int ledPins[] = {13, 12, 14, 27, 26, 25, 33, 32 ,35 ,34 };
int ledCount = 10;  // จำนวน LED

#define DHT22PIN 4
#define DHTTYPE DHT22  // สมมติว่าใช้เซ็นเซอร์ DHT22
DHT dht(DHT22PIN, DHTTYPE);

void setup() {
  Serial.begin(115200);
  Serial.println("Hello, ESP32!");

  // เริ่มต้นใช้งานเซ็นเซอร์ DHT22
  dht.begin();

  // กำหนดโหมดของ LED pins
  for (int thisLed = 0; thisLed < ledCount; thisLed++) {
    pinMode(ledPins[thisLed], OUTPUT);
  }

  // กำหนดโหมดของพิน 15 เป็นเอาต์พุต (เช่น ควบคุมรีเลย์)
  pinMode(15, OUTPUT);

  // เชื่อมต่อ WiFi และ Blynk
  Blynk.begin(auth, ssid, pass);
}

void loop() {
  Blynk.run();

  float humi = dht.readHumidity();  // Read humidity
  float temp = dht.readTemperature();  // Read temperature

  Serial.print("Temperature: ");
  Serial.print(temp);
  Serial.print("ºC ");
  Serial.print("Humidity: ");
  Serial.print(humi);
  Serial.println(" %");

  
  // Control relay or any other action based on temperature
  if (temp > 30) {
    digitalWrite(15, HIGH);  // Turn on pin 15 (or perform another action)
  } else if (temp < 25) {
    digitalWrite(15, LOW);  // Turn off pin 15 (or perform another action)
  }

  // Map temperature to control LEDs
  int ledLevel = map(temp, 20, 35, 0, ledCount);  // Map temperature range to LED count range

  // Adjust LED states based on mapped value
  for (int thisLed = 0; thisLed < ledCount; thisLed++) {
    if (thisLed < ledLevel) {
      digitalWrite(ledPins[thisLed], HIGH);  // Turn on LED up to the level of ledLevel
    } else {
      digitalWrite(ledPins[thisLed], LOW);  // Turn off LED beyond ledLevel
    }
  }

  // Send temperature and humidity to Blynk
  Blynk.virtualWrite(V1, temp);  // V1 is the Virtual Pin used for temperature in Blynk
  Blynk.virtualWrite(V2, humi);  // V2 is the Virtual Pin used for humidity in Blynk

  delay(1000);  // Delay between readings
}