#define BLYNK_PRINT Serial
#define BLYNK_TEMPLATE_ID "TMPL61yrVpNUK"
#define BLYNK_TEMPLATE_NAME "dht22"
#define BLYNK_AUTH_TOKEN "vKaWdAqCtW8cS9XygUdLMfRXScmURl3t"

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

const int DHT_PIN = 12;
DHTesp dhtSensor;
const int LDR_PIN = 35;
const float GAMMA = 0.7;
const float RL10 = 50;

char auth[] = "vKaWdAqCtW8cS9XygUdLMfRXScmURl3t";
char ssid[] = "Wokwi-GUEST";
char pass[] = "";

BlynkTimer timer;

void setup() {
  Serial.begin(115200);
  dhtSensor.setup(DHT_PIN, DHTesp::DHT22);
  Blynk.begin(auth,ssid,pass);
}

void loop() {
  TempAndHumidity  data = dhtSensor.getTempAndHumidity();
  int analogValue = analogRead(LDR_PIN);
  float voltage = analogValue * 5/4095.0;
  float resistance = 2000 * voltage / (1 - voltage / 5);
  float lux = pow(RL10 * 1e3 * pow(10, GAMMA) / resistance, (1 / GAMMA));
  Serial.print("Lux: ");
  Serial.println(lux);
  Blynk.virtualWrite(V1, lux);
  Serial.println("Temp: " + String(data.temperature, 2) + "°C");
  Serial.println("Humidity: " + String(data.humidity, 1) + "%");
  Serial.println("---");
  Blynk.virtualWrite(V0, data.temperature);
  Blynk.virtualWrite(V10, data.temperature);
  Blynk.virtualWrite(V4, data.humidity);
  Blynk.virtualWrite(V3, data.humidity);
  delay(1000); // Wait for a new reading from the sensor (DHT22 has ~0.5Hz sample rate)
  Blynk.run();
  timer.run();
}