#define led 23
#include <WiFi.h>
const float GAMMA = 0.7;
const float RL10 = 33;
#define ldrsensor 26
#define dhtpin 4
#include "DHT.h"
#define DHTTYPE DHT22
DHT dht(dhtpin, DHT22);

//Establish connection
const char* ssid = "Wokwi-GUEST";
const char* password = "";


//Declare devices
const char* server1 = "http://localhost:8369/devices/lumi/data";
const char* server2 = "http://localhost:8369/devices/temp/data";
const char* server3 = "http://localhost:8369/device/humi/data";


void setup()
{
  Serial.begin(9600);
    WiFi.begin(ssid, password);

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

    dht.begin();
  pinMode(led, OUTPUT);

}

void loop()
{
  ldr();
  dhtprocess();
  delay(500);
}


void ldr(){
int analogValue = analogRead(ldrsensor);
  float voltage = analogValue / 4096. * 3.3;
  float resistance = 2000 * voltage / (1 - voltage / 3.3);
  float lux = pow(RL10 * 1e3 * pow(10, GAMMA) / resistance, (1 / GAMMA));
  Serial.print("Room: ");
   if (lux < 300) {
    digitalWrite(led, HIGH);
    Serial.print("Light! ");
  } else {
    digitalWrite(led, LOW);
    Serial.print("Dark  ");
  }
  Serial.print("Lux: ");
  Serial.println(lux);
delay(1000);
}

void dhtprocess(){
  float humi = dht.readHumidity();
  float temp = dht.readTemperature();
  Serial.print("Temperature: ");
  Serial.print(temp);
  Serial.print("ºC ");
  Serial.print("Humidity: ");
  Serial.println(humi);
  delay(1000);

}