#include <Adafruit_Sensor.h>
#include <DHT.h>
#include <DHT_U.h>
#include <LiquidCrystal_I2C.h>
#include "RTClib.h"

RTC_DS1307 rtc;
#define DHTPIN 2 // Czujnik DHT podpięty do pinu numer 2
// Można użyć także pinów 3, 4, 5, 12, 13 or 14 --
// Odkomentuj właściwy typ sensora:
//#define DHTTYPE DHT11 // DHT 11
#define DHTTYPE DHT22 // DHT 22 (AM2302)
DHT_Unified dht(DHTPIN, DHTTYPE);
uint32_t delayMS;

#define LDRPIN A3
#define DIGITALLDRPIN 3

const float GAMMA = 0.7;
const float RL10 = 50;

#define R 6
#define G 5
#define B 4



LiquidCrystal_I2C lcd(0x27, 16, 2);

bool dangerous(float temp, float humidity, float light) {
  bool tempDanger = temp > 70 || temp < -30;
  bool humidityDanger = humidity > 90 || humidity < 10;
  bool lightDanger = light > 90000 || light < 1;
  return tempDanger || humidityDanger || lightDanger;
}

bool closeToDangerous(float temp, float humidity, float light) {
  bool tempDanger = temp > 60 || temp < -20;
  bool humidityDanger = humidity > 80 || humidity < 20;
  bool lightDanger = light > 80000 || light < 10;
  return tempDanger || humidityDanger || lightDanger;
}


void setup() {
  Serial.begin(115200);
  Serial.println("Arduino Uno Wokwi Test");

  // Initialize LCD
  lcd.init();
  lcd.backlight();

  // Initialize DHT sensor
  dht.begin();

  // Print sensor details
  sensor_t sensor;
  dht.temperature().getSensor(&sensor);
  Serial.print("Temperature Sensor: ");
  Serial.print(sensor.name);
  Serial.print(" | Version: ");
  Serial.println(sensor.version);

  dht.humidity().getSensor(&sensor);
  Serial.print("Humidity Sensor: ");
  Serial.print(sensor.name);
  Serial.print(" | Version: ");
  Serial.println(sensor.version);

  // Set up pin modes
  pinMode(LDRPIN, INPUT);
  
  // Calculate minimum delay between measurements
  delayMS = sensor.min_delay / 1000;

  rtc.begin();
}

void loop() {
 // Odstęp czasowy pomiędzy pomiarami na podst. delayMS.
 delay(delayMS);
 
 // Pobierz i wyświetl wartość temperatury.
 sensors_event_t event;
 float temp;
 float humidity;
 float light;
 dht.temperature().getEvent(&event);
 temp = event.temperature;
 lcd.clear();
 lcd.setCursor(0, 0);
 lcd.print("T=");
 lcd.setCursor(2, 0);
 lcd.print(temp);
 // Pobierz i wyświetl wartość wilgotności.
 dht.humidity().getEvent(&event);
 humidity = event.relative_humidity;
 lcd.setCursor(8, 0);
 lcd.print("H=");
 lcd.setCursor(10, 0);
 lcd.print(humidity);
 lcd.setCursor(0,1);
 light = analogRead(LDRPIN);
 int analogValue = analogRead(LDRPIN);
 float voltage = analogValue / 1024. * 5;
 float resistance = 2000 * voltage / (1 - voltage / 5);
 light = pow(RL10 * 1e3 * pow(10, GAMMA) / resistance, (1 / GAMMA));
  if (digitalRead(DIGITALLDRPIN) == LOW) {
    lcd.print("Light! ");
  } else {
    lcd.print("Dark  ");
  }

 DateTime now = rtc.now();
 lcd.print(now.hour());
 lcd.print(":");
 lcd.print(now.minute());
  lcd.print(":");
 lcd.print(now.second());

  if (dangerous(temp, humidity, light)) {
    digitalWrite(R, HIGH);
    digitalWrite(G, LOW);
    digitalWrite(B, LOW);

  } else if(closeToDangerous(temp, humidity, light)) {
    digitalWrite(R, HIGH);
    digitalWrite(G, HIGH);
    digitalWrite(B, LOW);
  } else {
    digitalWrite(R, LOW);
    digitalWrite(G, HIGH);
    digitalWrite(B, LOW);
  }


}