#include <OneWire.h>
#include <DallasTemperature.h>
#include <Wire.h>
#include <LiquidCrystal_I2C.h>
#include <SoftwareSerial.h>
#include <DHT.h>

int entrancePin = 7;
int exitPin = 4;    
int beeCount = 10;    // Counter for bee movements. Assume bee total number is 10

#define DHTPIN 2
#define DHTTYPE DHT22

DHT dht(DHTPIN, DHTTYPE);

#define HUMIDITY_SENSOR_PIN A0

const int LED_PIN = 13;
const int BUZZER_PIN = 8;

LiquidCrystal_I2C lcd(0x27, 16, 2);
SoftwareSerial bluetooth(10, 11);

void setup() {
  Serial.begin(9600); //for debugging
  lcd.init();
  lcd.backlight();

  pinMode(entrancePin, INPUT);
  pinMode(exitPin, INPUT);

  bluetooth.begin(9600);

  dht.begin();

  pinMode(HUMIDITY_SENSOR_PIN, INPUT);
  pinMode(LED_PIN, OUTPUT);
  pinMode(BUZZER_PIN, OUTPUT);

  delay(1000);
}

void loop() {
  float temperatureC = dht.readTemperature();
  int humidityLevel = dht.readHumidity();
  int moistureLevel = readHumidity();


  if (digitalRead(entrancePin) == HIGH) { //check if bee entered
    beeCount++;
    Serial.print("Bee entered. Count: "); //for debugging change to BT
    Serial.println(beeCount); //for debugging change to BT
    delay(1000);
  }
  if (digitalRead(exitPin) == HIGH) { //check if bee exited
    beeCount--;
    Serial.print("Bee exited. Count: "); //for debugging change to BT
    Serial.println(beeCount); //for debugging change to BT
    delay(1000);
  }

  lcd.setCursor(0, 0);
  lcd.print("Temps:");
  lcd.setCursor(7, 0);
  lcd.print(temperatureC);
  lcd.print(" C");
  lcd.setCursor(0, 1);
  lcd.print("Humidity:");
  lcd.setCursor(10, 1);
  lcd.print(humidityLevel);
  lcd.print("%");
  lcd.setCursor(0, 2);
  lcd.print("Moisture:");
  lcd.setCursor(10, 2);
  lcd.print(moistureLevel);

  if(humidityLevel > 60){
    bluetooth.println("Humidity level above 60%");
    Serial.println("Humidity level above 60%"); //for debugging 
    blinkLED();
    buzzerOn();
    }else if(humidityLevel < 50){
    bluetooth.println("Humidity level below 50%");
    Serial.println("Humidity level below 50%"); //for debugging
    blinkLED();
    buzzerOn();
  }


  if (temperatureC > 40) {
    bluetooth.println("Temperature is above 40 degrees Celsius");
    Serial.println("Temperature is above 40 degrees Celsius"); //for debugging
    blinkLED();
    buzzerOn();
  }else if(temperatureC < 10){
    bluetooth.println("Temperature is below 10 degrees Celsius");
    Serial.println("Temperature is below 10 degrees Celsius"); //for debugging
    blinkLED();
    buzzerOn();
  }

  delay(1000);
}

void blinkLED() {
  digitalWrite(LED_PIN, HIGH);
  delay(500);
  digitalWrite(LED_PIN, LOW);
  delay(500);
}

void buzzerOn() {
  digitalWrite(BUZZER_PIN, HIGH);
  delay(1000);
  digitalWrite(BUZZER_PIN, LOW);
  delay(1000);
}

int readHumidity() {
  int humidityVal = analogRead(HUMIDITY_SENSOR_PIN);
  return humidityVal;
}