#include <LiquidCrystal.h>

byte sun1[8] = { B00000, B00100, B01110, B11111, B01110, B00100, B00000, B00000 };
byte temp1[8] = { B00100, B00100, B00100, B00100, B00100, B01110, B01110, B01110 };
byte rain1[8] = { B00000, B00100, B01110, B11111, B00100, B00100, B10100, B01000 };
byte sadFace1[8] = { B00000, B00000, B01010, B00000, B01110, B10001, B00000, B00000 };
byte happyFace1[8] = { B00000, B00000, B01010, B00000, B10001, B01110, B00000, B00000 };
byte midFace1[8] = { B00000, B00000, B01010, B00000, B00000, B01110, B00000, B00000 };

#include <DHT.h>

#define DHTPIN 11
#define DHTTYPE DHT22
DHT dht(DHTPIN, DHTTYPE);

float hum;
float temp;

LiquidCrystal lcd(12, 10, 9, 7, 6, 5);

int ldrPin = A0; 
int ldrVal;
int intensidadeLuz; 
int redPin = 13; 
int yellowPin = 8; 
int greenPin = 4;
int buzzer = 2; 

void setup() { 
  Serial.begin(9600); 
  pinMode(redPin, OUTPUT); 
  pinMode(yellowPin, OUTPUT); 
  pinMode(greenPin, OUTPUT); 
  pinMode (buzzer, OUTPUT); 
  
  dht.begin();

  lcd.begin(16,2);              
  lcd.clear();                  
  lcd.setCursor(5,0);           
  lcd.print("Arduino");    
  lcd.setCursor(5,1);           
  lcd.print("Boys ;)");
  
  delay(5000);
  lcd.clear();

  lcd.createChar(0, sun1);
  lcd.createChar(1, temp1);
  lcd.createChar(2, rain1);
  lcd.createChar(3, sadFace1);
  lcd.createChar(4, happyFace1);
  lcd.createChar(5, midFace1);
}

void loop() {

  float mediaLuz = 0;
  float mediaTemp = 0;
  float mediaHum = 0;

  for(int i = 0; i < 10; i++) {
    ldrVal = analogRead(ldrPin);
    intensidadeLuz = map(ldrVal, 969, 49, 0, 100);
    mediaLuz += intensidadeLuz;
    
    hum = dht.readHumidity();
    temp = dht.readTemperature();
    
    mediaTemp += temp;
    mediaHum += hum;
    delay(500);
  }

  intensidadeLuz = mediaLuz / 10;
  temp = mediaTemp / 10;
  hum = mediaHum / 10;

  digitalWrite(greenPin, LOW);
  digitalWrite(yellowPin, LOW);
  digitalWrite(redPin, LOW);
  noTone(buzzer);
  Serial.print("luminosidade: ");
  Serial.print(intensidadeLuz);
  Serial.println(" %");

  Serial.print("temp: ");
  Serial.print(temp);
  Serial.println(" C");

  Serial.print("humidity: ");
  Serial.print(hum);
  Serial.println(" %");
  Serial.println("-----------------");

  delay(500);
  
  if (intensidadeLuz < 50 && hum > 50 && hum < 70 && temp > 10 && temp < 15) {
    digitalWrite(greenPin, HIGH);
    digitalWrite(yellowPin, LOW);
    digitalWrite(redPin, LOW);
    delay(300);
  }

  if ((intensidadeLuz > 75 && intensidadeLuz < 104) || hum > 70 || temp > 15) {
    digitalWrite(redPin, HIGH);
    digitalWrite(yellowPin, LOW);
    digitalWrite(greenPin, LOW);
    tone(buzzer,200,3000);
    delay(3000);
    noTone(buzzer);
    delay(1000);
  }

  if ((intensidadeLuz > 50 && intensidadeLuz < 75) || hum < 50 || temp < 10) {
    digitalWrite(yellowPin, HIGH);
    digitalWrite(greenPin, LOW);
    digitalWrite(redPin, LOW);
    delay(300);
    tone(buzzer,800,3000);
    delay(3000);
    noTone(buzzer);
    delay(1000);
  }

  lcd.noDisplay();
  delay(500);
  lcd.display();
  lcd.setCursor(3, 0);  
  lcd.write(byte(0));
  lcd.setCursor(7, 0);  
  lcd.write(byte(1));
  lcd.setCursor(12, 0);  
  lcd.write(byte(2));

  delay(2000);
  
  if (intensidadeLuz < 50) {
    lcd.setCursor(3, 1);
    lcd.write(byte(4));
  } else if (intensidadeLuz > 50 && intensidadeLuz < 75) {
    lcd.setCursor(3, 1);
    lcd.write(byte(5));
  } else if (intensidadeLuz > 75) {
    lcd.setCursor(3, 1);
    lcd.write(byte(3));
  }

  if (hum < 50) {
    lcd.setCursor(12, 1);
    lcd.write(byte(5));
  } else if (hum > 50 && hum < 70) {
    lcd.setCursor(12, 1);
    lcd.write(byte(4));
  } else if (hum > 70) {
    lcd.setCursor(12, 1);
    lcd.write(byte(3));
  }

  if (temp < 10) {
    lcd.setCursor(7, 1);
    lcd.write(byte(5));
  } else if (temp > 10 && temp < 15) {
    lcd.setCursor(7, 1);
    lcd.write(byte(4));
  } else if (temp > 15) {
    lcd.setCursor(7, 1);
    lcd.write(byte(3));
  }

delay(1500);

}