#include "RTClib.h"
RTC_DS1307 rtc;
char daysOfTheWeek[7][12] = {"Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"};

#include <LiquidCrystal_I2C.h>

#define I2C_ADDR    0x27
#define LCD_COLUMNS 16
#define LCD_LINES   2
LiquidCrystal_I2C lcd(I2C_ADDR, LCD_COLUMNS, LCD_LINES);

#include "DHTesp.h"
const int DHT_PIN = 12;
DHTesp dhtSensor;

#define S0 14
#define S1 27

void setup () {
  Serial.begin(115200);
   // Init
  lcd.init();
  lcd.backlight();

  // Print something
  lcd.setCursor(3, 0);
  lcd.print("Hello, world!");
  lcd.setCursor(2, 1);
  lcd.print("Wokwi Online IoT");
  lcd.setCursor(5, 2);
  lcd.print("Simulator");
  lcd.setCursor(7, 3);
  lcd.print("Enjoy!");
  lcd.clear();

  if (! rtc.begin()) {
    Serial.println("Couldn't find RTC");
    Serial.flush();
    abort();
  }
  dhtSensor.setup(DHT_PIN, DHTesp::DHT22);
  pinMode(S0,INPUT);
  pinMode(S1,INPUT);
}

void loop () {
  int SW0 = digitalRead(S0);
  int SW1 = digitalRead(S1);
  if ((SW0 and SW1)==0)
    tiempo();
  if ((SW0 ==0 and SW1==1))
    temperatura(); 
  if ((SW0==1 and SW1==0))
    humedad();
}

void tiempo() {
  DateTime now = rtc.now();
  Serial.print("Current time: ");
  Serial.print(now.year(), DEC);
  Serial.print('/');
  int year=now.year();
  lcd.setCursor(3,0);
  lcd.print(year);
  lcd.print("/");
  Serial.print(now.month(), DEC);
  Serial.print('/');
  int month=now.month();
  lcd.print(month);
  lcd.print('/');
  Serial.print(now.day(), DEC);
  int day=now.day();
  lcd.print(day);
  Serial.print(" (");
  Serial.print(daysOfTheWeek[now.dayOfTheWeek()]);
  Serial.print(") ");
  Serial.print(now.hour(), DEC);
  Serial.print(':');
  lcd.setCursor(4,1);
  int hour=now.hour();
  lcd.print(hour);
  lcd.print(':');
  Serial.print(now.minute(), DEC);
  int minute=now.minute();
  lcd.print(minute);
  lcd.print(':');
  Serial.print(':');
  Serial.print(now.second(), DEC);
  Serial.println();
  Serial.println();
  int second=now.second();
  lcd.print(second);
  delay(1000);
}

void humedad () {
  TempAndHumidity  data = dhtSensor.getTempAndHumidity();
  float humedad = data.humidity;
  Serial.println("Humidity: " + String(humedad) + "%");
  Serial.println("---");
  lcd.clear();
  lcd.setCursor(5,0);
  lcd.print("Humedad");
  lcd.setCursor(6,1);
  lcd.print(humedad);
  delay(2000); // Wait for a new reading from the sensor (DHT22 has ~0.5Hz sample rate)
}

void temperatura () {
  TempAndHumidity  data = dhtSensor.getTempAndHumidity();
  float temperatura = data.temperature;
  Serial.println("Temp: " + String(temperatura) + "°C");
  Serial.println("---");
  lcd.clear();
  lcd.setCursor(3,0);
  lcd.print("Temperatura");
  lcd.setCursor(6,1);
  lcd.print(temperatura);
  delay(2000); // Wait for a new reading from the sensor (DHT22 has ~0.5Hz sample rate)
}