// Info Fat 1
char name1[]="1 - Bohemen";
char type1[]="Pilsner";
char abv1[]="5,9%";
char litertext[]="Liter igjen";
char fattext[]="Fat-dato: 01.01.2001";

char name2[]="2 - Flamingofest";
char type2[]="American IPA";
char abv2[]="6,0%";
char fattext2[]="Fat-dato: 01.01.1974";

char rensdate1[]="1-Renset 12.12.2012";
char rensdate2[]="1-Renset 12.12.2022";
char co2date[]= "Ny Co2   03.03.2003";


#include <LiquidCrystal.h>
#include <HX711.h>
#include <OneWire.h>
#include <DallasTemperature.h>



#define ONE_WIRE_BUS 8
OneWire oneWire(ONE_WIRE_BUS);
DallasTemperature sensors(&oneWire);

int inPin = 2;         // the number of the input pin
int outPin = 13;       // the number of the output pin




//Vekt
#define CLK1        A1                                       // connections for the Weight sensors
#define DOUT1       A0
#define CLK2        A3
#define DOUT2       A2

#define zero_factor_1           0              // scale 1 offset. This value is obtained by using the Calibration sketch
#define zero_factor_2           0                     // scale 2 offset. This value is obtained by using the Calibration sketch
#define calibration_factor_1    2125                  // Calibration factor, This value is obtained using the Calibration sketch
#define calibration_factor_2    2125

HX711 scale1;                                                      // get an instance
HX711 scale2;                                                      // get another instance 

#define Keg1_Weight    4.33                                  // empty keg 1 weight     ************************TO  DO *********************************
#define Keg2_Weight    4.88                                  // empty keg 2 weight

//Button
int state = HIGH;      // the current state of the output pin
int reading;           // the current reading from the input pin
int previous = LOW;    // the previous reading from the input pin
unsigned long time = 0;           // the last time the output pin was toggled
unsigned long debounce = 200UL;   // the debounce time, increase if the output flickers
int textState;

//Screen
const int rs = 12, en = 3, d4 = 4, d5 = 5, d6 = 6, d7 = 7;
LiquidCrystal lcd(rs, en, d4, d5, d6, d7);

void ScreenDraw1(){
    lcd.begin(20, 4);
  lcd.setCursor(04, 0);
      lcd.print("FLORENVEIEN");
          lcd.setCursor(05, 1);
      lcd.print("BRYGGERIER");

      lcd.setCursor(02, 3);
      lcd.print("Temperatur");
      lcd.setCursor(14, 3);
      lcd.print(sensors.getTempCByIndex(0));
delay(3500);
lcd.clear();
                lcd.setCursor(02, 0);
      lcd.print("Trykk og hold for");
      lcd.setCursor(01, 1);
      lcd.print("oversikt over dato");
      lcd.setCursor(03, 2);
      lcd.print("for siste rens");
}

void screenDraw2(){
   lcd.begin(20, 4);
      lcd.print(name1);
  lcd.setCursor(0, 1);
    lcd.print(type1);
    lcd.setCursor(15, 1);
  lcd.print(abv1);
      lcd.setCursor(0, 2);
  lcd.print(litertext);
        lcd.setCursor(0, 3);
  lcd.print(fattext);
}


void screenDraw3(){
   lcd.begin(20, 4);
      lcd.print(name2);
  lcd.setCursor(0, 1);
    lcd.print(type2);
    lcd.setCursor(15, 1);
  lcd.print(abv2);
      lcd.setCursor(0, 2);
  lcd.print(litertext);
          lcd.setCursor(0, 3);
  lcd.print(fattext2);
}

void screenDraw4(){
   lcd.begin(20, 4);
      lcd.print(rensdate1);
       lcd.setCursor(0, 1);
    lcd.print(rensdate2);
           lcd.setCursor(0, 3);
    lcd.print(co2date);
  
}

void setup()
{sensors.begin();
  sensors.requestTemperatures();

  pinMode(inPin,  INPUT);
  pinMode(outPin, OUTPUT);

   scale1.begin(DOUT1, CLK1);
   scale2.begin(DOUT2, CLK2);
   
   scale1.set_scale(calibration_factor_1);               // This value is obtained by using the Calibration sketch
   scale2.set_scale(calibration_factor_2);               // NO Tare in case of power failure or reset
   
   scale1.set_offset(zero_factor_1);
   scale2.set_offset(zero_factor_2);


ScreenDraw1();    
 delay(3000);

  reading = digitalRead(inPin);

  // if the input just went from LOW and HIGH and we've waited long enough
  // to ignore any noise on the circuit, toggle the output pin and remember
  // the time
  if (reading == HIGH)
  {
    
      screenDraw4();
    delay(7000);
    
  }
 
 screenDraw2();

reading = HIGH;
   textState=HIGH;

}

void loop()
{
  reading = digitalRead(inPin);

  // if the input just went from LOW and HIGH and we've waited long enough
  // to ignore any noise on the circuit, toggle the output pin and remember
  // the time
  if (reading == HIGH && previous == LOW && millis() - time > debounce)
  {
    if (state == HIGH){
      state = LOW;
      textState=LOW;
    }
    else{
      state = HIGH;
      textState=HIGH;
    }
    time = millis();
  }

  digitalWrite(outPin, state);

  if (textState == HIGH){
       
    if (previous != reading){
// set up the LCD's number of columns and rows:
screenDraw2();
  

   
}
  lcd.setCursor(15, 2);
   lcd.print(scale1.get_units() - Keg1_Weight, 1);
    
   }

  else{
     if (previous != reading){  
       
   screenDraw3();}
      lcd.setCursor(15, 2);
    lcd.print(scale2.get_units() - Keg2_Weight, 1);  
}

  previous = reading;
}