#include <Wire.h>
#include <LiquidCrystal_I2C.h>
#include <Encoder.h>
#include <HX711.h>
//alles voor de weegschaal
const int doutPin = A0;  // Pin waar de DOUT-pin van de HX711 is aangesloten
const int sckPin = A1;   // Pin waar de SCK-pin van de HX711 is aangesloten

const int relayPins[] = {2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 44, 45, 46};  // Pinnen voor de 15 mosfets
int encoderValue;
long int gewichtInGrammen;
HX711 schaal;

int desired_weight = 1000;  // bijvoorbeeld, gewenst gewicht in gram of ml
//1ml =+-1gr 1cl=+-100gr

float kalibratiefactor = 0.42;//moet eerst eens kalibaratie programma uitvoeren
float gewichtGlas = 100.0;  // Gewicht van het glas in grammen
//lcd en encoder
LiquidCrystal_I2C lcd(0x27, 20, 4);  // Adres van het LCD-scherm: 0x27, aantal kolommen: 16, aantal rijen: 2
Encoder myEncoder(24, 23);  // Aansluitingen van de rotary encoder: CLK = 24, DT = 23
const int buttonPin = 22;   // Pin voor de knop op de rotary encoder

int selectedOption = 1;

// Definieer de namen van elke optie
String optionNames[] = {"vb_alles", "cola", "vodka-redbull", "water", "fanta","optie 1","optie 2","optie 3","optie 4","optie 5","optie 6","optie 7"};//aanvullen met opties

void setup() {
  Serial.begin(9600);
    //weegschaal opstarten
  schaal.begin(doutPin, sckPin);
  
  for (int i = 0; i < 15; i++) {//relais uitzetten
    pinMode(relayPins[i], OUTPUT);
    digitalWrite(relayPins[i], LOW);  // Zet alle relais uit bij het opstarten
  }
  //lcd begin
  lcd.init(); //initialize the lcd
  lcd.backlight(); //open the backlight 
  lcd.begin(20, 4);
  lcd.print("kies drankje:");
  lcd.setCursor(0, 1);


  pinMode(buttonPin, INPUT_PULLUP);  // Interne pull-up voor de knop
  lcd.setCursor(0, 3);
  lcd.print("plaats uw glas");
  lcd.setCursor(0, 1);

}
void weeg(){
if (schaal.is_ready()) {
    long rawValue = schaal.read();
    float gewicht = (rawValue / kalibratiefactor) - gewichtGlas;
    
    Serial.print("Gewicht: ");
    Serial.print(gewicht);
    Serial.println(" gram");

    // Relais logica met switch case
    gewichtInGrammen = int(gewicht);
} else {
    Serial.println("HX711 niet klaar");
  }
}
void alles_uit(){
  digitalWrite(2, LOW);
  digitalWrite(3, LOW);
  digitalWrite(4, LOW);
  digitalWrite(5, LOW);
  digitalWrite(6, LOW);
  digitalWrite(7, LOW);
  digitalWrite(8, LOW);
  digitalWrite(9, LOW);
  digitalWrite(10, LOW);
  digitalWrite(11, LOW);
  digitalWrite(12, LOW);
  digitalWrite(13, LOW);
  digitalWrite(44, LOW);
  digitalWrite(45, LOW);
  digitalWrite(46, LOW);

}
void drank1_mosfet(){
  digitalWrite(2, HIGH);
  digitalWrite(3, LOW);
  digitalWrite(4, LOW);
  digitalWrite(5, LOW);
  digitalWrite(6, LOW);
  digitalWrite(7, LOW);
  digitalWrite(8, LOW);
  digitalWrite(9, LOW);
  digitalWrite(10, LOW);
  digitalWrite(11, LOW);
  digitalWrite(12, LOW);
  digitalWrite(13, LOW);
  digitalWrite(44, LOW);
  digitalWrite(45, LOW);
  digitalWrite(46, LOW);
}
void drank2_mosfet(){
  digitalWrite(2, LOW);
  digitalWrite(3, HIGH);
  digitalWrite(4, LOW);
  digitalWrite(5, LOW);
  digitalWrite(6, LOW);
  digitalWrite(7, LOW);
  digitalWrite(8, LOW);
  digitalWrite(9, LOW);
  digitalWrite(10, LOW);
  digitalWrite(11, LOW);
  digitalWrite(12, LOW);
  digitalWrite(13, LOW);
  digitalWrite(44, LOW);
  digitalWrite(45, LOW);
  digitalWrite(46, LOW);
}
void drank3_mosfet(){
  digitalWrite(2, LOW);
  digitalWrite(3, LOW);
  digitalWrite(4, HIGH);
  digitalWrite(5, LOW);
  digitalWrite(6, LOW);
  digitalWrite(7, LOW);
  digitalWrite(8, LOW);
  digitalWrite(9, LOW);
  digitalWrite(10, LOW);
  digitalWrite(11, LOW);
  digitalWrite(12, LOW);
  digitalWrite(13, LOW);
  digitalWrite(44, LOW);
  digitalWrite(45, LOW);
  digitalWrite(46, LOW);
}
void drank4_mosfet(){
  digitalWrite(2, LOW);
  digitalWrite(3, LOW);
  digitalWrite(4, LOW);
  digitalWrite(5, HIGH);
  digitalWrite(6, LOW);
  digitalWrite(7, LOW);
  digitalWrite(8, LOW);
  digitalWrite(9, LOW);
  digitalWrite(10, LOW);
  digitalWrite(11, LOW);
  digitalWrite(12, LOW);
  digitalWrite(13, LOW);
  digitalWrite(44, LOW);
  digitalWrite(45, LOW);
  digitalWrite(46, LOW);
}
void drank5_mosfet(){
  digitalWrite(2, LOW);
  digitalWrite(3, LOW);
  digitalWrite(4, LOW);
  digitalWrite(5, LOW);
  digitalWrite(6, HIGH);
  digitalWrite(7, LOW);
  digitalWrite(8, LOW);
  digitalWrite(9, LOW);
  digitalWrite(10, LOW);
  digitalWrite(11, LOW);
  digitalWrite(12, LOW);
  digitalWrite(13, LOW);
  digitalWrite(44, LOW);
  digitalWrite(45, LOW);
  digitalWrite(46, LOW);
}
void drank6_mosfet(){
  digitalWrite(2, LOW);
  digitalWrite(3, LOW);
  digitalWrite(4, LOW);
  digitalWrite(5, LOW);
  digitalWrite(6, LOW);
  digitalWrite(7, HIGH);
  digitalWrite(8, LOW);
  digitalWrite(9, LOW);
  digitalWrite(10, LOW);
  digitalWrite(11, LOW);
  digitalWrite(12, LOW);
  digitalWrite(13, LOW);
  digitalWrite(44, LOW);
  digitalWrite(45, LOW);
  digitalWrite(46, LOW);
}
void drank7_mosfet(){
  digitalWrite(2, LOW);
  digitalWrite(3, LOW);
  digitalWrite(4, LOW);
  digitalWrite(5, LOW);
  digitalWrite(6, LOW);
  digitalWrite(7, LOW);
  digitalWrite(8, HIGH);
  digitalWrite(9, LOW);
  digitalWrite(10, LOW);
  digitalWrite(11, LOW);
  digitalWrite(12, LOW);
  digitalWrite(13, LOW);
  digitalWrite(44, LOW);
  digitalWrite(45, LOW);
  digitalWrite(46, LOW);
}
void drank8_mosfet(){
  digitalWrite(2, LOW);
  digitalWrite(3, LOW);
  digitalWrite(4, LOW);
  digitalWrite(5, LOW);
  digitalWrite(6, LOW);
  digitalWrite(7, LOW);
  digitalWrite(8, LOW);
  digitalWrite(9, HIGH);
  digitalWrite(10, LOW);
  digitalWrite(11, LOW);
  digitalWrite(12, LOW);
  digitalWrite(13, LOW);
  digitalWrite(44, LOW);
  digitalWrite(45, LOW);
  digitalWrite(46, LOW);
}
void drank9_mosfet(){
  digitalWrite(2, LOW);
  digitalWrite(3, LOW);
  digitalWrite(4, LOW);
  digitalWrite(5, LOW);
  digitalWrite(6, LOW);
  digitalWrite(7, LOW);
  digitalWrite(8, LOW);
  digitalWrite(9, LOW);
  digitalWrite(10, HIGH);
  digitalWrite(11, LOW);
  digitalWrite(12, LOW);
  digitalWrite(13, LOW);
  digitalWrite(44, LOW);
  digitalWrite(45, LOW);
  digitalWrite(46, LOW);
}
void drank10_mosfet(){
  digitalWrite(2, LOW);
  digitalWrite(3, LOW);
  digitalWrite(4, LOW);
  digitalWrite(5, LOW);
  digitalWrite(6, LOW);
  digitalWrite(7, LOW);
  digitalWrite(8, LOW);
  digitalWrite(9, LOW);
  digitalWrite(10, LOW);
  digitalWrite(11, HIGH);
  digitalWrite(12, LOW);
  digitalWrite(13, LOW);
  digitalWrite(44, LOW);
  digitalWrite(45, LOW);
  digitalWrite(46, LOW);
}
void drank11_mosfet(){
  digitalWrite(2, LOW);
  digitalWrite(3, LOW);
  digitalWrite(4, LOW);
  digitalWrite(5, LOW);
  digitalWrite(6, LOW);
  digitalWrite(7, LOW);
  digitalWrite(8, LOW);
  digitalWrite(9, LOW);
  digitalWrite(10, LOW);
  digitalWrite(11, LOW);
  digitalWrite(12, HIGH);
  digitalWrite(13, LOW);
  digitalWrite(44, LOW);
  digitalWrite(45, LOW);
  digitalWrite(46, LOW);
}
void drank12_mosfet(){
  digitalWrite(2, LOW);
  digitalWrite(3, LOW);
  digitalWrite(4, LOW);
  digitalWrite(5, LOW);
  digitalWrite(6, LOW);
  digitalWrite(7, LOW);
  digitalWrite(8, LOW);
  digitalWrite(9, LOW);
  digitalWrite(10, LOW);
  digitalWrite(11, LOW);
  digitalWrite(12, LOW);
  digitalWrite(13, HIGH);
  digitalWrite(44, LOW);
  digitalWrite(45, LOW);
  digitalWrite(46, LOW);
}
void drank13_mosfet(){
  digitalWrite(2, LOW);
  digitalWrite(3, LOW);
  digitalWrite(4, LOW);
  digitalWrite(5, LOW);
  digitalWrite(6, LOW);
  digitalWrite(7, LOW);
  digitalWrite(8, LOW);
  digitalWrite(9, LOW);
  digitalWrite(10, LOW);
  digitalWrite(11, LOW);
  digitalWrite(12, LOW);
  digitalWrite(13, LOW);
  digitalWrite(44, HIGH);
  digitalWrite(45, LOW);
  digitalWrite(46, LOW);
}
void drank14_mosfet(){
  digitalWrite(2, LOW);
  digitalWrite(3, LOW);
  digitalWrite(4, LOW);
  digitalWrite(5, LOW);
  digitalWrite(6, LOW);
  digitalWrite(7, LOW);
  digitalWrite(8, LOW);
  digitalWrite(9, LOW);
  digitalWrite(10, LOW);
  digitalWrite(11, LOW);
  digitalWrite(12, LOW);
  digitalWrite(13, LOW);
  digitalWrite(44, LOW);
  digitalWrite(45, HIGH);
  digitalWrite(46, LOW);
}
void drank15_mosfet(){
  digitalWrite(2, LOW);
  digitalWrite(3, LOW);
  digitalWrite(4, LOW);
  digitalWrite(5, LOW);
  digitalWrite(6, LOW);
  digitalWrite(7, LOW);
  digitalWrite(8, LOW);
  digitalWrite(9, LOW);
  digitalWrite(10, LOW);
  digitalWrite(11, LOW);
  digitalWrite(12, LOW);
  digitalWrite(13, LOW);
  digitalWrite(44, LOW);
  digitalWrite(45, LOW);
  digitalWrite(46, HIGH);//254
}



void loop() {
  encoderValue = myEncoder.read() / 4;
  encoderValue = constrain(encoderValue, 1, 12);  // Aantal opties laatste getal ALLEEN aanpassen

  if (encoderValue != selectedOption) {
    lcd.setCursor(0, 1);
    lcd.print("                "); // Zet spaties om de bestaande tekst te wissen
    selectedOption = encoderValue;
    lcd.setCursor(0, 1);
    lcd.print(optionNames[selectedOption - 1]); // Aangezien arrays bij 0 beginnen
    //lcd.setCursor(0, 2);
    //lcd.print("                   "); 
    //lcd.setCursor(0, 2);
    //lcd.print(ingredienten[selectedOption - 1]); // Aangezien arrays bij 0 beginnen
  }

  if (digitalRead(buttonPin) == LOW) {  // Lees de knopstatus met pull-up
    executeAction(selectedOption);
    delay(500);  // Voorkom meerdere kliks
  }
 
}


void executeAction(int option) {
  weeg();
  long rawValue = schaal.read();
gewichtGlas = (rawValue/kalibratiefactor);
Serial.println(gewichtGlas);
  delay(160);  // Wacht 1 seconde voordat de volgende meting wordt uitgevoerd aanpassen per 80ms(aanpassen indien nodig)
  lcd.clear();
  lcd.print(optionNames[option - 1]);
  lcd.setCursor(0,1);
  lcd.print("word uitgevoerd");
  while (gewichtInGrammen < desired_weight) {
    weeg();
    delay(160);//delay kun je aanpassen per 80ms best
    switch (option) {
      case 1:  //te lang mms loopt mis bij hoger geiwht
        desired_weight = 1500; //gewenste gewicht van de mix
        switch (gewichtInGrammen) {// code voor drank te vullen met 100gr van elk soort
          case 0 ... 99: //tot welk gewicht moet hij vullen
            drank1_mosfet();//zet de 1 pomp voor drank aan
            break;
          case 100 ... 199:
            drank2_mosfet();
            break;
          case 200 ... 299:
            drank3_mosfet();
            break;
          case 300 ... 399:
            drank4_mosfet();
            break;
          case 400 ... 499:
            drank5_mosfet();
            break;
          case 500 ... 599:
            drank6_mosfet();
            break;
          case 600 ... 699:
            drank7_mosfet();
            break;
          case 700 ... 799:
            drank8_mosfet();
            break;
          case 800 ... 899:
            drank9_mosfet();
            break;
          case 900 ... 999:
            drank10_mosfet();
            break;
          case 1000 ... 1099:
            drank11_mosfet();
            break;
          case 1100 ... 1199:
            drank12_mosfet();
            break;
          case 1200 ... 1299:
            drank13_mosfet();
            break;
          case 1300 ... 1399:
            drank14_mosfet();
            break;
          case 1400 ... 1499:
            drank15_mosfet();
            break;
          default:
            digitalWrite(relayPins[0], LOW);  // Schakel relais 1 uit als het gewicht minder dan 100 gram is
            alles_uit();
            break;
        }
        break;
      case 2:
        desired_weight = 300; //gewenste gewicht van de mix (gr)
        switch (gewichtInGrammen) {// code voor drank te vullen met 100gr van elk soort
          case 0 ... 60: //tot welk gewicht moet hij vullen
            drank1_mosfet();//zet de 1 pomp voor drank aan
            break;
          case 61 ... 300:
            drank2_mosfet();
            break;
          default:
            digitalWrite(relayPins[0], LOW);  // Schakel relais 1 uit als het gewicht minder dan 100 gram is
            alles_uit();
            break;
        }
        break;
    // Voeg hier extra cases toe voor elke optie
      case 3:
        desired_weight = 281; //gewenste gewicht van de mix
        switch (gewichtInGrammen) {// code voor drank te vullen met 100gr van elk soort
          case 0 ... 60: //tot welk gewicht moet hij vullen
            drank1_mosfet();//zet de 1 pomp voor drank aan
            break;
          case 61 ... 281:
            drank2_mosfet();
            break;
          default:
            digitalWrite(relayPins[0], LOW);  // Schakel relais 1 uit als het gewicht minder dan 100 gram is
            alles_uit();
            break;
        }
        break;
      case 4:  //te lang mms loopt mis bij hoger geiwht
        desired_weight = 1500; //gewenste gewicht van de mix
        switch (gewichtInGrammen) {// code voor drank te vullen met 100gr van elk soort
          case 0 ... 99: //tot welk gewicht moet hij vullen
            drank1_mosfet();//zet de 1 pomp voor drank aan
            break;
          case 100 ... 199:
            drank2_mosfet();
            break;
          case 200 ... 299:
            drank3_mosfet();
            break;
          case 300 ... 399:
            drank4_mosfet();
            break;
          case 400 ... 499:
            drank5_mosfet();
            break;
          case 500 ... 599:
            drank6_mosfet();
            break;
          case 600 ... 699:
            drank7_mosfet();
            break;
          case 700 ... 799:
            drank8_mosfet();
            break;
          case 800 ... 899:
            drank9_mosfet();
            break;
          case 900 ... 999:
            drank10_mosfet();
            break;
          case 1000 ... 1099:
            drank11_mosfet();
            break;
          case 1100 ... 1199:
            drank12_mosfet();
            break;
          case 1200 ... 1299:
            drank13_mosfet();
            break;
          case 1300 ... 1399:
            drank14_mosfet();
            break;
          case 1400 ... 1499:
            drank15_mosfet();
            break;
          default:
            digitalWrite(relayPins[0], LOW);  // Schakel relais 1 uit als het gewicht minder dan 100 gram is
            alles_uit();
            break;
        }
        break;

      default:
      alles_uit();
      }
  }
  delay(100);
  alles_uit();
  lcd.clear();
  lcd.print("drankje is klaar");
  delay(2000);
  lcd.clear();
  lcd.setCursor(0,0);
  lcd.print("kies drankje:");
  lcd.setCursor(0, 3);
  lcd.print("plaats nieuw glas");
  lcd.setCursor(0, 1);
  lcd.print(optionNames[selectedOption - 1]);
}