#include <LiquidCrystal_I2C.h>
#include <OneWire.h>
#include <DallasTemperature.h>

#define inNastavTepChladic   A0
#define inNastavTepOdpad     A2
int outLed12_otevrenAut = 12;
int outLed10_zavrenAut = 10;
int outLed5_otevrenMan = 5;
int outLed3_zavrenMan = 3;
int outLed4_provoz = 4;
int outVentil8 = 8;
int inPrepinac6 = 6;
int inPrepinac7 = 7;
const int inTeplomer9 = 9;

int chladicTepDalas;
int odpadTepDalas;

int tepChladicVal = 0;
int tepChladicTep;
int tepOdpadVal = 0;
int tepOdpadTep;


int bojlerTep;
int rozdilTeploty = 0;
int rozdilTeplotyVent = 0;

int zapnutiVal = 0;
int vypnutiVal = 0;
int zapnutiHod = 0;
int vypnutiHod = 0;
int zapnutiHodVent = 10;

boolean prepinacAuto = false;
boolean prepinacManualOtevreno = false;
boolean prepinacManualzavreno = false;
boolean ventilOtevren = false;


boolean ventilSeOtvira = false;
boolean ventilZavren = false;
boolean ventilSeZavira = false;
boolean cerpadloObehZaple = false;
boolean cerpadloPrehratiZaple = false;
boolean cekejPoStartu = true;

//dallas
OneWire oneWireDS(inTeplomer9);
DallasTemperature senzoryDS(&oneWireDS);

// Set the LCD address to 0x27 for a 20 chars and 4 line display
LiquidCrystal_I2C lcd(0x27, 16, 2);


void setup() {
  Serial.begin(9600);

  pinMode(inPrepinac6, INPUT_PULLUP);
  pinMode(inPrepinac7, INPUT_PULLUP);
  pinMode(outLed12_otevrenAut, OUTPUT);
  pinMode(outLed10_zavrenAut, OUTPUT);
  pinMode(outLed5_otevrenMan, OUTPUT);
  pinMode(outLed3_zavrenMan, OUTPUT);   
  pinMode(outLed4_provoz, OUTPUT); 
  pinMode(outVentil8, OUTPUT);  
  
  digitalWrite(outLed12_otevrenAut, LOW);
  digitalWrite(outLed10_zavrenAut, LOW);
  digitalWrite(outLed5_otevrenMan, LOW);
  digitalWrite(outLed3_zavrenMan, LOW);
  digitalWrite(outLed4_provoz, LOW);
  digitalWrite(outVentil8, LOW);

  // zapnutí komunikace knihovny s teplotním čidlem
  senzoryDS.begin();
  
  // initialize the LCD
  //lcd.begin();      //
  lcd.init();      // 
  lcd.backlight();  // 
  zobrazHodnoty();
  
}

void loop() {
  zobrazHodnoty();

  tepChladicVal = analogRead(inNastavTepChladic);
  tepOdpadVal = analogRead(inNastavTepOdpad);

  tepChladicTep = map(tepChladicVal, 0, 1023, 20, 80);
  tepOdpadTep = map(tepOdpadVal, 0, 1023, 5, 40);

  ///// wokwi
  const float BETA = 3950;

  int chladicVal2 = analogRead(A6);
  int odpadVal2 = analogRead(A7);
  chladicTepDalas = 1 / (log(1 / (1023. / chladicVal2 - 1)) / BETA + 1.0 / 298.15) - 253.15;
  odpadTepDalas = 1 / (log(1 / (1023. / odpadVal2 - 1)) / BETA + 1.0 / 298.15) - 253.15;
  //// wokwi
  
  // načtení informací ze všech připojených čidel na daném pinu
  senzoryDS.requestTemperatures();
  //chladicTepDalas = senzoryDS.getTempCByIndex(0); 
  //odpadTepDalas = senzoryDS.getTempCByIndex(1);
  
  
  int prepinac6Val = digitalRead(inPrepinac6);
  int prepinac7Val = digitalRead(inPrepinac7);

  Serial.print(" 6: ");
  Serial.print(prepinac6Val);
  Serial.print(" 7: ");
  Serial.println(prepinac7Val);


  // vypni vse D6=1 D7=1
  if (prepinac6Val == 1 && prepinac7Val == 1 ) {
    prepinacManualOtevreno = false;
    prepinacManualzavreno = false;
    prepinacAuto = false;
    digitalWrite(outLed4_provoz, LOW);
    digitalWrite(outLed5_otevrenMan, LOW);
    digitalWrite(outLed3_zavrenMan, LOW);
    digitalWrite(outVentil8, LOW);
  }

  // manual-otevreno  D6=0 D7=1
  if (prepinac6Val == 0 && prepinac7Val == 1 && prepinacManualOtevreno == false) {
    prepinacManualOtevreno = true;
    prepinacManualzavreno = false;
    prepinacAuto = false;
    digitalWrite(outLed4_provoz, LOW);
    digitalWrite(outLed5_otevrenMan, HIGH);
    digitalWrite(outLed3_zavrenMan, LOW);
    digitalWrite(outVentil8, HIGH);
  }

  // manual-zavreno  D6=1 D7=0
  if (prepinac6Val == 1 && prepinac7Val == 0 && prepinacManualzavreno == false) {
    prepinacManualOtevreno = false;
    prepinacManualzavreno = true;
    prepinacAuto = false;
    digitalWrite(outLed4_provoz, LOW);
    digitalWrite(outLed5_otevrenMan, LOW);
    digitalWrite(outLed3_zavrenMan, HIGH);
    digitalWrite(outVentil8, LOW);
  }

  // automat D6=0 D7=0
  if (prepinac6Val == 0 && prepinac7Val == 0 && prepinacAuto == false) {
    prepinacManualOtevreno = false;
    prepinacManualzavreno = false;
    prepinacAuto = true;
    digitalWrite(outLed4_provoz, HIGH);
    digitalWrite(outLed5_otevrenMan, LOW);
    digitalWrite(outLed3_zavrenMan, LOW);
    digitalWrite(outVentil8, LOW);

  }

   // automatika
  if (prepinacAuto == true) {
    if (chladicTepDalas > tepChladicTep && ventilOtevren == false) {
      ventilOtevren = true;
      digitalWrite(outVentil8, HIGH);
      Serial.println("Auto - zapni");

    }

    if (odpadTepDalas < tepOdpadTep && ventilOtevren == true) {
      ventilOtevren = false;
      digitalWrite(outVentil8, LOW);
      Serial.println("Auto - vypni");
    }

  }

  
}


void zobrazHodnoty() {
  delay(500);
  //lcd.clear();
  lcd.setCursor(0, 0);
  lcd.print("T-CH:");
  lcd.setCursor(5, 0);
  lcd.print("   ");
  lcd.setCursor(5, 0);
  lcd.print(chladicTepDalas);
  
  lcd.setCursor(8, 0);
  lcd.print("N-CH:");
  lcd.setCursor(13, 0);
  lcd.print("   ");
  lcd.setCursor(13, 0);
  lcd.print(tepChladicTep);
  ////
  lcd.setCursor(0, 1);
  lcd.print("T-OD:");
  lcd.setCursor(5, 1);
  lcd.print("   ");
  lcd.setCursor(5, 1);
  lcd.print(odpadTepDalas);

  lcd.setCursor(8, 1);
  lcd.print("N-OD:");
  lcd.setCursor(13, 1);
  lcd.print("   ");
  lcd.setCursor(13, 1);
  lcd.print(tepOdpadTep);
  ////
  
}