#include <Wire.h> 
#include <Keypad.h>
#include <LiquidCrystal.h>

// Keypad declaration 
const byte ROWS = 4;
const byte COLS = 4;

char hexaKeys[ROWS][COLS] = {
  {'1', '2', '3', 'A'},
  {'4', '5', '6', 'B'},
  {'7', '8', '9', 'C'},
  {'*', '0', '#', 'D'}
};

byte rowPins[ROWS] = {9, 8, 7, 6};
byte colPins[COLS] = {5, 4, 3, 2};

Keypad customKeypad = Keypad(makeKeymap(hexaKeys), rowPins, colPins, ROWS, COLS);

// Lcd declaration 

const int rs = 37, en = 36, d4 = 35, d5 = 34, d6 = 33, d7 = 32;
LiquidCrystal  lcd(rs, en, d4, d5, d6, d7);

// Relais declaration 

const int Poste_1 = 22; // const int (ne peut pas etre modifie pendant l'execution du programme et prends moind de place en mémoire)
const int Poste_2 = 23 ;
const int Poste_3 = 24 ;
const int Poste_4 = 25 ;
const int Poste_5 = 26 ;
const int Poste_6 = 27 ;
const int Poste_7 = 28 ;
const int Poste_8 = 29 ;


void setup(){
  
  // Initialisation Lcd 
  lcd.begin(16,2);
  lcd.setCursor(1, 0); // Lcd.setCursor permet de choisir la ligne et la colonne ou va apparaitre le texte
  lcd.print("Centre de paie");
  lcd.setCursor(6, 2); 
  lcd.print("ISK");
  delay(1000);
  lcd.clear(); // Effacer l'ecran
  lcd.print("Choisir un poste");
  lcd.setCursor(0, 2);
  lcd.blink(); // Curseur clignotant

 // Initialisation des relais 
  pinMode(22, OUTPUT);
  pinMode(23, OUTPUT);
  pinMode(24, OUTPUT);
  pinMode(25, OUTPUT);
  pinMode(26, OUTPUT);
  pinMode(27, OUTPUT);
  pinMode(28, OUTPUT);
  pinMode(29, OUTPUT);
// Etat des relais à l'initialisation 
  digitalWrite(22, LOW);
  digitalWrite(23, LOW);
  digitalWrite(24, LOW);
  digitalWrite(25, LOW);
  digitalWrite(26, LOW);
  digitalWrite(27, LOW);
  digitalWrite(28, LOW);
  digitalWrite(29, LOW);

  // lcd.noDisplay();
  //  delay(900);
  // lcd.display();
  //delay(5000);
   
}

void loop(){
  
  int customKey = customKeypad.getKey();
  int tempsdejeu = customKey;
  if (customKey){
    lcd.clear();
    lcd.setCursor(0, 0); 
    lcd.print(customKey);
  }
  switch (customKey){

    case '1' : 
       lcd.setCursor(2, 2); 
       lcd.setCursor(0, 0);
       delay(2000);
       lcd.clear();
       lcd.print("Combien de temps ?");
       lcd.setCursor(0, 2);
       lcd.blink();
       delay(3000);
       tempsdejeu = customKey;
       digitalWrite(22, HIGH);
       lcd.clear();
       lcd.print("Poste 1 allume");
       delay(3000);
       delay(tempsdejeu);
       digitalWrite(22,LOW);
       lcd.clear();
       // Fin du choix 
       lcd.print("Choisir un poste");
       lcd.setCursor(0, 2);
       lcd.blink();
    break;
        lcd.print("Choisir un poste");
    case '2' : 
       lcd.setCursor(2, 2); 
       lcd.setCursor(0, 0);
       delay(2000);
       lcd.clear();
       digitalWrite(23, HIGH);
       lcd.print("Poste 2 allume");
       delay(3000);
       lcd.clear();

      // Fin du choix 
       lcd.print("Choisir un poste");
       lcd.setCursor(0, 2);
       lcd.blink();
    break;
      
    case '3' : 
       lcd.setCursor(2, 2); 
       lcd.setCursor(0, 0);
       delay(2000);
       lcd.clear();
       digitalWrite(24, HIGH);
       lcd.print("Poste 3 allume");
       delay(3000);
       lcd.clear();
       // Fin du choix 
       lcd.print("Choisir un poste");
       lcd.setCursor(0, 2);
       lcd.blink();
    break;
       
  }
}