#include <IRremote.h>
#include <LiquidCrystal.h>
#include <Servo.h>
#include <Keypad.h>
#define PIN_RECEIVER 25
IRrecv receiver(PIN_RECEIVER);
LiquidCrystal lcd(2, 3, 4, 5, 6, 7);


long first = 0;
long second = 0;
double total = 0;
char customKey;
const byte ROWS = 4;
const byte COLS = 4;

char keys[ROWS][COLS] = {
  {'1','2','3','A'},
  {'4','5','6','B'},
  {'7','8','9','C'},
  {'*','0','#','D'}
};
byte rowPins[ROWS] = {14,15,16,17}; //connect to the row pinouts of the keypad
byte colPins[COLS] = {18,19,20,21}; //connect to the column pinouts of the keypad

//initialize an instance of class NewKeypad
Keypad customKeypad = Keypad( makeKeymap(keys), rowPins, colPins, ROWS, COLS); 


void setup() {
  // put your setup code here, to run once:
  pinMode(2, INPUT);
  pinMode(13, OUTPUT);
  digitalWrite(13, HIGH);

  lcd.begin(16,2);               // start lcd
  lcd.setCursor(0,0);
  lcd.print("    Bonjour    ");
  lcd.setCursor(0,1);
  lcd.print("Le Programmeur");
  delay(1000);
	lcd.clear();
  lcd.setCursor(0,0);
  lcd.print("Entre votre code");
  lcd.setCursor(0,1);
  receiver.enableIRIn(); //DEMARRAGE DE receiver
  
  
}

void loop() {
 // Checks received an IR signal
    if (receiver.decode()) {
      translateIR();
      receiver.resume();  // Receive the next value
    }
  customKey = customKeypad.getKey();
  switch(customKey) 
  {
    case '0' ... '9': // This keeps collecting the first value until a operator is pressed "+-*/"
    lcd.setCursor(0,1);
    first = first * 10 + (customKey - '0');
    lcd.print(first);
    break;
    case 'C':
    lcd.clear();
    first =0;
    break;
    case 'A':
    lcd.clear();
    break;
    case 'B':
    lcd.clear();
    break;
    case 'D':
    lcd.print("D");
    break;
    case '*':
    lcd.print("*");
    break;
    case '#':
    lcd.print("#");
    break;
 } 
}


void lcdPrint(char* text)
{
  lcd.clear();
  lcd.setCursor(0, 0);
  lcd.print(text);
  lcd.print(receiver.decodedIRData.command);
}

void translateIR()
{
  // Takes command based on IR code received
  switch (receiver.decodedIRData.command) {
    case 162:
      lcdPrint("POWER");
      break;
    case 226:
      lcdPrint("MENU");
      break;
    case 34:
      lcdPrint("TEST");
      break;
    case 2:
      lcdPrint("PLUS");
      break;
    case 194:
      lcdPrint("BACK");
      break;
    case 224:
      lcdPrint("PREV.");
      break;
    case 168:
      lcdPrint("PLAY");
      break;
    case 144:
      lcdPrint("NEXT");
      break;
    case 104:
      lcdPrint("num: 0");
      break;
    case 152:
      lcdPrint("MINUS");
      break;
    case 176:
      lcdPrint("key: C");
      break;
    case 48:
      lcdPrint("num: 1");
      break;
    case 24:
      lcdPrint("num: 2");
      break;
    case 122:
      lcdPrint("num: 3");
      break;
    case 16:
      lcdPrint("num: 4");
      break;
    case 56:
      lcdPrint("num: 5");
      break;
    case 90:
      lcdPrint("num: 6");
      break;
    case 66:
      lcdPrint("num: 7");
      break;
    case 74:
      lcdPrint("num: 8");
      break;
    case 82:
      lcdPrint("num: 9");
      break;
    default:
      lcd.clear();
      lcd.print(receiver.decodedIRData.command);
      lcd.print(" other button");
  }
}