#include <LiquidCrystal.h>
#include <Keypad.h>
 
// Keypad
#define ROW_NUM     4 // four rows
#define COLUMN_NUM  4 // four columns

char keys[ROW_NUM][COLUMN_NUM] = {
  {'1', '2', '3', 'A'},
  {'4', '5', '6', 'B'},
  {'7', '8', '9', 'C'},
  {'*', '0', '#', 'D'}
};
byte pin_rows[ROW_NUM]      = {13, 12, 14, 27}; // GIOP19, GIOP18, GIOP5, GIOP17 connect to the row pins
byte pin_column[COLUMN_NUM] = {26, 25, 33, 32};   // GIOP16, GIOP4, GIOP0, GIOP2 connect to the column pins

Keypad keypad = Keypad( makeKeymap(keys), pin_rows, pin_column, ROW_NUM, COLUMN_NUM );


// LCD
LiquidCrystal lcd(19, 23, 18, 17, 16, 15);



// Variablen
int status = 1; // 1 = ready for game; 2 = ingame; 3 = detonatet; 4 = defused; 5 = Error
String code = "62851";
String inputcode = "";


// Thread
TaskHandle_t InGameDisplayHandler;

void setup() {
  // set up the LCD's number of columns and rows:
  lcd.begin(16, 2);

  // Thread
   
  delay(500);
}
 
void loop() {
  switch(status){
    case 1:
      lcd.begin(1, 2);
      lcd.setCursor(0, 0);
      lcd.print("Ready for Game");
      lcd.setCursor(0, 1);
      lcd.print("Press 'D'");
      while(keypad.getKey() != 'D'){

      }
      status = 2;
      clearDisplay();
      break;
    case 2:
      xTaskCreatePinnedToCore(
                    InGameDisplay,   /* Task function. */
                    "InGameDisplayHandler",     /* name of task. */
                    10000,       /* Stack size of task */
                    NULL,        /* parameter of the task */
                    1,           /* priority of the task */
                    &InGameDisplayHandler,      /* Task handle to keep track of created task */
                    0);
      InGame();
      break;
    case 3:
      lcd.setCursor(0, 0);
      lcd.print("Bomb detonated");
      lcd.setCursor(0, 1);
      lcd.print("Press 'D'");
     break;
    case 4:
      lcd.setCursor(0, 0);
      lcd.print("Bomb defused");
      lcd.setCursor(0, 1);
      lcd.print("Press 'D'");
      break;
    case 5:
     break;
    default:
     break;
  }
  delay(50);
}
void InGameDisplay( void * pvParameters){
  while(status == 2){
    lcd.setCursor(0, 0);
    lcd.print("Code:"+code);
    delay(50);
    lcd.setCursor(0, 1);
    lcd.print("---->"+inputcode);
    delay(50);
  }
}

void InGame(){
  while(status == 2){
    char key = keypad.getKey();
    if(key){
      switch(key){
      case 'B':
        inputcode = "";
        lcd.setCursor(5, 1);
        lcd.print("     ");
        break;
      case 'D':
        if(inputcode == code){
          status = 4;
          vTaskDelete(InGameDisplayHandler);
        }else{
          inputcode = "";
          lcd.setCursor(5, 1);
          lcd.print("        ");
        }
        break;
      default:
        inputcode += key;
      }
    }
  }
} 

void clearDisplay(){
  lcd.setCursor(0, 0);
  lcd.print("                       ");
  lcd.setCursor(0, 1);
  lcd.print("                       ");
}