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

Password password = Password("1*5#3");  // password
int dlugosc = 5;                // length of the password

LiquidCrystal lcd(A0, A1, A5, A4, A3, A2);

int ledRed = 11;
int ledGreen = 12;
int buzzer = 13;

int ilosc; // number of clicks

const byte ROWS = 4; // rows
const byte COLS = 3; // cols

char keys[ROWS][COLS] =
{
  {'1','2','3'},
  {'4','5','6'},
  {'7','8','9'},
  {'*','0','#'}
};

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

Keypad keypad = Keypad( makeKeymap(keys), rowPins, colPins, ROWS, COLS );

void setup()
{
  Serial.begin(9600);
  keypad.addEventListener(keypadEvent);
  pinMode(ledRed, OUTPUT);
  pinMode(ledGreen, OUTPUT);
  pinMode(buzzer, OUTPUT);

  digitalWrite(ledRed, HIGH);
  digitalWrite(ledGreen, LOW);

  lcd.begin(16, 2);

  lcd.setCursor(1,0);
  lcd.print("  :Welcome:");
  lcd.setCursor(0,1);
  lcd.print("PLEASE ENTER PIN");
}

void loop()
{
  keypad.getKey();
}
void keypadEvent(KeypadEvent eKey)
{
  switch (keypad.getState())
  {
    case PRESSED:

int i;
for( i = 1; i <= 1; i++ )
{
  digitalWrite(buzzer, HIGH);
  delay(50);
  digitalWrite(buzzer, LOW);
  delay(50);
}

Serial.print("Pressed: ");
Serial.println(eKey);

switch (eKey)
{
/*
case '#':
break;

case '*':
break;
*/

default:
ilosc=ilosc+1;
password.append(eKey);
}
//Serial.println(ilosc);

if(ilosc == 1)
{
lcd.clear();
lcd.setCursor(1,0);
lcd.print("   < PIN >");
lcd.setCursor(0,1);
lcd.print("*_");
}
if(ilosc == 2)
{
lcd.clear();
lcd.setCursor(1,0);
lcd.print("   < PIN >");
lcd.setCursor(0,1);
lcd.print("**_");
}
if(ilosc == 3)
{
lcd.clear();
lcd.setCursor(1,0);
lcd.print("   < PIN >");
lcd.setCursor(0,1);
lcd.print("***_");
}
if(ilosc == 4)
{
lcd.clear();
lcd.setCursor(1,0);
lcd.print("   < PIN >");
lcd.setCursor(0,1);
lcd.print("****_");
}
if(ilosc == 5)
{
lcd.clear();
lcd.setCursor(1,0);
lcd.print("   < PIN >");
lcd.setCursor(0,1);
lcd.print("*****_");
}
if(ilosc == 6)
{
lcd.clear();
lcd.setCursor(1,0);
lcd.print("   < PIN >");
lcd.setCursor(0,1);
lcd.print("******_");
}
if(ilosc == 7)
{
lcd.clear();
lcd.setCursor(1,0);
lcd.print("   < PIN >");
lcd.setCursor(0,1);
lcd.print("*******_");
}
if(ilosc == 8)
{
lcd.clear();
lcd.setCursor(1,0);
lcd.print("   < PIN >");
lcd.setCursor(0,1);
lcd.print("********");
}

if(ilosc == dlugosc)
{
delay(250);
checkPassword();
ilosc = 0;
}
}
}

void checkPassword()
{
  if (password.evaluate())
  {
int i;
for( i = 1; i <= 2; i++ )
{
  digitalWrite(buzzer, HIGH);
  delay(70);
  digitalWrite(buzzer, LOW);
  delay(70);
}
    ilosc = 0;

    Serial.println("Success");

    digitalWrite(ledRed, LOW);
    digitalWrite(ledGreen, HIGH);

    lcd.clear();
    lcd.setCursor(0,1);
    lcd.print(" << SUCCESS >>");
 }
  else
  {
int i;
for( i = 1; i <= 1; i++ )
{
  digitalWrite(buzzer, HIGH);
  delay(200);
  digitalWrite(buzzer, LOW);
  delay(200);
}
    ilosc = 0;
    password.reset();

    Serial.println("Wrong");

    digitalWrite(ledGreen, LOW);
    digitalWrite(ledRed, HIGH);

    lcd.clear();
    lcd.setCursor(0,1);
    lcd.print("  << WRONG >>");
    delay(2000);

    lcd.clear();
    lcd.setCursor(1,0);
    lcd.print("  :Welcome:");
    lcd.setCursor(0,1);
    lcd.print("PLEASE ENTER PIN");
  }
}