/////////////////////////////
//      Airsoft Bomb       //
// by Malthe Falkenstjerne //
/////////////////////////////

#include <Keypad.h>
//#include <LiquidCrystal.h>
#include <Wire.h>   // standardowa biblioteka Arduino
#include <LiquidCrystal_I2C.h> // dolaczenie pobranej biblioteki I2C dla LCD
//#include <Tone.h>
#define pound 14

//Tone tone1;

int ticker = 0;
int a = 1;
int Scount = 12; // count seconds
int Mcount = 10; // count minutes
int Hcount = 0; // count hours
int DefuseTimer = 0; // set timer to 0

long secMillis = 0; // store last time for second add
long interval = 1000; // interval for seconds

char password[4]; // number of characters in our password
int currentLength = 0; //defines which number we are currently writing
int i = 0;
char entered[4];

int ledPin = A0; //red led
int ledPin2 = A1; //yelHIGH led
int ledPin3 = A2; //green led

LiquidCrystal_I2C lcd(0x27, 2, 1, 0, 4, 5, 6, 7, 3, POSITIVE);  // Ustawienie adresu ukladu na 0x27

const byte ROWS = 4; //four rows
const byte COLS = 3; //three columns
char keys[ROWS][COLS] = {
  {'1', '2', '3',},
  {'4', '5', '6',},
  {'7', '8', '9',},
  {'*', '0', '#',}
};

//Connect keypad ROW0, ROW1, ROW2 and ROW3 to these Arduino pins.
byte rowPins[ROWS] = {10, 9, 8, 7}; //connect to the row pinouts of the keypad
// Connect keypad COL0, COL1 and COL2 to these Arduino pins.
byte colPins[COLS] = {6, 5, 4}; //connect to the column pinouts of the keypad

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


void setup() {
  pinMode(ledPin, OUTPUT); // sets the digital pin as output
  pinMode(ledPin2, OUTPUT); // sets the digital pin as output
  pinMode(ledPin3, OUTPUT); // sets the digital pin as output
  //  tone1.begin(9);
  lcd.begin(16, 2);
  Serial.begin(9600);
  lcd.clear();
  lcd.setCursor(0, 0);
  lcd.print("Enter Code: ");
  while (currentLength < 4)
  {
    lcd.setCursor(currentLength + 6, 1);
    lcd.cursor();
    char key = keypad.getKey();
    key == NO_KEY;
    if (key != NO_KEY)
    {
      if ((key != '*') && (key != '#'))
      {
        lcd.print(key);
        password[currentLength] = key;
        currentLength++;
        //      tone1.play(NOTE_C6, 200);
      }
    }
  }

  if (currentLength == 4)
  {
    delay(500);
    lcd.noCursor();
    lcd.clear();
    lcd.home();
    lcd.print("You've Entered: ");
    lcd.setCursor(6, 1);
    lcd.print(password[0]);
    lcd.print(password[1]);
    lcd.print(password[2]);
    lcd.print(password[3]);

    //    tone1.play(NOTE_E6, 200);
    delay(3000);
    lcd.clear();
    currentLength = 0;
  }
}

void loop()
{
  timer();
  char key2 = keypad.getKey(); // get the key

  if (key2 == '*')
  {
    lcd.clear();
    lcd.setCursor(0, 0);
    lcd.print("Code: ");

    while (currentLength < 4)
    {

      timer();

      char key2 = keypad.getKey();
      if (key2 == '#')
      {
        currentLength = 0;
        lcd.clear();
        lcd.setCursor(0, 0);
        lcd.print("Code: ");
      }
      else if (key2 != NO_KEY)
      {

        lcd.setCursor(currentLength + 7, 0);
        lcd.cursor();

        lcd.print(key2);
        entered[currentLength] = key2;
        currentLength++;
        //              tone1.play(NOTE_C6, 200);
        delay(100);
        lcd.noCursor();
        lcd.setCursor(currentLength + 6, 0);
        lcd.print("*");
        lcd.setCursor(currentLength + 7, 0);
        lcd.cursor();
      }
    }

    if (currentLength == 4)
    {
      if (entered[0] == password[0] && entered[1] == password[1] && entered[2] == password[2] && entered[3] == password[3])
      {
        lcd.noCursor();
        lcd.clear();
        lcd.home();
        lcd.print("Bomb Defused");
        currentLength = 0;
        digitalWrite(ledPin3, LOW);
        delay(2500);
        lcd.setCursor(0, 1);
        lcd.print("Reset the Bomb");
        delay(1000000);
      }
      else
      {
        lcd.noCursor();
        lcd.clear();
        lcd.home();
        lcd.print("Wrong Password!");

        if (Hcount > 0)
        {
          Hcount = Hcount - 1;
        }

        if (Mcount > 0)
        {
          Mcount = Mcount - 59;
        }
        if (Scount > 0)
        {
          Scount = Scount - 59;
        }
        delay(1500);
        currentLength = 0;

      }
    }
  }
}

void timer()
{
  Serial.print(Scount);
  Serial.println();

  if (Hcount <= 0)
  {
    if ( Mcount < 0 )
    {
      lcd.noCursor();
      lcd.clear();
      lcd.home();
      lcd.print("The Bomb Has ");
      lcd.setCursor (0, 1);
      lcd.print("Exploded!");

      while (Mcount < 0)
      {



        delay(100);
      }
    }
  }

  lcd.setCursor (0, 1); // sets cursor to 2nd line
  lcd.print ("Timer:");

  if (Hcount >= 10)
  {
    lcd.setCursor (7, 1);
    lcd.print (Hcount);
  }
  if (Hcount < 10)
  {
    lcd.setCursor (7, 1);
    lcd.write ("0");
    lcd.setCursor (8, 1);
    lcd.print (Hcount);
  }

  lcd.print (":");

  if (Mcount >= 10)
  {
    lcd.setCursor (10, 1);
    lcd.print (Mcount);
  }
  if (Mcount < 10)
  {
    lcd.setCursor (10, 1);
    lcd.write ("0");
    lcd.setCursor (11, 1);
    lcd.print (Mcount);
  }

  lcd.print (":");

  if (Scount >= 10)
  {
    lcd.setCursor (13, 1);
    lcd.print (Scount);
  }
  if (Scount < 10)
  {
    lcd.setCursor (13, 1);
    lcd.write ("0");
    lcd.setCursor (14, 1);
    lcd.print (Scount);
  }

  if (Hcount < 0)
  {
    Hcount = 0;
  }

  if (Mcount < 0)
  {
    Hcount --;
    Mcount = 59;
  }

  if (Scount < 1) // if 60 do this operation
  {
    Mcount --; // add 1 to Mcount
    Scount = 59; // reset Scount
  }

  if (Scount > 0) // do this oper. 59 times
  {
    unsigned long currentMillis = millis();

    if (currentMillis - secMillis > interval)
    {
         if (a == 1) { ///// biały
        digitalWrite(ledPin, LOW);
        digitalWrite(ledPin2, LOW);
        digitalWrite(ledPin3, LOW);

      //  delay(10);
      }
      if (a == 2) {   //////jasny niebieski
        digitalWrite(ledPin, LOW);
        digitalWrite(ledPin2, HIGH);
        digitalWrite(ledPin3, LOW);

       // delay(10);
      }
         if (a == 1) {   ///ciemny niebieski
        digitalWrite(ledPin, HIGH);
        digitalWrite(ledPin2, LOW);
        digitalWrite(ledPin3, HIGH);
        //a++;
      //  delay(10);
      }
      if (a == 2) {    //////////////zielony
        digitalWrite(ledPin, LOW);
        digitalWrite(ledPin2, HIGH);
        digitalWrite(ledPin3, LOW);

       // delay(10);
      }
       if (a == 3) {
        digitalWrite(ledPin, HIGH);
        digitalWrite(ledPin2, HIGH);
        digitalWrite(ledPin3, LOW);

       // delay(10);
      }
       if (a == 4) {
        digitalWrite(ledPin, LOW);
        digitalWrite(ledPin2, HIGH);
        digitalWrite(ledPin3, HIGH);

       // delay(10);
      }
           a++;
           if (a == 5){
            a =1;
           }

      //          tone1.play(NOTE_G5, 200);
      secMillis = currentMillis;
      Scount --; // add 1 to Scount
      ////////////////////////////////////////////////////////////////////////////////
      ///////////////////////////////////////////////////////////////////////////////


      //  digitalWrite(ledPin2, HIGH); // sets the LED on
      //  delay(10); // waits for a second
      //  digitalWrite(ledPin2, LOW); // sets the LED off
      //   delay(10); // waits for a second
      //lcd.clear();
    }
  }
}