/*

    _____            _           _
   |  __ \          (_)         | |
   | |__) |_ __ ___  _  ___  ___| |_
   |  ___/| '__/ _ \| |/ _ \/ __| __|
   | |    | | | (_) | |  __/ (__| |_
   |_|    |_|  \___/| |\___|\___|\__|
                   _/ |
                  |__/
  _____
 |  __ \
 | |__) |___  __ _  __ _ ___ _   _ ___
 |  ___// _ \/ _` |/ _` / __| | | / __|
 | |   |  __/ (_| | (_| \__ \ |_| \__ \
 |_|    \___|\__, |\__,_|___/\__,_|___/
              __/ |
             |___/

*/

//Project Pegasus - After Summer Courses 2012 - Arduino Course
//Password Checking System with 3 Leds Project

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

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

 byte rowspins[4] = {12,7,8,10};
 byte colspins[3] = {11,13,9};
 byte red = 4;
 byte orange = 3;
 byte blue = 2;
 Keypad mykp = Keypad( makeKeymap(keys), rowspins, colspins, 4, 3 );
 char key;
 Password pass = Password ("12345");

 void setup(){
   pinMode(red,OUTPUT);
   pinMode(orange,OUTPUT);
   pinMode(blue,OUTPUT);
   resetpass();
 }



 void loop(){
   key = mykp.getKey();
   if (key != NO_KEY)
   {
       if (key == '*')
       {
        resetpass();
       }
       else if (key == '#')
       {
        evalpass();
       }
       else
       {
        passappend();
       }
   }

 }

 void resetpass(){
           pass.reset();
           digitalWrite(blue,LOW);
           digitalWrite(orange,LOW);
           digitalWrite(red,HIGH);
 }

 void evalpass(){
           if (pass.evaluate())
           {
               digitalWrite(blue,HIGH);
               digitalWrite(orange,LOW);
               digitalWrite(red,LOW);
           }
           else
           {
               resetpass();
           }
 }

 void passappend(){
           if (pass.evaluate())
           {

           }
           else
           {
               pass.append(key);
               digitalWrite(blue,LOW);
               digitalWrite(orange,HIGH);
               digitalWrite(red,LOW);
           }

 }