#include <iostream>
#include <iomanip>
#include <stdlib.h>
#include <time.h> //new one here, this is so we can use the random function

using namespace std; //just do it

//GLOBAL VARIABLES this is where we define all the global variables

#define EASY 15
#define MEDIUM 30
#define HARD 50 //these are our difficulty levels

int life; //the integer to hold the player's life
int answer; //the integer to hold the randomly created answer
int guess; //the integer to hold the player's guess

void TakeInput(); //Gets the user's guess and passes it on to CheckResults
void CheckResults(); //our function to check the results and decide what to do
void Quit(); //our quit function

int main()
{
life = 5; //this initialises life to 5, so that when the player restarts his life will always be 5
int difficulty; //to hold the difficulty level

cout << "****************** JackPot ***********************" << endl
<< "Welcome to JackPot... choose your difficulty level:" << endl << endl
<< "1: Easy: Maximum number is " << EASY << endl
<< "2: Medium: Maximum number is " << MEDIUM << endl
<< "3: Hard: Maximum number is " << HARD << endl; //asks the user to choose difficulty level

cin >> difficulty; //gets input


//converts input into a usable number for our random number function
switch(difficulty)
{
case '1' : difficulty = EASY;
break;

case '2' : difficulty = MEDIUM;
break;

case '3' : difficulty = HARD;
break;

default: difficulty = EASY;
break;
}

srand( (unsigned) time ( NULL ) ); //our random function. the unsigned bit means it can't be negative. It's 
answer = rand() % difficulty; //based on the clock, hence the time.h library.

TakeInput(); //Go to TakeInput(); function
return 0;
}

void TakeInput()
{
if (life <= 0) //if life is equal to or less than 0.
{
cout << "You lose!" << endl;
Quit(); //go to the quit function
}

cout << "life: " << life << endl
<< "What is your guess? "; //asks for user's input
cin >> guess; //gets user input


CheckResults(); //go to CheckResults() function
return;
}

void CheckResults()
{
//check the results and do your stuff!

if (guess == answer)
{
cout << "Correct - You win!" << endl;
Quit(); //if correct, say so and go to Quit()
}

if (guess < answer)
{
cout << "Too low! Try again... " << endl;
life = life - 1;
TakeInput(); //if too low, say so, lose 1 life and go to TakeInput()
}

if(guess > answer)
{
cout << "Too high! Try again... " << endl;
life = life - 1;
TakeInput(); //if too high, say so, lose 1 life and go to TakeInput()
}

else
{
cout << "Invalid input." << endl;
system("PAUSE");
return;
} //if user puts something weird in, say so and quit

}

void Quit()

{
system("PAUSE"); //safety net
return;
}