#include <iostream.h>
#include <stdlib.h> // for toupper
#include <stdio.h>
#include <time.h>
#include <limits.h>
#include <iomanip.h>

#define BREAD          ((unsigned char) 3)   // 00000011
#define BREAD_BYTE     0
#define BREAD_OFFSET   0

#define MEAT           ((unsigned char) 12)  // 00001100
#define MEAT_BYTE      0
#define MEAT_OFFSET    2

#define TOMATO         ((unsigned char) 48)  // 00110000
#define TOMATO_BYTE    0
#define TOMATO_OFFSET  4

#define ONION          ((unsigned char) 192) // 11000000
#define ONION_BYTE     0
#define ONION_OFFSET   6

#define CHEESE		   ((unsigned char) 3)   // 00000011
#define CHEESE_BYTE    1
#define CHEESE_OFFSET  0

#define P1_COOKED		  ((unsigned char) 12)  // 00001100
#define P1_COOKED_BYTE    1
#define P1_COOKED_OFFSET  2

#define P2_COOKED         ((unsigned char) 48)  // 00110000
#define P2_COOKED_BYTE    1
#define P2_COOKED_OFFSET  4

#define P3_COOKED         ((unsigned char) 192) // 11000000
#define P3_COOKED_BYTE    1
#define P3_COOKED_OFFSET  6

#define CHILI          ((unsigned char) 1)
#define BACON          ((unsigned char) 2)
#define LETTUCE        ((unsigned char) 4)
#define PICKLE         ((unsigned char) 8)
#define CATSUP         ((unsigned char) 16)
#define MUSTARD        ((unsigned char) 32)
#define MAYO           ((unsigned char) 64)
#define SPICE_MUSTARD  ((unsigned char) 128)

#define HOT_SAUCE      ((unsigned char) 1)
#define SALT           ((unsigned char) 2)
#define PEPPER         ((unsigned char) 4)


char* meat_type[] = {"single", "double", "tripple"};
char* bread_type[] = {"no bun", "bun", "wheat bun", "toast"};
char* tomato_type[] = {"no tomato", "tomato", "grilled tomato"};
char* onion_type[] = {"no onion", "onion", "grilled onion"};
char* toppings_type[] = {"chili", "bacon", "lettuce", "pickle", "catsup", "mustard",
                         "mayonaise", "spicy mustard", "hot sauce", "salt", "pepper"};
char* cooked_type[] = {"medium rare", "medium", "medium well", "well done"};
char* cheese_type[] = {"no cheese", "1 slice of cheese", "2 slices of cheese", "3 slices of cheese"};

void PrintBitArray(unsigned char* bit_array, int size)
{
	int i, max, offset, shift;

	max = sizeof(unsigned char)*size*8 - 1;

	for (i = max; i >= 0; i--) {
		offset = i / 8;
		shift = i % 8;
		if ((bit_array[offset] >> shift) & 1)
			cout << "1";
		else
			cout << "0";
	}
}

unsigned char GetByte (unsigned char* bit_array, int i)
{
	return bit_array[i];
}

void PrintOrder(unsigned long o)
{
	unsigned char b;
	int patties, cheese;

	b = GetByte((unsigned char*)(&o), BREAD_BYTE);
	cout << bread_type[((b & BREAD) >> BREAD_OFFSET) % 4];

	b = GetByte((unsigned char*)(&o), MEAT_BYTE);
	patties = ((b & MEAT) >> MEAT_OFFSET) % 3;
	cout << ", " << meat_type[patties];

	b = GetByte((unsigned char*)(&o), TOMATO_BYTE);
	cout << ", " << tomato_type[((b & TOMATO) >> TOMATO_OFFSET) % 3];

	b = GetByte((unsigned char*)(&o), ONION_BYTE);
	cout << ", " << onion_type[((b & ONION) >> ONION_OFFSET) % 3];

	b = GetByte((unsigned char*)(&o), CHEESE_BYTE);
	cheese = (b & CHEESE) >> CHEESE_OFFSET;
	if (cheese > patties + 1)
		cheese = 0;
	cout << ", " << cheese_type[cheese];

	cout << ", patty 1: ";
	b = GetByte((unsigned char*)(&o), P1_COOKED_BYTE);
	cout << cooked_type[((b & P1_COOKED) >> P1_COOKED_OFFSET) % 4];

	if (patties > 0) {
		cout << ", patty 2: ";
		b = GetByte((unsigned char*)(&o), P2_COOKED_BYTE);
		cout << cooked_type[((b & P2_COOKED) >> P2_COOKED_OFFSET) % 4];

		if (patties > 1) {
			cout << ", patty 3: ";
			b = GetByte((unsigned char*)(&o), P3_COOKED_BYTE);
			cout << cooked_type[((b & P3_COOKED) >> P3_COOKED_OFFSET) % 4];
		}
	}

	b = GetByte((unsigned char*)(&o), 2);

	if (b & CHILI)
		cout << ", chili";
	if (b & BACON)
		cout << ", bacon";
	if (b & LETTUCE)
		cout << ", lettuce";
	if (b & PICKLE)
		cout << ", pickle";
	if (b & CATSUP)
		cout << ", catsup";
	if (b & MUSTARD)
		cout << ", mustard";
	if (b & MAYO)
		cout << ", mayonaise";
	if (b & SPICE_MUSTARD)
		cout << ", spicy mustard";

	b = GetByte((unsigned char*)(&o), 3);

	if (b & HOT_SAUCE)
		cout << ", hot sauce";
	if (b & SALT)
		cout << ", salt";
	if (b & PEPPER)
		cout << ", pepper";
}

void main (void)
{
	unsigned long o;

	srand((unsigned)time( NULL ));

	for(int i=0; i < 2000; i++) {
		o = (rand() * rand() * rand()) % UINT_MAX;
//		cout << setw(15) << o << " : ";
//		PrintBitArray((unsigned char*)(&o), sizeof(unsigned long));
		cout << endl;
		PrintOrder(o);
		cout << endl << endl;
	}
}