/*************************************************
Student: xxxxx
ID number: xxxxx
Instructor: Dr. Julstrom
Class: CSCI 301
Project 1
*************************************************/
 
#include <iostream>
#include <cmath>
#include <cctype>
using namespace std;
 
const int SIZE = 61;
 
int getinput(char []);
void compare(char [], char [], int, int);
 
 
/*************************************************
The purpose of this program is to have a user input
2 sets of different characters, either let it be just
plain characters or a sentence of a mixture of everything,
the program will collect the alphabetical character
and return a state whether the characters match or not
regardless of order.
*************************************************/
int main()
{
	char sentence1[SIZE], sentence2[SIZE];
 
 
/*************************************************
a void type function compare is called passing 2
arrays and 2 integer as parameter.  The parameter
getinput(sentence1) and getinput(sentence2) will
be evaluated separately.
*************************************************/
	compare(sentence1, sentence2, getinput(sentence1), getinput(sentence2));
 
	return 0;
}
 
int getinput(char sentence[])
{
 
 
/*************************************************
The sentence array will store any value input by 
the user that is a alphabetical character and keep
track of how many time it is stored by the integer i.
the returning value after the user hits the enter key
is i.
*************************************************/
	char ch;
	int i = 0;
	cout << "enter something => ";
	cin.get(ch);
	int count = 0;
	while(ch >= ' ' && count < SIZE)
	{
		if (isalpha(ch))
		{
			sentence[i++] = ch;
		}
		cin.get(ch);
		count++;
	}
	return i;
}
 
void compare(char sentence1[], char sentence2[], int i, int k)
{
 
 
/*************************************************
2 local character array is declared along with misc
counters: a and b will increment store1 and store2
while j will increment if a and b are incremented.
 
another set of counters are also declared to count
the arrays in the function parameter.
*************************************************/
	char store1[SIZE];
	char store2[SIZE];
	int a = 0, b = 0, j = 0;	
	int count = 0;
	int count2 = 0;
 
 
/*************************************************
The first test, if i and k is zero from the pass
function parameter, then the input from the user
is indeed an anagram.
*************************************************/
	if(i == 0 && k == 0)
	{
		cout << "test 1" << endl; //test
		cout << "The stuff you typed in is an anagram" << endl;
		exit(1);
	}
 
 
/*************************************************
while count(initially 0) is less than
i(integer passed by parameter);
*************************************************/
	while( count < i)
	{
 
		if((count2 >= i && count == 0) && j == 0)
		{
			cout << "test 2" << endl; //test
			cout << "The stuff you typed in is not an anagram" << endl;
			exit(1);
		}
 
 
		if(sentence1[count] != sentence2[count2])
		{
			count2++;
		}
		else if(sentence1[count] == sentence2[count2])
		{
			store1[a] = sentence1[count];
			store2[b] = sentence2[count2];
			a++; b++; j++;
			count++;
			count2++;
		}
 
	}
	int p = 0;
	if(j == (i) && j == (k))
	{
		while(store1[p] == store2[p])
		{
			if(p == i  && (store1[p] == store2[p]))
			{
				cout << "test 3" << endl; //test
				cout << "The stuff you typed in is an anagram" << endl;
				exit(1);
			}
			p++;
		}
	}
	cout << "test 4" << endl; //test
	cout << "The stuff you typed in is not an anagram" << endl;
}