/*************************
* Julian Hovind          *
* 200271353              *
* Assignment 8 Program 3 *
*proper use of arrays    *
* Due: December 2, 2008  *
* Date: November 26, 2008*
* CS110-001 Prof: Ivanov *
*************************/

#include <iostream>
#include <fstream>
using namespace std;

bool isNumInArray(int[], int, int);
int userIns(int);



int main()
{
	int numstore[200];
	int size = 0;
	int val = 0;
	ifstream indata;
	string file_name;
	bool TORF;
	int count;
	
	cout << "Please enter the file name: ";
	cin >> file_name;
	
	indata.open(file_name.c_str());
	
	if(!indata.is_open())						//makes sure data file exists
	{
    cout << "error. quitting" << endl;
    return(1);
	}
    else
	{
  
		while (!indata.eof())		// runs loop until no more numbers are in the file
		{
			indata >> numstore[count];
			count  ;
		}
	}
	
	cout << "Opening " << file_name << " and grabbing all values stored... Done!" << endl;
	//lets user know that the file has been opened and numbers are stored
	do
	//loop goes until user enters 1000  or -1000-
	{
	val = userIns(val);
	//users number to search for
	TORF = isNumInArray(numstore, size, val);
	//sotres TrueOrFalse value for checking
	if (TORF == true)
	{
		cout << "Number " << val << " is FOUND in the input file." << endl;
	}
	else if (TORF == false)
	{
		cout << "Number " << val << " was NOT FOUND in the input file." << endl;
	}
	//checks if the number is in file or not.
	} while (val < 1000 && val > -1000);
	
	cout << "Quitting......." << endl;
	indata.close();
	return 0;
}
//-----------------------------------
//asks the user for a value
//sends value back to main program
//Precondition: none
//Postcondition:sends value back
int userIns(int val)
{
	cout << "Please enter a number to find: ";
	cin >> val;
	
	return val;
}
//-----------------------------------
//This function checks the value that the user inputs to see if the value is in 
//the array and lets the main program know if it is.
//Preconditon: takes users entered number
//Postcondition: returns true or false
bool isNumInArray(int arr[], int size, int val)
{
	cout << val << endl;
	for (int i = 0; i < size; i  )
	{
		if (arr[i] == val)
			return true;
	}
	
	return false;
}