/**
Name: Martin Peters
Filename: NumberCollection
Date: 6/29/2015
Specification: Collects Numbers in an Array
For: CSE 110 - Assignment 6
Time Spent: 90 minutes
*/

import java.util.Scanner;
import java.util.Arrays;

public class NumberCollection
{
	private double[] numberArray;
	private int count;
	public NumberCollection(int arraySize)
	{
		double[] numberArray = new double[arraySize];
		count = 0;
	}
	private int indexOf(int searchingNum)
	{
		boolean found = false;
		int index = 0;
		while (index < numberArray.length && !found)
		{
			if (numberArray[index] == searchingNum)
			{
				found = true;
			}
			else
			{
				index++;
			}
		}
		if (found)
		{
			return index;
		}
		else
		{
			return -1;
		}
	}

	public boolean addNumber(int numberToAdd)
	{
		int numToAdd = numberToAdd;
		boolean found = false;
		int index = 0;
		while (index < numberArray.length && !found)
		{
			if (numberArray[index] == numToAdd)
			{
				found = true;
		}
			else
			{
				index++;
			}
		}
		if (found)
		{
			index = -1;
		}
		if (index == -1)
		{
			boolean numAdded = false;
			return numAdded;
		}
		else
		{
			if (count >= numberArray.length)
			{
				double[] newArray = Arrays.copyOf(numberArray, numberArray.length * 2);
				numberArray = newArray;
				numberArray[count] = numberToAdd;
				count++;
			}
			else
			{
				numberArray[count] = numberToAdd;
				count++;
			}
		}
		boolean numAdded = true;
		return numAdded;
	}
	public double findMax()
	{
		double largest = numberArray[0];
		for (int i = 1; i < numberArray.length; i++)
		{
			if (numberArray[i] > largest)
			{
				largest = numberArray[i];
			}
		}
		return largest;
	}
	public double findMin()
	{
		double least = numberArray[0];
		for (int i = 1; i < numberArray.length; i++)
		{
			if (numberArray[i] < least)
			{
				least = numberArray[i];
			}
		}
		return least;
	}
	public double computeSum()
	{
		double total = 0;
		for (double element : numberArray)
		{
			total = total + element;
		}
		return total;
	}
	public String toString()
	{
		double firstNum = numberArray[0];
		String allNums = "{" + Double.toString(firstNum);
		for (int i = 1; i < numberArray.length; i++)
		{
			allNums = allNums + ", " + Double.toString(numberArray[i]);
		}
		allNums = allNums + "}";
		return allNums;
	}
}