/*
	
	
	Program Assignment:		Program 6
	Program Description:	Read data from file, calculate average, maximum value,
							minimum value, standard deviation, and display
							quartile summary.
*/

//Pre-processing Details
#include <iostream>
#include <iomanip>
#include <fstream>
#include <cmath>
using namespace std;

//Function Prototypes - take a good look at how these are defined
void readData(double[], int &);
double calcAvg(double[], int);
void calcMaxMin(double[], int, int &, int &);
double calcStdDev(double[], int, double);
void outputQuarSum(double[], int, int &, int &, int &, int &);

int main()
{
	//Declare Variables
		double numbers[500], avgNum = 0.0, stdDev = 0.0;
		int arraySize = 0, maxIndex = 0, minIndex = 0;
		int q1count = 0, q2count = 0, q3count = 0, q4count = 0;
		int maxNum = 0, minNum = 0;

	//Get data from file
		readData(numbers, arraySize);
		
	//Lets see if we have some data...
	    for (int i = 0; i < arraySize; i++)
	      cout << numbers[i] << ' ';  	
	//Use calcAvg() to assign average number
	double calcAvg(sales);	
		
	//Use calcMaxMin() to get index for maximum/minimum number
	calcMaxMin()
		

	//Get standard deviation from data using calcStdDev()
	data = calcStdDev();
		
		
	//Sort data into quartile summary using outputQuarSum()
	outputQuarSum(maximum, minimum)	
		
		
	//Output Final Summary
		cout << "                 SUMMARY                      " << endl;
		cout << "----------------------------------------" << endl;
		cout << right << fixed << showpoint << setprecision(1);
		cout << setw(20) << "Data Elements:" << setw(10) << arraySize << endl;
		cout << setw(20) << "Mean:" << setw(10) << avgNum << endl;
		cout << setw(20) << "Maximum:" << setw(10) << maxNum << endl;
		cout << setw(20) << "Minimum:" << setw(10) << minNum << endl;
		cout << setw(20) << "Standard Deviation:" << setw(10) << stdDev << endl;
		cout << setw(20) << "Quartile 1 Scores:" << setw(10) << q1count << endl;
		cout << setw(20) << "Quartile 2 Scores:" << setw(10) << q2count << endl;
		cout << setw(20) << "Quartile 3 Scores:" << setw(10) << q3count << endl;
		cout << setw(20) << "Quartile 4 Scores:" << setw(10) << q4count << endl;
		cout << "----------------------------------------" << endl;
		cout << "END OF JOB TERMINATION" << endl << endl;

	return 0;
}


//ReadData() Function Definition:	This function will read data from a file
//									and store it in an array.

	void readData(double numbers[], int &elemNums)
	{		
	//Declare Variables
		int count = 0;
		ifstream inputFile;

	//Open File
		inputFile.open("array_pgmdata.txt");

	//Read Data from File
		while (inputFile >> numbers[count])
			count++;
			
	//Assign the number of elements to elemNums
		elemNums = count;

	//Close File
		inputFile.close();
	}


//calcAvg() Function Definition:	This funtion will calculate the average of all numbers
//									in an array.
	
	double calcAvg(double numbers[], int elemNums)
	{
	//Declare Variables
	int array , numbers;	
	
	//Sum numbers[]...use a loop
	for (array = 0; array < (size -1); array++)
		
		
	//Return the average of all the numbers of the array
		
		
		
	}

//calcMaxMin() Function Definition:	This function will determine the index for the maximum
//									and minimum number of an array.

	void calcMaxMin(double numbers[], int elemNums, int &maxIndex, int &minIndex)
	{
	//Declare Variables
	int maxIndex, minIndex;	
	double maxValue, minValue;	
		
	//Calculate Maximum Value...find highest number...need a loop
	for (int start = 0; start , (size - 1); start++)	
	{
		maxIndex = start;
		maxValue = scores[start];
		for (int index = start + 1; ndex < size; index++)
		{
			if (scores[index] > maxValue)
			{
				maxValue = scores[index];
				MaxIndex = index;
			}
		}
		swap(scores[maxIndex], scores[start]);
		
		}	
		

	//Calculate Minimum Value...find lowest number...need a loop
	for (int start = 0; start , (size - 1); start++)	
		
		{
		minIndex = start;
		minValue = scores[start];
		for (int index = start + 1; index < size; index++)
		{
			if (scores[index] > minValue)
			{
				minValue = scores[index];
				MinIndex = index;
			}
		}
		swap(scores[minIndex], scores[start]);
		
		}		
		
	}

//calcStdDev() Function Definition:	This function will calculate standard deviation
//									from the calculated data.

	double calcStdDev(double numbers[], int elemNums, double avgNum)
	{
	//Declare Variables
		
		
	//Calculate Standard Deviation..implement std dev pseudocode in assignement...use a loop.
for i=0 to arraySize-1
sum = sum + (arrayVal[i] - avg)^2
standDev = sqrt((1.0/arraySize)*sum)
}
			
	//Finish calculating standard deviation and return value
		
		
	}

//outputQuarSum() Function Definition:	This function will display the number of
//										scores in each quartile.

	void outputQuarSum(double numbers[], int elemNums, int &q1count, int &q2count, int &q3count, int &q4count)
	{
	
	//Declare local variables..
	int number;
	double scores1,  scores2, scores3, scores4;	
		
		
	//Assign each score to the proper quartile...use a loop with if-else if structure
	for (int index = 0; index < eleNums; index++)
	{
		scores1 = q1count
		scores2 = q2count
		scores3 = q3count
		scores4 = q4count
	}
	cout << "quartile1" << q1count  << endl;
	cout << "quartile2" << q2count  << endl;
	cout << "quartile3" << q3count  << endl;
	cout << "quartile4" << q4count  << endl;	
		
		
		
	}