/**
 * Author: Daniel Neri
 * Course: COP 3223 Section 3
 * File:   Program 4 - Problem A: Printing Out a Tire (wheel.c)
 * Date:   10/25/2010
 */
#include <stdio.h>
#include <math.h>
#define PI 3.14159;

char fileName[1];
void getFileName();
int main();

int main()
{
    int tripMinutes = 0;
    int tireRadius = 0;
    int index = 0;
    double fuelEfficiencies[10000];

    double circumference;
    double distanceInches;
    double gasConsumed;
    double milesTraveled;
    double averageMPG;
    double inchesToMiles;

    // file handling commands
    getFileName();

    FILE *ifp;

    ifp = fopen(fileName, "r");

    fscanf(ifp, "%d%d", &tripMinutes, &tireRadius);


    for (index=0; index<(60*tripMinutes); index++)
    {
        double seconds_tireRevolutions = 0;
        double seconds_gasConsumed = 0;

        fscanf(ifp, "%lf%lf", &seconds_tireRevolutions, &seconds_gasConsumed);




        if(seconds_gasConsumed == 0 && seconds_tireRevolutions>0)
        {
             fuelEfficiencies[index] = 100;
        }
        else if(seconds_tireRevolutions<=0 && seconds_gasConsumed == 0)
        {
             fuelEfficiencies[index] = 0;
        }else{

            /**
             * Mathematical calculations
             */

            circumference = tireRadius * 2 * PI;

            distanceInches = circumference * seconds_tireRevolutions;

            inchesToMiles = distanceInches / 12 / 5280;

            milesTraveled = inchesToMiles;

            averageMPG = milesTraveled / seconds_gasConsumed;

            fuelEfficiencies[index] = averageMPG;
        }
    }

    double total_tireRevolutions = 0;
    double total_gasConsumed = 0;
    int newFuelEfficiencies[20];
    int temp=0;
    index=0;
    while(index<(tripMinutes))
    {
          for(temp=(300*index);temp<(index*300);temp++)
        {


        }
    }
    for(index=0;index<(60*tripMinutes);index++)
    {
         if(index<300)
         {
              temp= temp+fuelEfficiencies[index];
         }
         printf("currentval: %lf\n", fuelEfficiencies[index]);
    }

    int row = 0;
    int col = 0;
    int labels = 95;
    // Loop through each row.
    for (col=(0); col<20; col++)
    {

        //
        for (row=0; row<=34; row++)
        {
            if(row==0)
            {
                 printf("%-4d", labels);
                 labels = labels-5;
            }

        }
        printf("\n");

    }

    printf("    -----------------------------------\n");
    printf("    00-05 05-10 10-15 15-20 20-25 25-30\n\n");
    fclose(ifp);
    system("PAUSE");
}

void getFileName()
{
     printf("What file stores the car data?\n");
     scanf("%s", &fileName);
     printf("\n\n");
}