// BlankConsoleLab.cpp : This file contains the 'main' function. Program execution begins and ends there.
/*
* Benjamin Smith
* CST 116
* Lab 3
*/

#include <iostream>
#include <fstream>
#include <iomanip>

using namespace std;

int counter = 0;
int pickup[50], dropoff[50], passengers[50];
float distance_trav[50], fare[50], toll[50];
double total_fare[50], cost_per_mile[50];
string filename = "";


void Other_Calculations(double money[], int count_var);
float Fare_Calc(double moneys[], int counting);


int main()
{
    //Setup stream to the already existing file with the data
    ifstream infile;
    infile.open("C:\\Users\\cowpi\\source\\repos\\cst116-lab3-Smith-Benjamin\\large.txt");

    //If the file opened correctly, it will read all its data to the already initialized arrays
    if (infile.is_open()) {
        while (!infile.eof()) {
            infile >> pickup[counter] >> dropoff[counter] >> passengers[counter] >> distance_trav[counter] >> fare[counter] >> toll[counter];
            counter++;
        }
        infile.close();
    }
    //If the file didn't open correctly. it will give an error and end the program
    else {
        cout << "There was an error loading the in file. You may need to reset its address to one on your local device." << endl;
        system("pause");
        return 0;
    }

    //The user may enter the name of the file for which data is to be exported
    cout << "Please enter the name of the file you wish to export the results into" << endl << "You must include the \".txt\" at the end of your file name: ";
    cin >> filename;

    //Setup stream to create or overwrite a file for data to be transferred to
    ofstream outfile;
    outfile.open(filename);

    //If the file opened correctly, it will do the math to output the correct fare and cost-per-mile values to the file
    if (outfile.is_open()) {
        for (int counting = 0; counting < counter; counting++) {
            total_fare[counting] = fare[counting] + toll[counting];

            if (distance_trav[counting] != 0)
                cost_per_mile[counting] = fare[counting] / distance_trav[counting];
            else
                cost_per_mile[counting] = 0;

            outfile << total_fare[counting] << " " << cost_per_mile[counting] << endl;
        }
        cout << "The file was correctly creating and/or written to" << endl;
        outfile.close();
    }
    //If the file didn't open correctly. it will give an error and end the program
    else {
        cout << "There was an error creating or writing to the file" << endl;
        system("pause");
        return 0;
    }

    //All other calculations and screen-displayings will be done via this function call
    Other_Calculations(total_fare, counter);

    return 0;
}

void Other_Calculations(double money[], int count_var) {
    //Output the values of the total travellers, total fares, and cost per person
    cout << endl << endl << endl;
    cout << "The total number of travellers is: " << count_var << "." << endl;
    cout << "The total amount of the fares is: " << Fare_Calc(total_fare, count_var) << "." << endl;
    cout << "The average cost per person is: " << Fare_Calc(total_fare, count_var) / count_var << "." << endl;
}

float Fare_Calc(double moneys[], int counting) {
    //Initialize the sum variable to 0
    int sum = 0;

    //Add up the totals of all the fares
    for (int count_variable = 0; count_variable < counting; count_variable++) {
        sum += total_fare[count_variable];
    }
    return sum;
}