//Lab 3 Nathan Turcas

#include <iostream>
#include <iomanip>
#include <fstream> // for files
#include <string>
#include <array>

using namespace std;
using std::cin;
using std::cout;
using std::endl;
using std::setw;
using std::ios;
using std::string;
using std::ifstream;
using std::ofstream;

const int MAX = 50;

int ReadData(ifstream& inFile, ofstream& outFile, int pick[], int drop[], int psgrCount[],
	float distance[], float fare[], float toll[], float cpm[], int counter,
	float totalFare[]);
void WriteOutputFile(ofstream& outFile, int totalRecords, int psgr, int pick[], int drop[], int psgrCount[],
	float distance[], float fare[], float toll[], float cpm[]);
void PrintTotalsAndSummary(ofstream& outFile, int totalRecords, int psgr, int psgrCount[], float distance[],
	float fare[], float toll[], float totalFare[], float cpm[], float paid);

int main()
{
	int pick[MAX];
	int drop[MAX];
	int psgrCount[MAX];
	float distance[MAX] = { 0 };
	float fare[MAX];
	float toll[MAX];
	float totalFare[MAX] = { 0 };
	float cpm[MAX] = { 0 };
	int record_counter(0);
	int psgr(0);
	int counter = 0;
	float paid = 0;
	string file;

	ifstream inFile; // write 
	ofstream outFile("output.txt"); //ouputs to this document
	cout << "Enter file name including extensions: " << endl; //use big.txt
	cin >> file;
	inFile.open(file);

	if (inFile.is_open())
	{
		record_counter = ReadData(inFile, outFile, pick, drop, psgrCount, distance, fare,
			toll, cpm, counter, totalFare);
		inFile.close();

		if (outFile.is_open())
		{
			WriteOutputFile(outFile, record_counter, psgr, pick, drop, psgrCount, distance,
				fare, toll, cpm);
			PrintTotalsAndSummary(outFile, record_counter, psgr, psgrCount, distance, fare, toll,
				totalFare, cpm, paid);
			outFile.close();
		}
		else
		{
			cout << "Trouble Opening File";
			cout << "\n\n\t\t ** About to EXIT NOW! ** " << endl;
		}

	}
	else
	{
		cout << "Trouble Opening File";
		cout << "\n\n\t\t ** About to EXIT NOW! ** " << endl;
	}
	return 0;

}
int ReadData(ifstream& inFile, ofstream& outFile, int pick[], int drop[], int psgrCount[],
	float distance[], float fare[], float toll[], float cpm[], int counter,
	float totalFare[])
{
	//heading for table 
	cout << setiosflags(ios::left) << setw(10) << "Trip" <<
		setw(15) << "PickUp" << setw(10) << "DropOff" <<
		setw(10) << "# people" << setw(10) << "Distance" <<
		setw(10) << "Fare" << setw(10) << "Toll" <<
		setw(10) << "Total" << setw(10) << "Cost per mile" << endl;

	inFile >> pick[counter] >> drop[counter] >> psgrCount[counter] >> distance[counter] >>
		fare[counter] >> toll[counter]; //priming reading

	while (!inFile.eof())
	{
		totalFare[counter] = fare[counter] + toll[counter]; //calculate total fare
		cout << setiosflags(ios::left) << setw(10) << counter << setw(15) <<
			pick[counter] << setw(10) << drop[counter] << setw(10) << psgrCount[counter] <<
			setw(10) << distance[counter] << setw(10) << fare[counter] <<
			setw(10) << toll[counter] << setw(15) << totalFare[counter] << setw(10) << endl;

		if (distance[counter] == 0)
		{
			cpm[counter] = 0;
		}
		else
		{
			//calculates cost per mile
			cpm[counter] = (toll[counter] + fare[counter]) / distance[counter];
		}
		cout << setprecision(2) << cpm[counter] << endl;
		counter++;
		inFile >> pick[counter] >> drop[counter] >> psgrCount[counter] >> distance[counter] >>
			fare[counter] >> toll[counter];

	}
	return counter;
}

void WriteOutputFile(ofstream& outFile, int totalRecords, int psgr, int pick[], int drop[],
	int psgrCount[], float distance[], float fare[], float toll[], float cpm[])
{
	outFile << "Here is the Output File" << endl;
	for (int r = 0; r < totalRecords; r++)
	{
		outFile << setiosflags(ios::left) << setw(15) << pick[r] <<
			setw(15) << drop[r] << setw(15) << psgrCount[r] << setw(15) <<
			distance[r] << setw(15) << fare[r] << setw(15) << toll[r] << setw(15) <<
			cpm[r] << endl;
	}

}

void PrintTotalsAndSummary(ofstream& outFile, int totalrecords, int psgr, int passCount[],
	float distance[], float fare[], float toll[], float totalFare[], float cpm[],
	float paid)
{
	for (int i = 0; i < totalrecords; i++)
	{
		psgr += passCount[i];
		float num = fare[i] + toll[i];
		paid += num;
		totalFare[i] = num;

		if (distance == 0)
		{
			cpm[i] = 0;
		}

		else
		{
			cpm[i] = totalFare[i] / distance[i];
			cout << cpm[i] << endl;
		}
	}

	//to screen
	cout << "\n\n\tAverage Cost Per Person: " << paid / psgr << "\n"
		<< "\n\n\t Number of People Transported: " << psgr << "\n"
		<< "\n\n\tTotal Cost: " << paid << "\n"
		<< "\t\t The End \n" << endl;

	//to file
	cout << "\n\n\tAverage Cost Per Person: " << paid / psgr << "\n"
		<< "\n\n\t Number of People Transported: " << psgr << "\n"
		<< "\n\n\tTotal Cost: " << paid << "\n"
		<< "\t\t The End \n" << endl;
}