/*This is Lab 3 assist program. It does not do Lab 3 specs BUT it will
help ALOT!!!
Not many comments shown in order to require students to think
Use an input file with 6 columns of numbers as required in Lab 3 Write up.
Place file in correct path.
*/

#include <iostream>																					//For printing to the screen
#include <fstream>																					//For the files
#include <iomanip>																					//For manipulators & formatting options
using std::cin;																						//Allows use of cin
using std::cout;																					//Allows use of cout
using std::endl;																					//Allows end line
using std::setw;																					//Allows set width
using std::ios;																						//Allows input/output stream commands

using std::ifstream;																				//Allows input file stream
using std::ofstream;																				//Allows output file stream

const int MAX = 50;																					//Adds a constant int of 50, for the maximum number of records

int ReadData(ifstream& inFile, ofstream& outFile, int pick[], int drop[], int psgr[], float
	dist[], float fare[], float toll[]);															//Defines function that reads data from the input file
void WriteOutputFile(ofstream& outFile, int pick[], int drop[], int
	psgr[], float dist[], float fare[], float toll[],
	int counter);																					//Defines function that prints the data from input to output file
void PrintTotalsAndSummary(ofstream& out, int totalRecords);										//Defines function that prints total records to screen and output file

int main()																							//Function main
{
	int pick[MAX];																					//Defines int array for pick up
	int drop[MAX];																					//Defines int array for drop off
	int psgr[MAX];																					//Defines int array for passengers
	float dist[MAX];																				//Defines float array for distance
	float fare[MAX];																				//Defines float array for fare
	float toll[MAX];																				//Defines float array for toll
	int record_counter(0);																			//Defines an int that tracks the number of records taken

	ifstream inFile;																				//Adds an infile to be used later

	//Notice how this automatically opens the file

	ofstream outFile;																				//Adds an outfile to be used later
	outFile.open("C:\\TEMP1\\lab3_Report.txt");

	char file = 'a';																				//sets variable to change input file
	cout << "Please choose a file to open. Press 's' for small.txt"
		 << ", or press 'l' for large.txt: ";														//Prompts user for input file choice
	cin >> file;																					//Reads in users choice for input file
	cout << endl;																					//Prints new line

	switch (file) {																					//switch statement for variable file
	case 's':																						//case when user inputs s for small
		inFile.open("C:\\TEMP1\\small.txt");														//open small.txt
		break;																						//end case
	case 'l':																						//case when user inputs l for large
		inFile.open("C:\\TEMP1\\large.txt");														//open large.txt
		break;																						//end case
	}

	if (inFile.is_open())																			//If the infile is open
	{
		record_counter = ReadData(inFile, outFile, pick, drop, psgr, dist,
			fare, toll);																			//Do the ReadData function and set it as new variable record_counter
		inFile.close();																				//Close the input file
		if (outFile.is_open())																		//If the output file is open
		{
			WriteOutputFile(outFile, pick, drop, psgr,
				dist, fare, toll, record_counter);													//Do the WriteOutptFile function
			PrintTotalsAndSummary(outFile, record_counter);											//Do the PrintTotalsAndSummary function
			outFile.close();																		//Close the output file
		}
		else																						//Otherwise, do this
		{
			cout << "Trouble Opening Output File";													//Print text
			cout << "\n\n\t\t ** About to EXIT NOW! ** ";											//Print text
		}
	}
	else																							//Otherwise, do this
	{
		cout << "Trouble Opening Input File";														//Print text
		cout << "\n\n\t\t ** About to EXIT NOW! ** ";												//Print text
	}
	return 0;																						//Return empty value and end stream
}
int ReadData(ifstream& inFile, ofstream& outFile, int pick[], int drop[], int psgr[], float
	dist[], float fare[], float toll[])																//Function to ReadData from the input file
{
	int counter = 0;																				//Set variable counter
	inFile >> pick[counter] >> drop[counter] >> psgr[counter] >>
		dist[counter] >> fare[counter] >> toll[counter];											//Priming Read
	while (!inFile.eof())																			//While not the end of the in file
	{
		cout << setiosflags(ios::left) << setw(5)
			<< pick[counter] << resetiosflags(ios::left)
			<< setw(10) << drop[counter] <<
			resetiosflags(ios::left)
			<< setw(12) << psgr[counter] <<
			resetiosflags(ios::left)
			<< setw(14) <<
			dist[counter] << resetiosflags(ios::left)
			<< setw(14) << fare[counter] <<
			resetiosflags(ios::left)
			<< setw(14) << toll[counter]
			<< endl;																				//Print infile data as a table

		float total_fare = fare[counter] + toll[counter];											//Adds float total_fare
		cout << "Total fare: " << total_fare << "\n\n";												//Prints total_fare to the screen

		counter++;																					//Add 1 to counter
		inFile >> pick[counter] >> drop[counter] >> psgr[counter]
			>> dist[counter] >> fare[counter] >> toll[counter];										//Sets all of the arrays values to the new counter value
	}
	return counter;																					//Return variable counter
}
void WriteOutputFile(ofstream& outFile, int pick[], int drop[], int
	psgr[], float dist[], float fare[], float toll[], int counter)									//Function to write the output file
{
	outFile << "   Here is the Output File" << endl;												//Print text to the out file
	for (int r = 0; r <= counter - 1; r++)															//Loop while there is still data in the input file
	{
		outFile << setiosflags(ios::left) << setw(5)
			<< pick[r] << resetiosflags(ios::left)
			<< setw(10) << drop[r] <<
			resetiosflags(ios::left)
			<< setw(12) << psgr[r] <<
			resetiosflags(ios::left)
			<< setw(14) <<
			dist[r] << resetiosflags(ios::left)
			<< setw(14) << fare[r] <<
			resetiosflags(ios::left)
			<< setw(14) << toll[r]
			<< endl;																				//Print in file data as a table in the out file

		float total_fare = fare[r] + toll[r];														//Adds variable total_fare
		outFile << "Total fare: " << total_fare << "\n\n";											//Prints total_fare to the out file
	}
}
void PrintTotalsAndSummary(ofstream& outFile, int totalRecords)										//Function to print the total records
{
	// To screen
	cout << "\n\n\t** Total Records: " << totalRecords << " **\n"									//Prints the total records to the screen
		<< "\t\t The End \n";																		//Prints The End to the screen
	// To file
	outFile << "\n\n\t** Total Records: " << totalRecords << " **\n"								//Prints the total records to the out file
		<< "\t\t The End \n";																		//Prints The End to the out file
}