#include <iostream>
#include <cstdio>
#include <fstream>
#include <string>
#include <iomanip>
#include <cstring>
using namespace std;
const int SZ = 20; // size of arrays to hold scores
struct payrollStruct
{
	string firstname; // first name of golfer
	string lastname; // last name of golfers
        string empID; 
       // int hrs;
};
void tellUser();
int readInput(payrollStruct []);
void bubbleSort(payrollStruct [], int);
int writeReport(payrollStruct [], int);
void swap(payrollStruct *, payrollStruct *);
int main()
{
    int i, code, ret; // counter
    payrollStruct employee[SZ]; // array of golfers and data
    int numemp; // total number of golfers
    tellUser(); // tell user what program does 
    numemp= readInput(employee);
    cout << "There were " << numemp << " golfers\n\n";
    if (numemp < 1)
    {
       cout << "Program ending\n\n";
       code = 1;
    }
    else
    {
       // calculate total and average for each golfer
       cout << "calculating average and totals\n";
       // sort golfers
       cout << "Sorting the golfers in order with the winner first\n";

       bubbleSort(employee, numemp);
       code =  writeReport(employee, numemp);
   }
   return code;
}
/* **************************************************************************
* output report
* this function writes data to screen and file
* input parameters: array of golfStructs and number golfers
* ouput written to screen and file
-
womengolfreport.txt
* ************************************************************************* */
int writeReport(payrollStruct emp[],int numE)
{
    int i; // counter
    ofstream outputFile; // output file
    // open report file and write output data ********************
    cout << "Report being written to file payroll.txt\n";
    outputFile.open("payroll.txt"); // output file
    if (outputFile.fail())
    {  
       cout << "output file did NOT open\n";
       cout << "output will only be sent to the screen\n";
       cout << "\n\nGolfer Name Pos rnd1 rnd2 rnd3 rnd4 total average\n";
       for ( i=0; i < numE; i++)
       {
       		 //emp[i].place = (i + 1);
		 cout << emp[i].firstname << " ";
		 cout << emp[i].lastname << " ";
		 cout << emp[i].empID << "\n";// << emp[i].hrs << " ";
		// cout << emp[i].rate << " ";// << glf[i].rounnd[3] << " ";
		// cout << glf[i].totalScore << " ";
		// cout << glf[i].averageScore << "\n";
       }
    }	 // end if file did not open
    else
    {
	cout <<"First          Last       Employee     Hours        Rate      Regular    Overtime    Gross\n";  //table of employees payroll data sheet to the screen
        cout <<"Name           Name        Number      Worked      of Pay       Pay        Pay        Pay\n";
        cout <<"===========================================================================================\n";
        outputFile <<"First          Last        Employee     Hours       Rate      Regular    Overtime    Gross\n";//table of employees payroll data sheet to txt file
        outputFile <<"Name           Name         Number      Worked     of Pay      Pay        Pay        Pay\n";
        outputFile <<"=========================================================================================\n";
             // loop to print report of golfers ********************
             for ( i=0; i < numE; i++)
             {
	//	emp[i].place = (i + 1);
	        //outpute << setw(12);
                //outputFile << setw(9) << fixed << left << glf[i].lastname << " ";
		//outputFile << setw(9) << fixed << left << glf[i].firstname << " ";
		//outputFile << glf[i].place << " ";
		//outputFile << setw(4) << fixed << left << glf[i].rounnd[0] << " ";
                //outputFile << setw(4) << fixed << left << glf[i].rounnd[1] << " ";
		//outputFile << setw(4) << fixed << left << glf[i].rounnd[2] << " ";
                //outputFile << setw(4) << fixed << left << glf[i].rounnd[3] << " ";
		//outputFile << setw(6) << fixed << left << glf[i].totalScore << " ";
		//outputFile << setw(7) << fixed << setprecision(2) << glf[i].averageScore << "\n";
				
                cout << fixed << left <<  emp[i].lastname << setw(10) << emp[i].firstname;
                cout << emp[i].empID << "\n";
	    }		
	    outputFile.close();
            cout << "Output file closed\n\n";
    } // end else output file open
    return 0;
} // end of writeReport **************************************
/* *********************************************************
* bubble sort with flag
* this function sorts golfers into order by total score
* the winner is first with the lowest score, alphabetical
* order when scores match
* input parameters: array of golfStruct and number of golfers
* in that array
* ouput: those array items are now sorted
*************************************************************** */
void bubbleSort(payrollStruct emp[], int numE)
{
	bool swapmade = false; // when true a swap was made in this pass
	int i, lastpos; // last position to look for correct order
	// sort the golfers from winner to loser
    cout << "sorting golfers with winner first\n";
    lastpos = numE;
    do
    {
	lastpos--;
	swapmade = false;
	for ( i = 0; i < lastpos; i++)
	{
	    if ( emp[i].lastname > emp[i+1].lastname) // they are in the wrong order
	    { // swap all items here
	      	swap(emp[i], emp[i+1]);
	        swapmade = true;
	    {
	} // end of for loop
     } while(swapmade); // end of do loop
}
/* *********************************************************
* readInput
i* This function reads golfer data from a file "women.txt"
* It stores the first and last names of golfers and 4 rounds
* of golf scores for each golfer in an array of structures
* input: first and last names, 4 golf scores each person
* passes back: array of golfer data in structure
*
returns: number of golfers
*************************************************************** */
int readInput(payrollStruct  emp[])
{
    ifstream inputFile; // input filename in program
    int numEmp; // number employees 
    int i;// counter
    // open file and read input from file golfers.txt
    inputFile.open("employees2.txt"); 
    if (inputFile.fail())
    {
	cout << "Error opening file women.txt\n\n";
        cout << "end of program\n\n";
    	return 0;
    }
    else 
    {
        i = 0; // golfer number for array	
	while ( ( i < SZ) && (inputFile >> emp[i].empID))
	{ // there is a line of data to read and array has rooms
		inputFile >> emp[i].lastname; // read last name of golfer
                inputFile >> emp[i].firstname; // read first name of golfer
                i++; // ready for the next golfer
	} // end while
	numEmp = i; // number golfers
	inputFile.close(); // close the file after reading it
	cout << "input file closed\n\n";
	return numEmp; // return number golfers read in file
    } // end if else
} // end function readInput
/* ***************************************************************
* function tellUser
* it tells the user what the program does
* it prints output to the screen
* input: none output: tells user on s
creen what program does
* returns: none
****************************************************** */
void tellUser()
{
	cout << "This program reads a file called employees2.txt,\n";
	cout << "and it calculates the total and average for each golfer.\n";
	cout << "golfers are sorted into order with winner first and loser last.\n";
	cout << "output is written to the screen. and to an output file\n";
	cout << "It uses an array of structures to store the data\n";
}
/*************************************
* Function swap
* this function swaps to golfStructs
* input parameters: two golf structs
* output parameters: now swapped with each other
****************************/
void swap(payrollStruct &empa, payrollStruct &empb)
{
	payrollStruct temp; // place to store one golfer data
	temp = empb;
	empb = empa;
	empa = temp;
}