/ ********************************************************************************
*******
main
********************************************************************************
********/

#include <string>
#include <iostream>
#include <fstream>
#include <iomanip>
#include "election.h"

using namespace std;

//functions outside of main
int getinfo();
void dynamic(candidate* &ptr,int& size);

//Main function calls the getinfo function
int main()
{

    getinfo();
}

//getinfo function - reads the input file and calls the print function to print the candidate(s) name and votes, then calls the dynamic function
int getinfo()
{
    int votes;                                                                            //votes for each candidate
    int totalvotes = 0;                                                                    //total votes for each candidate
    int counter = 0;                                                                    //temporary variable that keeps count
    int maximum = 0;                                                                    //temporary variable
    int size = 5;                                                                        //maximum size for the array
    string file;                                                                        //name of the data file being read
    string winner;                                                                        //winner of the election
    string candidatename;                                                                //candidate name
    candidate *ptr;                                                                        //pointer
    ifstream in;                                                                        //variable for the infile
    ptr = new candidate[size];                                                            //creates an array for the pointer ptr
    
    cout <<"Please enter the data filename: ";                                            //prompts for the file name
    cin >> file;                                                                        //accepts user input
    cout <<endl <<endl;

    in.open(file.c_str(),ios::in);                                                        //opens the infile
    
    while(!in)                                                                            //checks if the infile name is valid
    {
        cout <<"\nThe data file could not be opened!\nPlease re-enter the data file name: ";                                
        in.clear();
        cin >> file;
        in.open(file.c_str(),ios::in);
    }

    cout <<endl <<endl <<"  Candidate " <<setw(18) <<"  Votes Received " <<setw(15) <<"  Percentage of Votes Received" <<endl;
    cout <<"-------------------------------------------------------------------------\n";
    
    while(in >> candidatename >> votes)                                                    //while infile has candidates and the votes received
    {    
        totalvotes = totalvotes + votes;                                                //equation for totaling totalvotes
        ptr[counter].getdata(candidatename,votes);                                        //gets the data for that candidate
    
        counter = counter + 1;                                                            //increments the counter
        
        if(counter == size)
            dynamic(ptr,size);                                                            //calls the dynamic function
    }

    for(int i = 0; i < counter; i++)
    {
        ptr[i].print(totalvotes);                                                        //calls the print function
    }

    cout <<endl <<"                    --------------------\n";
    cout <<"Total Votes: \t    " <<totalvotes <<endl;
    
    for(int i = 0; i < counter; i++)
    {
        ptr[i].max(maximum,winner);                                                        //calls the max function
    }

    {
        cout <<"The winner is: " <<winner <<endl <<endl;
        return 0;
    }
}

//Dynamic Function - receives the pointer ptr and integer size
void dynamic(candidate* &ptr,int& size)
{
    candidate* ptr2;                                                                    //pointer ptr2
    ptr2 = new candidate[size+5];                                                        //creates an array for the pointer ptr2
    
    for(int i = 0; i < size; i++)
        ptr2[i] = ptr[i];                                                                //sets pointer ptr2 equal to ptr
    size = size + 5;                                                                    //size equals size plus 5
    delete[] ptr;                                                                        //deletes the pointer ptr
    ptr = ptr2;                                                                            //sets pointer ptr equal to ptr2
}


/*************************************************************************
header
*************************************************************************/
#include <string>

#ifndef H_candidate
#define H_candidate

using namespace std;

class candidate
{
    private:
             string name;                                                                //name of the candidate
             int numvotes;                                                                //number of votes for the candidate
                     
    public: candidate();                                                                //constructor
            void getdata(string, int);                                                    //function that gets the data
            int max(int&, string&);                                                        //function for the max votes or tie     
            void print(int);                                                            //prints candidate name, total votes, and percentage to the screen
};
#endif


/*************************************************************************
Implementation
*************************************************************************/

#include <iostream>
#include <iomanip>
#include <fstream>
#include <string>
#include "election.h"

using namespace std;

candidate::candidate()                                                                    //constructor that initializes name to blank and numvotes to 0
{
    name = " ";
    numvotes = 0;
}

void candidate::getdata(string candidatename, int votes)                                //sets the name of the candidate and the number of votes
{
    name = candidatename;
    numvotes = votes;    
}
void candidate::print(int totalvotes)                                                    //prints the candidate's name, num of votes, and % to the screen
{    
    float percentage;                                                                    //% of votes variable
    percentage = static_cast<float>(numvotes * 1.0 / totalvotes) * 100;                    //calculates the percentage of votes
    
    cout <<fixed <<showpoint;
    cout <<setprecision(2);
    cout <<setw(10) <<name <<setw(15) <<numvotes;
    cout <<setw(15);
    cout <<percentage <<endl;
}
int candidate::max(int& max,string& winner)                                                //calculates the maximum number of votes and if there is a tie
{
    if(numvotes > max)
    {
        max = numvotes;
        winner = name;
        return 0;
    }

    else if(numvotes == max)
    {
        cout <<"There is a tie!" <<endl;
        return 1;
    }
}

for(int i = 0; i < counter; i++)
    {
        ptr[i].max(maximum,winner);                                                        //calls the max function
    }
    //Something Here?????
    {
        cout <<"The winner is: " <<winner <<endl <<endl;
        return 0;
    }