#include <stdio.h>
#include <stdlib.h>
#include <string.h>

typedef struct Golfer {
   char fName[80];
   char lName[80];
   int handicap;
} Golfer;

int findBestGolfer(Golfer golfers[], int numGolfers);

void printRoster(Golfer golfers[], int numGolfers);

void sortByHandicap(Golfer golfers[], int numGolfers);

int main() {
   printf("Hello World!\n");
  

   Golfer g;
   strcpy(g.fName,"Roger");
   strcpy(g.lName,"Priebe");
   g.handicap = 17;

   printf("%s, %s - %d\n",g.lName, g.fName, g.handicap);


   Golfer golfers[50];

   FILE *fptr;
   fptr = fopen("golfers.dat", "r");

   int numGolfers = 0;

   if (fptr == NULL) {
       printf("Cannot open file!\n");
       exit(0);
   }
   else {
       printf("found it!\n");

    }

    char fName[80];
    char lName[80];
    int handicap;

    while (fscanf(fptr, "%s %s %d", fName, lName, &handicap) != EOF) {
       golfers[numGolfers].handicap = handicap;
       strcpy(golfers[numGolfers].fName, fName);
       strcpy(golfers[numGolfers].lName, lName);
       
       numGolfers++;   
    }    

    printRoster(golfers, numGolfers);

    int bestGolfer = findBestGolfer(golfers, numGolfers);
    printf("The best golfer is %s\n", golfers[bestGolfer].fName);

    sortByHandicap(golfers, numGolfers);

    printRoster(golfers, numGolfers);
       
}

void printRoster(Golfer golfers[], int numGolfers)
{
  for (int i = 0 ; i < numGolfers; i++) {
     printf("%s, %s - %d\n", golfers[i].lName, golfers[i].fName, golfers[i].handicap);
  }
}


int findBestGolfer(Golfer golfers[], int numGolfers)
{
   int best = 0;
   
   for (int i = 1; i < numGolfers; i++) {
      if (golfers[i].handicap < golfers[best].handicap)
          best = i;
   }

   return best;
}


void sortByHandicap(Golfer golfers[], int numGolfers)
{
   for (int i = 0; i < numGolfers - 1; i++) {
      int best = i;

      for (int j = i + 1; j < numGolfers; j++) {
         if (golfers[best].handicap > golfers[j].handicap)
            best = j;
      }
      
      Golfer temp;
      temp = golfers[i];
      golfers[i] = golfers[best];
      golfers[best] = temp;
   }
}