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

#define MAX_LENGTH 50
#define MAX_PEOPLE 30

void OutputArray(char* nameArray[40][2][MAX_LENGTH], int size)
{
    char* pos;
    for (int i = 0; i < size; i++)
    {
        pos = *nameArray[i][0];
        while (*pos != '\0')
        {
            printf("%c", *(pos++));
        }
        printf(" ");
        pos = *nameArray[i][1];
        while (*pos != '\0')
        {
            printf("%c", *(pos++));
        }
        printf("\n");
    }
}

void Sort(char* nameArray[40][2][MAX_LENGTH], int size)
{
    char tempFirst[25];
    char tempLast[25];
    for (int i = 0; i <= size; i++)
        for (int j = i + 1; j < size; j++) {
            if (strcmp(*nameArray[i][0], *nameArray[j][0]) > 0) {
                strcpy(tempFirst, *nameArray[i][0]);
                strcpy(tempLast, *nameArray[i][1]);
                strcpy(*nameArray[i][0], *nameArray[j][0]);
                strcpy(*nameArray[i][1], *nameArray[j][1]);
                strcpy(*nameArray[j][0], tempFirst);
                strcpy(*nameArray[j][1], tempLast);
            }
        }
}

int main()
{
    char* nameArray[40][2][MAX_LENGTH];
    char firstName[MAX_PEOPLE][MAX_LENGTH];
    char lastName[MAX_PEOPLE][MAX_LENGTH];
    const char* fileName = "C:\\Users\\Anon\\Dropbox\\Projects2\\DavesHw2\\DavesHw2\\CS2060_Class_Roster.csv";
    char* pos;

    FILE* fp = fopen(fileName, "r");
    int index = 0;
    //fscanf(fp, "%s %s", nameArray[index]);
    fscanf(fp, " ,");
    while (2 == fscanf(fp, "%[^,], %[^\n]\n", firstName[index], lastName[index]))
    {
        *nameArray[index][0] = lastName[index];
        *nameArray[index][1] = firstName[index];
        index++;
    }

    Sort(nameArray, index);
    OutputArray(nameArray, index);

    return 0;
}