//file: dataread.c

/*
 * This function is used to scan the data files to arrange the
 * data into a 2D array  Also it will indirectly pass the start
 * and end distances between cities. */

#include "dataread.h"

int main()
{
        //initialize variables
        int  distance[15], j = 0, i = 0;
        char city1[15][20], city2[15][20];

        //creating file pointers
        FILE *fin1, *fin2, *fin3;

        //opening file leg1
        if((fin1 = fopen(leg1, "r")) == NULL)
                printf("ERROR: cannot open %s\n", leg1);

        //read and scan leg1 file
        for(; i < 3; i++)
                fscanf(fin1, "%s %s %d", &city1[i][j], &city2[i][j], &distance[i]);

        //close the files
        fclose(fin1);

        //opening file leg2
        if((fin2 = fopen(leg2, "r")) == NULL)
                printf("ERROR: cannot open %s\n", leg2);

        //read and scan leg2 file
        for(; i < 12; i++)
                fscanf(fin2, "%s %s %d", &city1[i][j], &city2[i][j], &distance[i]);

        //close the files
        fclose(fin2);

        //opening file leg3
        if((fin3 = fopen(leg3, "r")) == NULL)
                printf("ERROR: cannot open %s\n", leg3);

        //read and scan leg3 file
        for(; i < 15; i++)
                fscanf(fin1, "%s %s %d", &city1[i][j], &city2[i][j], &distance[i]);

        //close the files
        fclose(fin3);

        //test print the to check if arrays were properly saved
        for(int x = 0; x < 15; x++)
        {
                for(int k = 0; k < 20; k++ )
                {
                        if (city1[x][k] == '\0')
                                break;
                        printf("%c", city1[x][k]);
                }
                printf(" ");

                for(int j = 0; j < 20; j++ )
                {
                        if (city2[x][j] == '\0')
                                break;

                        printf("%c", city2[x][j]);
                }
                printf(" %d\n", distance[x]);
        }
}