/* This Program generates a file with a pseudo-random number of st_record_t structures. The file is passed by command line arguments. The program must by executed, in UNIX, this way: ./file_gen -path <path> */

#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <string.h>
#include "types.h"

#define MSG_INVALID_INPUT "Your input was not valid"

#define CMD_FLAG_PATH_POSITION 1
#define CMD_ARG_PATH_POSITION 2

#define CMD_FLAG_PATH "-path"

#define SDM_MAX 10000.0

status_t validate_arguments (int argc, char * argv []);

int main (int argc, char * argv [])
{
    FILE * fi;
    size_t i;
    st_record_t aux_struct, aux2_struct;
    int size;

    if ((validate_arguments(argc, argv))!= OK)
    {
        fprintf(stderr, "%sn", MSG_INVALID_INPUT);
        return EXIT_FAILURE;
    }

    if((fi = fopen(argv[CMD_ARG_PATH_POSITION], "wb")) == NULL)
        return EXIT_FAILURE;

    srand(time(NULL));
    for (i=0; i<(size=100); i++)
    {
        aux_struct.SDM = (((float)rand()/(float)(RAND_MAX)) * SDM_MAX); /*pseudo-random real number between 0 and SDM_MAX*/
        (aux_struct.ID) = i;
        (aux_struct.coordinates)->latitude.deg = rand()%180;
        (aux_struct.coordinates)->latitude.min = rand()%60;
        (aux_struct.coordinates)->latitude.sec = rand()%60;
        (aux_struct.coordinates)->longitude.deg = rand()%180;
        (aux_struct.coordinates)->longitude.min = rand()%60;
        (aux_struct.coordinates)->longitude.sec = rand()%60;
        if((fwrite (&aux_struct, sizeof(st_record_t), 1, fi))!=1)
            return ERROR_WRITING_FILE;
      }

    if(fclose(fi) == EOF)
        return EXIT_FAILURE

    return EXIT_SUCCESS;
}

typedef struct {
        unsigned char deg, min, sec;
        }angle_t;

typedef struct {
        angle_t latitude, longitude;
        }st_coord_t;

typedef struct {
        float SDM;
        size_t ID;
        st_coord_t * coordinates;
        }st_record_t;

aux_struct.coordinates = malloc(sizeof(st_coord_t));

typedef struct {
        float SDM;
        size_t ID;
        st_coord_t * coordinates;
        }st_record_t;

aux_struct.coordinates=malloc(sizeof(st_coord_t));