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

typedef struct worker
{
    char* surname;
    char* name;
    char* membership;
    int age;
    char* position;
    double salary;
};

int main()
{
    struct worker* uk[256];
    char buff[128];
    int age1;
    double sal1;
    int num;
    FILE* fl;
    char input_name[256];
    int i  = 0;
    while (1)
    {
        printf("-----------------------------------------------------------\n");
        printf("1 - To assume the source database from the file\n");
        printf("2 - To display the current contents of the database\n");
        printf("3 - To add the worker\n");
        printf("4 - To delete the workers\n");
        printf("4 - To save the current database to the file and to show the database\n");
        printf("5 - Exit\n");
        printf("-----------------------------------------------------------\n");

        scanf("%d", &num);

        switch(num)
        {
        case 1:
        {
            printf("Please, enter the name of the file from where you want to read your database:\n");
            scanf("%s", input_name);
            if((fl = fopen(input_name, "rw")) == NULL)
            {
                printf("Can't open the file. Try again.");
                exit(1);
            }
            while (fgets(buff, 64, fl) != NULL)
            {
                uk[i] = (struct worker*) malloc(sizeof(struct worker));
                int length = strlen(buff);
                (*uk[i]).surname = (char*) malloc(length*sizeof(char) + 1);
                strcpy((*uk[i]).surname, buff);
                break;
               /* fgets(buff, 64, fl);
                length = strlen(buff);
                (*uk[i]).name = (char*) malloc(length*sizeof(char) + 1);
                strcpy((*uk[i]).name, buff);

                fgets(buff, 64, fl);
                length = strlen(buff);
                (*uk[i]).membership = (char*) malloc(length*sizeof(char) + 1);
                strcpy((*uk[i]).membership, buff);

                fgets(buff, 16, fl);
                (*uk[i]).age = atoi(buff);

                fgets(buff, 64, fl);
                length = strlen(buff);
                (*uk[i]).position = (char*) malloc(length*sizeof(char) + 1);
                strcpy((*uk[i]).position, buff);

                fgets(buff, 16, fl);
                (*uk[i]).salary = atof(buff);*/
                i++;
            }
            break;
        }
        case 2:
        {
            for (int j = 0; j < i; j++)
            {
                printf("%s", (*uk[j]).surname /*/*, %s %s\n%d\n%s\n%lf(*uk[i]).name, (*uk[i]).membership, (*uk[i]).age, (*uk[i]).position, (*uk[i]).salary*/);
            }
            break;
        }
        }
    }
}