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

#include "person_v2.h"
#include "student_v2.h"

static void _run_person_methods(Person *p) {
  char *p_str = p->vtable[PERSON_TOSTRING](p);
  printf("%s", p_str);  // Print out their name.
  free(p_str);

  // Check out the accessor!
  printf("get_name accessor returns: %s\n", (char*)p->vtable[PERSON_GET_NAME](p));
}

static void _run_student_methods(Student *s) {
  // Run through all of the inherited methods first! 
  _run_person_methods((Person *)s);

  // Run the new methods!
  printf("student_get_id accessor returns %d\n", (unsigned int)s->vtable[STUDENT_GET_ID](s));
  printf("setting the id. . .\n");
  int res = s->vtable[STUDENT_SET_ID](s, 12345);
  if (!res) {
    printf("Hooray!  Student ID set!  It's now: %d\n", (unsigned int)s->vtable[STUDENT_GET_ID](s));
  }
}

static void _person_test(void) {
  // Let's make a person!
  Person *p = person_new("Donald Knuth");
  _run_person_methods(p);
  p->vtable[PERSON_DELETE](p);
}


static void _student_test(void) {
  Student *s = student_new("James Okada", 920291);
  _run_student_methods(s);
  s->vtable[STUDENT_DELETE](s);
}


int main(int argc, char **argv) {
  printf("======================\n\n");
  _person_test();
  printf("\n-----------------------------\n\n");
  _student_test();
  printf("\n======================\n");
  return EXIT_SUCCESS;
}