#include <stdio.h>
#include <time.h>
#include "age.h"

void printf_color(const char* str, const char* col)
  { printf("%s%s%s", col, str, AC_RESET); }

int main(int argc, char* argv[]) {
  struct tm birth, event;
  printf_color(" Date format: ", AC_GREEN);     // intro
  printf_color("year-month-day\n", AC_YELLOW);

  printf_color(" Birth date: ", AC_GREEN);      // birth
  printf(AC_YELLOW);
  scanf("%d-%d-%d", &birth.tm_year, &birth.tm_mon, &birth.tm_mday);

  printf_color(" Event date: ", AC_GREEN);      // event
  printf(AC_YELLOW);
  scanf("%d-%d-%d", &event.tm_year, &event.tm_mon, &event.tm_mday);

  birth.tm_mday--; event.tm_mday--;             // compute
  birth.tm_mon--;  event.tm_mon--;
  int age = event.tm_year - birth.tm_year;
  if ((birth.tm_mon > event.tm_mon) || ((birth.tm_mon == event.tm_mon) &&
                                        (birth.tm_mday > event.tm_mday)))
    { age--; }

  printf("%s Age: %s%d%s\n", AC_GREEN, AC_BLACK_ON_WHITE, age, AC_RESET);
  return 0;
}