#include <platform.h>
#include "calendar.h"

#include <assert.h>
#include <stdlib.h>

int first_turn = 0;
int first_month = 0;
int weeks_per_month = 0;
int months_per_year = 0;
char **seasonnames = NULL;
char **weeknames = NULL;
char **weeknames2 = NULL;
char **monthnames = NULL;
int *month_season = NULL;
char *agename = NULL;
int seasons = 0;

const gamedate *get_gamedate(int turn, gamedate * gd)
{
  int weeks_per_year = months_per_year * weeks_per_month;
  int t = turn - first_turn;

  assert(gd);
  if (t < 0)
    t = turn;

  gd->week = t % weeks_per_month;       /* 0 - weeks_per_month-1 */
  gd->month = (t / weeks_per_month + first_month) % months_per_year;    /* 0 - months_per_year-1 */
  gd->year = t / (weeks_per_year) + 1;
  gd->season = month_season[gd->month];
  return gd;
}

void calendar_cleanup(void)
{
  int i;

  free(agename);

  for (i = 0; i != seasons; ++i) {
    free(seasonnames[i]);
  }
  free(seasonnames);

  for (i = 0; i != months_per_year; ++i) {
    free(monthnames[i]);
  }
  free(storms);
  free(month_season);
  free(monthnames);

  for (i = 0; i != weeks_per_month; ++i) {
    free(weeknames[i]);
    free(weeknames2[i]);
  }
  free(weeknames);
  free(weeknames2);
}