/**
 * @file time.h
 *
 * @author Freya Murphy <freya@freyacat.org>
 *
 * System time structure
 */

#ifndef TIME_H_
#define TIME_H_

#include <stddef.h>

typedef struct {
	int sec; /// Seconds [0,59]
	int min; /// Minutes [0,59]
	int hour; /// Hour [0,23]
	int mday; /// Day of month [1,31]
	int mon; /// Month of year [0,11]
	int year; /// Years since 1900
	int wday; /// Day of week [0,6] (Sunday = 0)
	int yday; /// Day of year [0,365]
	int yn; /// Year number [0,99]
	int cen; /// Century [19,20]
	int leap; /// If year is a leap year (True == 1)
} time_t;

typedef enum {
	TZ_UTC = 0,
	TZ_EST = -5,
	TZ_EDT = -4,
} timezone_t;

/**
 * Sets the current timezone
 */
extern void set_timezone(timezone_t tz);

/**
 * Returns current time in UTC
 */
extern time_t get_utctime(void);

/**
 * Returns current time from current Timezone
 */
extern time_t get_localtime(void);

/**
 * Return the time on the system clock
 */
extern size_t get_systemtime(void);

/**
 * Converts the time into a string format
 *
 * @param time - the current time
 * @param format - see manpage for date
 * @param buf - the buffer to store it in
 */
extern void timetostr(time_t *time, char *format, char *buf, size_t n);

#endif /* time.h */