#include <stdint.h>
#include "epoch.h"

void yearNew(Year *year, int32_t inner) {
    year->year = inner;
    if (inner % 4 == 0 && (inner % 100 != 0 || inner % 400 == 0))
        year->tag = leapYear;
    else
        year->tag = normalYear;
}

uint16_t yearGetDays(Year *year) {
    switch (year->tag) {
        case normalYear:
            return 365;
        case leapYear:
            return 366;
        default:
            return 365;
    }
}

int64_t yearGetSeconds(Year *year) {
    return (int64_t)yearGetDays(year) * SECONDS_PER_DAY;
}

int32_t yearGetInner(Year *year) {
    return year->year;
}

void yearIncrement(Year *year) {
    year->year += 1;
    if (year->year % 4 == 0 && (year->year % 100 != 0 || year->year % 400 == 0))
        year->tag = leapYear;
    else
        year->tag = normalYear;
}

void yearDecrement(Year *year) {
    year->year -= 1;
    if (year->year % 4 == 0 && (year->year % 100 != 0 || year->year % 400 == 0))
        year->tag = leapYear;
    else
        year->tag = normalYear;
}