/*****************************************************************************
 * Copyright (c) 2014-2023 OpenRCT2 developers
 *
 * For a complete list of all authors, please refer to contributors.md
 * Interested in contributing? Visit https://github.com/OpenRCT2/OpenRCT2
 *
 * OpenRCT2 is licensed under the GNU General Public License version 3.
 *****************************************************************************/

#pragma once

#include "common.h"

constexpr int32_t MAX_YEAR = 8192;
constexpr int32_t TICKS_PER_MONTH = 0x10000;

enum
{
    MONTH_MARCH,
    MONTH_APRIL,
    MONTH_MAY,
    MONTH_JUNE,
    MONTH_JULY,
    MONTH_AUGUST,
    MONTH_SEPTEMBER,
    MONTH_OCTOBER,

    MONTH_COUNT
};

enum
{
    DATE_FORMAT_DAY_MONTH_YEAR,
    DATE_FORMAT_MONTH_DAY_YEAR,
    DATE_FORMAT_YEAR_MONTH_DAY,
    DATE_FORMAT_YEAR_DAY_MONTH
};

namespace OpenRCT2
{
    /**
     * Represents the current day, month and year in OpenRCT2.
     */
    class Date final
    {
    private:
        uint16_t _monthTicks = 0;
        uint32_t _monthsElapsed = 0;

    public:
        Date() = default;
        Date(uint32_t monthsElapsed, uint16_t monthTicks);

        static Date FromYMD(int32_t year, int32_t month = 0, int32_t day = 0);

        void Update();

        uint16_t GetMonthTicks() const;
        uint32_t GetMonthsElapsed() const;
        int32_t GetDay() const;
        int32_t GetMonth() const;
        int32_t GetYear() const;

        bool IsDayStart() const;
        bool IsWeekStart() const;
        bool IsFortnightStart() const;
        bool IsMonthStart() const;

        static int32_t GetDaysInMonth(int32_t month);
    };
} // namespace OpenRCT2

struct RealWorldDate
{
    uint8_t day;
    uint8_t month;
    int16_t year;
    uint8_t day_of_week;
};

struct RealWorldTime
{
    uint8_t second;
    uint8_t minute;
    uint8_t hour;
};

OpenRCT2::Date& GetDate();
extern RealWorldTime gRealTimeOfDay;

int32_t DateGetMonth(int32_t months);
int32_t DateGetYear(int32_t months);
int32_t DateGetTotalMonths(int32_t month, int32_t year);
void DateUpdateRealTimeOfDay();