#pragma once

#include "dtcore/inc/dtdefinitions.h"
#include "dtcore/inc/dtstream.h"
#include "dtcore/inc/dtstring.h"
#include "dtcore/inc/dtvector.h"
#include "dtcore/inc/dttime.h"

namespace dt
{
    // This class works with UTC time
    class TimeInterval : public Serializable
    {
    public:
        DT_CORE_DLL_ENTRY TimeInterval() = default;
        DT_CORE_DLL_ENTRY TimeInterval(const Time& start, const Time& end);
        DT_CORE_DLL_ENTRY TimeInterval(const Time& start, const Time& end, const Vector<S8> availableDays);

        DT_CORE_DLL_ENTRY const Time& GetStart() const { return m_Start; }
        DT_CORE_DLL_ENTRY const Time& GetEnd() const { return m_End; }
        DT_CORE_DLL_ENTRY const Vector<S8>& GetWeekDays() const { return m_WeekDays; };

        DT_CORE_DLL_ENTRY bool IsValid() const;
        DT_CORE_DLL_ENTRY bool IsInInterval(const Time& moment) const;

        DT_CORE_DLL_ENTRY bool operator==(const TimeInterval& rhs) const;
        DT_CORE_DLL_ENTRY bool operator!=(const TimeInterval& rhs) const;

        DT_CORE_DLL_ENTRY virtual void Serialize(U8 version, Stream& stream) override;
        DT_CORE_DLL_ENTRY virtual U8 GetSerializeVersion() const override { return 2; }

    private:
        Time m_Start;
        Time m_End;
        Vector<S8> m_WeekDays;
    };

    DT_CORE_DLL_ENTRY String& operator<<(String& out, const TimeInterval& interval);

    typedef Vector<TimeInterval> TimeIntervals;
}