/*---------------------------------------------------------------------------*
  Project:  NintendoWare
  File:     lyt_Stopwatch.cpp

  Copyright (C)2009-2010 Nintendo Co., Ltd./HAL Laboratory, Inc.  All rights reserved.

  These coded instructions, statements, and computer programs contain
  proprietary information of Nintendo of America Inc. and/or Nintendo
  Company Ltd., and are protected by Federal copyright law.  They may
  not be disclosed to third parties or copied or duplicated in any form,
  in whole or in part, without the prior written consent of Nintendo.

  $Revision: 17401 $
 *---------------------------------------------------------------------------*/

#include "precompiled.h"

#include <nw/lyt/lyt_Common.h>
#include <nw/lyt/lyt_Stopwatch.h>

namespace nw {
namespace lyt {
namespace internal {
namespace {

#ifdef NW_PLATFORM_CTR
inline const TimeSpan operator / (const TimeSpan& lhs, int rhs)
{
    if (rhs != 0)
    {
        return TimeSpan::FromNanoSeconds(lhs.GetNanoSeconds() / rhs);
    }
    else
    {
        return TimeSpan();
    }
}
#endif

} // namespace {anonymous}

int Stopwatch::s_TargetNoMin = INT_MAX;
int Stopwatch::s_TargetNoMax = INT_MIN;

#ifdef NW_PLATFORM_CTR
Stopwatch::Stopwatch(int no, const char* label)
  : m_Count(0),
    m_No(no),
    m_Label(label),
    m_MinSample(S64_MAX),
    m_MaxSample(0)
{
    List& list = this->GetList();
    list.push_back(this);
}
#else
Stopwatch::Stopwatch(int, const char*)
{
}
#endif


void Stopwatch::Reset()
{
#ifdef NW_PLATFORM_CTR
    m_Count = 0;
    m_TotalTick = Tick();
    m_MinSample = S64_MAX;
    m_MaxSample = 0;
#endif
}

void Stopwatch::ResetAll()
{
    List& list = GetList();
    for (List::Iterator it = list.begin(); it != list.end(); ++it)
    {
        it->Reset();
    }
}

void Stopwatch::Enable()
{
    SetTargetNo(INT_MIN, INT_MAX);
}

void Stopwatch::Disable()
{
    SetTargetNo(INT_MAX, INT_MIN);
}

void Stopwatch::Dump(const Stopwatch& stopwatch)
{
#ifndef NW_PLATFORM_CTR
    NW_UNUSED_VARIABLE(stopwatch);
    NW_LYT_PRINT("Stopwatch::Dump is not implemented.\n");
#else
    TimeSpan total = stopwatch.GetElapsedTime();
    int count = stopwatch.GetCount();

    const char* label = stopwatch.GetLabel();
    if (label == NULL)
    {
        label = "-";
    }

    {
        NW_LYT_PRINT(
            "| %s | %lld | %lld / %d | %lld | %lld | %d |\n",
            label,
            (total / count).GetMicroSeconds(),
            total.GetMicroSeconds(),
            count,
            stopwatch.GetMaxSample().GetMicroSeconds(),
            stopwatch.GetMinSample().GetMicroSeconds(),
            stopwatch.GetNo());
    }
#endif
}

void Stopwatch::DumpHeader()
{
#ifdef NW_PLATFORM_CTR
    NW_LYT_PRINT("| label | average | total / count | max | min | no |h\n");
#endif
}

void Stopwatch::Dump()
{
#ifndef NW_PLATFORM_CTR
    NW_LYT_PRINT("Stopwatch::Dump is not implemented.\n");
#else
    NW_LYT_PRINT("\n");
    DumpHeader();

    List& list = GetList();
    for (List::Iterator it = list.begin(); it != list.end(); ++it)
    {
        if (it->GetCount() > 0)
        {
            Dump(*it);
        }
    }
#endif
}

} // namespace internal
} // namespace lyt
} // namespace nw