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/** \file     dtrace_blockstatistics.h
 *  \brief    DTrace block statistcis support for next software
 */

#ifndef _DTRACE_BLOCKSTATISTICS_H_
#define _DTRACE_BLOCKSTATISTICS_H_

#include <map>
#include "CommonLib/CommonDef.h"
#include "CommonLib/Unit.h"

#if K0149_BLOCK_STATISTICS
#define DTRACE_HEADER(ctx,...) ctx->dtrace_header( __VA_ARGS__ )
#define DTRACE_BLOCK_SCALAR(ctx,channel,cs_cu_pu,stat_type,val)                         ctx->dtrace_block_scalar( channel, cs_cu_pu, stat_type, val )
#define DTRACE_BLOCK_SCALAR_CHROMA(ctx,channel,cs_cu_pu,stat_type,val)                  ctx->dtrace_block_scalar( channel, cs_cu_pu, stat_type, val, true)
#define DTRACE_BLOCK_VECTOR(ctx,channel,cu_pu,stat_type,v_x,v_y)                        ctx->dtrace_block_vector( channel, cu_pu, stat_type, v_x, v_y )
#define DTRACE_BLOCK_VECTOR_CHROMA(ctx,channel,pu,stat_type,v_x,v_y)                    ctx->dtrace_block_vector( channel, pu, stat_type, v_x, v_y, true )
#define DTRACE_BLOCK_AFFINETF(ctx,channel,pu,stat_type,v_x0,v_y0,v_x1,v_y1,v_x2,v_y2)   ctx->dtrace_block_affinetf( channel, pu, stat_type, v_x0, v_y0, v_x1, v_y1, v_x2, v_y2 )
#define DTRACE_LINE(ctx,channel,cs_cu_pu,stat_type, x0, y0, x1, y1)                     ctx->dtrace_block_line( channel, cs_cu_pu, stat_type, x0, y0, x1, y1)
#define DTRACE_POLYGON_SCALAR(ctx,channel, poc, polygon,stat_type,val)                  ctx->dtrace_polygon_scalar( channel, poc, polygon, stat_type, val )
#define DTRACE_POLYGON_VECTOR(ctx,channel, poc, polygon,stat_type,v_x,v_y)              ctx->dtrace_polygon_vector( channel, poc, polygon, stat_type, v_x, v_y )

enum class BlockStatistic {
  // general
  PredMode,
  Depth,
  QT_Depth,
  BT_Depth,
  MT_Depth,
  ChromaQPAdj,
  QP,
  SplitSeries,
  MTSIdx_Y,
  MTSIdx_Cb,
  MTSIdx_Cr,
  BDPCM,
  BDPCMChroma,
  TileIdx,
  IndependentSliceIdx,
  LFNSTIdx,
  JointCbCr,

  // intra
  Luma_IntraMode,
  Chroma_IntraMode,
  MultiRefIdx,
  MIPFlag,
  ISPMode,

  // inter
  SkipFlag,
  RootCbf,
  SbtIdx,
  SbtPos,
  Cbf_Y,
  Cbf_Cb,
  Cbf_Cr,
  IMVMode,
  InterDir,
  MergeFlag,
  RegularMergeFlag,
  MergeIdx,
  MergeType,
  MVPIdxL0,
  MVPIdxL1,
  MVL0,
  MVL1,
  MVDL0,
  MVDL1,
  MotionBufL0,
  MotionBufL1,
  RefIdxL0,
  RefIdxL1,
  AffineFlag,
  AffineMVL0,
  AffineMVL1,
  AffineType,
  MMVDSkipFlag,
  MMVDMergeFlag,
  MMVDMergeIdx,
  CiipFlag,
  SMVDFlag,
  GeoPartitioning,
  GeoMVL0, //<< currently only uni-prediction enabled
  GeoMVL1, //<< currently only uni-prediction enabled
  BCWIndex,
// for dual tree
  // general
  Depth_Chroma,
  QT_Depth_Chroma,
  BT_Depth_Chroma,
  MT_Depth_Chroma,
  ChromaQPAdj_Chroma,
  QP_Chroma,
  SplitSeries_Chroma,

  // intra

  NumBlockStatistics,
};

enum class BlockStatisticType {
  Flag,
  Vector,
  Integer,
  AffineTFVectors,
  Line,
  FlagPolygon,
  VectorPolygon,
  IntegerPolygon,
};

static const std::map<BlockStatistic, std::tuple<std::string, BlockStatisticType, std::string>> blockstatistic2description =
{
  // Statistics enum                                                                                Statistics name string         Statistic Type                              Type specific information:
  //                                                                                                                                                                           Value range, vector scale
  { BlockStatistic::PredMode,               std::tuple<std::string, BlockStatisticType, std::string>{"PredMode",                    BlockStatisticType::Integer,                "[0, " + std::to_string(NUMBER_OF_PREDICTION_MODES) + "]"}},
  { BlockStatistic::MergeFlag,              std::tuple<std::string, BlockStatisticType, std::string>{"MergeFlag",                   BlockStatisticType::Flag,                   ""}},
  { BlockStatistic::RegularMergeFlag,       std::tuple<std::string, BlockStatisticType, std::string>{"RegularMergeFlag",            BlockStatisticType::Flag,                   ""}},
  { BlockStatistic::MVL0,                   std::tuple<std::string, BlockStatisticType, std::string>{"MVL0",                        BlockStatisticType::Vector,                 "Scale: 4"}},
  { BlockStatistic::MVL1,                   std::tuple<std::string, BlockStatisticType, std::string>{"MVL1",                        BlockStatisticType::Vector,                 "Scale: 4"}},
  { BlockStatistic::Luma_IntraMode,         std::tuple<std::string, BlockStatisticType, std::string>{"Luma_IntraMode",              BlockStatisticType::Integer,                "[0, " + std::to_string(NUM_INTRA_MODE) + "]"}},
  { BlockStatistic::Chroma_IntraMode,       std::tuple<std::string, BlockStatisticType, std::string>{"Chroma_IntraMode",            BlockStatisticType::Integer,                "[0, " + std::to_string(NUM_INTRA_MODE) + "]"}},
  { BlockStatistic::SkipFlag,               std::tuple<std::string, BlockStatisticType, std::string>{"SkipFlag",                    BlockStatisticType::Flag,                   ""}},
  { BlockStatistic::MTSIdx_Y,               std::tuple<std::string, BlockStatisticType, std::string> {"MTS_Y",                      BlockStatisticType::Integer,                ""} },
  { BlockStatistic::MTSIdx_Cb,               std::tuple<std::string, BlockStatisticType, std::string>{"MTS_Cb",                     BlockStatisticType::Integer,                ""} },
  { BlockStatistic::MTSIdx_Cr,               std::tuple<std::string, BlockStatisticType, std::string>{"MTS_Cr",                     BlockStatisticType::Integer,                ""} },
  { BlockStatistic::BDPCM,                  std::tuple<std::string, BlockStatisticType, std::string>{"BDPCM",                       BlockStatisticType::Flag,                   ""}},    // called bdpcmMode, but used like a flag in the software? related to intra, but signalled always?
  { BlockStatistic::BDPCMChroma,            std::tuple<std::string, BlockStatisticType, std::string>{"BDPCMChroma",                 BlockStatisticType::Flag,                   ""}},
  { BlockStatistic::TileIdx,                std::tuple<std::string, BlockStatisticType, std::string>{"TileIdx",                     BlockStatisticType::Integer,                ""}},
  { BlockStatistic::IndependentSliceIdx,    std::tuple<std::string, BlockStatisticType, std::string>{"IndependentSliceIdx",         BlockStatisticType::Integer,                ""}},
  { BlockStatistic::LFNSTIdx,               std::tuple<std::string, BlockStatisticType, std::string>{"LFNSTIdx",                    BlockStatisticType::Integer,                "[0, 3]"}},
  { BlockStatistic::JointCbCr,              std::tuple<std::string, BlockStatisticType, std::string>{"JointCbCr",                   BlockStatisticType::Flag,                   ""}},

  { BlockStatistic::MIPFlag,                std::tuple<std::string, BlockStatisticType, std::string>{"MIPFlag",                     BlockStatisticType::Flag,                   ""}},
  { BlockStatistic::ISPMode,                std::tuple<std::string, BlockStatisticType, std::string>{"ISPMode",                     BlockStatisticType::Integer,                "[0, " + std::to_string(to_uint(ISPType::NUM)) + "]"}},
  { BlockStatistic::Depth,                  std::tuple<std::string, BlockStatisticType, std::string>{"Depth",                       BlockStatisticType::Integer,                "[0, 7]"}},
  { BlockStatistic::QT_Depth,               std::tuple<std::string, BlockStatisticType, std::string>{"QT_Depth",                    BlockStatisticType::Integer,                "[0, 7]"}},
  { BlockStatistic::BT_Depth,               std::tuple<std::string, BlockStatisticType, std::string>{"BT_Depth",                    BlockStatisticType::Integer,                "[0, 7]"}},
  { BlockStatistic::MT_Depth,               std::tuple<std::string, BlockStatisticType, std::string>{"MT_Depth",                    BlockStatisticType::Integer,                "[0, 7]"}},
  { BlockStatistic::ChromaQPAdj,            std::tuple<std::string, BlockStatisticType, std::string>{"ChromaQPAdj",                 BlockStatisticType::Integer,                "[-10, 10]"}},
  { BlockStatistic::QP,                     std::tuple<std::string, BlockStatisticType, std::string>{"QP",                          BlockStatisticType::Integer,                "[0, 51]"}},
  { BlockStatistic::SplitSeries,            std::tuple<std::string, BlockStatisticType, std::string>{"SplitSeries",                 BlockStatisticType::Integer,                "[0, " + std::to_string(std::numeric_limits<SplitSeries>::max()) + "]"}},
  { BlockStatistic::RootCbf,                std::tuple<std::string, BlockStatisticType, std::string>{"RootCbf",                     BlockStatisticType::Flag,                   ""}},
  { BlockStatistic::SbtIdx,                 std::tuple<std::string, BlockStatisticType, std::string>{"SbtIdx",                      BlockStatisticType::Integer,                "[0, " + std::to_string(NUMBER_SBT_IDX) + "]"}},
  { BlockStatistic::SbtPos,                 std::tuple<std::string, BlockStatisticType, std::string>{"SbtPos",                      BlockStatisticType::Integer,                "[0, " + std::to_string(NUMBER_SBT_POS) + "]"}},
  { BlockStatistic::Cbf_Y,                  std::tuple<std::string, BlockStatisticType, std::string>{"Cbf_Y",                       BlockStatisticType::Flag,                   ""}},
  { BlockStatistic::Cbf_Cb,                 std::tuple<std::string, BlockStatisticType, std::string>{"Cbf_Cb",                      BlockStatisticType::Flag,                   ""}},
  { BlockStatistic::Cbf_Cr,                 std::tuple<std::string, BlockStatisticType, std::string>{"Cbf_Cr",                      BlockStatisticType::Flag,                   ""}},
  { BlockStatistic::MergeIdx,               std::tuple<std::string, BlockStatisticType, std::string>{"MergeIdx",                    BlockStatisticType::Integer,                "[0, 7]"}},
  { BlockStatistic::InterDir,               std::tuple<std::string, BlockStatisticType, std::string>{"InterDir",                    BlockStatisticType::Integer,                "[1, 3]"}},
  { BlockStatistic::MergeType,              std::tuple<std::string, BlockStatisticType, std::string>{"MergeType",                   BlockStatisticType::Integer,                "[0, 2]"}},
  { BlockStatistic::MVPIdxL0,               std::tuple<std::string, BlockStatisticType, std::string>{"MVPIdxL0",                    BlockStatisticType::Integer,                "[0, 1]"}},
  { BlockStatistic::MVDL0,                  std::tuple<std::string, BlockStatisticType, std::string>{"MVDL0",                       BlockStatisticType::Vector,                 "Scale: 4"}},
  { BlockStatistic::RefIdxL0,               std::tuple<std::string, BlockStatisticType, std::string>{"RefIdxL0",                    BlockStatisticType::Integer,                "[0, 4]"}},
  { BlockStatistic::MVPIdxL1,               std::tuple<std::string, BlockStatisticType, std::string>{"MVPIdxL1",                    BlockStatisticType::Integer,                "[0, 1]"}},
  { BlockStatistic::MVDL1,                  std::tuple<std::string, BlockStatisticType, std::string>{"MVDL1",                       BlockStatisticType::Vector,                 "Scale: 4"}},
  { BlockStatistic::RefIdxL1,               std::tuple<std::string, BlockStatisticType, std::string>{"RefIdxL1",                    BlockStatisticType::Integer,                "[0, 4]"}},
  { BlockStatistic::IMVMode,                std::tuple<std::string, BlockStatisticType, std::string>{"IMVMode",                     BlockStatisticType::Integer,                "[0, 2]"}},
  { BlockStatistic::AffineFlag,             std::tuple<std::string, BlockStatisticType, std::string>{"AffineFlag",                  BlockStatisticType::Flag,                   ""}},
  { BlockStatistic::AffineMVL0,             std::tuple<std::string, BlockStatisticType, std::string>{"AffineMVL0",                  BlockStatisticType::AffineTFVectors,        "Scale: 4"}},
  { BlockStatistic::AffineMVL1,             std::tuple<std::string, BlockStatisticType, std::string>{"AffineMVL1",                  BlockStatisticType::AffineTFVectors,        "Scale: 4"}},
  { BlockStatistic::AffineType,             std::tuple<std::string, BlockStatisticType, std::string>{"AffineType",                  BlockStatisticType::Flag,                   ""} },
  { BlockStatistic::MotionBufL0,            std::tuple<std::string, BlockStatisticType, std::string>{"MotionBufL0",                 BlockStatisticType::Vector,                 "Scale: 16"}},
  { BlockStatistic::MotionBufL1,            std::tuple<std::string, BlockStatisticType, std::string>{"MotionBufL1",                 BlockStatisticType::Vector,                 "Scale: 16"}},
  { BlockStatistic::MultiRefIdx,            std::tuple<std::string, BlockStatisticType, std::string>{"MultiRefIdx",                 BlockStatisticType::Integer,                "[0, 1]"}},
  { BlockStatistic::MMVDSkipFlag,           std::tuple<std::string, BlockStatisticType, std::string>{"MMVDSkipFlag",                BlockStatisticType::Flag,                   ""}},
  { BlockStatistic::MMVDMergeFlag,          std::tuple<std::string, BlockStatisticType, std::string>{"MMVDMergeFlag",               BlockStatisticType::Flag,                   ""}},
  { BlockStatistic::MMVDMergeIdx,           std::tuple<std::string, BlockStatisticType, std::string>{"MMVDMergeIdx",                BlockStatisticType::Integer,                "[0, 1]"}},
  { BlockStatistic::CiipFlag,            std::tuple<std::string, BlockStatisticType, std::string>{"CiipFlag",                 BlockStatisticType::Flag,                   ""}},
  { BlockStatistic::SMVDFlag,               std::tuple<std::string, BlockStatisticType, std::string>{"SMVDFlag",                    BlockStatisticType::Flag,                   ""}},
  { BlockStatistic::GeoPartitioning,        std::tuple<std::string, BlockStatisticType, std::string>{"GeoPartitioning",             BlockStatisticType::Line,                   ""} },
  { BlockStatistic::GeoMVL0,                std::tuple<std::string, BlockStatisticType, std::string>{"GeoMVL0",                     BlockStatisticType::VectorPolygon,          "Scale: 4"} },
  { BlockStatistic::GeoMVL1,                std::tuple<std::string, BlockStatisticType, std::string>{"GeoMVL1",                     BlockStatisticType::VectorPolygon,          "Scale: 4"} },
  { BlockStatistic::BCWIndex,               std::tuple<std::string, BlockStatisticType, std::string>{"BCWIndex",                    BlockStatisticType::Integer,                "[0, 4]"} },
  // for dual tree
  { BlockStatistic::Depth_Chroma,                  std::tuple<std::string, BlockStatisticType, std::string>{"Depth_Chroma",                       BlockStatisticType::Integer,                "[0, 10]"}}, // todo: actual limits?
  { BlockStatistic::QT_Depth_Chroma,               std::tuple<std::string, BlockStatisticType, std::string>{"QT_Depth_Chroma",                    BlockStatisticType::Integer,                "[0, 10]"}}, // todo: actual limits?
  { BlockStatistic::BT_Depth_Chroma,               std::tuple<std::string, BlockStatisticType, std::string>{"BT_Depth_Chroma",                    BlockStatisticType::Integer,                "[0, 10]"}}, // todo: actual limits?
  { BlockStatistic::MT_Depth_Chroma,               std::tuple<std::string, BlockStatisticType, std::string>{"MT_Depth_Chroma",                    BlockStatisticType::Integer,                "[0, 10]"}}, // todo: actual limits?
  { BlockStatistic::ChromaQPAdj_Chroma,            std::tuple<std::string, BlockStatisticType, std::string>{"ChromaQPAdj_Chroma",                 BlockStatisticType::Integer,                "[-10, 10]"}}, // todo: actual limits?
  { BlockStatistic::QP_Chroma,                     std::tuple<std::string, BlockStatisticType, std::string>{"QP_Chroma",                          BlockStatisticType::Integer,                "[0, 51]"}},
  { BlockStatistic::SplitSeries_Chroma,            std::tuple<std::string, BlockStatisticType, std::string>{"SplitSeries_Chroma",                 BlockStatisticType::Integer,                "[0, " + std::to_string(std::numeric_limits<SplitSeries>::max()) + "]"}},

};

std::string GetBlockStatisticName(BlockStatistic statistic);
std::string GetBlockStatisticTypeString(BlockStatistic statistic);
std::string GetBlockStatisticTypeSpecificInfo(BlockStatistic statistic);

void writeBlockStatisticsHeader(const SPS *sps);
void getAndStoreBlockStatistics(const CodingStructure& cs, const UnitArea& ctuArea);
void writeAllData(const CodingStructure& cs, const UnitArea& ctuArea);
void writeAllCodedData(const CodingStructure& cs, const UnitArea& ctuArea);
class MergeCtx;
void storeGeoMergeCtx(MergeCtx geoMergeCtx);
#endif

#endif // _DTRACE_BLOCKSTATISTICS_H_
