/*
 * Copyright (c) Facebook, Inc. and its affiliates.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 */

#pragma once

#include "YGMacros.h"

#ifdef __cplusplus
namespace facebook {
namespace yoga {
namespace enums {

template <typename T>
constexpr int count();  // can't use `= delete` due to a defect in clang < 3.9

namespace detail {
template <int... xs>
constexpr int n() {
  return sizeof...(xs);
}
}  // namespace detail

}  // namespace enums
}  // namespace yoga
}  // namespace facebook
#endif

#define YG_ENUM_DECL(NAME, ...)                               \
  typedef YG_ENUM_BEGIN(NAME){__VA_ARGS__} YG_ENUM_END(NAME); \
  WIN_EXPORT const char* NAME##ToString(NAME);

#ifdef __cplusplus
#define YG_ENUM_SEQ_DECL(NAME, ...)  \
  YG_ENUM_DECL(NAME, __VA_ARGS__)    \
  YG_EXTERN_C_END                    \
  namespace facebook {               \
  namespace yoga {                   \
  namespace enums {                  \
  template <>                        \
  constexpr int count<NAME>() {      \
    return detail::n<__VA_ARGS__>(); \
  }                                  \
  }                                  \
  }                                  \
  }                                  \
  YG_EXTERN_C_BEGIN
#else
#define YG_ENUM_SEQ_DECL YG_ENUM_DECL
#endif

YG_EXTERN_C_BEGIN

YG_ENUM_SEQ_DECL(YGAlign, YGAlignAuto, YGAlignFlexStart, YGAlignCenter,
                 YGAlignFlexEnd, YGAlignStretch, YGAlignBaseline,
                 YGAlignSpaceBetween, YGAlignSpaceAround);

YG_ENUM_SEQ_DECL(YGDimension, YGDimensionWidth, YGDimensionHeight)

YG_ENUM_SEQ_DECL(YGDirection, YGDirectionInherit, YGDirectionLTR,
                 YGDirectionRTL)

YG_ENUM_SEQ_DECL(YGDisplay, YGDisplayFlex, YGDisplayNone)

YG_ENUM_SEQ_DECL(YGEdge, YGEdgeLeft, YGEdgeTop, YGEdgeRight, YGEdgeBottom,
                 YGEdgeStart, YGEdgeEnd, YGEdgeHorizontal, YGEdgeVertical,
                 YGEdgeAll)

YG_ENUM_SEQ_DECL(YGExperimentalFeature, YGExperimentalFeatureWebFlexBasis)

YG_ENUM_SEQ_DECL(YGFlexDirection, YGFlexDirectionColumn,
                 YGFlexDirectionColumnReverse, YGFlexDirectionRow,
                 YGFlexDirectionRowReverse)

YG_ENUM_SEQ_DECL(YGJustify, YGJustifyFlexStart, YGJustifyCenter,
                 YGJustifyFlexEnd, YGJustifySpaceBetween, YGJustifySpaceAround,
                 YGJustifySpaceEvenly)

YG_ENUM_SEQ_DECL(YGLogLevel, YGLogLevelError, YGLogLevelWarn, YGLogLevelInfo,
                 YGLogLevelDebug, YGLogLevelVerbose, YGLogLevelFatal)

YG_ENUM_SEQ_DECL(YGMeasureMode, YGMeasureModeUndefined, YGMeasureModeExactly,
                 YGMeasureModeAtMost)

YG_ENUM_SEQ_DECL(YGNodeType, YGNodeTypeDefault, YGNodeTypeText)

YG_ENUM_SEQ_DECL(YGOverflow, YGOverflowVisible, YGOverflowHidden,
                 YGOverflowScroll)

YG_ENUM_SEQ_DECL(YGPositionType, YGPositionTypeStatic, YGPositionTypeRelative,
                 YGPositionTypeAbsolute)

YG_ENUM_DECL(YGPrintOptions, YGPrintOptionsLayout = 1, YGPrintOptionsStyle = 2,
             YGPrintOptionsChildren = 4)

YG_ENUM_SEQ_DECL(YGUnit, YGUnitUndefined, YGUnitPoint, YGUnitPercent,
                 YGUnitAuto)

YG_ENUM_SEQ_DECL(YGWrap, YGWrapNoWrap, YGWrapWrap, YGWrapWrapReverse)

YG_EXTERN_C_END

#undef YG_ENUM_DECL
#undef YG_ENUM_SEQ_DECL