cmake_minimum_required(VERSION 3.0)

set(CMAKE_VERBOSE_MAKEFILE OFF)

#set output directory
SET(LIBRARY_OUTPUT_PATH ${PROJECT_BINARY_DIR}/build/lib)
SET(EXECUTABLE_OUTPUT_PATH ${PROJECT_BINARY_DIR}/build/bin)
SET(TD_TESTS_OUTPUT_DIR ${PROJECT_BINARY_DIR}/test)

MESSAGE(STATUS "Project source directory: " ${PROJECT_SOURCE_DIR})
MESSAGE(STATUS "Project binary files output path: " ${PROJECT_BINARY_DIR})
MESSAGE(STATUS "Project executable files output path: " ${EXECUTABLE_OUTPUT_PATH})
MESSAGE(STATUS "Project library files output path: " ${LIBRARY_OUTPUT_PATH})

if (NOT DEFINED TD_GRANT)
  SET(TD_GRANT FALSE)
endif()

IF ("${WEBSOCKET}" MATCHES "true")
    SET(TD_WEBSOCKET TRUE)
    MESSAGE("Enable websocket")
    ADD_DEFINITIONS(-DWEBSOCKET)
ELSE ()
    SET(TD_WEBSOCKET FALSE)
ENDIF ()

IF ("${BUILD_HTTP}" STREQUAL "")
  IF (TD_LINUX)
    IF (TD_ARM_32)
      SET(TD_BUILD_HTTP TRUE)
    ELSE ()
      SET(TD_BUILD_HTTP TRUE)
    ENDIF ()
  ELSEIF (TD_DARWIN)
    SET(TD_BUILD_HTTP TRUE)
  ELSE ()
    SET(TD_BUILD_HTTP TRUE)
  ENDIF ()
ELSEIF (${BUILD_HTTP} MATCHES "false")
  SET(TD_BUILD_HTTP FALSE)
ELSEIF (${BUILD_HTTP} MATCHES "true")
  SET(TD_BUILD_HTTP TRUE)
ELSEIF (${BUILD_HTTP} MATCHES "internal")
  SET(TD_BUILD_HTTP FALSE)
  SET(TD_BUILD_TAOSA_INTERNAL TRUE)
ELSE ()
  SET(TD_BUILD_HTTP TRUE)
ENDIF ()

IF (TD_BUILD_HTTP)
  ADD_DEFINITIONS(-DHTTP_EMBEDDED)
ENDIF ()

IF ("${BUILD_TOOLS}" STREQUAL "")
  IF (TD_LINUX)
    IF (TD_ARM_32)
      SET(BUILD_TOOLS "false")
    ELSEIF (TD_ARM_64)
      SET(BUILD_TOOLS "false")
    ELSE ()
      SET(BUILD_TOOLS "false")
    ENDIF ()
  ELSEIF (TD_DARWIN)
    SET(BUILD_TOOLS "false")
  ELSE ()
    SET(BUILD_TOOLS "false")
  ENDIF ()
ENDIF ()

IF ("${BUILD_TOOLS}" MATCHES "false")
    MESSAGE("${Yellow} Will _not_ build taos_tools! ${ColourReset}")
    SET(TD_TAOS_TOOLS FALSE)
ELSE ()
    MESSAGE("")
    MESSAGE("${Green} Will build taos_tools! ${ColourReset}")
    MESSAGE("")
    SET(TD_TAOS_TOOLS TRUE)
ENDIF ()

IF (TD_WINDOWS)
    MESSAGE("${Yellow} set compiler flag for Windows! ${ColourReset}")
    SET(COMMON_FLAGS "/w /D_WIN32 /DWIN32 /Zi /MTd")
    SET(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} /MANIFEST:NO")
    # IF (MSVC AND (MSVC_VERSION GREATER_EQUAL 1900))
    #  SET(COMMON_FLAGS "${COMMON_FLAGS} /Wv:18")
    # ENDIF ()
    IF (CMAKE_DEPFILE_FLAGS_C)
        SET(CMAKE_DEPFILE_FLAGS_C "")
    ENDIF ()
    IF (CMAKE_DEPFILE_FLAGS_CXX)
        SET(CMAKE_DEPFILE_FLAGS_CXX "")
    ENDIF ()
    IF (CMAKE_C_FLAGS_DEBUG)
        SET(CMAKE_C_FLAGS_DEBUG "" CACHE STRING "" FORCE)
    ENDIF ()
    IF (CMAKE_CXX_FLAGS_DEBUG)
        SET(CMAKE_CXX_FLAGS_DEBUG "" CACHE STRING "" FORCE)
    ENDIF ()

    SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${COMMON_FLAGS}")
    SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${COMMON_FLAGS}")

    SET(JEMALLOC_ENABLED OFF)

ELSE ()
    IF (${TD_DARWIN})
        set(CMAKE_MACOSX_RPATH 0)
    ENDIF ()
    IF (${COVER} MATCHES "true")
        MESSAGE(STATUS "Test coverage mode, add extra flags")
        SET(GCC_COVERAGE_COMPILE_FLAGS "-fprofile-arcs -ftest-coverage")
        SET(GCC_COVERAGE_LINK_FLAGS    "-lgcov --coverage")
        SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${GCC_COVERAGE_COMPILE_FLAGS} ${GCC_COVERAGE_LINK_FLAGS}")
        SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${GCC_COVERAGE_COMPILE_FLAGS} ${GCC_COVERAGE_LINK_FLAGS}")
    ENDIF ()

    IF (${BUILD_SANITIZER})
        SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS}     -Werror -Werror=return-type -fPIC -gdwarf-2 -fsanitize=address -fsanitize=undefined -fsanitize-recover=all -fsanitize=float-divide-by-zero -fsanitize=float-cast-overflow -fno-sanitize=shift-base -fno-sanitize=alignment -g3 -Wformat=0")
        SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Werror -Wno-literal-suffix -Werror=return-type -fPIC -gdwarf-2 -fsanitize=address -fsanitize=undefined -fsanitize-recover=all -fsanitize=float-divide-by-zero -fsanitize=float-cast-overflow -fno-sanitize=shift-base -fno-sanitize=alignment -g3 -Wformat=0")
	      MESSAGE(STATUS "Will compile with Address Sanitizer!")
    ELSE ()
        SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Werror -Werror=return-type -fPIC -gdwarf-2 -g3 -Wformat=2 -Wno-format-nonliteral -Wno-format-truncation -Wno-format-y2k")
        SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Werror -Wno-literal-suffix -Werror=return-type -fPIC -gdwarf-2 -g3 -Wformat=2 -Wno-format-nonliteral -Wno-format-truncation -Wno-format-y2k")
    ENDIF ()

    INCLUDE(CheckCCompilerFlag)
    IF (TD_ARM_64 OR TD_ARM_32)
        SET(COMPILER_SUPPORT_SSE42 false)
    ELSEIF (("${CMAKE_C_COMPILER_ID}" MATCHES "Clang") OR ("${CMAKE_C_COMPILER_ID}" MATCHES "AppleClang"))
        SET(COMPILER_SUPPORT_SSE42 true)
        MESSAGE(STATUS "Always enable sse4.2 for Clang/AppleClang")
    ELSE()
        CHECK_C_COMPILER_FLAG("-msse4.2" COMPILER_SUPPORT_SSE42)
    ENDIF()

    CHECK_C_COMPILER_FLAG("-mfma" COMPILER_SUPPORT_FMA)
    CHECK_C_COMPILER_FLAG("-mavx" COMPILER_SUPPORT_AVX)
    CHECK_C_COMPILER_FLAG("-mavx2" COMPILER_SUPPORT_AVX2)

    IF (COMPILER_SUPPORT_SSE42)
        SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -msse4.2")
        SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -msse4.2")
    ENDIF()

    IF ("${SIMD_SUPPORT}" MATCHES "true")
       IF (COMPILER_SUPPORT_FMA)
           SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mfma")
           SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mfma")
       ENDIF()
       IF (COMPILER_SUPPORT_AVX)
            SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mavx")
            SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mavx")
        ENDIF()
        IF (COMPILER_SUPPORT_AVX2)
            SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mavx2")
            SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mavx2")
        ENDIF()
        MESSAGE(STATUS "SIMD instructions (AVX/AVX2) is ACTIVATED")
    ENDIF()

ENDIF ()