# for OpenSSL 1.1.1
# cmake -DCMAKE_GENERATOR="Visual Studio 17 2022" -DARCHITECTURE=Win32 -P buildopenssl3.cmake
# cmake -DCMAKE_GENERATOR="Visual Studio 16 2019" -DARCHITECTURE=Win32 -P buildopenssl3.cmake
# cmake -DCMAKE_GENERATOR="Visual Studio 15 2017" -P buildopenssl3.cmake
# cmake -DCMAKE_GENERATOR="Visual Studio 15 2017" -DCMAKE_CONFIGURATION_TYPE=Release -P buildopenssl3.cmake

####
if(("${CMAKE_BUILD_TYPE}" STREQUAL "") AND ("${CMAKE_CONFIGURATION_TYPE}" STREQUAL ""))
  if("${CMAKE_GENERATOR}" MATCHES "Visual Studio")
    # multi-configuration
    execute_process(
      COMMAND ${CMAKE_COMMAND}
      -DCMAKE_GENERATOR=${CMAKE_GENERATOR}
      -DCMAKE_CONFIGURATION_TYPE=Release
      -DCMAKE_TOOLCHAIN_FILE=${CMAKE_SOURCE_DIR}/VSToolchain.cmake
      -DARCHITECTURE=${ARCHITECTURE}
      -P buildopenssl3.cmake
      )
    execute_process(
      COMMAND ${CMAKE_COMMAND}
      -DCMAKE_GENERATOR=${CMAKE_GENERATOR}
      -DCMAKE_CONFIGURATION_TYPE=Debug
      -DCMAKE_TOOLCHAIN_FILE=${CMAKE_SOURCE_DIR}/VSToolchain.cmake
      -DARCHITECTURE=${ARCHITECTURE}
      -P buildopenssl3.cmake
      )
    return()
  elseif("$ENV{MSYSTEM}" MATCHES "MINGW32")
    # mingw on msys2
    # single-configuration
    if("${CMAKE_BUILD_TYPE}" STREQUAL "")
      set(CMAKE_BUILD_TYPE Release)
    endif()
  elseif("${CMAKE_GENERATOR}" MATCHES "Unix Makefiles")
    # mingw
    # single-configuration
    if("${CMAKE_TOOLCHAIN_FILE}" STREQUAL "")
      set(CMAKE_TOOLCHAIN_FILE "${CMAKE_SOURCE_DIR}/../mingw.toolchain.cmake")
    endif()
    if("${CMAKE_BUILD_TYPE}" STREQUAL "")
      set(CMAKE_BUILD_TYPE Release)
    endif()
  elseif("${CMAKE_GENERATOR}" MATCHES "NMake Makefiles")
    # VS nmake
    # single-configuration
    if("${CMAKE_TOOLCHAIN_FILE}" STREQUAL "")
      set(CMAKE_TOOLCHAIN_FILE "${CMAKE_SOURCE_DIR}/VSToolchain.cmake")
    endif()
    if("${CMAKE_BUILD_TYPE}" STREQUAL "")
      set(CMAKE_BUILD_TYPE Release)
    endif()
  else()
    # single-configuration
    if("${CMAKE_BUILD_TYPE}" STREQUAL "")
      set(CMAKE_BUILD_TYPE Release)
    endif()
  endif()
endif()

include(script_support.cmake)

set(SRC_DIR_BASE "openssl-3.0.1")
set(SRC_ARC "openssl-3.0.1.tar.gz")
set(SRC_URL "https://www.openssl.org/source/openssl-3.0.1.tar.gz")
set(SRC_ARC_HASH_SHA256 c311ad853353bce796edad01a862c50a8a587f62e7e2100ef465ab53ec9b06d1)

set(DOWN_DIR "${CMAKE_SOURCE_DIR}/download/openssl")

set(EXTRACT_DIR "${CMAKE_SOURCE_DIR}/build/openssl3/src_${TOOLSET}")
set(INSTALL_DIR "${CMAKE_SOURCE_DIR}/openssl3_${TOOLSET}")
if(("${CMAKE_GENERATOR}" MATCHES "Win64") OR ("$ENV{MSYSTEM_CHOST}" STREQUAL "x86_64-w64-mingw32") OR ("${ARCHITECTURE}" MATCHES "x64") OR ("${CMAKE_COMMAND}" MATCHES "mingw64"))
  set(EXTRACT_DIR "${EXTRACT_DIR}_x64")
  set(INSTALL_DIR "${INSTALL_DIR}_x64")
endif()
if((${CMAKE_GENERATOR} MATCHES "Visual Studio") AND ("${CMAKE_CONFIGURATION_TYPE}" STREQUAL "Debug"))
  set(EXTRACT_DIR "${EXTRACT_DIR}_debug")
  set(INSTALL_DIR "${INSTALL_DIR}_debug")
endif()
set(SRC_DIR "${EXTRACT_DIR}/${SRC_DIR_BASE}")

########################################

file(DOWNLOAD
  ${SRC_URL}
  ${DOWN_DIR}/${SRC_ARC}
  EXPECTED_HASH SHA256=${SRC_ARC_HASH_SHA256}
  SHOW_PROGRESS
  )

########################################

if(CMAKE_HOST_SYSTEM_NAME MATCHES "Linux")
  find_program(
    PERL perl
    )
elseif("${CMAKE_GENERATOR}" MATCHES "Visual Studio")
  # Active/Strawberry Perl
  find_program(
    PERL perl.exe
    HINTS ${CMAKE_CURRENT_LIST_DIR}/../buildtools/perl/perl/bin
    HINTS c:/Perl64/bin
    HINTS c:/Perl/bin
    HINTS c:/Strawberry/perl/bin
    )
  if("${PERL}" MATCHES "[Cc]ygwin")
    message(FATAL_ERROR "cygwin perl! ${PERL}")
  endif()
else()
  # MinGW
  find_program(
    PERL perl
    HINTS C:/msys64/usr/bin
    )
endif()

if(${PERL} STREQUAL "PERL-NOTFOUND")
  message(FATAL_ERROR "perl not found")
endif()

########################################

if(NOT EXISTS "${SRC_DIR}/README.md")

  execute_process(
    COMMAND ${CMAKE_COMMAND} -E make_directory ${EXTRACT_DIR}
    )

  execute_process(
    COMMAND ${CMAKE_COMMAND} -E tar "xvf" ${DOWN_DIR}/${SRC_ARC}
    WORKING_DIRECTORY ${EXTRACT_DIR}
    )

  file(COPY
    ${SRC_DIR}/LICENSE.txt
    DESTINATION ${CMAKE_CURRENT_LIST_DIR}/doc_help
    )
  file(RENAME
    ${CMAKE_CURRENT_LIST_DIR}/doc_help/LICENSE.txt
    ${CMAKE_CURRENT_LIST_DIR}/doc_help/OpenSSL3-LICENSE.txt)

endif()

########################################

if((${CMAKE_GENERATOR} MATCHES "Visual Studio") OR
    (${CMAKE_GENERATOR} MATCHES "NMake Makefiles"))
  ######################################## VS
  if(${CMAKE_GENERATOR} MATCHES "NMake Makefiles")
  elseif(${CMAKE_GENERATOR} MATCHES "Visual Studio 17 2022")
    find_program(
      VCVARS32 vcvarsall.bat
      HINTS "C:/Program Files/Microsoft Visual Studio/2022/Preview/VC/Auxiliary/Build"
      HINTS "C:/Program Files/Microsoft Visual Studio/2022/Community/VC/Auxiliary/Build"
      HINTS "C:/Program Files/Microsoft Visual Studio/2022/Professional/VC/Auxiliary/Build"
      HINTS "C:/Program Files/Microsoft Visual Studio/2022/Enterprise/VC/Auxiliary/Build"
      )
  elseif(${CMAKE_GENERATOR} MATCHES "Visual Studio 16 2019")
    find_program(
      VCVARS32 vcvarsall.bat
      HINTS "C:/Program Files (x86)/Microsoft Visual Studio/2019/Community/VC/Auxiliary/Build"
      HINTS "C:/Program Files (x86)/Microsoft Visual Studio/2019/Professional/VC/Auxiliary/Build"
      HINTS "C:/Program Files (x86)/Microsoft Visual Studio/2019/Enterprise/VC/Auxiliary/Build"
      )
  elseif(${CMAKE_GENERATOR} MATCHES "Visual Studio 15 2017")
    find_program(
      VCVARS32 vcvarsall.bat
      HINTS "C:/Program Files (x86)/Microsoft Visual Studio/2017/Community/VC/Auxiliary/Build"
      HINTS "C:/Program Files (x86)/Microsoft Visual Studio/2017/Professional/VC/Auxiliary/Build"
      HINTS "C:/Program Files (x86)/Microsoft Visual Studio/2017/Enterprise/VC/Auxiliary/Build"
      )
  elseif(${CMAKE_GENERATOR} MATCHES "Visual Studio 14 2015")
    find_program(
      VCVARS32 vcvars32.bat
      HINTS "C:/Program Files (x86)/Microsoft Visual Studio 14.0/VC/bin"
      )
  elseif(${CMAKE_GENERATOR} MATCHES "Visual Studio 12 2013")
    find_program(
      VCVARS32 vcvars32.bat
      HINTS "C:/Program Files (x86)/Microsoft Visual Studio 12.0/VC/bin"
      )
  elseif(${CMAKE_GENERATOR} MATCHES "Visual Studio 11 2012")
    find_program(
      VCVARS32 vcvars32.bat
      HINTS "C:/Program Files (x86)/Microsoft Visual Studio 11.0/VC/bin"
      )
  elseif(${CMAKE_GENERATOR} MATCHES "Visual Studio 10 2010")
    find_program(
      VCVARS32 vcvars32.bat
      HINTS "C:/Program Files (x86)/Microsoft Visual Studio 10.0/VC/bin"
      )
  elseif(${CMAKE_GENERATOR} MATCHES "Visual Studio 9 2008")
    find_program(
      VCVARS32 vcvars32.bat
      HINTS "C:/Program Files (x86)/Microsoft Visual Studio 9.0/VC/bin"
      )
  elseif(${CMAKE_GENERATOR} MATCHES "Visual Studio 8 2005")
    find_program(
      VCVARS32 vcvars32.bat
      HINTS "C:/Program Files (x86)/Microsoft Visual Studio 8/VC/bin"
      )
  else()
    message(FATAL_ERROR "CMAKE_GENERATOR ${CMAKE_GENERATOR} not supported")
  endif()
  if(VCVARS32-NOTFOUND OR (${VCVARS32} STREQUAL "VCVARS32-NOTFOUND"))
    message(FATAL_ERROR "vcvars32.bat not found")
  endif()

  if((${CMAKE_GENERATOR} MATCHES "Win64") OR ("${ARCHITECTURE}" MATCHES "x64"))
    set(CONFIG_TARGET "VC-WIN64A")
  else()
    set(CONFIG_TARGET "VC-WIN32")
  endif()
  if(("${CMAKE_BUILD_TYPE}" STREQUAL "Release") OR ("${CMAKE_CONFIGURATION_TYPE}" STREQUAL "Release"))
  else()
    set(CONFIG_TARGET "debug-${CONFIG_TARGET}")
  endif()

  file(WRITE "${SRC_DIR}/build_cmake.bat"
    "cd /d %~dp0\n"
    "setlocal\n"
    )
  file(TO_NATIVE_PATH ${PERL} PERL_N)
  file(TO_NATIVE_PATH ${INSTALL_DIR} INSTALL_DIR_N)
  file(TO_NATIVE_PATH ${VCVARS32} VCVARS32_N)
  string(REGEX REPLACE [[^(.*)\\.*$]] [[\1]] PERL_N_PATH ${PERL_N})
  file(APPEND "${SRC_DIR}/build_cmake.bat"
    "set PATH=${PERL_N_PATH};c:\\windows;c:\\windows\\system32\n"
    )
  if(${CMAKE_GENERATOR} MATCHES "Visual Studio 8 2005")
    ## Visual Studio 2005 特別処理
    # include,libパスの設定
    file(APPEND "${SRC_DIR}/build_cmake.bat"
      "set SDK=C:\\Program Files\\Microsoft SDKs\\Windows\\v7.1\n"
      "set INCLUDE=%SDK%\\Include;%INCLUDE%\n"
      "set LIB=%SDK%\\lib;%LIB%\n"
      )
  endif()
  if((${CMAKE_GENERATOR} MATCHES "Visual Studio 16 2019") OR ${CMAKE_GENERATOR} MATCHES "Visual Studio 17 2022")
    if("${ARCHITECTURE}" MATCHES "x64")
      file(APPEND "${SRC_DIR}/build_cmake.bat"
        "call \"${VCVARS32_N}\" amd64\n"
        )
    else()
      file(APPEND "${SRC_DIR}/build_cmake.bat"
        "call \"${VCVARS32_N}\" x86\n"
        )
    endif()
  elseif(${CMAKE_GENERATOR} MATCHES "Visual Studio 15 2017 Win64")
    file(APPEND "${SRC_DIR}/build_cmake.bat"
      "call \"${VCVARS32_N}\" amd64\n"
      )
  elseif(${CMAKE_GENERATOR} MATCHES "Visual Studio 15 2017")
    file(APPEND "${SRC_DIR}/build_cmake.bat"
      "call \"${VCVARS32_N}\" x86\n"
      )
  elseif(${CMAKE_GENERATOR} MATCHES "Visual Studio")
    file(APPEND "${SRC_DIR}/build_cmake.bat"
      "call \"${VCVARS32_N}\"\n"
      )
  endif()
  file(APPEND "${SRC_DIR}/build_cmake.bat"
    "perl Configure no-asm no-async no-shared no-capieng no-dso no-engine ${CONFIG_TARGET} -D_WIN32_WINNT=0x0501 --prefix=${INSTALL_DIR_N} --openssldir=${INSTALL_DIR_N}\\SSL\n"
    "nmake -f makefile install\n"
    )
  set(BUILD_CMAKE_BAT "${SRC_DIR}/build_cmake.bat")
  file(TO_NATIVE_PATH ${BUILD_CMAKE_BAT} BUILD_CMAKE_BAT_N)
  execute_process(
    COMMAND cmd /c ${BUILD_CMAKE_BAT_N}
    WORKING_DIRECTORY ${SRC_DIR}
    RESULT_VARIABLE rv
    )
  if(NOT rv STREQUAL "0")
    message(FATAL_ERROR "cmake build fail ${rv}")
  endif()
else()
  ######################################## MinGW
  execute_process(
    COMMAND "uname" -s
    OUTPUT_VARIABLE ov)
  string(REGEX MATCH "[A-Za-z0-9]+" UNAME_S ${ov})
  if("${UNAME_S}" STREQUAL "CYGWIN")
    find_program(
      MAKE make.exe
      HINTS c:/cygwin/usr/bin
      HINTS c:/cygwin64/usr/bin
      )
  elseif(("${UNAME_S}" STREQUAL "MINGW32") OR ("${UNAME_S}" STREQUAL "MINGW64") OR ("${CMAKE_COMMAND}" MATCHES "mingw"))
    find_program(
      MAKE make
      )
  elseif(CMAKE_HOST_SYSTEM_NAME MATCHES "Linux")
    find_program(
      MAKE make
      )
  else()
    message(FATAL_ERROR "unsported")
  endif()
  set(ENV{PATH} "/usr/bin;/bin")
  if(("${UNAME_S}" STREQUAL "MINGW32") OR ("${CMAKE_COMMAND}" MATCHES "mingw32"))
    set(CMAKE_C_COMPILER "cc")
    set(PATH "/mingw32/bin:/usr/local/bin:/usr/bin:/bin:/usr/bin/core_perl")
    set(CONFIG_NAME "mingw")
  elseif(("${UNAME_S}" STREQUAL "MINGW64") OR ("${CMAKE_COMMAND}" MATCHES "mingw64"))
    set(CMAKE_C_COMPILER "cc")
    set(PATH "/mingw64/bin:/usr/local/bin:/usr/bin:/bin:/usr/bin/core_perl")
    set(CONFIG_NAME "mingw64")
  else()
    include(${CMAKE_SOURCE_DIR}/../mingw.toolchain.cmake)
    set(ENV{CC} ${CMAKE_C_COMPILER})
    set(ENV{AR} "i686-w64-mingw32-ar")
    set(ENV{RANLIB} "i686-w64-mingw32-ranlib")
    set(ENV{RC} "i686-w64-mingw32-windres")
    set(PATH "/usr/bin:/bin")
    set(CONFIG_NAME "mingw")
  endif()
  execute_process(
    COMMAND ${CMAKE_COMMAND} -E env "PATH=/usr/bin:/bin" ${PERL} ./Configure no-asm no-async no-shared no-capieng -no-dso -no-engine ${CONFIG_NAME} -D_WIN32_WINNT=0x0501 --prefix=${INSTALL_DIR} --openssldir=${INSTALL_DIR}/SSL
    WORKING_DIRECTORY ${SRC_DIR}
    RESULT_VARIABLE rv
    )
  if(NOT rv STREQUAL "0")
    message(FATAL_ERROR "cmake configure fail ${rv}")
  endif()
  set(MAKE_OPTION "-j")
  execute_process(
    COMMAND ${CMAKE_COMMAND} -E env "PATH=${PATH}" ${MAKE} CC=${CMAKE_C_COMPILER} ${MAKE_OPTION}
    WORKING_DIRECTORY ${SRC_DIR}
    RESULT_VARIABLE rv
    )
  if(NOT rv STREQUAL "0")
    message(FATAL_ERROR "cmake build fail ${rv}")
  endif()
  execute_process(
    COMMAND ${CMAKE_COMMAND} -E env "PATH=${PATH}" ${MAKE} install ${MAKE_OPTION}
    WORKING_DIRECTORY ${SRC_DIR}
    RESULT_VARIABLE rv
    )
  if(NOT rv STREQUAL "0")
    message(FATAL_ERROR "cmake install fail ${rv}")
  endif()
endif()
