# SPDX-License-Identifier: LGPL-2.1-or-later

set(FREECAD_WEB_DEPENDENCY_ROOT "${CMAKE_SOURCE_DIR}/build-web" CACHE PATH
    "Root containing the installed Emscripten dependencies")
set(FREECAD_WEB_YAML_ROOT "${FREECAD_WEB_DEPENDENCY_ROOT}/yaml-install" CACHE PATH
    "yaml-cpp Emscripten installation prefix")
set(FREECAD_WEB_EIGEN_ROOT "${FREECAD_WEB_DEPENDENCY_ROOT}/eigen-install" CACHE PATH
    "Eigen 3.4.0 installation prefix")
set(FREECAD_WEB_BOOST_ROOT "${FREECAD_WEB_DEPENDENCY_ROOT}/boost-install" CACHE PATH
    "Boost 1.83.0 Emscripten installation prefix")
set(FREECAD_WEB_QT_ROOT "${FREECAD_WEB_DEPENDENCY_ROOT}/qt-install" CACHE PATH
    "Qt Emscripten installation prefix")
set(FREECAD_WEB_PYTHON_ROOT "${FREECAD_WEB_DEPENDENCY_ROOT}/python-install" CACHE PATH
    "CPython Emscripten installation prefix")
set(FREECAD_WEB_PYTHON_BUILD_ROOT "${FREECAD_WEB_DEPENDENCY_ROOT}/python-probe" CACHE PATH
    "CPython Emscripten build tree containing extension archives")
set(FREECAD_WEB_ICU_ROOT "${FREECAD_WEB_DEPENDENCY_ROOT}/icu-install" CACHE PATH
    "ICU 68.2 Emscripten installation prefix")
set(FREECAD_WEB_ZLIB_ROOT "${FREECAD_WEB_DEPENDENCY_ROOT}/zlib-install" CACHE PATH
    "zlib 1.3 Emscripten installation prefix")
set(FREECAD_WEB_XERCESC_ROOT "${FREECAD_WEB_DEPENDENCY_ROOT}/xerces-install" CACHE PATH
    "Xerces-C 3.2.4 Emscripten installation prefix")
set(FREECAD_WEB_OCCT_ROOT "${FREECAD_WEB_DEPENDENCY_ROOT}/occt-install" CACHE PATH
    "OpenCASCADE 7.6.3 Emscripten installation prefix")
set(FREECAD_WEB_OPENSSL_ROOT "${FREECAD_WEB_DEPENDENCY_ROOT}/openssl-install" CACHE PATH
    "OpenSSL 3.2.2 Emscripten installation prefix")
set(FREECAD_WEB_CURL_ROOT "${FREECAD_WEB_DEPENDENCY_ROOT}/curl-install" CACHE PATH
    "CURL 8.8.0 Emscripten installation prefix")
set(FREECAD_WEB_HOST_PYTHON_EXECUTABLE "" CACHE FILEPATH
    "Native Python used for configure-time generators in a Web build")
set(FREECAD_WEB_PTHREAD_DEPENDENCY_ROOT "" CACHE PATH
    "Optional root containing atomics-tagged pthread Web dependencies")

# The regular Web dependency bundle intentionally omits QtGui/QtWidgets.  A
# native TechDraw build needs the separately staged Qt closure; select it when
# the caller has not supplied a usable native Qt root.  Keep an explicit
# FREECAD_WEB_QT_ROOT override authoritative so ordinary Web builds retain the
# lightweight dependency set.
if(FREECAD_WEB_ENABLE_TECHDRAW_NATIVE AND
   NOT EXISTS "${FREECAD_WEB_QT_ROOT}/lib/cmake/Qt5Gui/Qt5GuiConfig.cmake" AND
   EXISTS "${FREECAD_WEB_DEPENDENCY_ROOT}/qt-techdraw-install/lib/cmake/Qt5Gui/Qt5GuiConfig.cmake")
    set(FREECAD_WEB_QT_ROOT "${FREECAD_WEB_DEPENDENCY_ROOT}/qt-techdraw-install" CACHE PATH
        "Qt Emscripten installation prefix" FORCE)
    message(STATUS "TechDraw native: using staged QtGui closure at ${FREECAD_WEB_QT_ROOT}")
endif()

if(FREECAD_WEB_ENABLE_TECHDRAW_NATIVE)
    if(NOT FREECAD_WEB_PTHREAD_DEPENDENCY_ROOT AND
       EXISTS "${FREECAD_WEB_DEPENDENCY_ROOT}/occt-pthread-install" AND
       EXISTS "${FREECAD_WEB_DEPENDENCY_ROOT}/python-pthread-install" AND
       EXISTS "${FREECAD_WEB_DEPENDENCY_ROOT}/yaml-pthread-install" AND
       EXISTS "${FREECAD_WEB_DEPENDENCY_ROOT}/icu-pthread-install" AND
       EXISTS "${FREECAD_WEB_DEPENDENCY_ROOT}/boost-pthread-install")
        set(FREECAD_WEB_PTHREAD_DEPENDENCY_ROOT "${FREECAD_WEB_DEPENDENCY_ROOT}" CACHE PATH
            "Root containing atomics-tagged pthread Web dependencies" FORCE)
    endif()
    if(FREECAD_WEB_PTHREAD_DEPENDENCY_ROOT AND
       EXISTS "${FREECAD_WEB_PTHREAD_DEPENDENCY_ROOT}/occt-pthread-install" AND
       EXISTS "${FREECAD_WEB_PTHREAD_DEPENDENCY_ROOT}/python-pthread-install" AND
       EXISTS "${FREECAD_WEB_PTHREAD_DEPENDENCY_ROOT}/yaml-pthread-install" AND
       EXISTS "${FREECAD_WEB_PTHREAD_DEPENDENCY_ROOT}/icu-pthread-install" AND
       EXISTS "${FREECAD_WEB_PTHREAD_DEPENDENCY_ROOT}/boost-pthread-install")
        message(STATUS "TechDraw native: using atomics-tagged pthread dependency closure")
        set(FREECAD_WEB_OCCT_ROOT "${FREECAD_WEB_PTHREAD_DEPENDENCY_ROOT}/occt-pthread-install" CACHE PATH
            "OpenCASCADE pthread Web installation prefix" FORCE)
        set(FREECAD_WEB_PYTHON_ROOT "${FREECAD_WEB_PTHREAD_DEPENDENCY_ROOT}/python-pthread-install" CACHE PATH
            "CPython pthread Web installation prefix" FORCE)
        set(FREECAD_WEB_PYTHON_BUILD_ROOT "${FREECAD_WEB_PTHREAD_DEPENDENCY_ROOT}/python-pthread" CACHE PATH
            "CPython pthread Web build tree" FORCE)
        set(FREECAD_WEB_YAML_ROOT "${FREECAD_WEB_PTHREAD_DEPENDENCY_ROOT}/yaml-pthread-install" CACHE PATH
            "yaml-cpp pthread Web installation prefix" FORCE)
        set(FREECAD_WEB_ICU_ROOT "${FREECAD_WEB_PTHREAD_DEPENDENCY_ROOT}/icu-pthread-install" CACHE PATH
            "ICU pthread Web installation prefix" FORCE)
        set(FREECAD_WEB_BOOST_ROOT "${FREECAD_WEB_PTHREAD_DEPENDENCY_ROOT}/boost-pthread-install" CACHE PATH
            "Boost pthread Web installation prefix" FORCE)
    endif()
endif()

function(_freecad_web_require path description)
    if(NOT EXISTS "${path}")
        message(FATAL_ERROR
            "FREECAD_WEB requires ${description} at ${path}. "
            "Run tools/prepare_web_dependencies.sh first or set the matching "
            "FREECAD_WEB_*_ROOT cache variable.")
    endif()
endfunction()

set(_freecad_web_yaml_dir "${FREECAD_WEB_YAML_ROOT}/lib/cmake/yaml-cpp")
set(_freecad_web_eigen_include "${FREECAD_WEB_EIGEN_ROOT}/include/eigen3")
set(_freecad_web_boost_include "${FREECAD_WEB_BOOST_ROOT}/include")
set(_freecad_web_boost_library_dir "${FREECAD_WEB_BOOST_ROOT}/lib")
set(_freecad_web_qt_cmake_root "${FREECAD_WEB_QT_ROOT}/lib/cmake")
set(_freecad_web_python_include "${FREECAD_WEB_PYTHON_ROOT}/include/python3.12")
set(_freecad_web_python_library "${FREECAD_WEB_PYTHON_ROOT}/lib/libpython3.12.a")
set(_freecad_web_icu_include "${FREECAD_WEB_ICU_ROOT}/include")
set(_freecad_web_icu_uc_library "${FREECAD_WEB_ICU_ROOT}/lib/libicuuc.a")
set(_freecad_web_icu_i18n_library "${FREECAD_WEB_ICU_ROOT}/lib/libicui18n.a")
set(_freecad_web_icu_data_library "${FREECAD_WEB_ICU_ROOT}/lib/libicudata.a")
set(_freecad_web_zlib_include "${FREECAD_WEB_ZLIB_ROOT}/include")
set(_freecad_web_zlib_library "${FREECAD_WEB_ZLIB_ROOT}/lib/libz.a")
set(_freecad_web_xerces_include "${FREECAD_WEB_XERCESC_ROOT}/include")
set(_freecad_web_xerces_library "${FREECAD_WEB_XERCESC_ROOT}/lib/libxerces-c.a")
set(_freecad_web_occt_dir "${FREECAD_WEB_OCCT_ROOT}/lib/cmake/opencascade")

if(FREECAD_WEB_ENABLE_CLOUD)
    set(_freecad_web_openssl_include "${FREECAD_WEB_OPENSSL_ROOT}/include")
    set(_freecad_web_openssl_crypto "${FREECAD_WEB_OPENSSL_ROOT}/lib/libcrypto.a")
    set(_freecad_web_openssl_ssl "${FREECAD_WEB_OPENSSL_ROOT}/lib/libssl.a")
    set(_freecad_web_curl_include "${FREECAD_WEB_CURL_ROOT}/include")
    set(_freecad_web_curl_library "${FREECAD_WEB_CURL_ROOT}/lib/libcurl.a")
endif()

_freecad_web_require("${_freecad_web_yaml_dir}/yaml-cpp-config.cmake" "yaml-cpp CMake package")
_freecad_web_require("${_freecad_web_eigen_include}/signature_of_eigen3_matrix_library" "Eigen Web headers")
_freecad_web_require("${_freecad_web_eigen_include}/Eigen/src/Core/util/Macros.h" "Eigen version header")
_freecad_web_require("${_freecad_web_boost_include}/boost/version.hpp" "Boost Web headers")
foreach(_freecad_web_boost_component program_options regex thread date_time atomic)
    _freecad_web_require("${_freecad_web_boost_library_dir}/libboost_${_freecad_web_boost_component}.a"
        "Boost Web ${_freecad_web_boost_component} library")
endforeach()
_freecad_web_require("${_freecad_web_qt_cmake_root}/Qt5/Qt5Config.cmake" "Qt5 CMake package")
_freecad_web_require("${_freecad_web_qt_cmake_root}/Qt5Core/Qt5CoreConfig.cmake" "Qt5Core CMake package")
_freecad_web_require("${_freecad_web_qt_cmake_root}/Qt5Network/Qt5NetworkConfig.cmake" "Qt5Network CMake package")
_freecad_web_require("${_freecad_web_qt_cmake_root}/Qt5Xml/Qt5XmlConfig.cmake" "Qt5Xml CMake package")
if(FREECAD_WEB_ENABLE_TECHDRAW_NATIVE)
    foreach(_freecad_web_qt_native_component Gui Widgets Concurrent)
        _freecad_web_require("${_freecad_web_qt_cmake_root}/Qt5${_freecad_web_qt_native_component}/Qt5${_freecad_web_qt_native_component}Config.cmake"
            "Qt5${_freecad_web_qt_native_component} CMake package")
    endforeach()
    foreach(_freecad_web_qt_support_component EventDispatcherSupport FontDatabaseSupport EglSupport PlatformCompositorSupport AccessibilitySupport DeviceDiscoverySupport ServiceSupport ThemeSupport)
        set("Qt5${_freecad_web_qt_support_component}_DIR"
            "${_freecad_web_qt_cmake_root}/Qt5${_freecad_web_qt_support_component}"
            CACHE PATH "Web Qt5${_freecad_web_qt_support_component} package" FORCE)
    endforeach()
endif()
_freecad_web_require("${_freecad_web_python_include}/Python.h" "CPython 3.12 Web headers")
_freecad_web_require("${_freecad_web_python_library}" "CPython 3.12 Web static library")
_freecad_web_require("${_freecad_web_icu_include}/unicode/utypes.h" "ICU Web headers")
_freecad_web_require("${_freecad_web_icu_uc_library}" "ICU Web uc static library")
_freecad_web_require("${_freecad_web_icu_i18n_library}" "ICU Web i18n static library")
_freecad_web_require("${_freecad_web_icu_data_library}" "ICU Web data static library")
_freecad_web_require("${_freecad_web_zlib_include}/zlib.h" "zlib Web headers")
_freecad_web_require("${_freecad_web_zlib_library}" "zlib Web static library")
_freecad_web_require("${_freecad_web_xerces_include}/xercesc/util/PlatformUtils.hpp" "Xerces-C Web headers")
_freecad_web_require("${_freecad_web_xerces_library}" "Xerces-C Web static library")
_freecad_web_require("${_freecad_web_occt_dir}/OpenCASCADEConfig.cmake" "OpenCASCADE Web CMake package")
_freecad_web_require("${FREECAD_WEB_OCCT_ROOT}/include/opencascade/Standard_Version.hxx" "OpenCASCADE Web headers")
_freecad_web_require("${FREECAD_WEB_OCCT_ROOT}/lib/libTKernel.a" "OpenCASCADE Web foundation library")
if(FREECAD_WEB_ENABLE_CLOUD)
    _freecad_web_require("${_freecad_web_openssl_include}/openssl/opensslv.h" "OpenSSL Web headers")
    _freecad_web_require("${_freecad_web_openssl_crypto}" "OpenSSL Web crypto static library")
    _freecad_web_require("${_freecad_web_openssl_ssl}" "OpenSSL Web TLS static library")
    _freecad_web_require("${_freecad_web_curl_include}/curl/curl.h" "CURL Web headers")
    _freecad_web_require("${_freecad_web_curl_library}" "CURL Web static library")
endif()

if(NOT FREECAD_WEB_HOST_PYTHON_EXECUTABLE)
    find_program(_freecad_web_host_python NAMES python3.12 python3)
    if(NOT _freecad_web_host_python)
        message(FATAL_ERROR
            "FREECAD_WEB needs a native Python 3.12 interpreter for configure-time generators. "
            "Set FREECAD_WEB_HOST_PYTHON_EXECUTABLE.")
    endif()
    set(FREECAD_WEB_HOST_PYTHON_EXECUTABLE "${_freecad_web_host_python}" CACHE FILEPATH
        "Native Python used for configure-time generators in a Web build" FORCE)
endif()

# Emscripten's package root mode excludes arbitrary host paths, so direct the
# package lookups at the validated target installations. Python deliberately
# combines a native interpreter with WebAssembly development artifacts.
set("yaml-cpp_DIR" "${_freecad_web_yaml_dir}" CACHE PATH "Web yaml-cpp package" FORCE)
set(EIGEN3_INCLUDE_DIR "${_freecad_web_eigen_include}" CACHE PATH "Eigen Web headers" FORCE)
set(Boost_ROOT "${FREECAD_WEB_BOOST_ROOT}" CACHE PATH "Boost Web installation prefix" FORCE)
set(BOOST_ROOT "${FREECAD_WEB_BOOST_ROOT}" CACHE PATH "Boost Web installation prefix" FORCE)
set(Boost_NO_SYSTEM_PATHS ON CACHE BOOL "Use only the Boost Web installation" FORCE)
set(Boost_USE_STATIC_LIBS ON CACHE BOOL "Use Boost Web static libraries" FORCE)
set(Boost_USE_MULTITHREADED OFF CACHE BOOL "Use single-threaded Boost Web libraries" FORCE)
set(Boost_INCLUDE_DIR "${_freecad_web_boost_include}" CACHE PATH "Boost Web headers" FORCE)
set(Boost_LIBRARY_DIR "${_freecad_web_boost_library_dir}" CACHE PATH "Boost Web libraries" FORCE)
set(Qt5_DIR "${_freecad_web_qt_cmake_root}/Qt5" CACHE PATH "Web Qt5 package" FORCE)
list(PREPEND CMAKE_PREFIX_PATH "${_freecad_web_qt_cmake_root}")
set(_freecad_web_qt_components Core Network Xml)
if(FREECAD_WEB_ENABLE_TECHDRAW_NATIVE)
    list(APPEND _freecad_web_qt_components Gui Widgets Concurrent)
endif()
foreach(_freecad_web_qt_component IN LISTS _freecad_web_qt_components)
    set("Qt5${_freecad_web_qt_component}_DIR"
        "${_freecad_web_qt_cmake_root}/Qt5${_freecad_web_qt_component}"
        CACHE PATH "Web Qt5${_freecad_web_qt_component} package" FORCE)
endforeach()
unset(_freecad_web_qt_components)

set(Python3_EXECUTABLE "${FREECAD_WEB_HOST_PYTHON_EXECUTABLE}" CACHE FILEPATH
    "Native Python for Web configure-time generators" FORCE)
set(Python3_INCLUDE_DIR "${_freecad_web_python_include}" CACHE PATH
    "CPython Web development headers" FORCE)
set(Python3_LIBRARY "${_freecad_web_python_library}" CACHE FILEPATH
    "CPython Web static library" FORCE)

set(ICU_ROOT "${FREECAD_WEB_ICU_ROOT}" CACHE PATH "Web ICU installation prefix" FORCE)
set(ICU_INCLUDE_DIR "${_freecad_web_icu_include}" CACHE PATH "Web ICU headers" FORCE)
set(ICU_UC_LIBRARY "${_freecad_web_icu_uc_library}" CACHE FILEPATH "Web ICU uc library" FORCE)
set(ICU_UC_LIBRARY_RELEASE "${_freecad_web_icu_uc_library}" CACHE FILEPATH "Web ICU uc release library" FORCE)
set(ICU_I18N_LIBRARY "${_freecad_web_icu_i18n_library}" CACHE FILEPATH "Web ICU i18n library" FORCE)
set(ICU_I18N_LIBRARY_RELEASE "${_freecad_web_icu_i18n_library}" CACHE FILEPATH "Web ICU i18n release library" FORCE)
set(FREECAD_WEB_ICU_DATA_LIBRARY "${_freecad_web_icu_data_library}" CACHE FILEPATH
    "Web ICU data static library" FORCE)

set(ZLIB_ROOT "${FREECAD_WEB_ZLIB_ROOT}" CACHE PATH "zlib Web installation prefix" FORCE)
set(ZLIB_USE_STATIC_LIBS ON CACHE BOOL "Use the zlib Web static library" FORCE)
set(ZLIB_INCLUDE_DIR "${_freecad_web_zlib_include}" CACHE PATH "zlib Web headers" FORCE)
set(ZLIB_LIBRARY "${_freecad_web_zlib_library}" CACHE FILEPATH "zlib Web static library" FORCE)
set(ZLIB_LIBRARY_RELEASE "${_freecad_web_zlib_library}" CACHE FILEPATH
    "zlib Web release library" FORCE)

set(XercesC_INCLUDE_DIR "${_freecad_web_xerces_include}" CACHE PATH
    "Xerces-C Web headers" FORCE)
set(XercesC_LIBRARY "${_freecad_web_xerces_library}" CACHE FILEPATH
    "Xerces-C Web static library" FORCE)

set(OpenCASCADE_DIR "${_freecad_web_occt_dir}" CACHE PATH
    "OpenCASCADE Web CMake package" FORCE)
set(OCCT_CMAKE_FALLBACK OFF CACHE BOOL "Use the OpenCASCADE Web CMake package" FORCE)

if(FREECAD_WEB_ENABLE_CLOUD)
    set(OPENSSL_ROOT_DIR "${FREECAD_WEB_OPENSSL_ROOT}" CACHE PATH
        "OpenSSL Web installation prefix" FORCE)
    set(OPENSSL_USE_STATIC_LIBS TRUE CACHE BOOL "Use OpenSSL Web static libraries" FORCE)
    set(OPENSSL_INCLUDE_DIR "${_freecad_web_openssl_include}" CACHE PATH
        "OpenSSL Web headers" FORCE)
    set(OPENSSL_CRYPTO_LIBRARY "${_freecad_web_openssl_crypto}" CACHE FILEPATH
        "OpenSSL Web crypto static library" FORCE)
    set(OPENSSL_SSL_LIBRARY "${_freecad_web_openssl_ssl}" CACHE FILEPATH
        "OpenSSL Web TLS static library" FORCE)

    set(CURL_NO_CURL_CMAKE ON CACHE BOOL "Use CMake's FindCURL for the Web archive" FORCE)
    set(CURL_USE_STATIC_LIBS ON CACHE BOOL "Use the CURL Web static library" FORCE)
    set(CURL_INCLUDE_DIR "${_freecad_web_curl_include}" CACHE PATH
        "CURL Web headers" FORCE)
    set(CURL_LIBRARY "${_freecad_web_curl_library}" CACHE FILEPATH
        "CURL Web static library" FORCE)
    set(CURL_LIBRARY_RELEASE "${_freecad_web_curl_library}" CACHE FILEPATH
        "CURL Web release static library" FORCE)
endif()

unset(_freecad_web_yaml_dir)
unset(_freecad_web_eigen_include)
unset(_freecad_web_boost_include)
unset(_freecad_web_boost_library_dir)
unset(_freecad_web_qt_cmake_root)
unset(_freecad_web_python_include)
unset(_freecad_web_python_library)
unset(_freecad_web_icu_include)
unset(_freecad_web_icu_uc_library)
unset(_freecad_web_icu_i18n_library)
unset(_freecad_web_icu_data_library)
unset(_freecad_web_zlib_include)
unset(_freecad_web_zlib_library)
unset(_freecad_web_xerces_include)
unset(_freecad_web_xerces_library)
unset(_freecad_web_occt_dir)
unset(_freecad_web_openssl_include)
unset(_freecad_web_openssl_crypto)
unset(_freecad_web_openssl_ssl)
unset(_freecad_web_curl_include)
unset(_freecad_web_curl_library)
unset(_freecad_web_host_python)