vcpkg_fail_port_install(ON_TARGET "uwp")

set(ICU_VERSION_MAJOR 69)
set(ICU_VERSION_MINOR 1)
set(VERSION "${ICU_VERSION_MAJOR}.${ICU_VERSION_MINOR}")
set(VERSION2 "${ICU_VERSION_MAJOR}_${ICU_VERSION_MINOR}")
set(VERSION3 "${ICU_VERSION_MAJOR}-${ICU_VERSION_MINOR}")

vcpkg_download_distfile(
    ARCHIVE
    URLS "https://github.com/unicode-org/icu/releases/download/release-${VERSION3}/icu4c-${VERSION2}-src.tgz"
    FILENAME "icu4c-${VERSION2}-src.tgz"
    SHA512 d4aeb781715144ea6e3c6b98df5bbe0490bfa3175221a1d667f3e6851b7bd4a638fa4a37d4a921ccb31f02b5d15a6dded9464d98051964a86f7b1cde0ff0aab7 
)
vcpkg_extract_source_archive_ex(
    OUT_SOURCE_PATH SOURCE_PATH
    ARCHIVE ${ARCHIVE}
    PATCHES
        ${CMAKE_CURRENT_LIST_DIR}/disable-escapestr-tool.patch
        ${CMAKE_CURRENT_LIST_DIR}/remove-MD-from-configure.patch
        ${CMAKE_CURRENT_LIST_DIR}/fix_parallel_build_on_windows.patch
        ${CMAKE_CURRENT_LIST_DIR}/fix-extra.patch
)

vcpkg_find_acquire_program(PYTHON3)
set(ENV{PYTHON} "${PYTHON3}")

list(APPEND CONFIGURE_OPTIONS --disable-samples --disable-tests --disable-layoutex)

list(APPEND CONFIGURE_OPTIONS_RELEASE --disable-debug --enable-release)
list(APPEND CONFIGURE_OPTIONS_DEBUG  --enable-debug --disable-release)

set(RELEASE_TRIPLET ${TARGET_TRIPLET}-rel)
set(DEBUG_TRIPLET ${TARGET_TRIPLET}-dbg)

if(NOT "${TARGET_TRIPLET}" STREQUAL "${HOST_TRIPLET}")
    # cross compiling
    list(APPEND CONFIGURE_OPTIONS "--with-cross-build=${_VCPKG_INSTALLED_DIR}/${HOST_TRIPLET}/tools/${PORT}")
endif()

if(VCPKG_TARGET_IS_WINDOWS)
    if(VCPKG_TARGET_ARCHITECTURE STREQUAL "x64")
        set(BUILD_TRIPLET --host=x86_64-w64-mingw32)
    else()
        set(BUILD_TRIPLET --host=i686-w64-mingw32)
    endif()
endif()

vcpkg_configure_make(
    SOURCE_PATH ${SOURCE_PATH}
    PROJECT_SUBPATH source
    BUILD_TRIPLET ${BUILD_TRIPLET}
    OPTIONS ${CONFIGURE_OPTIONS}
    OPTIONS_RELEASE ${CONFIGURE_OPTIONS_RELEASE}
    OPTIONS_DEBUG ${CONFIGURE_OPTIONS_DEBUG}
)

if(VCPKG_TARGET_IS_OSX AND VCPKG_LIBRARY_LINKAGE STREQUAL "dynamic" AND (NOT DEFINED VCPKG_BUILD_TYPE OR VCPKG_BUILD_TYPE STREQUAL "release"))

    vcpkg_build_make()
    # remove this block if https://unicode-org.atlassian.net/browse/ICU-21458
    # is resolved and use the configure script instead
    if(DEFINED CMAKE_INSTALL_NAME_DIR)
        set(ID_PREFIX "${CMAKE_INSTALL_NAME_DIR}")
    else()
        set(ID_PREFIX "@rpath")
    endif()

    # install_name_tool may be missing if cross-compiling
    find_program(
        INSTALL_NAME_TOOL
        install_name_tool
        HINTS /usr/bin /Library/Developer/CommandLineTools/usr/bin/
        DOC "Absolute path of install_name_tool"
        REQUIRED
    )

    message(STATUS "setting rpath prefix for macOS dynamic libraries")
    
    # add ID_PREFIX to libicudata libicui18n libicuio libicutu libicuuc
    foreach(LIB_NAME libicudata libicui18n libicuio libicutu libicuuc)
        vcpkg_execute_build_process(
            COMMAND ${INSTALL_NAME_TOOL} -id "${ID_PREFIX}/${LIB_NAME}.${ICU_VERSION_MAJOR}.dylib"
            "${LIB_NAME}.${VERSION}.dylib"
            WORKING_DIRECTORY "${CURRENT_BUILDTREES_DIR}/${RELEASE_TRIPLET}/lib"
            LOGNAME "make-build-fix-rpath-${RELEASE_TRIPLET}"
        )
    endforeach()
    
    # add ID_PREFIX to libicui18n libicuio libicutu dependencies
    foreach(LIB_NAME libicui18n libicuio)
        vcpkg_execute_build_process(
            COMMAND ${INSTALL_NAME_TOOL} -change "libicuuc.${ICU_VERSION_MAJOR}.dylib"
                                                "${ID_PREFIX}/libicuuc.${ICU_VERSION_MAJOR}.dylib"
                                                "${LIB_NAME}.${VERSION}.dylib"
            WORKING_DIRECTORY "${CURRENT_BUILDTREES_DIR}/${RELEASE_TRIPLET}/lib"
            LOGNAME "make-build-fix-rpath-${RELEASE_TRIPLET}"
        )
        vcpkg_execute_build_process(
            COMMAND ${INSTALL_NAME_TOOL} -change "libicudata.${ICU_VERSION_MAJOR}.dylib"
                                                "${ID_PREFIX}/libicudata.${ICU_VERSION_MAJOR}.dylib"
                                                "${LIB_NAME}.${VERSION}.dylib"
            WORKING_DIRECTORY "${CURRENT_BUILDTREES_DIR}/${RELEASE_TRIPLET}/lib"
            LOGNAME "make-build-fix-rpath-${RELEASE_TRIPLET}"
        )
    endforeach()

    # add ID_PREFIX to remaining libicuio libicutu dependencies
    foreach(LIB_NAME libicuio libicutu)
        vcpkg_execute_build_process(
            COMMAND ${INSTALL_NAME_TOOL} -change "libicui18n.${ICU_VERSION_MAJOR}.dylib"
                                                "${ID_PREFIX}/libicui18n.${ICU_VERSION_MAJOR}.dylib"
                                                "${LIB_NAME}.${VERSION}.dylib"
            WORKING_DIRECTORY "${CURRENT_BUILDTREES_DIR}/${RELEASE_TRIPLET}/lib"
            LOGNAME "make-build-fix-rpath-${RELEASE_TRIPLET}"
        )
    endforeach()

    # add ID_PREFIX to libicuuc dependencies
    vcpkg_execute_build_process(
        COMMAND ${INSTALL_NAME_TOOL} -change "libicudata.${ICU_VERSION_MAJOR}.dylib"
                                            "${ID_PREFIX}/libicudata.${ICU_VERSION_MAJOR}.dylib"
                                            "libicuuc.${VERSION}.dylib"
        WORKING_DIRECTORY "${CURRENT_BUILDTREES_DIR}/${RELEASE_TRIPLET}/lib"
        LOGNAME "make-build-fix-rpath-${RELEASE_TRIPLET}"
    )

    # make install
    vcpkg_execute_build_process(
        COMMAND bash --noprofile --norc -c "make install"
        WORKING_DIRECTORY "${CURRENT_BUILDTREES_DIR}/${RELEASE_TRIPLET}"
        LOGNAME "make-install-${RELEASE_TRIPLET}")
    message(STATUS "Package ${RELEASE_TRIPLET} done")
    
else()
    vcpkg_install_make()
endif()

if(VCPKG_TARGET_IS_MINGW)
    file(GLOB ICU_TOOLS
        ${CURRENT_PACKAGES_DIR}/bin/*${VCPKG_HOST_EXECUTABLE_SUFFIX}
        ${CURRENT_PACKAGES_DIR}/debug/bin/*${VCPKG_HOST_EXECUTABLE_SUFFIX}
        ${CURRENT_PACKAGES_DIR}/bin/icu-config
        ${CURRENT_PACKAGES_DIR}/debug/bin/icu-config)
    file(REMOVE ${ICU_TOOLS})
endif()

file(REMOVE_RECURSE
    ${CURRENT_PACKAGES_DIR}/share
    ${CURRENT_PACKAGES_DIR}/debug/share
    ${CURRENT_PACKAGES_DIR}/lib/icu
    ${CURRENT_PACKAGES_DIR}/debug/lib/icu
    ${CURRENT_PACKAGES_DIR}/debug/lib/icud)

file(GLOB TEST_LIBS
    ${CURRENT_PACKAGES_DIR}/lib/*test*
    ${CURRENT_PACKAGES_DIR}/debug/lib/*test*)
file(REMOVE ${TEST_LIBS})

if(VCPKG_LIBRARY_LINKAGE STREQUAL "static")
    if(VCPKG_TARGET_IS_WINDOWS)
        # rename static libraries to match import libs
        # see https://gitlab.kitware.com/cmake/cmake/issues/16617
        foreach(MODULE dt in io tu uc)
            if(NOT DEFINED VCPKG_BUILD_TYPE OR VCPKG_BUILD_TYPE STREQUAL "release")
                file(RENAME ${CURRENT_PACKAGES_DIR}/lib/sicu${MODULE}${VCPKG_TARGET_STATIC_LIBRARY_SUFFIX} ${CURRENT_PACKAGES_DIR}/lib/icu${MODULE}${VCPKG_TARGET_STATIC_LIBRARY_SUFFIX})
            endif()

            if(NOT DEFINED VCPKG_BUILD_TYPE OR VCPKG_BUILD_TYPE STREQUAL "debug")
                file(RENAME ${CURRENT_PACKAGES_DIR}/debug/lib/sicu${MODULE}d${VCPKG_TARGET_STATIC_LIBRARY_SUFFIX} ${CURRENT_PACKAGES_DIR}/debug/lib/icu${MODULE}d${VCPKG_TARGET_STATIC_LIBRARY_SUFFIX})
            endif()
        endforeach()

        file(GLOB_RECURSE pkg_files LIST_DIRECTORIES false ${CURRENT_PACKAGES_DIR}/*.pc)
        message(STATUS "${pkg_files}")
        foreach(pkg_file IN LISTS pkg_files)
            message(STATUS "${pkg_file}")
            file(READ ${pkg_file} PKG_FILE)
            string(REGEX REPLACE "-ls([^ \\t\\n]+)" "-l\\1" PKG_FILE "${PKG_FILE}" )
            file(WRITE ${pkg_file} "${PKG_FILE}")
        endforeach()
    endif()

    # force U_STATIC_IMPLEMENTATION macro
    foreach(HEADER utypes.h utf_old.h platform.h)
        file(READ ${CURRENT_PACKAGES_DIR}/include/unicode/${HEADER} HEADER_CONTENTS)
        string(REPLACE "defined(U_STATIC_IMPLEMENTATION)" "1" HEADER_CONTENTS "${HEADER_CONTENTS}")
        file(WRITE ${CURRENT_PACKAGES_DIR}/include/unicode/${HEADER} "${HEADER_CONTENTS}")
    endforeach()
endif()

# Install executables from /tools/icu/sbin to /tools/icu/bin on unix (/bin because icu require this for cross compiling)
if(VCPKG_TARGET_IS_LINUX OR VCPKG_TARGET_IS_OSX)
    vcpkg_copy_tools(
        TOOL_NAMES icupkg gennorm2 gencmn genccode gensprep
        SEARCH_DIR ${CURRENT_PACKAGES_DIR}/tools/icu/sbin
        DESTINATION ${CURRENT_PACKAGES_DIR}/tools/${PORT}/bin
    )
endif()

file(REMOVE_RECURSE
    ${CURRENT_PACKAGES_DIR}/tools/icu/sbin
    ${CURRENT_PACKAGES_DIR}/tools/icu/debug)

# To cross compile, we need some files at specific positions. So lets copy them
file(GLOB CROSS_COMPILE_DEFS ${CURRENT_BUILDTREES_DIR}/${RELEASE_TRIPLET}/config/icucross.*)
file(INSTALL ${CROSS_COMPILE_DEFS} DESTINATION ${CURRENT_PACKAGES_DIR}/tools/${PORT}/config)

if(NOT DEFINED VCPKG_BUILD_TYPE OR VCPKG_BUILD_TYPE STREQUAL "release")
    file(GLOB RELEASE_DLLS ${CURRENT_PACKAGES_DIR}/lib/icu*${ICU_VERSION_MAJOR}.dll)
    file(COPY ${RELEASE_DLLS} DESTINATION ${CURRENT_PACKAGES_DIR}/tools/${PORT}/bin)
endif()

# copy dlls
if(NOT DEFINED VCPKG_BUILD_TYPE OR VCPKG_BUILD_TYPE STREQUAL "release")
    file(GLOB RELEASE_DLLS ${CURRENT_PACKAGES_DIR}/lib/icu*${ICU_VERSION_MAJOR}.dll)
    file(COPY ${RELEASE_DLLS} DESTINATION ${CURRENT_PACKAGES_DIR}/bin)
endif()
if(NOT DEFINED VCPKG_BUILD_TYPE OR VCPKG_BUILD_TYPE STREQUAL "debug")
    file(GLOB DEBUG_DLLS ${CURRENT_PACKAGES_DIR}/debug/lib/icu*${ICU_VERSION_MAJOR}.dll)
    file(COPY ${DEBUG_DLLS} DESTINATION ${CURRENT_PACKAGES_DIR}/debug/bin)
endif()

# remove any remaining dlls in /lib
file(GLOB DUMMY_DLLS ${CURRENT_PACKAGES_DIR}/lib/*.dll ${CURRENT_PACKAGES_DIR}/debug/lib/*.dll)
if(DUMMY_DLLS)
    file(REMOVE ${DUMMY_DLLS})
endif()

vcpkg_copy_pdbs()
vcpkg_fixup_pkgconfig(SYSTEM_LIBRARIES pthread m)

# Handle copyright
file(INSTALL ${SOURCE_PATH}/LICENSE DESTINATION ${CURRENT_PACKAGES_DIR}/share/${PORT} RENAME copyright)
configure_file("${CMAKE_CURRENT_LIST_DIR}/vcpkg-cmake-wrapper.cmake" "${CURRENT_PACKAGES_DIR}/share/${PORT}/vcpkg-cmake-wrapper.cmake" @ONLY)