set(VCPKG_POLICY_DLLS_IN_STATIC_LIBRARY enabled) # for plugins
set(VCPKG_POLICY_DLLS_WITHOUT_EXPORTS enabled) # kitty and vt plugin not ready yet?

vcpkg_from_gitlab(
    GITLAB_URL https://gitlab.com
    OUT_SOURCE_PATH SOURCE_PATH
    REPO graphviz/graphviz
    REF "${VERSION}"
    SHA512 1edcf6aa232d38d1861a344c1a4a88aac51fd4656d667783ca1608ac694025199595a72a293c4eee2f7c7326ce54f22b787a5b7f4c44946f2de6096bd8f0e79d
    HEAD_REF main
    PATCHES
        disable-pragma-lib.patch
        fix-dependencies.patch
        no-absolute-paths.patch
        select-plugins.patch
        static-linkage.patch
)

if(VCPKG_TARGET_IS_OSX)
    message("${PORT} currently requires the following libraries from the system package manager:\n    libtool\n\nThey can be installed with brew install libtool")
elseif(VCPKG_TARGET_IS_LINUX)
    message("${PORT} currently requires the following libraries from the system package manager:\n    libtool\n\nThey can be install with `apt-get install libtool` on Ubuntu systems or `dnf install libtool-ltdl-devel` on Fedora systems")
endif()

vcpkg_list(SET OPTIONS)
if(VCPKG_TARGET_IS_WINDOWS AND NOT VCPKG_TARGET_IS_MINGW)
    vcpkg_download_distfile(
        LTDL_H_PATH
        URLS "https://gitlab.com/graphviz/graphviz-windows-dependencies/-/raw/141d3a21be904fa8dc2ae3ed01d36684db07a35d/x64/include/ltdl.h"
        FILENAME graphviz-ltdl-141d3a21.h
        SHA512 f2d20e849e35060536265f47014c40eb70e57dacd600a9db112fc465fbfa6a66217b44a8c3dc33039c260a27f09d9034b329b03cc28c32a22ec503fcd17b78cd
    )
    file(INSTALL "${LTDL_H_PATH}" DESTINATION "${SOURCE_PATH}/libltdl" RENAME ltdl.h)
    vcpkg_list(APPEND OPTIONS "-DLTDL_INCLUDE_DIR=${SOURCE_PATH}/libltdl")
endif()

if(VCPKG_HOST_IS_WINDOWS)
    vcpkg_acquire_msys(MSYS_ROOT PACKAGES gawk)
    vcpkg_add_to_path("${MSYS_ROOT}/usr/bin")
    unset(ENV{MSYSTEM_PREFIX})
endif()

vcpkg_find_acquire_program(BISON)
vcpkg_find_acquire_program(FLEX)
vcpkg_find_acquire_program(GIT)
vcpkg_find_acquire_program(PYTHON3)

vcpkg_cmake_configure(
    SOURCE_PATH "${SOURCE_PATH}"
    OPTIONS
        "-DVERSION=${VERSION}"
        "-DBISON_EXECUTABLE=${BISON}"
        "-DFLEX_EXECUTABLE=${FLEX}"
        "-DGIT=${GIT}"
        "-DPython3_EXECUTABLE=${PYTHON3}"
        "-DPKG_CONFIG_EXECUTABLE=${CURRENT_HOST_INSTALLED_DIR}/tools/pkgconf/pkgconf"
        "-DCMAKE_PROJECT_INCLUDE=${CMAKE_CURRENT_LIST_DIR}/cmake-project-include.cmake"
        -Dinstall_win_dependency_dlls=OFF
        -Duse_win_pre_inst_libs=OFF
        -Dwith_gvedit=OFF
        -Dwith_smyrna=OFF
        -DCMAKE_DISABLE_FIND_PACKAGE_ANN=ON
        -DCMAKE_REQUIRE_FIND_PACKAGE_CAIRO=ON
        -DCMAKE_REQUIRE_FIND_PACKAGE_EXPAT=ON
        -DCMAKE_REQUIRE_FIND_PACKAGE_GD=ON
        -DCMAKE_REQUIRE_FIND_PACKAGE_LTDL=ON
        -DCMAKE_REQUIRE_FIND_PACKAGE_PANGOCAIRO=ON
        ${OPTIONS}
    MAYBE_UNUSED_VARIABLES
        install_win_dependency_dlls
)
vcpkg_cmake_install(ADD_BIN_TO_PATH)
vcpkg_fixup_pkgconfig()

file(REMOVE_RECURSE
    "${CURRENT_PACKAGES_DIR}/debug/include"
    "${CURRENT_PACKAGES_DIR}/debug/share"
    "${CURRENT_PACKAGES_DIR}/share/man"
)

file(MAKE_DIRECTORY "${CURRENT_PACKAGES_DIR}/tools/${PORT}")
foreach(script_or_link IN ITEMS "dot2gxl${VCPKG_TARGET_EXECUTABLE_SUFFIX}" gvmap.sh)
    if(EXISTS "${CURRENT_PACKAGES_DIR}/bin/${script_or_link}")
        file(RENAME "${CURRENT_PACKAGES_DIR}/bin/${script_or_link}" "${CURRENT_PACKAGES_DIR}/tools/${PORT}/${script_or_link}")
        file(REMOVE "${CURRENT_PACKAGES_DIR}/debug/bin/${script_or_link}")
    endif()
endforeach()
vcpkg_copy_tools(
    TOOL_NAMES
        acyclic
        bcomps
        ccomps
        circo
        cluster
        diffimg
        dijkstra
        dot
        dot_builtins
        edgepaint
        fdp
        gc
        gml2gv
        graphml2gv
        gv2gml
        gv2gxl
        gvcolor
        gvgen
        gvmap
        gvpack
        gvpr
        gxl2dot
        gxl2gv
        mm2gv
        neato
        nop
        osage
        patchwork
        prune
        sccmap
        sfdp
        tred
        twopi
        unflatten
    AUTO_CLEAN
)

file(GLOB plugin_config "${CURRENT_PACKAGES_DIR}/lib/graphviz/config*" "${CURRENT_PACKAGES_DIR}/bin/config*")
if(NOT plugin_config)
    message(WARNING
        "In order to create the plugin configuration file, "
        "you must run `dot -c` on the target system."
    )
endif()

if(VCPKG_TARGET_IS_WINDOWS)
    file(GLOB plugins "${CURRENT_PACKAGES_DIR}/bin/gvplugin_*")
    file(COPY ${plugins} ${plugin_config} DESTINATION "${CURRENT_PACKAGES_DIR}/tools/${PORT}")
else()
    file(COPY "${CURRENT_PACKAGES_DIR}/lib/graphviz" DESTINATION "${CURRENT_PACKAGES_DIR}/tools/${PORT}")
endif()

vcpkg_install_copyright(FILE_LIST "${SOURCE_PATH}/LICENSE")