vcpkg_check_linkage(ONLY_STATIC_LIBRARY)

if ("docking-experimental" IN_LIST FEATURES)
    vcpkg_from_github(
        OUT_SOURCE_PATH SOURCE_PATH
        REPO ocornut/imgui
        REF "v${VERSION}-docking"
        SHA512 5d1849867475c24dea51254bde945e919938b4fa2aac218e35a9371d3f48d8fc486ac4e459e9a0c3d36526f18972ac3ac292581aa831ca54efb3d640c6e156b1
        HEAD_REF docking
    )
else()
    vcpkg_from_github(
        OUT_SOURCE_PATH SOURCE_PATH
        REPO ocornut/imgui
        REF "v${VERSION}"
        SHA512 eef35ba9f7e39ddeff3e2df0eef77d3cd8602115cb42a6fad274aecf4d5e6922c43ea4fab37908729df00a3d3e69c5000b21b46b23ed18891fb899e6b9807feb
        HEAD_REF master
    )
endif()

file(COPY "${CMAKE_CURRENT_LIST_DIR}/imgui-config.cmake.in" DESTINATION "${SOURCE_PATH}")
file(COPY "${CMAKE_CURRENT_LIST_DIR}/CMakeLists.txt" DESTINATION "${SOURCE_PATH}")

vcpkg_check_features(OUT_FEATURE_OPTIONS FEATURE_OPTIONS
    FEATURES 
    allegro5-binding            IMGUI_BUILD_ALLEGRO5_BINDING
    android-binding             IMGUI_BUILD_ANDROID_BINDING
    dx9-binding                 IMGUI_BUILD_DX9_BINDING
    dx10-binding                IMGUI_BUILD_DX10_BINDING
    dx11-binding                IMGUI_BUILD_DX11_BINDING
    dx12-binding                IMGUI_BUILD_DX12_BINDING
    glfw-binding                IMGUI_BUILD_GLFW_BINDING
    glut-binding                IMGUI_BUILD_GLUT_BINDING
    metal-binding               IMGUI_BUILD_METAL_BINDING
    opengl2-binding             IMGUI_BUILD_OPENGL2_BINDING
    opengl3-binding             IMGUI_BUILD_OPENGL3_BINDING
    osx-binding                 IMGUI_BUILD_OSX_BINDING
    sdl2-binding                IMGUI_BUILD_SDL2_BINDING
    sdl2-renderer-binding       IMGUI_BUILD_SDL2_RENDERER_BINDING
    vulkan-binding              IMGUI_BUILD_VULKAN_BINDING
    win32-binding               IMGUI_BUILD_WIN32_BINDING
    freetype                    IMGUI_FREETYPE
    freetype-lunasvg            IMGUI_FREETYPE_LUNASVG
    wchar32                     IMGUI_USE_WCHAR32
    test-engine                 IMGUI_TEST_ENGINE
)

if ("libigl-imgui" IN_LIST FEATURES)
    vcpkg_download_distfile(
        IMGUI_FONTS_DROID_SANS_H
        URLS
            https://raw.githubusercontent.com/libigl/libigl-imgui/c3efb9b62780f55f9bba34561f79a3087e057fc0/imgui_fonts_droid_sans.h
        FILENAME "imgui_fonts_droid_sans.h"
        SHA512
            abe9250c9a5989e0a3f2285bbcc83696ff8e38c1f5657c358e6fe616ff792d3c6e5ff2fa23c2eeae7d7b307392e0dc798a95d14f6d10f8e9bfbd7768d36d8b31
    )

    file(INSTALL "${IMGUI_FONTS_DROID_SANS_H}" DESTINATION "${CURRENT_PACKAGES_DIR}/include")
endif()

if ("test-engine" IN_LIST FEATURES)
    vcpkg_from_github(
        OUT_SOURCE_PATH TEST_ENGINE_SOURCE_PATH
        REPO ocornut/imgui_test_engine
        REF "v${VERSION}"
        SHA512 b18d64732629f01eb4153c7f7dbc2184d7ad1d63d0dc1b4f42120209c673f20ebc202bf7bc6ab27ae1a23a9437d40cc9f77c3e100e0e6de3ed6eb0087c41b7a4
        HEAD_REF master
    )

    file(REMOVE_RECURSE "${SOURCE_PATH}/test-engine")
    file(COPY "${TEST_ENGINE_SOURCE_PATH}/imgui_test_engine/" DESTINATION "${SOURCE_PATH}/test-engine")
    file(REMOVE_RECURSE "${SOURCE_PATH}/test-engine/thirdparty/stb")
    vcpkg_replace_string("${SOURCE_PATH}/test-engine/imgui_capture_tool.cpp" "//#define IMGUI_STB_IMAGE_WRITE_FILENAME \"my_folder/stb_image_write.h\"" "#define IMGUI_STB_IMAGE_WRITE_FILENAME <stb_image_write.h>\n#define STB_IMAGE_WRITE_STATIC")
    vcpkg_replace_string("${SOURCE_PATH}/imconfig.h" "#pragma once" "#pragma  once\n\n#include \"imgui_te_imconfig.h\"")
    vcpkg_replace_string("${SOURCE_PATH}/test-engine/imgui_te_imconfig.h" "#define IMGUI_TEST_ENGINE_ENABLE_COROUTINE_STDTHREAD_IMPL 0" "#define IMGUI_TEST_ENGINE_ENABLE_COROUTINE_STDTHREAD_IMPL 1")
endif()

vcpkg_cmake_configure(
    SOURCE_PATH "${SOURCE_PATH}"
    OPTIONS
        ${FEATURE_OPTIONS}
    OPTIONS_DEBUG
        -DIMGUI_SKIP_HEADERS=ON
)

vcpkg_cmake_install()

if ("freetype" IN_LIST FEATURES)
    vcpkg_replace_string("${CURRENT_PACKAGES_DIR}/include/imconfig.h" "//#define IMGUI_ENABLE_FREETYPE\n" "#define IMGUI_ENABLE_FREETYPE\n")
endif()
if ("freetype-lunasvg" IN_LIST FEATURES)
    vcpkg_replace_string("${CURRENT_PACKAGES_DIR}/include/imconfig.h" "//#define IMGUI_ENABLE_FREETYPE_LUNASVG" "#define IMGUI_ENABLE_FREETYPE_LUNASVG")
endif()
if ("wchar32" IN_LIST FEATURES)
    vcpkg_replace_string("${CURRENT_PACKAGES_DIR}/include/imconfig.h" "//#define IMGUI_USE_WCHAR32" "#define IMGUI_USE_WCHAR32")
endif()

vcpkg_copy_pdbs()
vcpkg_cmake_config_fixup()

if ("test-engine" IN_LIST FEATURES)
    vcpkg_install_copyright(FILE_LIST "${SOURCE_PATH}/LICENSE.txt" "${SOURCE_PATH}/test-engine/LICENSE.txt")
else()
    vcpkg_install_copyright(FILE_LIST "${SOURCE_PATH}/LICENSE.txt")
endif()