set(CMAKE_CXX_STANDARD 20)
set(CMAKE_RUNTIME_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/bin")
include(${IMGUI_BUNDLE_PATH}/imgui_bundle_cmake/imgui_bundle_add_demo.cmake)
include_directories(.)

set(demos_cpp_folder ${CMAKE_CURRENT_LIST_DIR})


add_subdirectory(demo_utils)
add_subdirectory(demos_immapp)
add_subdirectory(demos_node_editor)
add_subdirectory(demos_imguizmo)
add_subdirectory(demos_tex_inspect)
#add_subdirectory(demos_imanim)
if(IMGUI_BUNDLE_WITH_NANOVG)
    add_subdirectory(demos_nanovg)
endif()
if (IMGUI_BUNDLE_WITH_IMMVISION)
    add_subdirectory(demos_immvision)
endif()
add_subdirectory(sandbox)

ibd_add_this_folder_auto_demos("")
ibd_add_this_folder_as_demos_library()

target_link_libraries(demo_imguizmo_launcher PRIVATE demos_imguizmo)
target_link_libraries(demo_node_editor_launcher PRIVATE demos_node_editor)
target_link_libraries(demo_tex_inspect_launcher PRIVATE demos_tex_inspect)
target_link_libraries(demo_imgui_bundle PRIVATE
    demos_cpp
    demos_imguizmo
    demos_tex_inspect
    demos_node_editor
    demo_utils
)
if (IMGUI_BUNDLE_WITH_IMMVISION)
    target_link_libraries(demo_immvision_launcher PRIVATE demos_immvision)
    target_link_libraries(demo_imgui_bundle PRIVATE demos_immvision)
endif()
if(IMMVISION_HAS_OPENCV)
    find_package(OpenCV REQUIRED)
    target_link_libraries(demo_immvision_launcher PUBLIC opencv_imgproc)
    target_link_libraries(demo_imgui_bundle PUBLIC opencv_imgproc)
endif()


FILE(COPY ../demos_assets DESTINATION ${CMAKE_RUNTIME_OUTPUT_DIRECTORY})

# Bundle demos_assets only for demos that actually need demo-specific fonts/images.
# Other demos get only the core imgui_bundle_assets/ (DroidSans, Roboto, fontawesome, etc.)
set(_da ${IMGUI_BUNDLE_PATH}/bindings/imgui_bundle/demos_assets)
foreach(_t
    demo_imgui_bundle
    demo_imgui_bundle_intro
    demo_widgets
    demo_imgui_show_demo_window
)
    hello_imgui_bundle_assets_from_folder(${_t} ${_da})
endforeach()

if (MSVC)
    FILE(COPY msvc_note.txt DESTINATION ${CMAKE_RUNTIME_OUTPUT_DIRECTORY})
endif()

if(EMSCRIPTEN)
    # Preload demo source files so that "Code for this demo" can display them.
    # so source files must be embedded in the virtual filesystem at /demos_cpp and /demos_python.
    set(_demos_root ${CMAKE_CURRENT_LIST_DIR}/..)
    target_link_options(demo_imgui_bundle PRIVATE
        "SHELL:--preload-file ${_demos_root}/demos_cpp@/demos_cpp"
        "SHELL:--preload-file ${_demos_root}/demos_python@/demos_python"
    )
endif()

if(EMSCRIPTEN AND HELLOIMGUI_EMSCRIPTEN_PTHREAD)
    # Needed addition for multithread support (required by ImGui Test Engine)
    # Note: see the shell.emscripten.html in this folder we are using a custom shell,
    #       that provides Cross-origin isolation (COOP and COEP) through a service worker
    #       for situations in which you can't control the headers (e.g. GitHub pages).
    #
    # coi-serviceworker.js was found at https://github.com/gzuidhof/coi-serviceworker, and manually patched:
    #    see https://github.com/gzuidhof/coi-serviceworker/issues/20
    #    and https://github.com/gzuidhof/coi-serviceworker/compare/master...tamo:coi-serviceworker:coep-ua-brand
    #
    # coi-serviceworker.js provides Cross-origin isolation (COOP and COEP) through a service worker
    # for situations in which you can't control the headers (e.g. GitHub pages).

    get_property(runtime_output_directory TARGET demo_imgui_bundle PROPERTY RUNTIME_OUTPUT_DIRECTORY)
    FILE(MAKE_DIRECTORY ${runtime_output_directory})
    FILE(COPY_FILE ${CMAKE_CURRENT_LIST_DIR}/coi-serviceworker.js ${runtime_output_directory}/coi-serviceworker.js)

    target_link_options(demo_imgui_bundle PUBLIC -sPTHREAD_POOL_SIZE=2)
endif()