# ==============================================================================
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#  This file is part of the JUCE framework.
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# ==============================================================================

include(FindPackageHandleStandardArgs)

if(JUCE_WINDOWS_MIDI_SERVICES_PACKAGE_LOCATION)
    set(initial_search_dir ${JUCE_WINDOWS_MIDI_SERVICES_PACKAGE_LOCATION})
else()
    set(initial_search_dir "$ENV{USERPROFILE}/AppData/Local/PackageManagement/NuGet/Packages")
endif()

file(GLOB subdirs "${initial_search_dir}/Microsoft.Windows.Devices.Midi2.*")

if(subdirs)
    list(GET subdirs 0 search_dir)
    list(LENGTH subdirs num_midi2_packages)

    if(num_midi2_packages GREATER 1)
        message(WARNING "Multiple Windows MIDI Services packages found in the local NuGet folder. Proceeding with ${search_dir}.")
    endif()

    find_path(WindowsMIDIServices_root_dir ref/native/Microsoft.Windows.Devices.Midi2.winmd HINTS ${search_dir})
    set(WindowsMIDIServices_winmd "${WindowsMIDIServices_root_dir}/ref/native/Microsoft.Windows.Devices.Midi2.winmd")
elseif(NOT WindowsMIDIServices_FIND_QUIETLY)
    message(WARNING
            "Windows MIDI Services wasn't found in the the local NuGet folder."
            "\n"
            "TODO(reuk) At the moment the WMS package isn't in the public nuget repo so it needs to be installed from a local source.")
endif()

find_package_handle_standard_args(WindowsMIDIServices DEFAULT_MSG WindowsMIDIServices_winmd)

if(WindowsMIDIServices_FOUND)
    set(WindowsMIDIServices_INCLUDE_DIRS ${WindowsMIDIServices_include_dirs})

    mark_as_advanced(WindowsMIDIServices_include_dirs WindowsMIDIServices_root_dir)

    if(NOT TARGET juce_windows_midi_services)
        get_target_property(cppwinrt_command jcppwinrt IMPORTED_LOCATION)
        execute_process(COMMAND "${cppwinrt_command}"
                -reference sdk
                -input "${WindowsMIDIServices_winmd}"
                -output "${CMAKE_BINARY_DIR}/winmidi_projection"
            OUTPUT_VARIABLE command_output
            ERROR_VARIABLE command_output
            RESULT_VARIABLE result_variable)

        if(result_variable)
            message(FATAL_ERROR "Failed to run cppwinrt to generate Windows MIDI Services headers\n${command_output}")
        endif()

        add_library(juce_windows_midi_services INTERFACE)
        add_library(juce::juce_windows_midi_services ALIAS juce_windows_midi_services)
        target_link_libraries(juce_windows_midi_services INTERFACE juce_winrt_headers)
        target_include_directories(juce_windows_midi_services INTERFACE
            "${CMAKE_BINARY_DIR}/winmidi_projection"
            "${WindowsMIDIServices_root_dir}/build/native/include")
        target_compile_definitions(juce_windows_midi_services INTERFACE JUCE_USE_WINDOWS_MIDI_SERVICES=1)
    endif()
endif()
