cmake_minimum_required(VERSION 3.13)

# Interface selection — consumers set these before add_subdirectory()
option(CS_MIDI_BLE       "Enable BLE MIDI interface (BTstack)"              ON)
option(CS_MIDI_USB       "Enable USB MIDI interface (TinyUSB)"              OFF)
option(CS_MIDI_SERIAL    "Enable Serial MIDI interface (UART)"              OFF)
option(CS_MIDI_APPLEMIDI "Enable AppleMIDI interface (RTP-MIDI over WiFi)"  OFF)
option(CS_MIDI_HID_KEYBOARD "HID keyboard + Battery Service for BLE auto-reconnect"  OFF)

# Core sources — always compiled
set(CS_MIDI_CORE_SOURCES
    AH/Debug/Debug.cpp
    AH/Error/Exit.cpp
    AH/PrintStream/PrintStream.cpp
    AH/STL/vector.cpp
    AH/Hardware/ExtendedInputOutput/ExtendedInputOutput.cpp
    AH/Hardware/ExtendedInputOutput/ExtendedIOElement.cpp
    AH/Hardware/Button.cpp
    AH/Hardware/IncrementButton.cpp
    AH/Hardware/IncrementDecrementButtons.cpp
    Submodules/Encoder/AHEncoder.cpp
    Control_Surface/Control_Surface_Class.cpp
    MIDI_Senders/RelativeCCSender.cpp
    Def/Cable.cpp
    Def/Channel.cpp
    Def/MIDIAddress.cpp
    MIDI_Parsers/SerialMIDI_Parser.cpp
    MIDI_Parsers/SysExBuffer.cpp
    MIDI_Parsers/MIDI_MessageTypes.cpp
    MIDI_Interfaces/MIDI_Interface.cpp
    MIDI_Interfaces/MIDI_Pipes.cpp
)

set(CS_MIDI_SOURCES ${CS_MIDI_CORE_SOURCES})

if(CS_MIDI_BLE)
    list(APPEND CS_MIDI_SOURCES
        MIDI_Interfaces/BLEMIDI/BLEMIDIPacketBuilder.cpp
        MIDI_Interfaces/BLEMIDI/BTstack/gatt_midi.cpp
        MIDI_Interfaces/BLEMIDI/BTstack/advertising.cpp
    )
endif()

if(CS_MIDI_USB)
    list(APPEND CS_MIDI_SOURCES
        MIDI_Parsers/USBMIDI_Parser.cpp
        MIDI_Interfaces/USBMIDI_Interface.cpp
    )
endif()

if(CS_MIDI_SERIAL)
    list(APPEND CS_MIDI_SOURCES
        MIDI_Interfaces/SerialMIDI_Interface.cpp
    )
endif()

if(CS_MIDI_APPLEMIDI)
    list(APPEND CS_MIDI_SOURCES
        MIDI_Interfaces/AppleMIDI/LwIPUDP.cpp
        MIDI_Interfaces/AppleMIDI/vendor/AppleMIDI.cpp
        MIDI_Interfaces/AppleMIDI_Interface.cpp
    )
endif()

add_library(cs_midi STATIC ${CS_MIDI_SOURCES})

target_include_directories(cs_midi PUBLIC
    ${CMAKE_CURRENT_LIST_DIR}
)

if(CS_MIDI_APPLEMIDI)
    target_include_directories(cs_midi PRIVATE
        ${CMAKE_CURRENT_LIST_DIR}/MIDI_Interfaces/AppleMIDI/vendor
    )
endif()

target_compile_definitions(cs_midi PUBLIC
    MIDI_NUM_CABLES=1
    $<$<BOOL:${CS_MIDI_BLE}>:CS_MIDI_BLE=1>
    $<$<BOOL:${CS_MIDI_USB}>:CS_MIDI_USB=1>
    $<$<BOOL:${CS_MIDI_SERIAL}>:CS_MIDI_SERIAL=1>
    $<$<BOOL:${CS_MIDI_APPLEMIDI}>:CS_MIDI_APPLEMIDI=1>
    $<$<BOOL:${CS_MIDI_HID_KEYBOARD}>:CS_MIDI_HID_KEYBOARD=1>
)

target_link_libraries(cs_midi
    PUBLIC  pico_stdlib hardware_sync hardware_adc
)

if(CS_MIDI_BLE)
    target_link_libraries(cs_midi
        PRIVATE pico_btstack_ble pico_btstack_cyw43
                pico_cyw43_arch_lwip_threadsafe_background
    )
endif()

if(CS_MIDI_SERIAL)
    target_link_libraries(cs_midi
        PRIVATE hardware_uart
    )
endif()

if(CS_MIDI_USB)
    target_link_libraries(cs_midi
        PRIVATE tinyusb_device tinyusb_board
    )
endif()

if(CS_MIDI_APPLEMIDI)
    target_link_libraries(cs_midi
        PRIVATE pico_cyw43_arch_lwip_threadsafe_background
                pico_lwip_mdns
    )
endif()

target_compile_features(cs_midi PUBLIC cxx_std_17)