cmake_minimum_required (VERSION 3.21.1)

project(map VERSION 0.0.1 LANGUAGES C CXX ASM)
if (NOT TARGET Qul::Core)
    find_package(Qul)
endif()

if (QUL_PLATFORM STREQUAL "qt")
    find_package(Qt6 6.2 COMPONENTS Gui QUIET)
    if(NOT Qt6Gui_FOUND)
        set(DEFAULT_QT6_VERSION 6.2.4)
        if(WIN32)
            set(DEFAULT_QT6_PATH C:\\Qt\\${DEFAULT_QT6_VERSION}\\msvc2019_64)
        else()
            set(DEFAULT_QT6_PATH $HOME/Qt/${DEFAULT_QT6_VERSION}/gcc_64)
        endif()
        message(FATAL_ERROR "Qt6 is required to build the map example. "
                            "Use -DCMAKE_PREFIX_PATH=${DEFAULT_QT6_PATH} or similar to specify the location of Qt6, "
                            "depending on which Qt version is used and where it is installed. "
                            "Alternatively, check the documentation for this example for more detailed instructions."
                          )
    endif()

    # On Linux / desktop the files by default need to be available next
    # to the built binary on the filesystem
    set(TILES_BASE_DIR "offline_tiles_provider/tiles/")
    set(PLACEHOLDER_TILE "${TILES_BASE_DIR}placeholder-tile.jpeg")
    set(SOURCE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/${TILES_BASE_DIR}")
    set(DEST_DIR "${CMAKE_CURRENT_BINARY_DIR}/${TILES_BASE_DIR}")
    file(COPY ${SOURCE_DIR} DESTINATION ${DEST_DIR})

    qul_add_target(map
        QML_PROJECT mcu_map.qmlproject
        os/baremetal/main.cpp
    )

    target_compile_definitions(map PRIVATE
                                TILES_BASE_DIR="${TILES_BASE_DIR}"
                                PLACEHOLDER_TILE="${PLACEHOLDER_TILE}"
                                MAX_CACHE_SIZE=100
                            )
    target_link_libraries(map PRIVATE Qt6::Gui)

    target_include_directories(map PRIVATE
                                ../fileloading/posix/
                                ../imagedecoder/desktop/
                            )
    target_sources(map PRIVATE
                          ${CMAKE_CURRENT_SOURCE_DIR}/desktop/board_config.cpp
                          ${CMAKE_CURRENT_SOURCE_DIR}/offline_tiles_provider/offlinetilefetcher.cpp
                          ../imagedecoder/desktop/desktopimagedecoder.cpp
                          ../fileloading/posix/posixfilesystem.cpp
                      )
    target_compile_features(map PRIVATE cxx_std_17)

    if (CMAKE_CXX_COMPILER_ID MATCHES "GNU")
        target_compile_options(map PRIVATE -Wno-maybe-uninitialized) # desktopimagedecoder.cpp:129ff read into a byte array.
    endif()

    app_target_setup_os(map)

elseif(QUL_PLATFORM MATCHES "^stm32f769i")
    set(STM32XX "stm32f7")

    qul_add_target(map
                    QML_PROJECT mcu_map.qmlproject
                    os/baremetal/main.cpp
                  )

    # user sets it to the location of tiles images on an external storage
    set(TILES_BASE_DIR "tiles/")
    set(PLACEHOLDER_TILE "${TILES_BASE_DIR}placeholder-tile.jpeg")

    target_compile_definitions(map PRIVATE
                                TILES_BASE_DIR="${TILES_BASE_DIR}"
                                PLACEHOLDER_TILE="${PLACEHOLDER_TILE}"
                                MAX_CACHE_SIZE=40
                            )

    target_include_directories(map PRIVATE
                                ../fileloading/3rdparty/FatFs/src
                                ../fileloading/fatfs
                                ../imagedecoder/stm/${STM32XX}
                                ../imagedecoder/stm
                                ${QUL_BOARD_SDK_DIR}/Utilities/JPEG
                            )
    target_sources(map PRIVATE
                    ${CMAKE_CURRENT_SOURCE_DIR}/offline_tiles_provider/offlinetilefetcher.cpp
                    ${CMAKE_CURRENT_SOURCE_DIR}/stm/${STM32XX}/board_config.cpp
                )
    # file system sources
    target_sources(map PRIVATE
            ../fileloading/3rdparty/FatFs/src/diskio.c
            ../fileloading/3rdparty/FatFs/src/ff.c
            ../fileloading/3rdparty/FatFs/src/ff_gen_drv.c
            ../fileloading/3rdparty/FatFs/src/sd_diskio.c
            ../fileloading/3rdparty/FatFs/src/option/unicode.c
            ${QUL_BOARD_SDK_DIR}/Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_ll_sdmmc.c
            ${QUL_BOARD_SDK_DIR}/Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_sd.c
            ${QUL_BOARD_SDK_DIR}/Drivers/BSP/STM32F769I-Discovery/stm32f769i_discovery_sd.c
        )
    # jpeg decoder sources
    target_sources(map PRIVATE
            ${QUL_BOARD_SDK_DIR}/Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_jpeg.c
            ../imagedecoder/stm/${STM32XX}/stm32f7xx_hal_msp.c
            ../imagedecoder/stm/${STM32XX}/buffer_config.cpp
            ../imagedecoder/stm/stmimagedecoder.cpp
            ../imagedecoder/common/jpeg.cpp
            ../imagedecoder/3rdparty/stm/Utilities/JPEG/jpeg_utils.c
        )

    target_compile_definitions(map PRIVATE
                                FF_FS_READONLY
                                DISABLE_SD_INIT
                                USE_JPEG_DECODER=1
                                USE_DMA_BASED_JPEG_DECODING
                                PLATFORM_OS=baremetal
                            )

    target_link_libraries(map PRIVATE Qul::PlatformBSPConfig)

    if(NOT IAR)
     target_compile_options(map PRIVATE -Wno-unused-parameter)
    endif()

    app_target_setup_os(map)

endif()