project(hal)

include(CompileWarnings)
include(AddTest)

file(STRINGS src/generate/Instances.txt RAW_INSTANCES)
file(STRINGS src/generate/ResourceType.txt RAW_RESOURCE_TYPES)

SET(usage_reporting_types_cpp "")
SET(usage_reporting_instances_cpp "")
SET(usage_reporting_types "")
SET(usage_reporting_instances "")

foreach(ITEM ${RAW_INSTANCES})
    list(APPEND usage_reporting_instances_cpp "    ${ITEM},")
    list(APPEND usage_reporting_instances "\n    public static final int ${ITEM};")
endforeach()

foreach(ITEM ${RAW_RESOURCE_TYPES})
    list(APPEND usage_reporting_types_cpp "    ${ITEM},")
    list(APPEND usage_reporting_types "\n    public static final int ${ITEM};")
endforeach()

string(REPLACE ";" "\n" usage_reporting_types_cpp "${usage_reporting_types_cpp}")
string(REPLACE ";" "\n" usage_reporting_instances_cpp "${usage_reporting_instances_cpp}")

file(GLOB
    hal_shared_native_src src/main/native/cpp/*.cpp
    hal_shared_native_src src/main/native/cpp/cpp/*.cpp
    hal_shared_native_src src/main/native/cpp/handles/*.cpp
    hal_sim_native_src src/main/native/sim/*.cpp
    hal_sim_native_src src/main/native/sim/mockdata/*.cpp)
add_library(hal ${hal_shared_native_src})
wpilib_target_warnings(hal)
set_target_properties(hal PROPERTIES DEBUG_POSTFIX "d")

if(USE_EXTERNAL_HAL)
    include(${EXTERNAL_HAL_FILE})
else()
    target_sources(hal PRIVATE ${hal_sim_native_src})
endif()

configure_file(src/generate/FRCUsageReporting.h.in gen/hal/FRCUsageReporting.h)

set_target_properties(hal PROPERTIES OUTPUT_NAME "wpiHal")

target_include_directories(hal PUBLIC
                $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/src/main/native/include>
                            $<INSTALL_INTERFACE:${include_dest}/hal>)

target_include_directories(hal PUBLIC
                $<BUILD_INTERFACE:${CMAKE_CURRENT_BINARY_DIR}/gen>
                            $<INSTALL_INTERFACE:${include_dest}/hal>)
target_link_libraries(hal PUBLIC wpiutil)

set_property(TARGET hal PROPERTY FOLDER "libraries")

install(TARGETS hal EXPORT hal DESTINATION "${main_lib_dest}")
install(DIRECTORY src/main/native/include/ DESTINATION "${include_dest}/hal")
install(DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/gen/ DESTINATION "${include_dest}/hal")

if (WITH_FLAT_INSTALL)
    set (hal_config_dir ${wpilib_dest})
else()
    set (hal_config_dir share/hal)
endif()

configure_file(hal-config.cmake.in ${WPILIB_BINARY_DIR}/hal-config.cmake )
install(FILES ${WPILIB_BINARY_DIR}/hal-config.cmake DESTINATION ${hal_config_dir})
install(EXPORT hal DESTINATION ${hal_config_dir})

# Java bindings
if (WITH_JAVA)
    find_package(Java REQUIRED)
    find_package(JNI REQUIRED)
    include(UseJava)
    set(CMAKE_JAVA_COMPILE_FLAGS "-encoding" "UTF8" "-Xlint:unchecked")

    configure_file(src/generate/FRCNetComm.java.in FRCNetComm.java)

    file(GLOB_RECURSE hal_shared_jni_src src/main/native/cpp/jni/*.cpp)

    file(GLOB_RECURSE JAVA_SOURCES
        ${CMAKE_CURRENT_BINARY_DIR}/FRCNetComm.java
        src/main/java/*.java)
    set(CMAKE_JNI_TARGET true)

    if(${CMAKE_VERSION} VERSION_LESS "3.11.0")
        set(CMAKE_JAVA_COMPILE_FLAGS "-h" "${CMAKE_CURRENT_BINARY_DIR}/jniheaders")
        add_jar(hal_jar ${JAVA_SOURCES} INCLUDE_JARS wpiutil_jar OUTPUT_NAME wpiHal)
    else()
        add_jar(hal_jar ${JAVA_SOURCES} INCLUDE_JARS wpiutil_jar OUTPUT_NAME wpiHal GENERATE_NATIVE_HEADERS hal_jni_headers)
    endif()

    get_property(HAL_JAR_FILE TARGET hal_jar PROPERTY JAR_FILE)
    install(FILES ${HAL_JAR_FILE} DESTINATION "${java_lib_dest}")

    set_property(TARGET hal_jar PROPERTY FOLDER "java")

    add_library(haljni ${hal_shared_jni_src})

    if(USE_EXTERNAL_HAL)
        include(${EXTERNAL_HAL_FILE})
    endif()

    set_target_properties(haljni PROPERTIES OUTPUT_NAME "wpiHaljni")

    wpilib_target_warnings(haljni)
    target_link_libraries(haljni PUBLIC hal wpiutil)

    set_property(TARGET haljni PROPERTY FOLDER "libraries")

    if(${CMAKE_VERSION} VERSION_LESS "3.11.0")
        target_include_directories(haljni PRIVATE ${JNI_INCLUDE_DIRS})
        target_include_directories(haljni PRIVATE "${CMAKE_CURRENT_BINARY_DIR}/jniheaders")
    else()
        target_link_libraries(haljni PRIVATE hal_jni_headers)
    endif()
    add_dependencies(haljni hal_jar)

    if (MSVC)
        install(TARGETS haljni RUNTIME DESTINATION "${jni_lib_dest}" COMPONENT Runtime)
    endif()

    install(TARGETS haljni EXPORT haljni DESTINATION "${main_lib_dest}")

endif()

if (WITH_TESTS)
    wpilib_add_test(hal src/test/native/cpp)
    target_link_libraries(hal_test hal gtest)
endif()