cmake_minimum_required(VERSION 3.15)

include(FetchContent)

# --------------------------------------------------
# Declarations
# --------------------------------------------------

FetchContent_Declare(googletest
    GIT_REPOSITORY https://github.com/google/googletest.git
    GIT_TAG v1.14.0)
FetchContent_Declare(GSL
    GIT_REPOSITORY https://github.com/Microsoft/GSL.git
    GIT_TAG v4.0.0)

# --------------------------------------------------

project(arcana.cpp)

set_property(GLOBAL PROPERTY USE_FOLDERS ON)

set(CMAKE_CXX_STANDARD 20)
set(CMAKE_CXX_STANDARD_REQUIRED ON)

FetchContent_MakeAvailable(GSL)

# --------------------------------------------------
# Options
# --------------------------------------------------

option(ARCANA_TESTS "Include arcana.cpp tests." ${PROJECT_IS_TOP_LEVEL})

# --------------------------------------------------

# Top-level folder
set(SOURCES
    "Source/Shared/arcana/algorithm.h"
    "Source/Shared/arcana/expected.h"
    "Source/Shared/arcana/finally_scope.h"
    "Source/Shared/arcana/iterators.h"
    "Source/Shared/arcana/macros.h"
    "Source/Shared/arcana/math.h"
    "Source/Shared/arcana/sentry.h"
    "Source/Shared/arcana/string.h"
    "Source/Shared/arcana/type_traits.h")

# containers
set(SOURCES ${SOURCES}
    "Source/Shared/arcana/containers/sorted_vector.h"
    "Source/Shared/arcana/containers/ticketed_collection.h"
    "Source/Shared/arcana/containers/unique_vector.h"
    "Source/Shared/arcana/containers/unordered_bimap.h"
    "Source/Shared/arcana/containers/weak_table.h")

# experimental
set(SOURCES ${SOURCES}
    "Source/Shared/arcana/experimental/array.h")

# functional
set(SOURCES ${SOURCES}
    "Source/Shared/arcana/functional/inplace_function.h")

# messaging
set(SOURCES ${SOURCES}
    "Source/Shared/arcana/messaging/mediator.h"
    "Source/Shared/arcana/messaging/router.h")

# scheduling
set(SOURCES ${SOURCES}
    "Source/Shared/arcana/scheduling/state_machine.h"
    "Source/Shared/arcana/scheduling/state_machine_state.h")

# threading
set(SOURCES ${SOURCES}
    "Source/Shared/arcana/threading/affinity.h"
    "Source/Shared/arcana/threading/blocking_concurrent_queue.h"
    "Source/Shared/arcana/threading/cancellation.h"
    "Source/Shared/arcana/threading/coroutine.h"
    "Source/Shared/arcana/threading/dispatcher.h"
    "Source/Shared/arcana/threading/pending_task_scope.h"
    "Source/Shared/arcana/threading/task.h")

# threading/internal
set(SOURCES ${SOURCES}
    "Source/Shared/arcana/threading/internal/callable_traits.h"
    "Source/Shared/arcana/threading/internal/internal_task.h")

if(WIN32)
    set(SOURCES ${SOURCES}
        "Source/Windows/arcana/hresult.h"
        "Source/Windows/arcana/hresult.cpp"
        "Source/Windows/arcana/threading/set_thread_name.h"
        "Source/Windows/arcana/threading/set_thread_name.cpp"
        "Source/Windows/arcana/threading/task_conversions.h"
        "Source/Windows/arcana/threading/task_schedulers.h"
        "Source/Windows/arcana/threading/task_schedulers.cpp")

    add_library(arcana ${SOURCES})

    target_include_directories(arcana PUBLIC "${gsl_SOURCE_DIR}/include")
    target_include_directories(arcana PUBLIC "Source/Shared")
    target_include_directories(arcana PUBLIC "Source/Windows")

    set_target_properties(arcana PROPERTIES LINKER_LANGUAGE CXX)

    target_compile_definitions(arcana PRIVATE NOMINMAX)
    target_compile_definitions(arcana PRIVATE _SILENCE_CXX17_CODECVT_HEADER_DEPRECATION_WARNING)
else()
    add_library(arcana INTERFACE)

    target_include_directories(arcana INTERFACE "${gsl_SOURCE_DIR}/include")
    target_include_directories(arcana INTERFACE "Source/Shared")

    if(ANDROID)
        target_include_directories(arcana INTERFACE "Source/Android")
    elseif(APPLE)
        target_include_directories(arcana INTERFACE "Source/Apple")
    elseif(UNIX)
        target_include_directories(arcana INTERFACE "Source/Unix")
    endif()
endif()

if(ARCANA_TESTS)
    FetchContent_MakeAvailable(googletest)
    include(GoogleTest)

    set(TEST_SOURCES
        "Source/Shared.Test/AlgorithmUnitTest.cpp"
        "Source/Shared.Test/ExpectedUnitTest.cpp"
        "Source/Shared.Test/InplaceFunctionUnitTest.cpp"
        "Source/Shared.Test/IteratorUnitTest.cpp"
        "Source/Shared.Test/TypeTraitsTest.cpp"
        "Source/Shared.Test/Containers/ContainerUnitTest.cpp"
        "Source/Shared.Test/Experimental/ArrayUnitTest.cpp"
        "Source/Shared.Test/Messaging/MediatorUnitTest.cpp"
        "Source/Shared.Test/Scheduling/SchedulingUnitTest.cpp"
        "Source/Shared.Test/Threading/CoroutineTests.cpp"
        "Source/Shared.Test/Threading/DispatcherUnitTest.cpp"
        "Source/Shared.Test/Threading/TaskUnitTest.cpp")

    if(WIN32)
        # Windows-specific tests
        set(TEST_SOURCES
            ${TEST_SOURCES}
            "Source/Windows.Test/HresultTest.cpp"
            "Source/Windows.Test/Threading/TaskConversionsTests.cpp"
            "Source/Windows.Test/Threading/TaskSchedulersTests.cpp")
    endif()

    add_executable(arcana_tests ${TEST_SOURCES})

    target_include_directories(arcana_tests
        PRIVATE "Source/Shared")

    target_link_libraries(arcana_tests
        PRIVATE arcana
        PRIVATE gtest_main
        PRIVATE gtest)

    if(WIN32)
        target_include_directories(arcana_tests
            PRIVATE "Source/Windows")

        target_link_libraries(arcana_tests
            PRIVATE onecore.lib)
    endif()

    enable_testing()
    gtest_discover_tests(arcana_tests)

    set_property(TARGET gmock PROPERTY FOLDER Dependencies)
    set_property(TARGET gmock_main PROPERTY FOLDER Dependencies)
    set_property(TARGET gtest PROPERTY FOLDER Dependencies)
    set_property(TARGET gtest_main PROPERTY FOLDER Dependencies)

    if(WIN32)
        # Standalone executable that uses _CrtDumpMemoryLeaks to verify
        # cancellation::none() does not leak due to the no_destroy pattern.
        add_executable(cancellation_leak_test
            "Source/Windows.Test/Threading/CancellationMemoryLeakTest.cpp")

        target_include_directories(cancellation_leak_test
            PRIVATE "Source/Shared"
            PRIVATE "Source/Windows")

        target_link_libraries(cancellation_leak_test
            PRIVATE arcana)

        add_test(NAME CancellationMemoryLeakTest COMMAND cancellation_leak_test)
    endif()
endif()