cmake_minimum_required(VERSION 3.16 FATAL_ERROR)

set(CMAKE_POLICY_DEFAULT_CMP0077 NEW)

if(LINUX)
    find_package(ECM REQUIRED NO_MODULE)
    set(CMAKE_MODULE_PATH ${ECM_MODULE_PATH})
endif()

if(CMAKE_COMPILER_IS_GNUCC OR CMAKE_COMPILER_IS_GNUCXX)
    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wunknown-pragmas")
endif()

add_subdirectory(3rdParty)

#set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_CURRENT_SOURCE_DIR}/cmake/modules")
set(CMAKE_RUNTIME_OUTPUT_DIRECTORY "${CMAKE_SOURCE_DIR}/bin")
set(CMAKE_RUNTIME_OUTPUT_DIRECTORY_RELEASE "${CMAKE_SOURCE_DIR}/bin/release")
set(CMAKE_RUNTIME_OUTPUT_DIRECTORY_DEBUG "${CMAKE_SOURCE_DIR}/bin/debug")
set(CMAKE_DEBUG_POSTFIX "d")

if(LINUX)
    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -march=native -mtune=native")
endif()

project (openVulkanoCpp VERSION 1.0 LANGUAGES C CXX)

file(GLOB_RECURSE sources CONFIGURE_DEPENDS "openVulkanoCpp/*.cpp")
if(IOS)
    add_compile_options("$<$<CONFIG:Release>:-O3>$<$<CONFIG:Debug>:-O0>$<$<CONFIG:MinSizeRel>:-Os>$<$<CONFIG:RelWithDebInfo>:-O2>")

    set(CMAKE_Swift_LANGUAGE_VERSION 5.0)
    enable_language(Swift)
    file(GLOB_RECURSE sources CONFIGURE_DEPENDS "openVulkanoCpp/*.mm" "openVulkanoCpp/*.m" "openVulkanoCpp/*.cpp" "openVulkanoCpp/*.swift")
    list(FILTER sources EXCLUDE REGEX ".*GLFW.*")
    list(FILTER sources EXCLUDE REGEX "main\.cpp")

    file(GLOB_RECURSE resources CONFIGURE_DEPENDS "openVulkanoCpp/*.storyboard" "openVulkanoCpp/*.xib")
    add_executable(openVulkanoCpp openVulkanoCpp/main.m ${resources})
else()
    add_executable(openVulkanoCpp openVulkanoCpp/main.cpp ${resources})
endif()

#region Exclude platform files
if (NOT IOS)
    list(FILTER sources EXCLUDE REGEX ".*[\\/]Host[\\/]iOS[\\/].*")
endif ()
if (NOT LINUX)
    list(FILTER sources EXCLUDE REGEX ".*[\\/]Host[\\/]Linux[\\/].*")
endif ()
if (NOT WIN32)
    list(FILTER sources EXCLUDE REGEX ".*[\\/]Host[\\/]Windows[\\/].*")
endif ()
#endregion

target_sources(openVulkanoCpp PRIVATE ${sources} openVulkanoCpp/Shader/Shaders.c)
target_include_directories(openVulkanoCpp PUBLIC openVulkanoCpp)

# Setup IOS
if(IOS)
    set(APP_BUNDLE_IDENTIFIER "eu.georgh93.openVulkano")
    set(MACOSX_BUNDLE_INFO_STRING ${APP_BUNDLE_IDENTIFIER})
    set(MACOSX_BUNDLE_GUI_IDENTIFIER ${APP_BUNDLE_IDENTIFIER})
    set(MACOSX_BUNDLE_BUNDLE_NAME ${APP_BUNDLE_IDENTIFIER})

    set(CMAKE_OSX_DEPLOYMENT_TARGET "14.1") # The used ARKit features are only available starting with iOS 14

    target_link_libraries(openVulkanoCpp
            PUBLIC "-framework CoreFoundation"
            PRIVATE "-framework Foundation"
            PRIVATE "-framework CoreImage"
            PRIVATE "-framework CoreVideo"
            PRIVATE "-framework Metal"
            PRIVATE "-framework MetalPerformanceShaders"
            PUBLIC "-framework ARKit"
            PRIVATE "-lstdc++"
            PRIVATE c++
            PRIVATE c
            )


    # Locate system libraries on iOS
    find_library(UIKIT UIKit)
    find_library(FOUNDATION Foundation)
    find_library(MOBILECORESERVICES MobileCoreServices)
    find_library(CFNETWORK CFNetwork)
    find_library(SYSTEMCONFIGURATION SystemConfiguration)

    # link the frameworks located above
    target_link_libraries(openVulkanoCpp PRIVATE ${UIKIT})
    target_link_libraries(openVulkanoCpp PRIVATE ${FOUNDATION})
    target_link_libraries(openVulkanoCpp PRIVATE ${MOBILECORESERVICES})
    target_link_libraries(openVulkanoCpp PRIVATE ${CFNETWORK})
    target_link_libraries(openVulkanoCpp PRIVATE ${SYSTEMCONFIGURATION})
endif ()

#Setup Vulkan
if (APPLE)
    # Try to find xcframework of MoltenVK
    cmake_path(SET MoltenVK_path NORMALIZE "$ENV{VULKAN_SDK}/../MoltenVK/")
    cmake_path(SET MoltenVK_XC_path NORMALIZE "$ENV{VULKAN_SDK}/../MoltenVK/MoltenVK.xcframework")
    if (EXISTS "${MoltenVK_path}" AND EXISTS "${MoltenVK_XC_path}")
        if (EXISTS "${MoltenVK_path}/include")
            set(Vulkan_INCLUDE_DIR "${MoltenVK_path}/include")
        endif()

        target_link_libraries(openVulkanoCpp PRIVATE "${MoltenVK_XC_path}/ios-arm64/libMoltenVK.a")
        message("Found MoltenVK xcframework: ${MoltenVK_XC_path}")
    endif()

    if (NOT ${Vulkan_INCLUDE_DIR})
        #find_package(Vulkan REQUIRED COMPONENTS MoltenVK)
        #target_link_libraries(openVulkanoCpp PRIVATE Vulkan::MoltenVK)
    endif()
else ()
    find_package(Vulkan REQUIRED)
    target_link_libraries(openVulkanoCpp PRIVATE Vulkan::Vulkan)
endif()
target_include_directories(openVulkanoCpp PUBLIC ${Vulkan_INCLUDE_DIR})


if (ANDROID)
    add_definitions(-DVK_USE_PLATFORM_ANDROID_KHR)
elseif (WIN32)
    add_definitions(-DVK_USE_PLATFORM_WIN32_KHR)
elseif (LINUX)
    add_definitions(-DVK_USE_PLATFORM_XCB_KHR)
    find_package(XCB REQUIRED)
    link_libraries(${XCB_LIBRARIES})
endif()

set_property(TARGET openVulkanoCpp PROPERTY CXX_STANDARD 17)
if (LINUX)
    target_compile_options(openVulkanoCpp PRIVATE -Wall)
endif()

if (NOT ANDROID AND NOT IOS)
    Find_Package(OpenCV)
    Find_Package(libjpeg-turbo)
    Find_Package(Open3D)
    target_include_directories(openVulkanoCpp PRIVATE ${OpenCV_INCLUDE_DIRS})
    target_link_libraries(openVulkanoCpp PRIVATE glfw ${OpenCV_LIBS} pugixml)
    if (libjpeg-turbo_FOUND)
        target_link_libraries(openVulkanoCpp PRIVATE libjpeg-turbo::turbojpeg)
    endif()
    target_link_libraries(openVulkanoCpp PRIVATE Open3D::Open3D)
    target_link_libraries(openVulkanoCpp PRIVATE assimp)
    add_compile_definitions(GLM_FORCE_AVX2)
    target_link_libraries(openVulkanoCpp PRIVATE ftxui::screen ftxui::dom ftxui::component)
endif()

list(APPEND CMAKE_PREFIX_PATH ${CMAKE_BINARY_DIR}/deps/INSTALL)
if (IOS)
    target_link_libraries(openVulkanoCpp PRIVATE "/opt/libjpeg-turbo-ios/lib/libturbojpeg.a")
    target_include_directories(openVulkanoCpp PRIVATE "/opt/libjpeg-turbo-ios/include")
endif ()

if (LINUX)
    find_package(spdlog)
    find_package(fmt)
    find_package(yaml-cpp)
    target_link_libraries(openVulkanoCpp PRIVATE fmt)
endif()

find_package(LibArchive REQUIRED)
set(ZLIB_USE_STATIC_LIBS ON)
find_package(ZLIB REQUIRED)
target_include_directories(openVulkanoCpp PRIVATE ${LibArchive_INCLUDE_DIR})
target_link_libraries(openVulkanoCpp PRIVATE magic_enum yaml-cpp spdlog glm pugixml ${LibArchive_LIBRARIES} ${ZLIB_LIBRARIES} stb eigen utf8cpp imgui_internal TracyClient)

add_compile_definitions(GLM_FORCE_INTRINSICS)
add_compile_definitions(GLM_FORCE_SILENT_WARNINGS)
add_compile_definitions(LIBARCHIVE_STATIC)

if(CMAKE_BUILD_TYPE STREQUAL "Debug")
    add_compile_definitions(DEBUG)
endif()