cmake_minimum_required(VERSION 3.18.4)

project(Pong C CXX)

if (${CMAKE_HOST_SYSTEM_NAME} STREQUAL "Windows")
    set(IS_OS_WINDOWS TRUE)
    set(USER_HOME_DIRECTORY $ENV{USERPROFILE})
    message("Building for the Windows operating system.")
elseif (${CMAKE_HOST_SYSTEM_NAME} STREQUAL "Linux")
    set(IS_OS_LINUX TRUE)
    set(USER_HOME_DIRECTORY $ENV{HOME})
    add_compile_options(-Wno-stringop-overflow)
    message("Building for the Linux operating system.")
elseif (${CMAKE_HOST_SYSTEM_NAME} STREQUAL "Darwin")
    set(IS_OS_MAC TRUE)
    set(USER_HOME_DIRECTORY $ENV{HOME})
    message("Building for the Mac operating system.")
endif ()

if (${CMAKE_SYSTEM_PROCESSOR} STREQUAL "AMD64" OR ${CMAKE_SYSTEM_PROCESSOR} STREQUAL "x86_64")
    message("Building for AMD64 architecture.")
    set(IS_ARCH_AMD64 TRUE)
elseif ("${CMAKE_SYSTEM_PROCESSOR}" STREQUAL "ARM64" OR "${CMAKE_SYSTEM_PROCESSOR}" STREQUAL "aarch64")
    message("Building for ARM64 architecture.")
    set(IS_ARCH_ARM64 TRUE)
endif ()

set(CMAKE_CXX_STANDARD 20)

add_executable(Pong
    Levels/Game.h
    Levels/Game.cpp
    Main.cpp
)

find_package(ZLIB REQUIRED)
if (ZLIB_FOUND)
    message(STATUS "ZLIB was found.")
else ()
    message(STATUS "ZLIB was not found.")
endif ()

find_package(OpenSSL REQUIRED)
if (OpenSSL_FOUND)
    message(STATUS "OpenSSL was found.")
else ()
    message(STATUS "OpenSSL was not found.")
endif ()

if (IS_OS_WINDOWS)
    add_compile_definitions(VK_USE_PLATFORM_WIN32_KHR)

    target_include_directories(Pong PUBLIC ${USER_HOME_DIRECTORY}/EHS/include)
    target_include_directories(Pong PUBLIC ${USER_HOME_DIRECTORY}/EHE/include)
    target_include_directories(Pong PUBLIC ${USER_HOME_DIRECTORY}/EHC/include)
    target_include_directories(Pong PUBLIC ${USER_HOME_DIRECTORY}/LWE/include)
    target_include_directories(Pong PUBLIC $ENV{VULKAN_SDK}/include)

    message("VK Include Path: $ENV{VULKAN_SDK}/include")

    target_link_directories(Pong PUBLIC "${USER_HOME_DIRECTORY}/EHS/lib")
    target_link_directories(Pong PUBLIC "${USER_HOME_DIRECTORY}/EHE/lib")
    target_link_directories(Pong PUBLIC "${USER_HOME_DIRECTORY}/EHC/lib")
    target_link_directories(Pong PUBLIC "${USER_HOME_DIRECTORY}/LWE/lib")
    target_link_directories(Pong PUBLIC $ENV{VULKAN_SDK}/lib)

    target_link_libraries(Pong PUBLIC vulkan-1 ws2_32 avrt)

    set(CMAKE_INSTALL_PREFIX "${USER_HOME_DIRECTORY}/LWE")
elseif (IS_OS_LINUX)
    add_compile_definitions(VK_USE_PLATFORM_XCB_KHR EHS_WS_XCB)

    find_package(Vulkan REQUIRED)
    if (Vulkan_FOUND)
        message(STATUS "Vulkan was found.")
    else ()
        message(STATUS "Vulkan was not found.")
    endif ()

    target_include_directories(Pong PRIVATE ${USER_HOME_DIRECTORY}/.local/include)

    target_link_directories(Pong PRIVATE "${USER_HOME_DIRECTORY}/.local/lib")

    target_link_libraries(Pong PRIVATE xcb xcb-cursor xcb-xfixes xcb-xinput asound Vulkan::Headers Vulkan::Vulkan)
endif()

target_link_libraries(Pong PRIVATE LWE EHC EHE EHS OpenSSL::SSL OpenSSL::Crypto ZLIB::ZLIB)