cmake_minimum_required(VERSION 3.18.4)

set(IS_OS_WINDOWS FALSE)
set(IS_OS_LINUX FALSE)
set(IS_OS_MAC FALSE)

set(IS_ARCH_AMD64 FALSE)
set(IS_ARCH_X86 FALSE)
set(IS_ARCH_ARM64 FALSE)
set(IS_ARCH_ARM FALSE)

project(EHS CXX C)

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")
    set(IS_ARCH_AMD64 TRUE)
    enable_language(ASM_NASM)
    message("Building for the AMD64 architecture.")
elseif ("${CMAKE_SYSTEM_PROCESSOR}" STREQUAL "arm64" OR "${CMAKE_SYSTEM_PROCESSOR}" STREQUAL "aarch64")
    set(IS_ARCH_ARM64 TRUE)
    enable_language(ASM)
    message("Building for the ARM64 architecture.")
endif ()

set(CMAKE_CXX_STANDARD 20)

set(EHS_SOURCES
        src/EHS.cpp include/EHS.h
        src/Type.cpp include/Type.h
        src/BaseObj.cpp include/BaseObj.h
        src/GarbageCollector.cpp include/GarbageCollector.h
        src/Log.cpp include/Log.h
        src/URI.cpp include/URI.h
        src/Math.cpp include/Math.h
        src/Color4.cpp include/Color4.h
        src/Color3.cpp include/Color3.h
        src/Version.cpp include/Version.h
        src/Base64.cpp include/Base64.h
        src/Data.cpp include/Data.h
        src/Range.cpp include/Range.h
        src/Util.cpp include/Util.h
        src/Task.cpp include/Task.h
        src/DataType.cpp include/DataType.h
        src/Encryption.cpp include/Encryption.h
        include/Anchor.h
        include/Dock.h
        include/HashMap.h
        include/HRNG.h
        include/Link.h
        include/LinkedList.h
        include/Mat2.h
        include/Mat3.h
        include/Mat4.h
        include/PRNG.h
        include/Quat.h
        include/Rect.h
        include/Str.h
        include/Types.h
        include/UTF.h
        include/Vec2.h
        include/Vec3.h
        include/Vec4.h
        include/Serializer.h
        include/Array.h
        include/Vector.h
        include/SArray.h
        src/PtrData.cpp include/PtrData.h
        include/UniPtr.h
        include/ShdPtr.h
        include/WkPtr.h

        src/Database/DVar.cpp include/Database/DVar.h

        src/System/CPU.cpp include/System/CPU.h
        src/System/Thread.cpp include/System/Thread.h
        src/System/BaseMutex.cpp include/System/BaseMutex.h
        src/System/BaseSemaphore.cpp include/System/BaseSemaphore.h
        src/System/BaseSystem.cpp include/System/BaseSystem.h
        src/System/BaseOpen.cpp include/System/BaseOpen.h
        include/System/Architecture.h
        include/System/Mutex.h
        include/System/Open.h
        include/System/OS.h
        include/System/Semaphore.h
        include/System/System.h

        src/Json/Json.cpp include/Json/Json.h
        src/Json/JsonBase.cpp include/Json/JsonBase.h
        src/Json/JsonNum.cpp include/Json/JsonNum.h
        src/Json/JsonBool.cpp include/Json/JsonBool.h
        src/Json/JsonStr.cpp include/Json/JsonStr.h
        src/Json/JsonObj.cpp include/Json/JsonObj.h
        src/Json/JsonArray.cpp include/Json/JsonArray.h
        src/Json/JsonVar.cpp include/Json/JsonVar.h

        src/IO/Console.cpp include/IO/Console.h
        src/IO/RIFF_Chunk.cpp include/IO/RIFF_Chunk.h
        src/IO/RIFF.cpp include/IO/RIFF.h
        src/IO/BaseWindow.cpp include/IO/BaseWindow.h
        src/IO/BaseFile.cpp include/IO/BaseFile.h
        src/IO/Glyph.cpp include/IO/Glyph.h
        src/IO/FontAtlas.cpp include/IO/FontAtlas.h
        src/IO/BaseFileMonitor.cpp include/IO/BaseFileMonitor.h
        include/IO/COM.h
        include/IO/File.h
        include/IO/FileMonitor.h
        include/IO/Window.h

        src/IO/Socket/Request.cpp include/IO/Socket/Request.h
        src/IO/Socket/Response.cpp include/IO/Socket/Response.h
        src/IO/Socket/DNS.cpp include/IO/Socket/DNS.h
        src/IO/Socket/BaseUDP.cpp include/IO/Socket/BaseUDP.h
        src/IO/Socket/BaseTCP.cpp include/IO/Socket/BaseTCP.h
        src/IO/Socket/Comms.cpp include/IO/Socket/Comms.h
        src/IO/Socket/CommsSystem.cpp include/IO/Socket/CommsSystem.h
        src/IO/Socket/Operation.cpp include/IO/Socket/Operation.h
        src/IO/Socket/Fragments.cpp include/IO/Socket/Fragments.h
        src/IO/Socket/Endpoint.cpp include/IO/Socket/Endpoint.h
        src/IO/Socket/SSL.cpp include/IO/Socket/SSL.h

        src/IO/Socket/RestAPIs/Twitch.cpp include/IO/Socket/RestAPIs/Twitch.h
        src/IO/Socket/RestAPIs/TwitchChat.cpp include/IO/Socket/RestAPIs/TwitchChat.h
        src/IO/Socket/RestAPIs/Spotify.cpp include/IO/Socket/RestAPIs/Spotify.h
        include/IO/Socket/Socket.h
        include/IO/Socket/TCP.h
        include/IO/Socket/UDP.h
        include/IO/Socket/Utils.h

        src/IO/Audio/Audio.cpp include/IO/Audio/Audio.h
        src/IO/Audio/BaseAudioDevice.cpp include/IO/Audio/BaseAudioDevice.h
        src/IO/Audio/AudioCodec.cpp include/IO/Audio/AudioCodec.h
        include/IO/Audio/AudioDevice.h

        src/IO/Img/PNG.cpp include/IO/Img/PNG.h
        src/IO/Img/Img.cpp include/IO/Img/Img.h
        src/IO/Img/PNG_Chunk.cpp include/IO/Img/PNG_Chunk.h
        src/IO/Img/ImgCodec.cpp include/IO/Img/ImgCodec.h

        include/IO/Model/Vertex.h
        src/IO/Model/Mesh.cpp include/IO/Model/Mesh.h
        src/IO/Model/Bone.cpp include/IO/Model/Bone.h
        src/IO/Model/Model.cpp include/IO/Model/Model.h
        src/IO/Model/Animation.cpp include/IO/Model/Animation.h
        src/IO/Model/AnimBone.cpp include/IO/Model/AnimBone.h
        src/IO/Model/KeyFrame.cpp include/IO/Model/KeyFrame.h
        src/IO/Model/PropertyChange.cpp include/IO/Model/PropertyChange.h

        src/IO/HID/ButtonState.cpp include/IO/HID/ButtonState.h
        src/IO/HID/Button.cpp include/IO/HID/Button.h
        src/IO/HID/Mouse.cpp include/IO/HID/Mouse.h
        src/IO/HID/Keyboard.cpp include/IO/HID/Keyboard.h
        src/IO/HID/HID.cpp include/IO/HID/HID.h
        src/IO/HID/InputHandler.cpp include/IO/HID/InputHandler.h
        src/IO/HID/Input.cpp include/IO/HID/Input.h
)

if (IS_OS_WINDOWS)
    list(APPEND EHS_SOURCES
            src/IO/Socket/UDP_W32.cpp include/IO/Socket/UDP_W32.h
            src/IO/Socket/TCP_W32.cpp include/IO/Socket/TCP_W32.h
            src/System/Semaphore_W32.cpp include/System/Semaphore_W32.h
            src/System/System_W32.cpp include/System/System_W32.h
            src/System/Mutex_W32.cpp include/System/Mutex_W32.h
            src/System/Open_W32.cpp include/System/Open_W32.h
            src/IO/Audio/AudioDevice_W32.cpp include/IO/Audio/AudioDevice_W32.h
            src/IO/MsgBox.cpp include/IO/MsgBox.h
            src/IO/File_W32.cpp include/IO/File_W32.h
            src/IO/FileMonitor_W32.cpp include/IO/FileMonitor_W32.h
            src/IO/Window_W32.cpp include/IO/Window_W32.h
            src/IO/COM.cpp include/IO/COM.h
            src/System/CPU_MSVC_AMD64.asm src/HRNG_MSVC.asm src/Math_MSVC_AMD64.asm
    )
elseif (IS_OS_LINUX)
    list(APPEND EHS_SOURCES
            src/IO/Socket/UDP_BSD.cpp include/IO/Socket/UDP_BSD.h
            src/IO/Socket/TCP_BSD.cpp include/IO/Socket/TCP_BSD.h
            src/System/Semaphore_P.cpp include/System/Semaphore_P.h
            src/System/System_LNX.cpp include/System/System_LNX.h
            src/System/Open_UNX.cpp include/System/Open_UNX.h
            src/IO/File_UNX.cpp include/IO/File_UNX.h
            src/IO/FileMonitor_UNX.cpp include/IO/FileMonitor_UNX.h
            src/System/Mutex_PT.cpp include/System/Mutex_PT.h
            src/IO/Audio/AudioDevice_ALSA.cpp include/IO/Audio/AudioDevice_ALSA.h
            src/System/FileSystem.cpp include/System/FileSystem.h
            src/System/User.cpp include/System/User.h
    )

    set(LINUX_WINDOW_SYSTEM "Wayland" CACHE STRING "Linux Window System")

    if (LINUX_WINDOW_SYSTEM STREQUAL "Wayland")
        add_compile_definitions(LWE_WS_WAYLAND)
        list(APPEND EHS_SOURCES src/IO/xdg-shell-protocol.c include/IO/xdg-shell-client-protocol.h src/IO/Window_Way.cpp include/IO/Window_Way.h)
        message("Building for Wayland.")
    elseif (LINUX_WINDOW_SYSTEM STREQUAL "XCB")
        add_compile_definitions(LWE_WS_XCB)
        list(APPEND EHS_SOURCES src/IO/Window_XCB.cpp include/IO/Window_XCB.h)
        message("Building for XCB.")
    endif ()

    if (IS_ARCH_AMD64)
        list(APPEND EHS_SOURCES src/System/CPU_GCC_AMD64.asm src/HRNG_GCC.asm src/Math_GCC_AMD64.asm)
    elseif (IS_ARCH_ARM64)
        list(APPEND EHS_SOURCES src/System/CPU_ARM64.cpp src/HRNG_ARM64.cpp src/Math_GCC_ARM64.s)
    endif ()
endif()

#set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fPIC")
#message("${CMAKE_CXX_FLAGS}")

add_library(EHS ${EHS_SOURCES})

add_executable(StrToHash src/StrToHash.cpp)

set(CMAKE_INSTALL_PREFIX "${USER_HOME_DIRECTORY}/Libraries/EHS")
install(TARGETS EHS DESTINATION lib)

install(DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/include/ DESTINATION include)

install(TARGETS StrToHash DESTINATION bin)

if (IS_ARCH_AMD64)
    target_include_directories(EHS PUBLIC "${PROJECT_SOURCE_DIR}/../Libraries/include")
    target_include_directories(EHS PUBLIC "${PROJECT_SOURCE_DIR}/../Libraries/include/zlib")

    target_link_directories(StrToHash PUBLIC "${PROJECT_SOURCE_DIR}/../Libraries/x64")

    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 ()

    target_link_libraries(EHS OpenSSL::SSL OpenSSL::Crypto ZLIB::ZLIB)

    if (IS_OS_WINDOWS)
        target_link_libraries(StrToHash ws2_32 avrt LWE)
    elseif (IS_OS_LINUX)
        #add_compile_definitions(LWE_WOOTING)

        target_link_libraries(StrToHash z xcb xcb-cursor xcb-xfixes xcb-xinput wayland-client z asound EHS)
    endif ()
elseif (IS_ARCH_ARM64)
    target_include_directories(LWE PRIVATE "~/vulkan/1.3.261.1/aarch64/include")
endif ()