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

        src/database/DVar.cpp include/ehs/database/DVar.h

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

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

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

        include/ehs/io/socket/Utils.h
        src/io/socket/Request.cpp include/ehs/io/socket/Request.h
        src/io/socket/Response.cpp include/ehs/io/socket/Response.h
        src/io/socket/DNS.cpp include/ehs/io/socket/DNS.h
        src/io/socket/BaseUDP.cpp include/ehs/io/socket/BaseUDP.h
        src/io/socket/BaseTCP.cpp include/ehs/io/socket/BaseTCP.h
        src/io/socket/Comms.cpp include/ehs/io/socket/Comms.h
        src/io/socket/CommsSystem.cpp include/ehs/io/socket/CommsSystem.h
        src/io/socket/Operation.cpp include/ehs/io/socket/Operation.h
        src/io/socket/Fragments.cpp include/ehs/io/socket/Fragments.h
        src/io/socket/Endpoint.cpp include/ehs/io/socket/Endpoint.h
        src/io/socket/SSL.cpp include/ehs/io/socket/SSL.h

        src/io/socket/rest/Twitch.cpp include/ehs/io/socket/rest/Twitch.h
        src/io/socket/rest/TwitchChat.cpp include/ehs/io/socket/rest/TwitchChat.h
        src/io/socket/rest/Spotify.cpp include/ehs/io/socket/rest/Spotify.h
        include/ehs/io/socket/Socket.h
        include/ehs/io/socket/TCP.h
        include/ehs/io/socket/UDP.h
        include/ehs/io/socket/Utils.h

        src/io/audio/Audio.cpp include/ehs/io/audio/Audio.h
        src/io/audio/BaseAudioDevice.cpp include/ehs/io/audio/BaseAudioDevice.h
        src/io/audio/AudioCodec.cpp include/ehs/io/audio/AudioCodec.h
        include/ehs/io/audio/AudioDevice.h

        src/io/img/PNG.cpp include/ehs/io/img/PNG.h
        src/io/img/Img.cpp include/ehs/io/img/Img.h
        src/io/img/PNG_Chunk.cpp include/ehs/io/img/PNG_Chunk.h
        src/io/img/ImgCodec.cpp include/ehs/io/img/ImgCodec.h

        include/ehs/io/model/Vertex.h
        src/io/model/Mesh.cpp include/ehs/io/model/Mesh.h
        src/io/model/Bone.cpp include/ehs/io/model/Bone.h
        src/io/model/Model.cpp include/ehs/io/model/Model.h
        src/io/model/Animation.cpp include/ehs/io/model/Animation.h
        src/io/model/AnimBone.cpp include/ehs/io/model/AnimBone.h
        src/io/model/KeyFrame.cpp include/ehs/io/model/KeyFrame.h
        src/io/model/PropertyChange.cpp include/ehs/io/model/PropertyChange.h

        src/io/hid/ButtonState.cpp include/ehs/io/hid/ButtonState.h
        src/io/hid/Button.cpp include/ehs/io/hid/Button.h
        src/io/hid/Mouse.cpp include/ehs/io/hid/Mouse.h
        src/io/hid/Keyboard.cpp include/ehs/io/hid/Keyboard.h
        src/io/hid/HID.cpp include/ehs/io/hid/HID.h
        src/io/hid/InputHandler.cpp include/ehs/io/hid/InputHandler.h
        src/io/hid/Input.cpp include/ehs/io/hid/Input.h
)

if (IS_OS_WINDOWS)
    list(APPEND EHS_SOURCES
            src/io/socket/UDP_W32.cpp include/ehs/io/socket/UDP_W32.h
            src/io/socket/TCP_W32.cpp include/ehs/io/socket/TCP_W32.h
            src/system/Semaphore_W32.cpp include/ehs/system/Semaphore_W32.h
            src/system/System_W32.cpp include/ehs/system/System_W32.h
            src/system/Mutex_W32.cpp include/ehs/system/Mutex_W32.h
            src/system/Open_W32.cpp include/ehs/system/Open_W32.h
            src/io/audio/audioDevice_W32.cpp include/ehs/io/audio/audioDevice_W32.h
            src/io/MsgBox.cpp include/ehs/io/MsgBox.h
            src/io/File_W32.cpp include/ehs/io/File_W32.h
            src/io/FileMonitor_W32.cpp include/ehs/io/FileMonitor_W32.h
            src/io/Window_W32.cpp include/ehs/io/Window_W32.h
            src/io/COM.cpp include/ehs/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/ehs/io/socket/UDP_BSD.h
            src/io/socket/TCP_BSD.cpp include/ehs/io/socket/TCP_BSD.h
            src/system/Semaphore_P.cpp include/ehs/system/Semaphore_P.h
            src/system/System_LNX.cpp include/ehs/system/System_LNX.h
            src/system/Open_UNX.cpp include/ehs/system/Open_UNX.h
            src/io/File_UNX.cpp include/ehs/io/File_UNX.h
            src/io/FileMonitor_UNX.cpp include/ehs/io/FileMonitor_UNX.h
            src/system/Mutex_PT.cpp include/ehs/system/Mutex_PT.h
            src/io/audio/AudioDevice_ALSA.cpp include/ehs/io/audio/AudioDevice_ALSA.h
            src/system/FileSystem.cpp include/ehs/system/FileSystem.h
            src/system/User.cpp include/ehs/system/User.h
    )

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

    if (LINUX_WINDOW_SYSTEM STREQUAL "Wayland")
        add_compile_definitions(EHS_WS_WAYLAND)
        list(APPEND EHS_SOURCES src/io/xdg-shell-protocol.c include/ehs/io/xdg-shell-client-protocol.h src/io/Window_Way.cpp include/ehs/io/Window_Way.h)
        message("Building for Wayland.")
    elseif (LINUX_WINDOW_SYSTEM STREQUAL "XCB")
        add_compile_definitions(EHS_WS_XCB)
        list(APPEND EHS_SOURCES src/io/Window_XCB.cpp include/ehs/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)

target_include_directories(EHS PUBLIC ${PROJECT_SOURCE_DIR}/include)
target_include_directories(StrToHash PUBLIC ${PROJECT_SOURCE_DIR}/include)

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)
    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 EHS)
    elseif (IS_OS_LINUX)
        target_link_directories(StrToHash PRIVATE ${PROJECT_SOURCE_DIR})

        target_link_libraries(StrToHash z xcb xcb-cursor xcb-xfixes xcb-xinput wayland-client z asound EHS)
    endif ()
endif ()