target("Frostbite2D")
    set_kind("binary")
    add_files(path.join(os.projectdir(), "Frostbite2D/src/**.cpp"))
    add_files(path.join(os.projectdir(), "Frostbite2D/src/**.c"))
    add_includedirs(path.join(os.projectdir(), "Frostbite2D/include"))
    
    add_files(path.join(os.projectdir(), "Game/src/**.cpp"))
    add_includedirs(path.join(os.projectdir(), "Game/include"))

    -- 检查 DEVKITPRO 环境变量（Windows 上使用 C:/devkitPro）
    local devkitPro = os.getenv("DEVKITPRO") or "L:/Switch/devkitPro"
    local devkitA64 = path.join(devkitPro, "devkitA64")

    -- 设置工具链路径
    set_toolset("cc", path.join(devkitA64, "bin/aarch64-none-elf-gcc.exe"))
    set_toolset("cxx", path.join(devkitA64, "bin/aarch64-none-elf-g++.exe"))
    set_toolset("ld", path.join(devkitA64, "bin/aarch64-none-elf-g++.exe"))
    set_toolset("ar", path.join(devkitA64, "bin/aarch64-none-elf-gcc-ar.exe"))
    set_toolset("strip", path.join(devkitA64, "bin/aarch64-none-elf-strip.exe"))

    -- 架构标志
    local arch_flags = "-march=armv8-a+crc+crypto -mtune=cortex-a57 -fPIE"
    add_cxflags(arch_flags)
    -- 使用 devkitPro 提供的 switch.specs 文件
    add_ldflags("-specs=" .. path.join(devkitPro, "libnx/switch.specs"), "-g", arch_flags)

    -- 定义 Switch 平台宏
    add_defines("__SWITCH__", "__NX__", "MA_SWITCH", "PFD_SWITCH")

    -- SimpleIni 配置：不使用 Windows API
    add_defines("SI_NO_CONVERSION")

    -- libnx 路径 - 必须在工具链级别添加
    add_includedirs(path.join(devkitPro, "libnx/include"))
    add_linkdirs(path.join(devkitPro, "libnx/lib"))

    -- portlibs 路径（EGL + 桌面 OpenGL + SDL2）
    add_includedirs(path.join(devkitPro, "portlibs/switch/include"))
    add_includedirs(path.join(devkitPro, "portlibs/switch/include/SDL2"))
    add_linkdirs(path.join(devkitPro, "portlibs/switch/lib"))

    add_syslinks("SDL2_mixer", "SDL2", "opusfile", "opus", "vorbisidec", "ogg",
                         "modplug", "mpg123", "FLAC", "GLESv2", "EGL", "glapi", "drm_nouveau",
                         {public = true})
    add_syslinks("nx", "m")


    -- 构建后生成 NRO 文件
    -- 复制着色器文件到输出目录
    after_build(function (target)
        local elf_file = target:targetfile()
        local output_dir = path.directory(elf_file)
        local nacp_file = path.join(output_dir, "hello_world.nacp")
        local nro_file = path.join(output_dir, "hello_world.nro")
        local nacptool = path.join(devkitPro, "tools/bin/nacptool.exe")
        local elf2nro = path.join(devkitPro, "tools/bin/elf2nro.exe")
        local icon_file = path.join(os.projectdir(), "assets/icons/icon.bmp")

        if os.isfile(nacptool) and os.isfile(elf2nro) then
            os.vrunv(nacptool, {"--create", "Hello World", "Frostbite2D Team", "1.0.0", nacp_file})
            local romfs = path.join(example_dir, "romfs")
            local icon_param = os.isfile(icon_file) and ("--icon=" .. icon_file) or ""
            if os.isdir(romfs) then
                os.vrunv(elf2nro, {elf_file, nro_file, "--nacp=" .. nacp_file, icon_param, "--romfsdir=" .. romfs})
            else
                os.vrunv(elf2nro, {elf_file, nro_file, "--nacp=" .. nacp_file, icon_param})
            end
            print("Generated NRO: " .. nro_file)
        end

        -- 复制 shaders 目录
        local shaders_dir = path.join(os.projectdir(), "Game/shaders")
        local target_shaders_dir = path.join(output_dir, "shaders")

        if os.isdir(shaders_dir) then
            -- 确保目标目录存在
            if not os.isdir(target_shaders_dir) then
                os.mkdir(target_shaders_dir)
            end

            -- 复制所有着色器文件
            for _, file in ipairs(os.files(path.join(shaders_dir, "*.*"))) do
                local filename = path.filename(file)
                local target_file = path.join(target_shaders_dir, filename)
                os.cp(file, target_file)
                print("Copy shader: " .. filename)
            end
        end
    end)
target_end()