-- MinGW 编译配置
set_toolchains("mingw")

add_requires("libsdl2", {configs = {shared = true}})
add_requires("glm")

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"))

    add_packages("libsdl2")
    add_packages("glm")

    -- 复制着色器文件到输出目录
    after_build(function (target)
        -- 复制 shaders 目录
        local shaders_dir = path.join(os.projectdir(), "Game/shaders")
        local output_dir = target:targetdir()
        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

        -- 复制 SDL2 DLL (Windows 平台)
        if is_plat("mingw") or is_plat("windows") then
            local sdl2_lib = target:pkg("libsdl2")
            if sdl2_lib then
                local libfiles = sdl2_lib:get("libfiles")
                if libfiles then
                    for _, libfile in ipairs(libfiles) do
                        -- 查找 DLL 文件
                        if libfile:endswith(".dll") then
                            local target_dll = path.join(output_dir, path.filename(libfile))
                            os.cp(libfile, target_dll)
                            print("Copy DLL: " .. path.filename(libfile))
                        end
                    end
                end
            end

            -- 尝试从 xmake 包目录复制 SDL2.dll
            local sdl2_dll_paths = {
                path.join(os.getenv("USERPROFILE") or "", ".xmake/packages/l/libsdl2/**/bin/SDL2.dll"),
                path.join(os.getenv("USERPROFILE") or "", ".xmake/packages/l/libsdl2/**/lib/SDL2.dll"),
            }

            for _, dll_pattern in ipairs(sdl2_dll_paths) do
                local dll_files = os.files(dll_pattern)
                for _, dll_file in ipairs(dll_files) do
                    local target_dll = path.join(output_dir, "SDL2.dll")
                    if not os.isfile(target_dll) then
                        os.cp(dll_file, target_dll)
                        print("Copy SDL2.dll from: " .. dll_file)
                    end
                end
            end
        end
    end)
target_end()