-- ==============================================
-- Extra2D 引擎库共享配置
-- 被主项目和示例共享使用
-- 
-- 窗口后端: GLFW
-- 渲染后端: OpenGL
-- ==============================================

-- 获取当前平台
local function get_current_plat()
    return get_config("plat") or os.host()
end

-- 定义 Extra2D 引擎库目标
function define_extra2d_engine()
    target("extra2d")
        set_kind("static")

        -- 引擎核心源文件
        add_files("Extra2D/src/**.cpp")

        -- GLFW 窗口后端源文件
        add_files("Extra2D/src/platform/glfw/*.cpp")

        -- 头文件路径
        add_includedirs("Extra2D/include", {public = true})
        add_includedirs("Extra2D/include/extra2d/platform", {public = true})

        -- 平台配置
        local plat = get_current_plat()
        
        if plat == "switch" then
            -- Nintendo Switch 平台配置
            local devkitPro = os.getenv("DEVKITPRO") or "C:/devkitPro"
            add_includedirs(devkitPro .. "/portlibs/switch/include", {public = true})
            add_linkdirs(devkitPro .. "/portlibs/switch/lib")
            
            -- GLFW 后端
            add_syslinks("glfw", "nx", "m", {public = true})
        elseif plat == "mingw" or plat == "windows" then
            -- Windows (MinGW) 平台配置
            add_packages("glm", "nlohmann_json", "glfw", "zstd", "lz4", "zlib", {public = true})
            add_syslinks("winmm", "imm32", "version", "setupapi", {public = true})
        elseif plat == "linux" then
            -- Linux 平台配置
            add_packages("glm", "nlohmann_json", "glfw", "zstd", "lz4", "zlib", {public = true})
            add_syslinks("dl", "pthread", {public = true})
        elseif plat == "macosx" then
            -- macOS 平台配置
            add_packages("glm", "nlohmann_json", "glfw", "zstd", "lz4", "zlib", {public = true})
            add_frameworks("Cocoa", "IOKit", "CoreVideo", {public = true})
        end

        -- 启用压缩库
        add_defines("E2D_USE_ZSTD", "E2D_USE_LZ4", "E2D_USE_ZLIB", {public = true})

        -- 编译器标志 (C 和 C++ 共用)
        add_cxflags("-Wall", "-Wextra", {force = true})
        add_cxflags("-Wno-unused-variable", "-Wno-unused-function", "-Wno-unused-parameter", {force = true})
        add_cxflags("-Wno-strict-aliasing", "-Wno-implicit-fallthrough", {force = true})
        add_cxflags("-Wno-missing-field-initializers", {force = true})

        -- C++ 专用编译器标志
        add_cxxflags("-Wno-deprecated-copy", "-Wno-class-memaccess", {force = true})

        if is_mode("debug") then
            add_defines("_DEBUG", {public = true})
            add_cxxflags("-O0", "-g", {force = true})
        else
            add_defines("NDEBUG", {public = true})
            add_cxxflags("-O2", {force = true})
        end
    target_end()
end