package("v8")
    set_homepage("https://chromium.googlesource.com/v8/v8.git")
    set_description("V8 JavaScript Engine")

    add_urls("https://github.com/v8/v8.git")
    add_versions("10.0.58", "d75903764c8547b6fc35c7a3fe4991320be03135")

    add_deps("depot_tools")

    if is_plat("linux", "bsd") then
        add_syslinks("pthread", "dl")
    elseif is_plat("windows") then
        add_syslinks("user32", "winmm", "advapi32", "dbghelp", "shlwapi")
        add_configs("vs_runtime", {description = "Set vs runtime.", default = "MT", readonly = true})
    end

    add_links("v8_monolith",
              "v8_initializers",
              "v8_init",
              "v8_compiler",
              "v8_compiler_opt",
              "v8_cppgc_shared",
              "v8_bigint",
              "v8_snapshot",
              "v8_base_without_compiler",
              "v8_libplatform",
              "v8_libbase",
              "torque_base",
              "torque_generated_definitions",
              "cppgc_base",
              "torque_ls_base")

    on_install("linux", "macosx", "windows", function (package)
        import("core.base.global")

        -- maybe we need set proxy, e.g. `xmake g --proxy=http://127.0.0.1:xxxx`
        local envs = {}
        local proxy = global.get("proxy")
        if proxy then
            envs.HTTP_PROXY = proxy
            envs.HTTPS_PROXY = proxy
            envs.ALL_PROXY = proxy
        end
        io.writefile(".gclient", [=[solutions = [
  {
    "name": ".",
    "url": "https://github.com/v8/v8.git",
    "deps_file": "DEPS",
    "managed": False,
    "custom_deps": {},
  }]]=])
        if package:is_plat("windows") then
            envs.DEPOT_TOOLS_WIN_TOOLCAHIN = "0"
        end
        local gclient = is_host("windows") and "gclient.bat" or "gclient"
        os.vrunv(gclient, {"sync", "-v"}, {envs = envs})
        local configs = {
            is_official_build = false,
            is_component_build = false,
            is_debug = package:debug(),
            is_shared_library = package:config("shared"),
            symbol_level = 0,
            treat_warnings_as_errors = false,
            use_custom_libcxx = false,
            v8_static_library = not package:config("shared"),
            v8_monolithic = true,
            v8_use_external_startup_data = false,
            v8_enable_test_features = false,
            v8_enable_i18n_support = false}

        if package:is_plat("windows") then
            configs.extra_cflags = {(package:config("vs_runtime"):startswith("MT") and "/MT" or "/MD")}
            configs.is_clang = false 
        end
        import("package.tools.gn").build(package, configs, {buildir = "out.gn"})
        os.cp("include", package:installdir())
        os.trycp("out.gn/obj/*.a", package:installdir("lib"))
        os.trycp("out.gn/obj/*.lib", package:installdir("lib"))
        os.trycp("out.gn/obj/*.dll", package:installdir("bin"))
    end)

    on_test(function (package)
        assert(package:has_cxxfuncs("v8::V8::InitializePlatform(0)", {configs = {languages = "c++17"}, includes = "v8.h"}))
    end)