package("llhttp")
    set_homepage("https://github.com/nodejs/llhttp")
    add_configs("build_patch", {description = "Internal cache-buster for local llhttp packaging changes", default = "1", type = "string"})
    set_description("Port of http_parser to llparse")
    set_license("MIT")

    add_urls("https://github.com/nodejs/llhttp/archive/refs/tags/release/$(version).tar.gz",
             "https://github.com/nodejs/llhttp.git")

    add_versions("v9.3.1", "c14a93f287d3dbd6580d08af968294f8bcc61e1e1e3c34301549d00f3cf09365")
    add_versions("v9.3.0", "1a2b45cb8dda7082b307d336607023aa65549d6f060da1d246b1313da22b685a")
    add_versions("v9.2.1", "3c163891446e529604b590f9ad097b2e98b5ef7e4d3ddcf1cf98b62ca668f23e")
    add_versions("v8.1.0", "9da0d23453e8e242cf3b2bc5d6fb70b1517b8a70520065fcbad6be787e86638e")
    add_versions("v3.0.0", "02931556e69f8d075edb5896127099e70a093c104a994a57b4d72c85b48d25b0")

    on_install(function (package)
        -- Touch the package hash with a no-op config so local packaging changes can
        -- force rebuilds even when the upstream llhttp version stays the same.
        local _BuildPatch = package:config("build_patch")
        io.replace("include/llhttp.h", "__wasm__", "__GNUC__", {plain = true})
        io.replace("include/llhttp.h", "_WIN32", "_MSC_VER", {plain = true})
        if not package:config("shared") then
            io.replace("include/llhttp.h", "__declspec(dllexport)", "", {plain = true})
        end

        io.writefile("xmake.lua", [[
            add_rules("mode.debug", "mode.release")

            target("llhttp")
                set_kind("$(kind)")
                add_files("src/*.c")
                add_includedirs("include")
                add_headerfiles("include/llhttp.h")
                set_symbols("debug")

                -- On Windows/MSVC, use embedded CodeView info for static builds so
                -- symbolized release/debug callstacks do not depend on a separate
                -- compiler PDB produced during package compilation.
                if is_plat("windows") and not is_kind("shared") then
                    add_cflags("/Z7", {force = true})
                end

                if is_plat("cross") then
                    add_cflags("-flax-vector-conversions")
                end

                if is_kind("shared") and is_plat("windows") then
                    local funcs = {
                        "llhttp_init",
                        "llhttp_settings_init",
                        "llhttp_execute",
                        "llhttp_finish",
                        "llhttp_message_needs_eof",
                        "llhttp_should_keep_alive",
                        "llhttp_pause",
                        "llhttp_resume",
                        "llhttp_resume_after_upgrade",
                        "llhttp_get_errno",
                        "llhttp_get_error_reason",
                        "llhttp_set_error_reason",
                        "llhttp_get_error_pos",
                        "llhttp_errno_name",
                        "llhttp_method_name",
                        "llhttp_set_lenient_headers",
                        "llhttp_set_lenient_chunked_length"
                    }
                    for _, func in ipairs(funcs) do
                        add_shflags("/export:" .. func)
                    end
                end
        ]])

        local configs = {}
        if package:config("shared") then
            configs.kind = "shared"
        end
        import("package.tools.xmake").install(package, configs)

        if package:config("shared") then
            io.replace(package:installdir("include/llhttp.h"), "__declspec(dllexport)", "__declspec(dllimport)", {plain = true})
        end
    end)

    on_test(function (package)
        assert(package:has_cfuncs("llhttp_init", {includes = "llhttp.h"}))
    end)