#SET 与 ACTION

struct SetAttribute {
    model::Oad attribute;
    model::Data value;
};

struct SetResult {
    model::Oad attribute;
    std::uint8_t dar = 0;
};

struct SetRequest {
    std::uint8_t piid = 0;
    bool list = false;
    std::vector<SetAttribute> attributes;
    std::optional<TimeTag> time_tag;
};

struct SetResponse {
    std::uint8_t piid_acd = 0;
    bool list = false;
    std::vector<SetResult> attributes;
    std::optional<TimeTag> time_tag;
};

dlt698::protocol::apdu::SetRequest request{
    /*piid=*/1, /*list=*/false, {{ {0x2000, 2, 0}, dlt698::model::UInt16{25} }},
    /*time_tag=*/std::nullopt};
auto bytes = dlt698::protocol::apdu::encode_mutation(request);

struct ActionMethod {
    model::Omd method;
    model::Data parameter;
};

struct ActionResult {
    model::Omd method;
    std::uint8_t dar = 0;
    std::optional<model::Data> data;   ///< 存在 NULL Data 与没有返回数据是不同结果
};

struct ActionRequest {
    std::uint8_t piid = 0;
    bool list = false;
    std::vector<ActionMethod> methods;
    std::optional<TimeTag> time_tag;
};

struct ActionResponse {
    std::uint8_t piid_acd = 0;
    bool list = false;
    std::vector<ActionResult> methods;
    std::optional<TimeTag> time_tag;
};

using MutationApdu = std::variant<SetRequest, SetResponse, ActionRequest, ActionResponse>;

Result<MutationApdu> decode_mutation(ByteView bytes, const Limits& limits = {});
Result<Bytes> encode_mutation(const MutationApdu& message, const Limits& limits = {});