#pragma once
#include "runtime/Gallery_Runtime.hpp"
#include <scene.hpp>
#include <nlohmann/json.hpp>
#include <cstdint>
#include <memory>
#include <string>
#include <string_view>

namespace aethera::mcp {

struct Gallery_Output {
    std::uint32_t width{720};
    std::uint32_t height{420};
    web::Gallery_Frame_Publisher publish{};
};

enum struct Tool_Call_Result : std::uint8_t {
    ok,
    unknown_tool,
    invalid_arguments,
    unknown_plot,
    rejected
};

struct Tool_Call_Output {
    Tool_Call_Result result{Tool_Call_Result::ok};            /* 调用的已知业务结果。 */
    nlohmann::json content{};                                /* 成功值或结构化错误细节。 */
    std::string message{};                                   /* 供协议适配器显示的简短说明。 */
};

struct Control_Service final {
    static std::shared_ptr<Control_Service> create(
        Gallery_Output output = {});
    ~Control_Service();
    Control_Service(const Control_Service&) = delete;
    Control_Service& operator=(const Control_Service&) = delete;

    [[nodiscard]] bool contains_plot(std::string_view id) const noexcept;
    void submit_input(std::string_view id, Scene::Event_Pointer event);
    void request_frame(std::string_view id, Frame_Request request);
    void submit_publication_feedback(
        std::string_view id, Frame_Publication_Feedback feedback) noexcept;
    [[nodiscard]] nlohmann::json plot_schema(std::string_view id) const;
    [[nodiscard]] nlohmann::json write_plot_property(
        std::string_view id, std::string_view component,
        std::string_view key, const nlohmann::json& value);
    [[nodiscard]] nlohmann::json plot_component_state(
        std::string_view id, std::string_view component) const;
    [[nodiscard]] nlohmann::json generate_plot_data(
        std::string_view id, const nlohmann::json& input);
    [[nodiscard]] nlohmann::json plot_diagnostics(std::string_view id) const;
    void reset_plot_diagnostics(std::string_view id);
    void request_plot_taskflow_trace(
        std::string_view id, std::size_t frame_count);
    [[nodiscard]] nlohmann::json plot_taskflow_trace(
        std::string_view id) const;
    [[nodiscard]] nlohmann::json plot_catalog() const;
    [[nodiscard]] nlohmann::json tool_catalog() const;
    [[nodiscard]] Tool_Call_Output call_tool(
        std::string_view name, const nlohmann::json& arguments);

private:
    explicit Control_Service(Gallery_Output output);
    struct Private;
    std::unique_ptr<Private> d;
};

}