#pragma once

#include <expected>
#include <cstdint>
#include <functional>
#include <memory>
#include <optional>
#include <string>

#include <boost/asio/any_io_executor.hpp>

#include <luma.hpp>
#include <modulus.hpp>

#include <vamp_protocol/page_control.hpp>
#include <vamp_zero/config.hpp>
#include <vamp_zero/types.hpp>
#include <vamp_zero/menu.hpp>

namespace vamp_zero {

struct ui_runtime;

class score_loader;

class zero_ui {
public:
  zero_ui(boost::asio::any_io_executor executor, luma::application_config config, vamp_zero::database_config database, std::string assets_path, std::function<void(vamp_protocol::page_command)> command_handler = {}, std::function<void(vamp_zero::menu_action)> menu_handler = {}, std::optional<boost::asio::any_io_executor> score_worker = {});
  ~zero_ui();
  zero_ui(zero_ui const &) = delete;
  auto operator=(zero_ui const &) -> zero_ui & = delete;
  auto run() -> std::expected<void, modulus::error>;
  auto stop() -> void;
  auto publish(vamp_zero::app_state state) -> std::expected<void, modulus::error>;
  auto selected_score_loader() const -> std::shared_ptr<vamp_zero::score_loader>;
private:
  std::shared_ptr<luma::application> application_;
  std::shared_ptr<vamp_zero::ui_runtime> runtime_;
  std::shared_ptr<vamp_zero::score_loader> score_loader_;
};

}