#include "controllers/controllermanager.h"

#include <map>

#include <memory>

#include <string>

#include <utility>

#include <vector>

namespace mahjong {

class PlayerController;

std::vector<std::string> ControllerManager::GetAvailableControllers() {

  std::vector<std::string> names;

  names.reserve(available_controllers_.size());

  for (const auto& [name, _] : available_controllers_) {

    names.push_back(name);

  }

  return names;

}

std::unique_ptr<mahjong::PlayerController> ControllerManager::NewController(

    const std::string& controller) {

  if (available_controllers_.contains(controller)) {

    return available_controllers_[controller]();

  }

  throw "No Such Controller";

}

bool ControllerManager::RegisterController(newControllerInst newFunc,

                                           const std::string& name) {

  if (available_controllers_.contains(name)) {

    return false;

  }

  available_controllers_[name] = std::move(newFunc);

  return true;

}

}  // namespace mahjong