/*----------------------------------------------------------------------------*/
/* Copyright (c) FIRST 2011-2016. All Rights Reserved.                        */
/* Open Source Software - may be modified and shared by FRC teams. The code   */
/* must be accompanied by the FIRST BSD license file in the root directory of */
/* the project.                                                               */
/*----------------------------------------------------------------------------*/

#pragma once

#include <map>
#include <memory>
#include <string>
#include "SmartDashboard/Sendable.h"
#include "tables/ITable.h"

/**
 * The {@link SendableChooser} class is a useful tool for presenting a selection
 * of options to the {@link SmartDashboard}.
 *
 * <p>For instance, you may wish to be able to select between multiple
 * autonomous modes. You can do this by putting every possible {@link Command}
 * you want to run as an autonomous into a {@link SendableChooser} and then put
 * it into the {@link SmartDashboard} to have a list of options appear on the
 * laptop.  Once autonomous starts, simply ask the {@link SendableChooser} what
 * the selected value is.</p>
 *
 * @see SmartDashboard
 */
class SendableChooser : public Sendable {
 public:
  virtual ~SendableChooser() = default;

  void AddObject(const std::string& name, void* object);
  void AddDefault(const std::string& name, void* object);
  void* GetSelected();

  void InitTable(std::shared_ptr<ITable> subtable) override;
  std::shared_ptr<ITable> GetTable() const override;
  std::string GetSmartDashboardType() const override;

 private:
  std::string m_defaultChoice;
  std::map<std::string, void*> m_choices;
  std::shared_ptr<ITable> m_table;
};