#pragma once

#include <optional>
#include <td/protocol/command/Commands.h>
#include <td/protocol/packet/Packets.h>

namespace td {
namespace game {

class GameHistory {
  private:
	using HistorySizeType = std::uint16_t;

	std::vector<std::optional<protocol::LockStep>> m_History;
	
	HistorySizeType m_Cursor;

  public:
	GameHistory();

	void SetLockStep(HistorySizeType a_Index, protocol::LockStep&& a_LockStep);

	const protocol::LockStep& GetLockStep(HistorySizeType a_Index) const;

	bool HasLockStep(HistorySizeType a_Index) const;

	const protocol::LockStep& GetNextStep();

	bool HasNextStep() const;

	void FromPacket(td::protocol::pdata::LockSteps&& a_Steps);

	td::protocol::packets::LockSteps ToPacket(HistorySizeType a_StartIndex);
};

}  // namespace game
}  // namespace td