#pragma once

#include "DI/auto_wirable.hpp"
#include "interfaces/command.hpp"
#include "interfaces/input.hpp"
#include "interfaces/observable.hpp"

#include <limits>
#include <memory>
#include <termios.h>
#include <unordered_map>
#include <vector>

class InputHandler : public IInputHandler, public AutoWirable<IInputHandler, InputHandler>
{
public:
	InputHandler() noexcept = default;

	void listen() const noexcept override;

	void attach(const char &key,
				const std::shared_ptr<ICommand> &command) noexcept override;

	void notify(const char &key) const noexcept override;

	void enter_raw_mode() noexcept override;

	void leave_raw_mode() noexcept override;

private:
	std::array<std::vector<std::shared_ptr<ICommand>>, CHAR_MAX> _key_commands;

	std::shared_ptr<termios> _original_termios = nullptr;

	using _KeyCommandsSizeType = decltype(_key_commands)::size_type;

	static _KeyCommandsSizeType _key_as_index(const char &key) noexcept;
};