#pragma once

#include "DI/auto_wirable.hpp"
#include "interfaces/cursor.hpp"

#include "engine/data/vector2.hpp"

#include <array>
#include <fmt/core.h>
#include <memory>
#include <string_view>
#include <unordered_map>

constexpr std::string_view MOVE_CURSOR_UP = "{esc}[{amount}A";
constexpr std::string_view MOVE_CURSOR_DOWN = "{esc}[{amount}B";
constexpr std::string_view MOVE_CURSOR_LEFT = "{esc}[{amount}D";
constexpr std::string_view MOVE_CURSOR_RIGHT = "{esc}[{amount}C";

constexpr fmt::string_view MOVE_CURSOR_TO = "{esc}[{row};{column}H";

constexpr fmt::string_view REQUEST_CURSOR_POSITION = "{esc}[6n";

constexpr fmt::string_view CURSOR_VISIBLE = "{esc}[?25h";
constexpr fmt::string_view CURSOR_INVISIBLE = "{esc}[?25l";

const std::unordered_map<Vector2, std::string_view, Vector2Hasher> direction_format_map =
	{{Vector2::up(), MOVE_CURSOR_UP},
	 {Vector2::down(), MOVE_CURSOR_DOWN},
	 {Vector2::left(), MOVE_CURSOR_LEFT},
	 {Vector2::right(), MOVE_CURSOR_RIGHT}};

class CursorController : public ICursorController,
						 public AutoWirable<ICursorController, CursorController>
{
public:
	CursorController() noexcept;

	void move(const Vector2 &direction, const uint32_t &amount) noexcept override;

	void move_to(const Vector2 &position, bool silent) noexcept override;

	[[nodiscard]] Vector2 where() const noexcept override;

	void ensure_position() noexcept override;

	void hide() noexcept override;

	void show() noexcept override;

	void subscribe(const Event &event, const Subscriber &subscriber) noexcept override;

	void notify_subscribers(const Event &event,
							const Context &context) const noexcept override;

private:
	Vector2 _position;

	std::unordered_map<CursorEvent, std::vector<Subscriber>> _subscribers;
};