#include "cursor.hpp"

#include "engine/escape.hpp"

#include <cstdlib>
#include <iostream>

CursorController::CursorController() noexcept
	: _position({.x = 0, .y = 0}), _bounds({0, 0})
{
}

void CursorController::move(const Vector2 &direction, const uint32_t &amount) noexcept
{
	auto direction_format = direction_format_map.at(direction);

	fmt::print(
		fmt::runtime(direction_format.data()),
		fmt::arg("esc", ESC),
		fmt::arg("amount", amount));
	std::cout.flush();

	_position = _position.to_direction(direction, static_cast<Vector2::Value>(amount));
}

void CursorController::move_to(const Vector2 &position) noexcept
{
	const auto inverted_pos = _invert_position_y(position);

	fmt::print(
		MOVE_CURSOR_TO,
		fmt::arg("esc", ESC),
		fmt::arg("row", inverted_pos.get_y()),
		fmt::arg("column", inverted_pos.get_x() + 1));
	std::cout.flush();

	_position = position;
}

auto CursorController::where() const noexcept -> Vector2
{
	return _position;
}

void CursorController::ensure_position() noexcept
{
	fmt::print(REQUEST_CURSOR_POSITION, fmt::arg("esc", ESC));
	std::cout.flush();

	Vector2Options vector2_options = {};

	// NOLINTNEXTLINE(cppcoreguidelines-pro-type-vararg)
	scanf("\033[%u;%uR", &vector2_options.y, &vector2_options.x);

	_position = _invert_position_y(Vector2(vector2_options));
}

void CursorController::hide() noexcept
{
	fmt::print(CURSOR_INVISIBLE, fmt::arg("esc", ESC));
	std::cout.flush();
}

void CursorController::show() noexcept
{
	fmt::print(CURSOR_VISIBLE, fmt::arg("esc", ESC));
	std::cout.flush();
}

void CursorController::set_bounds(const Bounds &bounds) noexcept
{
	_bounds = bounds;
}

auto CursorController::_invert_position_y(const Vector2 &position) const noexcept
	-> Vector2
{
	const auto bounds_height = static_cast<Vector2::Value>(_bounds.get_height());

	return Vector2({.x = position.get_x(), .y = bounds_height - position.get_y()});
}