#pragma once

#include <cstdint>
#include <memory>
#include <string_view>
#include <unordered_map>

#include "engine/data/style.hpp"
#include "engine/data/vector2.hpp"
#include "interfaces/component.hpp"
#include "interfaces/matrix.hpp"
#include "interfaces/statusline.hpp"

class Vector2;

constexpr std::uint32_t STATUSLINE_COLOR = 0x1A1A1AU;

class StatusLine : public IStatusLine
{
public:
	explicit StatusLine(std::shared_ptr<ComponentMatrix> component_matrix) noexcept;

	auto get() const noexcept -> const std::shared_ptr<ComponentMatrix> & override;

	[[nodiscard]] auto get_need_render() const noexcept -> bool override;

	void set_need_render(bool need_render) noexcept override;

	auto get_foreground_color() const noexcept -> std::uint32_t override;

	auto get_background_color() const noexcept -> std::uint32_t override;

	void set_section_status(
		StatusLineSection section,
		const std::string_view &status,
		std::int32_t start) noexcept override;

	void
	set_section_length(StatusLineSection section, std::int32_t length) noexcept override;

	void
	set_section_style(StatusLineSection section, const Style &style) noexcept override;

private:
	std::shared_ptr<ComponentMatrix> _component_matrix;
	std::unordered_map<StatusLineSection, std::int32_t> _section_lengths;
	std::unordered_map<StatusLineSection, Style> _section_styles;
	bool _need_render;

	void
	_matrix_write_string(const Vector2 &position, const std::string_view &str) noexcept;

	[[nodiscard]] auto _get_section_start_x(StatusLineSection section) const noexcept
		-> std::int32_t;

	void _clear_section(StatusLineSection section, std::int32_t start) noexcept;
};