#ifndef LH_TYPES_H
#define LH_TYPES_H

#include <cmath>
#include <cstdint>
#include <memory>
#include <string>
#include <vector>
#include <map>
#include <list>
#include <variant>
#include <optional>
#include <algorithm>

namespace litehtml
{
	using uint_ptr = std::uintptr_t;
	using std::string;
	using std::vector;
	using std::shared_ptr;
	using std::make_shared;
	using std::optional;
	using std::min;
	using std::max;
	using std::swap;
	using std::abs;

	class document;
	class element;

	using pixel_t = float;

	using string_map = std::map<string, string>;
	using elements_list = std::list<std::shared_ptr<element>>;
	using int_vector = std::vector<int>;
	using string_vector = std::vector<string>;
	using pixel_vector = std::vector<pixel_t>;

	template <class... Types>
	struct variant : std::variant<Types...>
	{
		using base = variant<Types...>; // for derived class ctors
		using std::variant<Types...>::variant; // inherit ctors
		template<class T> bool is() const { return std::holds_alternative<T>(*this); }
		template<class T> const T& get() const { return std::get<T>(*this); }
		template<class T> T& get() { return std::get<T>(*this); }
	};

	enum document_mode
	{
		no_quirks_mode,
		quirks_mode,
		limited_quirks_mode
	};

	#define  style_text_decoration_line_strings		"none;underline;overline;line-through"

	enum text_decoration_line
	{
		text_decoration_line_none			= 0x00,
		text_decoration_line_underline		= 0x01,
		text_decoration_line_overline		= 0x02,
		text_decoration_line_line_through	= 0x04,
	};

	#define  style_text_decoration_style_strings	"solid;double;dotted;dashed;wavy"

	enum text_decoration_style
	{
		text_decoration_style_solid,
		text_decoration_style_double,
		text_decoration_style_dotted,
		text_decoration_style_dashed,
		text_decoration_style_wavy,
		text_decoration_style_max,
	};

	#define  style_text_decoration_thickness_strings	"auto;from-font"

	enum text_decoration_thickness
	{
		text_decoration_thickness_auto,
		text_decoration_thickness_from_font,
	};

	#define  style_text_emphasis_position_strings	"over;under;left;right"

	enum text_emphasis_position
	{
		text_emphasis_position_over		= 0x00,
		text_emphasis_position_under	= 0x01,
		text_emphasis_position_left		= 0x02,
		text_emphasis_position_right	= 0x04,
	};

	struct rendered_width
	{
		pixel_t natural_width = 0; // The width required to render the element without additional word wrapping.
		pixel_t min_width	  = 0; // The minimum width the element can be rendered

		void merge(const rendered_width& other)
		{
			natural_width = std::max(natural_width, other.natural_width);
			min_width	  = std::max(min_width, other.min_width);
		}

		void reset()
		{
			natural_width = 0;
			min_width	  = 0;
		}
	};

	using byte = unsigned char;
	using ucode_t = unsigned int;

	struct margins
	{
		pixel_t	left;
		pixel_t	right;
		pixel_t top;
		pixel_t bottom;

		margins()
		{
			left = right = top = bottom = 0;
		}

		pixel_t width()		const	{ return left + right; }
		pixel_t height()	const	{ return top + bottom; }
	};

	struct pointF
	{
		float x;
		float y;

		pointF() : x(0), y(0) {}
		pointF(float _x, float _y) : x(_x), y(_y) {}

		void set(float _x, float _y) { x = _x; y = _y; }
	};

	struct size
	{
		pixel_t		width;
		pixel_t		height;

		size(pixel_t w, pixel_t h) : width(w), height(h)
		{
		}

		size() : width(0), height(0)
		{
		}
	};

	struct position
	{
		using vector = std::vector<position>;

		pixel_t	x = 0;
		pixel_t	y = 0;
		pixel_t	width = 0;
		pixel_t	height = 0;

		position() = default;

		position(pixel_t _x, pixel_t _y, pixel_t _width, pixel_t _height) :
			x(_x),
			y(_y),
			width(_width),
			height(_height)
		{}

		pixel_t right()		const		{ return x + width;		}
		pixel_t bottom()	const		{ return y + height;	}
		pixel_t left()		const		{ return x;				}
		pixel_t top()		const		{ return y;				}

		void operator+=(const margins& mg)
		{
			x		-= mg.left;
			y		-= mg.top;
			width	+= mg.left + mg.right;
			height	+= mg.top + mg.bottom;
		}
		void operator-=(const margins& mg)
		{
			x		+= mg.left;
			y		+= mg.top;
			width	-= mg.left + mg.right;
			height	-= mg.top + mg.bottom;
		}

		void clear()
		{
			x = y = width = height = 0;
		}

		void round()
		{
			x = std::round(x);
			y = std::round(y);
			width = std::round(width);
			height = std::round(height);
		}

		void operator=(const size& sz)
		{
			width	= sz.width;
			height	= sz.height;
		}

		bool operator==(const position& val)
		{
			return x == val.x && y == val.y && width == val.width && height == val.height;
		}

		void move_to(pixel_t _x, pixel_t _y)
		{
			x = _x;
			y = _y;
		}

		[[nodiscard]]
		bool does_intersect(const position* val, bool can_touch = false) const
		{
			if(!val)
				return true;

			if(!can_touch)
				return (left() <= val->right() && right() >= val->left() && bottom() >= val->top() &&
						top() <= val->bottom()) ||
					   (val->left() <= right() && val->right() >= left() && val->bottom() >= top() &&
						val->top() <= bottom());
			else
				return (left() < val->right() && right() > val->left() && bottom() > val->top() &&
						top() < val->bottom()) ||
					   (val->left() < right() && val->right() > left() && val->bottom() > top() &&
						val->top() < bottom());
		}

		[[nodiscard]]
		bool on_same_line(const position& val, bool can_touch = false) const
		{
			if(can_touch)
				return !(bottom() <= val.top() || top() >= val.bottom());
			else
				return !(bottom() < val.top() || top() > val.bottom());
		}

		[[nodiscard]]
		position intersect(const position& src) const
		{
			position dest;
			pixel_t dest_x = std::max(src.x, x);
			pixel_t dest_y = std::max(src.y, y);
			pixel_t dest_x2 = std::min(src.right(), right());
			pixel_t dest_y2 = std::min(src.bottom(), bottom());

			if (dest_x2 > dest_x && dest_y2 > dest_y)
			{
				dest.x = dest_x;
				dest.y = dest_y;
				dest.width = dest_x2 - dest_x;
				dest.height = dest_y2 - dest_y;
			}
			else
			{
				dest.width = 0;
				dest.height = 0;
			}

			return dest;
		}

		[[nodiscard]]
		bool empty() const
		{
			return width == 0 && height == 0;
		}

		[[nodiscard]]
		bool is_point_inside(pixel_t _x, pixel_t _y) const
		{
			return (_x >= left() && _x < right() && _y >= top() && _y < bottom());
		}
	};

	struct scroll_values
	{
		pixel_t	dx;
		pixel_t dy;
		position scroll_box;

		scroll_values()
		{
			dx = 0;
			dy = 0;
		}
	};

	struct font_metrics
	{
		pixel_t 	font_size = 0;		// Font size in pixels. The same as size argument of the create_font function
		pixel_t		height = 0;			// Font height in pixels.
		pixel_t		ascent = 0;			// The distance from the baseline to the top of a line of text.
		pixel_t		descent = 0;		// The distance from the baseline to the bottom of a line of text.
		pixel_t		x_height = 0;		// Height of the symbol x
		pixel_t 	ch_width = 0;		// Width of the symbol 0
		bool		draw_spaces = true;	// True to call draw text function for spaces. If False, just use space width without draw.
		pixel_t		sub_shift = 0;		// The baseline shift for subscripts.
		pixel_t		super_shift = 0;	// The baseline shift for superscripts.

		pixel_t base_line() const	{ return descent; }
	};

	struct font_item
	{
		uint_ptr		font;
		font_metrics	metrics;
	};

	using fonts_map = std::map<string, font_item>;

	enum draw_flag
	{
		draw_root,
		draw_block,
		draw_floats,
		draw_inlines,
		draw_positioned,
	};

	struct containing_block_context
	{
		enum cbc_value_type
		{
			cbc_value_type_absolute,	// width/height of containing block is defined as absolute value
			cbc_value_type_percentage,	// width/height of containing block is defined as percentage
			cbc_value_type_auto,		// width/height of containing block is defined as auto
			cbc_value_type_none,		// min/max width/height of containing block is defined as none
		};

		enum cbc_size_mode
		{
			size_mode_normal = 0x00,
			size_mode_exact_width = 0x01,
			size_mode_exact_height = 0x02,
			size_mode_content = 0x04,
		};

		struct typed_pixel
		{
			pixel_t			value;
			cbc_value_type	type;

			typed_pixel(const typed_pixel& v) = default;

			typed_pixel(pixel_t val, cbc_value_type tp)
			{
				value = val;
				type = tp;
			}

			operator pixel_t() const
			{
				return value;
			}

			typed_pixel& operator=(pixel_t val)
			{
				value = val;
				return *this;
			}

			typed_pixel& operator=(const typed_pixel& v) = default;
		};

		typed_pixel width;						// width of the containing block
		typed_pixel render_width;
		typed_pixel min_width;
		typed_pixel max_width;

		typed_pixel height;						// height of the containing block
		typed_pixel min_height;
		typed_pixel max_height;

		int context_idx;
		uint32_t size_mode;

		containing_block_context() :
				width(0, cbc_value_type_auto),
				render_width(0, cbc_value_type_auto),
				min_width(0, cbc_value_type_none),
				max_width(0, cbc_value_type_none),
				height(0, cbc_value_type_auto),
				min_height(0, cbc_value_type_none),
				max_height(0, cbc_value_type_none),
				context_idx(0),
				size_mode(size_mode_normal)
		{}

		containing_block_context new_width(pixel_t w, uint32_t _size_mode = size_mode_normal) const
		{
			containing_block_context ret = *this;
			ret.render_width = w - (ret.width - ret.render_width);
			ret.width = w;
			ret.size_mode = _size_mode;
			return ret;
		}

		containing_block_context new_width_height(pixel_t w, pixel_t h, uint32_t _size_mode = size_mode_normal) const
		{
			containing_block_context ret = *this;
			ret.render_width = w - (ret.width - ret.render_width);
			ret.width = w;
			ret.height = h;
			ret.size_mode = _size_mode;
			return ret;
		}
	};

#define  style_display_strings		"none;block;inline;inline-block;inline-table;list-item;table;table-caption;table-cell;table-column;table-column-group;table-footer-group;table-header-group;table-row;table-row-group;inline-text;flex;inline-flex"

	enum style_display
	{
		display_none,
		display_block,
		display_inline,
		display_inline_block,
		display_inline_table,
		display_list_item,
		display_table,
		display_table_caption,
		display_table_cell,
		display_table_column,
		display_table_column_group,
		display_table_footer_group,
		display_table_header_group,
		display_table_row,
		display_table_row_group,
		display_inline_text,
		display_flex,
		display_inline_flex,
	};

#define  font_size_strings		"xx-small;x-small;small;medium;large;x-large;xx-large;smaller;larger"

	enum font_size
	{
		font_size_xx_small,
		font_size_x_small,
		font_size_small,
		font_size_medium,
		font_size_large,
		font_size_x_large,
		font_size_xx_large,
		font_size_smaller,
		font_size_larger,
	};

#define line_height_strings "normal"

	enum line_height
	{
		line_height_normal
	};

#define  font_style_strings		"normal;italic"

	enum font_style
	{
		font_style_normal,
		font_style_italic
	};

#define  font_system_family_name_strings		"caption;icon;menu;message-box;small-caption;status-bar"

#define  font_variant_strings		"normal;small-caps"

	enum font_variant
	{
		font_variant_normal,
		font_variant_small_caps
	};

#define  font_weight_strings	"normal;bold;bolder;lighter"

	enum font_weight
	{
		font_weight_normal,
		font_weight_bold,
		font_weight_bolder,
		font_weight_lighter,
	};

#define  list_style_type_strings	"none;circle;disc;square;armenian;cjk-ideographic;decimal;decimal-leading-zero;georgian;hebrew;hiragana;hiragana-iroha;katakana;katakana-iroha;lower-alpha;lower-greek;lower-latin;lower-roman;upper-alpha;upper-latin;upper-roman"

	enum list_style_type
	{
		list_style_type_none,
		list_style_type_circle,
		list_style_type_disc,
		list_style_type_square,
		list_style_type_armenian,
		list_style_type_cjk_ideographic,
		list_style_type_decimal,
		list_style_type_decimal_leading_zero,
		list_style_type_georgian,
		list_style_type_hebrew,
		list_style_type_hiragana,
		list_style_type_hiragana_iroha,
		list_style_type_katakana,
		list_style_type_katakana_iroha,
		list_style_type_lower_alpha,
		list_style_type_lower_greek,
		list_style_type_lower_latin,
		list_style_type_lower_roman,
		list_style_type_upper_alpha,
		list_style_type_upper_latin,
		list_style_type_upper_roman,
	};

#define  list_style_position_strings	"inside;outside"

	enum list_style_position
	{
		list_style_position_inside,
		list_style_position_outside
	};

#define  vertical_align_strings	"baseline;sub;super;top;text-top;middle;bottom;text-bottom"

	enum vertical_align
	{
		va_baseline,
		va_sub,
		va_super,
		va_top,
		va_text_top,
		va_middle,
		va_bottom,
		va_text_bottom
	};

#define  border_width_strings	"thin;medium;thick"

	enum border_width
	{
		border_width_thin,
		border_width_medium,
		border_width_thick
	};

	const float border_width_thin_value = 1;
	const float border_width_medium_value = 3;
	const float border_width_thick_value = 5;
	const float border_width_values[] = { border_width_thin_value, border_width_medium_value, border_width_thick_value };

#define  border_style_strings	"none;hidden;dotted;dashed;solid;double;groove;ridge;inset;outset"

	enum border_style
	{
		border_style_none,
		border_style_hidden,
		border_style_dotted,
		border_style_dashed,
		border_style_solid,
		border_style_double,
		border_style_groove,
		border_style_ridge,
		border_style_inset,
		border_style_outset
	};

#define  element_float_strings	"none;left;right"

	enum element_float
	{
		float_none,
		float_left,
		float_right
	};

#define  element_clear_strings	"none;left;right;both"

	enum element_clear
	{
		clear_none,
		clear_left,
		clear_right,
		clear_both
	};

#define  css_units_strings	"none;%;in;cm;mm;em;ex;pt;pc;px;vw;vh;vmin;vmax;rem;ch"

	enum css_units : byte // see css_length
	{
		css_units_none,
		css_units_percentage,
		css_units_in,
		css_units_cm,
		css_units_mm,
		css_units_em,
		css_units_ex,
		css_units_pt,
		css_units_pc,
		css_units_px,
		css_units_vw,
		css_units_vh,
		css_units_vmin,
		css_units_vmax,
		css_units_rem,
		css_units_ch,
	};

#define  background_attachment_strings	"scroll;fixed"

	enum background_attachment
	{
		background_attachment_scroll,
		background_attachment_fixed
	};

#define  background_repeat_strings	"repeat;repeat-x;repeat-y;no-repeat"

	enum background_repeat
	{
		background_repeat_repeat,
		background_repeat_repeat_x,
		background_repeat_repeat_y,
		background_repeat_no_repeat
	};

// https://drafts.csswg.org/css-box-4/#typedef-visual-box
#define  background_box_strings	"border-box;padding-box;content-box"

	enum background_box
	{
		background_box_border,
		background_box_padding,
		background_box_content
	};

#define  background_position_strings				"left;right;top;bottom;center"
	const float background_position_percentages[] =	 {0,   100,  0,  100,    50};

	enum background_position
	{
		background_position_left,
		background_position_right,
		background_position_top,
		background_position_bottom,
		background_position_center,
	};

#define element_position_strings	"static;relative;absolute;fixed"

	enum element_position
	{
		element_position_static,
		element_position_relative,
		element_position_absolute,
		element_position_fixed,
	};

#define text_align_strings		"left;right;center;justify"

	enum text_align
	{
		text_align_left,
		text_align_right,
		text_align_center,
		text_align_justify
	};

#define text_transform_strings		"none;capitalize;uppercase;lowercase"

	enum text_transform
	{
		text_transform_none,
		text_transform_capitalize,
		text_transform_uppercase,
		text_transform_lowercase
	};

#define white_space_strings		"normal;nowrap;pre;pre-line;pre-wrap"

	enum white_space
	{
		white_space_normal,
		white_space_nowrap,
		white_space_pre,
		white_space_pre_line,
		white_space_pre_wrap
	};

#define overflow_strings		"visible;hidden;scroll;auto;no-display;no-content"

	enum overflow
	{
		overflow_visible,
		overflow_hidden,
		overflow_scroll,
		overflow_auto,
		overflow_no_display,
		overflow_no_content
	};

#define background_size_strings		"auto;cover;contain"

	enum background_size
	{
		background_size_auto,	// must be first, see parse_bg_size
		background_size_cover,
		background_size_contain,
	};

#define visibility_strings			"visible;hidden;collapse"

	enum visibility
	{
		visibility_visible,
		visibility_hidden,
		visibility_collapse,
	};

#define border_collapse_strings		"collapse;separate"

	enum border_collapse
	{
		border_collapse_collapse,
		border_collapse_separate,
	};

#define content_property_string		"none;normal;open-quote;close-quote;no-open-quote;no-close-quote"

	enum content_property
	{
		content_property_none,
		content_property_normal,
		content_property_open_quote,
		content_property_close_quote,
		content_property_no_open_quote,
		content_property_no_close_quote,
	};

	class render_item;

	struct floated_box
	{
		position		                pos;
		element_float	                float_side;
		element_clear	                clear_floats;
		std::shared_ptr<render_item>	el;
		int								context;
		pixel_t							min_width;

		floated_box() = default;
		floated_box(const floated_box& val)
		{
			pos = val.pos;
			float_side = val.float_side;
			clear_floats = val.clear_floats;
			el = val.el;
			context = val.context;
			min_width = val.min_width;
		}

		floated_box& operator=(const floated_box& val) = default;

		floated_box(floated_box&& val)
		{
			pos = val.pos;
			float_side = val.float_side;
			clear_floats = val.clear_floats;
			el = std::move(val.el);
			context = val.context;
			min_width = val.min_width;
		}
		void operator=(floated_box&& val)
		{
			pos = val.pos;
			float_side = val.float_side;
			clear_floats = val.clear_floats;
			el = std::move(val.el);
			context = val.context;
			min_width = val.min_width;
		}
	};

	struct pixel_pixel_cache
	{
		pixel_t		hash;
		pixel_t		val;
		bool	is_valid;
		bool	is_default;

		pixel_pixel_cache()
		{
			hash		= 0;
			val			= 0;
			is_valid	= false;
			is_default	= false;
		}
		void invalidate()
		{
			is_valid	= false;
			is_default	= false;
		}
		void set_value(pixel_t vHash, pixel_t vVal)
		{
			hash		= vHash;
			val			= vVal;
			is_valid	= true;
		}
	};

	enum select_result
	{
		select_no_match				= 0x00,
		select_match				= 0x01,
		select_match_pseudo_class	= 0x02,
		select_match_with_before	= 0x10,
		select_match_with_after		= 0x20,
	};

	template<class T>
	class def_value
	{
		T		m_val;
		bool	m_is_default;
	public:
		def_value(T def_val)
		{
			m_is_default	= true;
			m_val			= def_val;
		}
		def_value(const def_value<T>& val)
		{
			m_is_default	= val.m_is_default;
			m_val			= val.m_val;
		}
		void reset(T def_val)
		{
			m_is_default	= true;
			m_val			= def_val;
		}
		bool is_default() const
		{
			return m_is_default;
		}
		T operator=(T new_val)
		{
			m_val			= new_val;
			m_is_default	= false;
			return m_val;
		}
		def_value<T>& operator=(const def_value<T>& val)
		{
			m_is_default	= val.m_is_default;
			m_val			= val.m_val;
			return *this;
		}
		operator T() const
		{
			return m_val;
		}
	};

	class baseline
	{
	public:
		enum _baseline_type
		{
			baseline_type_none,
			baseline_type_top,
			baseline_type_bottom,
		};

	public:
		baseline() : m_value(0), m_type(baseline_type_none) {}
		baseline(pixel_t _value, _baseline_type _type) : m_value(_value), m_type(_type) {}

		pixel_t value() const			{ return m_value; 	}
		void value(pixel_t _value) 		{ m_value = _value; }
		_baseline_type type() const		{ return m_type; 	}
		void type(_baseline_type _type)	{ m_type = _type; 	}

		operator pixel_t() const	{ return m_value; 	}
		baseline& operator=(pixel_t _value) { m_value = _value; return *this; }

		void set(pixel_t _value, _baseline_type _type)	{ m_value = _value; m_type =_type; }
		/**
		 * Get baseline offset from top of element with specified height
		 * @param height - element height
		 * @return baseline offset
		 */
		pixel_t get_offset_from_top(pixel_t height) const
		{
			if(m_type == baseline_type_top) return m_value;
			return height - m_value;
		}
		/**
		 * Get baseline offset from bottom of element with specified height
		 * @param height - element height
		 * @return baseline offset
		 */
		pixel_t get_offset_from_bottom(pixel_t height) const
		{
			if(m_type == baseline_type_bottom) return m_value;
			return height - m_value;
		}
		/**
		 * Calculate baseline by top and bottom positions of element aligned by baseline == 0
		 * @param top - top of the aligned element
		 * @param bottom - bottom of the aligned element
		 */
		void calc(pixel_t top, pixel_t bottom)
		{
			if(m_type == baseline_type_top)
				m_value = -top;
			else if(m_type == baseline_type_bottom)
				m_value = bottom;
		}
	private:
		pixel_t m_value;
		_baseline_type m_type;
	};

#define appearance_strings      "none;auto;menulist-button;textfield;button;checkbox;listbox;menulist;meter;progress-bar;push-button;radio;searchfield;slider-horizontal;square-button;textarea"

	enum appearance
	{
		appearance_none,
		appearance_auto,
		appearance_menulist_button,
		appearance_textfield,
		appearance_button,
		appearance_checkbox,
		appearance_listbox,
		appearance_menulist,
		appearance_meter,
		appearance_progress_bar,
		appearance_push_button,
		appearance_radio,
		appearance_searchfield,
		appearance_slider_horizontal,
		appearance_square_button,
		appearance_textarea,
	};

#define box_sizing_strings		"content-box;border-box"

	enum box_sizing
	{
		box_sizing_content_box,
		box_sizing_border_box,
	};

// https://drafts.csswg.org/mediaqueries/#media-types
// User agents must recognize the following media types as valid, but must make them match nothing.
#define deprecated_media_type_strings	"tty;tv;projection;handheld;braille;embossed;aural;speech"
#define media_type_strings				"all;print;screen;" deprecated_media_type_strings

	enum media_type
	{
		media_type_unknown,
		media_type_all,
		media_type_print,
		media_type_screen,
		media_type_first_deprecated
	};

	struct media_features
	{
		media_type	type;
		pixel_t		width;			// (pixels) For continuous media, this is the width of the viewport including the size of a rendered scroll bar (if any). For paged media, this is the width of the page box.
		pixel_t		height;			// (pixels) The height of the targeted display area of the output device. For continuous media, this is the height of the viewport including the size of a rendered scroll bar (if any). For paged media, this is the height of the page box.
		pixel_t		device_width;	// (pixels) The width of the rendering surface of the output device. For continuous media, this is the width of the screen. For paged media, this is the width of the page sheet size.
		pixel_t		device_height;	// (pixels) The height of the rendering surface of the output device. For continuous media, this is the height of the screen. For paged media, this is the height of the page sheet size.
		int			color;			// The number of bits per color component of the output device. If the device is not a color device, the value is zero.
		int			color_index;	// The number of entries in the color lookup table of the output device. If the device does not use a color lookup table, the value is zero.
		int			monochrome;		// The number of bits per pixel in a monochrome frame buffer. If the device is not a monochrome device, the output device value will be 0.
		pixel_t		resolution;		// The resolution of the output device (in DPI)

		media_features()
		{
			type = media_type_unknown;
			width = 0;
			height = 0;
			device_width = 0;
			device_height = 0;
			color = 0;
			color_index = 0;
			monochrome = 0;
			resolution = 0;
		}
	};

	enum render_type
	{
		render_all,
		render_no_fixed,
		render_fixed_only,
	};

	const char* const split_delims_spaces = " \t\r\n\f\v";

	// List of the Void Elements (can't have any contents)
	const char* const void_elements = "area;base;br;col;command;embed;hr;img;input;keygen;link;meta;param;source;track;wbr";

#define flex_direction_strings		"row;row-reverse;column;column-reverse"

	enum flex_direction
	{
		flex_direction_row,
		flex_direction_row_reverse,
		flex_direction_column,
		flex_direction_column_reverse
	};

#define flex_wrap_strings		"nowrap;wrap;wrap-reverse"

	enum flex_wrap
	{
		flex_wrap_nowrap,
		flex_wrap_wrap,
		flex_wrap_wrap_reverse
	};

#define flex_justify_content_strings		"normal;flex-start;flex-end;center;space-between;space-around;start;end;left;right;space-evenly;stretch"

	enum flex_justify_content
	{
		flex_justify_content_normal,
		flex_justify_content_flex_start,
		flex_justify_content_flex_end,
		flex_justify_content_center,
		flex_justify_content_space_between,
		flex_justify_content_space_around,
		flex_justify_content_start,
		flex_justify_content_end,
		flex_justify_content_left,
		flex_justify_content_right,
		flex_justify_content_space_evenly,
		flex_justify_content_stretch,
	};

#define self_position_strings		"center;start;end;self-start;self-end;flex-start;flex-end"
#define flex_align_items_strings	"auto;normal;stretch;baseline;" self_position_strings

	enum flex_align_items
	{
		flex_align_items_auto, // used for align-self property only
		flex_align_items_normal,
		flex_align_items_stretch,
		flex_align_items_baseline,

		flex_align_items_center,
		flex_align_items_start,
		flex_align_items_end,
		flex_align_items_self_start,
		flex_align_items_self_end,
		flex_align_items_flex_start,
		flex_align_items_flex_end,

		flex_align_items_first = 0x100,
		flex_align_items_last = 0x200,
		flex_align_items_unsafe = 0x400,
		flex_align_items_safe  = 0x800,
	};

#define flex_align_content_strings		"flex-start;start;flex-end;end;center;space-between;space-around;stretch"

	enum flex_align_content
	{
		flex_align_content_flex_start,
		flex_align_content_start,
		flex_align_content_flex_end,
		flex_align_content_end,
		flex_align_content_center,
		flex_align_content_space_between,
		flex_align_content_space_around,
		flex_align_content_stretch
	};

#define flex_basis_strings		"auto;content;fit-content;min-content;max-content"

	enum flex_basis
	{
		flex_basis_auto,
		flex_basis_content,
		flex_basis_fit_content,
		flex_basis_min_content,
		flex_basis_max_content,
	};

#define caption_side_strings		"top;bottom"

	enum caption_side
	{
		caption_side_top,
		caption_side_bottom
	};
}

#endif  // LH_TYPES_H