#define RANDOM_GRAFFITI "Random Graffiti"
#define RANDOM_LETTER "Random Letter"
#define RANDOM_PUNCTUATION "Random Punctuation"
#define RANDOM_NUMBER "Random Number"
#define RANDOM_SYMBOL "Random Symbol"
#define RANDOM_DRAWING "Random Drawing"
#define RANDOM_ORIENTED "Random Oriented"
#define RANDOM_RUNE "Random Rune"
#define RANDOM_ANY "Random Anything"

#define PAINT_NORMAL 1
#define PAINT_LARGE_HORIZONTAL 2
#define PAINT_LARGE_HORIZONTAL_ICON 'icons/effects/96x32.dmi'

#define AVAILABLE_SPRAYCAN_SPACE 8 // enough to fill one radial menu page

#define DRAW_TIME 5 SECONDS
#define INFINITE_CHARGES -1

/*
 * Crayons
 */

/obj/item/toy/crayon
	name = "crayon"
	desc = "A colourful crayon. Looks tasty. Mmmm..."
	icon = 'icons/obj/art/crayons.dmi'
	icon_state = "crayonred"
	worn_icon_state = "crayon"
	w_class = WEIGHT_CLASS_TINY
	attack_verb_continuous = list("attacks", "colours")
	attack_verb_simple = list("attack", "colour")
	grind_results = list()
	interaction_flags_atom = parent_type::interaction_flags_atom | INTERACT_ATOM_IGNORE_MOBILITY

	/// Icon state to use when capped
	var/icon_capped
	/// Icon state to use when uncapped
	var/icon_uncapped
	/// If true, a coloured overlay is applied to display the currently selected colour
	var/overlay_paint_colour = FALSE

	/// Crayon overlay to use if placed into a crayon box
	var/crayon_color = "red"
	/// Current paint colour
	var/paint_color = COLOR_RED

	/// Contains chosen symbol to draw
	var/drawtype
	/// Stores buffer of text to draw, one character at a time
	var/text_buffer = ""

	/// Dictates how large of an area we cover with our paint
	var/paint_mode = PAINT_NORMAL

	/// Number of times this item can be used, INFINITE_CHARGES for unlimited
	var/charges = 30
	/// Number of remaining charges
	var/charges_left
	/// Multiplies effect of reagent when applied to mobs or surfaces
	var/volume_multiplier = 1
	/// If true, sprayed turfs should also have the internal chemical applied to them
	var/expose_turfs = FALSE
	/// If set to false, this just applies a chemical and cannot paint symbols
	var/actually_paints = TRUE

	/// If false a do_after is required to draw something, otherwise it applies immediately
	var/instant = FALSE
	/// If true, this deletes itself when empty
	var/self_contained = TRUE

	/// Whether or not you can eat this. Doesn't mean it is a good idea to eat it.
	var/edible = TRUE

	/// Reagents which are applied to things you use this on, or yourself if you eat it
	var/list/reagent_contents = list(/datum/reagent/consumable/nutriment = 0.5)
	/// If the user can toggle the colour, a la vanilla spraycan
	var/can_change_colour = FALSE

	/// Whether this item has a cap that can be toggled on and off
	var/has_cap = FALSE
	/// Whether the cap is currently on or off
	var/is_capped = FALSE

	/// Whether to play a sound before using
	var/pre_noise = FALSE
	/// Whether to play a sound after using
	var/post_noise = FALSE

	/**
	 * List of selectable graffiti options
	 * If an associated value is present, the graffiti has its own cost
	 * otherwise it'll be the default value.
	 * Ditto with the other other lists below.
	*/
	var/static/list/graffiti = list(
		"amyjon",
		"antilizard",
		"body",
		"cyka",
		"dwarf",
		"end",
		"engie",
		"face",
		"guy",
		"matt",
		"prolizard",
		"revolution",
		"star",
		"uboa",
	)
	/// List of selectable symbol options
	var/static/list/symbols = list(
		"biohazard",
		"credit",
		"danger",
		"electricdanger",
		"firedanger", // These symbols left intentionally un-alphabetised as they should be next to each other in the menu
		"evac",
		"food",
		"heart",
		"like",
		"med",
		"nay",
		"peace",
		"radiation",
		"safe",
		"shop",
		"skull",
		"space",
		"trade",
	)
	/// List of selectable drawing options
	var/static/list/drawings = list(
		"beepsky",
		"blueprint",
		"bottle",
		"brush",
		"carp",
		"cat",
		"clown",
		"corgi",
		"disk",
		"fireaxe",
		"ghost",
		"largebrush",
		"scroll",
		"shotgun",
		"smallbrush" = CRAYON_COST_SMALL,
		"snake",
		"splatter",
		"stickman",
		"taser",
		"toilet",
		"toolbox",
	)
	/// List of selectable orientable options
	var/static/list/oriented = list(
		"arrow" = CRAYON_COST_SMALL,
		"body",
		"chevron" = CRAYON_COST_SMALL,
		"clawprint" = CRAYON_COST_SMALL,
		"footprint" = CRAYON_COST_SMALL,
		"line",
		"pawprint" = CRAYON_COST_SMALL,
		"shortline" = CRAYON_COST_SMALL,
		"thinline",
	)
	/// List of selectable rune options
	var/static/list/runes = list(
		"rune1",
		"rune2",
		"rune3",
		"rune4",
		"rune5",
		"rune6",
	)
	/// List of selectable random options
	var/static/list/randoms = list(
		RANDOM_ANY,
		RANDOM_DRAWING,
		RANDOM_GRAFFITI,
		RANDOM_ORIENTED,
		RANDOM_LETTER,
		RANDOM_NUMBER,
		RANDOM_PUNCTUATION,
		RANDOM_RUNE,
		RANDOM_SYMBOL,
	)
	/// List of selectable large options
	var/static/list/graffiti_large_h = list(
		"furrypride" = CRAYON_COST_LARGE,
		"paint" = CRAYON_COST_LARGE,
		"secborg" = CRAYON_COST_LARGE,
		"yiffhell" = CRAYON_COST_LARGE,
	)
	/// Combined lists
	var/static/list/all_drawables = graffiti + symbols + drawings + oriented + runes + graffiti_large_h

/obj/item/toy/crayon/proc/isValidSurface(surface)
	return isfloorturf(surface)

/obj/item/toy/crayon/suicide_act(mob/living/user)
	user.visible_message(span_suicide("[user] is jamming [src] up [user.p_their()] nose and into [user.p_their()] brain. It looks like [user.p_theyre()] trying to commit suicide!"))
	user.add_atom_colour(color_transition_filter(paint_color, SATURATION_OVERRIDE), ADMIN_COLOUR_PRIORITY)
	return (BRUTELOSS|OXYLOSS)

/obj/item/toy/crayon/Initialize(mapload)
	. = ..()

	dye_color = crayon_color

	drawtype = pick(all_drawables)

	AddElement(/datum/element/venue_price, FOOD_PRICE_EXOTIC)
	if(can_change_colour)
		AddComponent(/datum/component/palette, AVAILABLE_SPRAYCAN_SPACE, paint_color)

	refill()
	if(edible)
		AddComponentFrom(
			SOURCE_EDIBLE_INNATE, \
			/datum/component/edible, \
			bite_consumption = reagents.total_volume / (charges_left / 5), \
			after_eat = CALLBACK(src, PROC_REF(after_eat)), \
		)

/// Used for edible component to reduce charges_left on bite.
/obj/item/toy/crayon/proc/after_eat(mob/user)
	use_charges(user, amount = 5, requires_full = FALSE, override_infinity = TRUE)
	if(check_empty(user, override_infinity = TRUE)) //Prevents division by zero
		return

/// Sets painting color and updates appearance.
/obj/item/toy/crayon/set_painting_tool_color(chosen_color)
	. = ..()
	paint_color = chosen_color
	update_appearance()

/**
 * Refills charges_left in infinite crayons on use.
 * Sets charges_left in infinite crayons to 100 for spawning reagents.
 * Spawns reagents in crayons based on the amount of charges_left if not spawned yet.
 */
/obj/item/toy/crayon/proc/refill()
	if(charges == INFINITE_CHARGES)
		charges_left = 100
	else
		charges_left = charges

	if(!reagents)
		create_reagents(charges_left * volume_multiplier)
	reagents.clear_reagents()

	var/total_weight = 0
	for(var/key in reagent_contents)
		total_weight += reagent_contents[key]

	var/units_per_weight = reagents.maximum_volume / total_weight
	for(var/reagent in reagent_contents)
		var/weight = reagent_contents[reagent]
		var/amount = weight * units_per_weight
		reagents.add_reagent(reagent, amount)

/**
 * Returns number of charges actually used.
 *
 * Arguments:
 * * user - the user.
 * * amount - how much charges do we reduce.
 * * requires_full - Seems to transfer its data to the same argument on check_empty(). I'm not sure tho.
 * * override_infinity - if TRUE stops infinite crayons from refilling.
 */
/obj/item/toy/crayon/proc/use_charges(mob/user, amount = 1, requires_full = TRUE, override_infinity = FALSE)
	if(charges == INFINITE_CHARGES && !override_infinity)
		refill()
		return TRUE
	if(check_empty(user, amount, requires_full))
		return FALSE
	charges_left -= min(charges_left, amount)
	return TRUE

/**
 * When eating a crayon, check_empty() can be called twice producing two messages unless we check for being deleted first.
 *
 * Arguments:
 * * user - the user.
 * * amount - used for use_on() and when requires_full is TRUE
 * * requires_full - if TRUE and charges_left < amount it will balloon_alert you. Used just for borgs spraycan it seems.
 * * override_infinity - if TRUE it will override checks for infinite crayons.
 */
/obj/item/toy/crayon/proc/check_empty(mob/user, amount = 1, requires_full = TRUE, override_infinity = FALSE)
	if(QDELETED(src))
		return TRUE

	// INFINITE_CHARGES is unlimited charges
	if(charges == INFINITE_CHARGES && !override_infinity)
		return FALSE
	if(!charges_left)
		if(self_contained)
			qdel(src)
		else
			balloon_alert(user, "empty!")
		return TRUE
	if(charges_left < amount && requires_full)
		balloon_alert(user, "not enough left!")
		return TRUE

	return FALSE

/obj/item/toy/crayon/ui_state(mob/user)
	return GLOB.hands_state

/obj/item/toy/crayon/ui_interact(mob/user, datum/tgui/ui)
	if (!actually_paints)
		return
	// tgui is a plague upon this codebase
	// no u
	ui = SStgui.try_update_ui(user, src, ui)
	if(!ui)
		ui = new(user, src, "Crayon", name)
		ui.open()

/obj/item/toy/crayon/proc/staticDrawables(is_literate_user)
	. = list()

	var/list/g_items = list()
	. += list(list("name" = "Graffiti", "items" = g_items))
	for(var/g in graffiti)
		g_items += list(list("item" = g))

	var/list/glh_items = list()
	. += list(list("name" = "Graffiti Large Horizontal", "items" = glh_items))
	for(var/glh in graffiti_large_h)
		glh_items += list(list("item" = glh))

	var/list/S_items = list()
	. += list(list("name" = "Symbols", "items" = S_items))
	for(var/S in symbols)
		S_items += list(list("item" = S))

	var/list/D_items = list()
	. += list(list("name" = "Drawings", "items" = D_items))
	for(var/D in drawings)
		D_items += list(list("item" = D))

	var/list/O_items = list()
	. += list(list(name = "Oriented", "items" = O_items))
	for(var/O in oriented)
		O_items += list(list("item" = O))

	var/list/R_items = list()
	. += list(list(name = "Runes", "items" = R_items))
	for(var/R in runes)
		R_items += list(list("item" = R))

	var/list/rand_items = list()
	. += list(list(name = "Random", "items" = rand_items))
	for(var/i in randoms)
		if(!is_literate_user) // no spelling allowed
			if(i == RANDOM_LETTER || i == RANDOM_NUMBER || i == RANDOM_PUNCTUATION)
				continue
		rand_items += list(list("item" = i))

/obj/item/toy/crayon/ui_data(mob/user)
	var/list/crayon_drawables
	var/is_literate_user = user.is_literate()

	if(!crayon_drawables)
		crayon_drawables = staticDrawables(is_literate_user)

	. = list()
	.["drawables"] = crayon_drawables
	.["selected_stencil"] = drawtype
	.["text_buffer"] = text_buffer
	.["is_literate_user"] = is_literate_user
	.["has_cap"] = has_cap
	.["is_capped"] = is_capped
	.["can_change_colour"] = can_change_colour
	.["selected_color"] = GLOB.pipe_color_name[paint_color] || paint_color
	.["paint_colors"] = GLOB.pipe_paint_colors

/obj/item/toy/crayon/ui_act(action, list/params, datum/tgui/ui, datum/ui_state/state)
	. = ..()
	if(.)
		return

	switch(action)
		if("toggle_cap")
			if(has_cap)
				is_capped = !is_capped
				. = TRUE
		if("select_stencil")
			var/stencil = params["item"]
			if(stencil in (all_drawables + randoms))
				drawtype = stencil
				. = TRUE
				text_buffer = ""
			if(stencil in graffiti_large_h)
				paint_mode = PAINT_LARGE_HORIZONTAL
				text_buffer = ""
			else
				paint_mode = PAINT_NORMAL
		if("custom_color")
			. = can_change_colour && pick_painting_tool_color(usr, paint_color)
		if("color")
			if(!can_change_colour)
				return
			paint_color = GLOB.pipe_paint_colors[params["paint_color"]]
			set_painting_tool_color(paint_color)
			. = TRUE
		if("enter_text")
			var/txt = tgui_input_text(usr, "Choose what to write", "Scribbles", text_buffer, max_length = MAX_MESSAGE_LEN)
			if(isnull(txt))
				return
			txt = crayon_text_strip(txt)
			if(text_buffer == txt)
				return // No valid changes.
			text_buffer = txt

			. = TRUE
			paint_mode = PAINT_NORMAL
			drawtype = "a"
	update_appearance()

/obj/item/toy/crayon/proc/crayon_text_strip(text)
	text = copytext(text, 1, MAX_MESSAGE_LEN)
	var/static/regex/crayon_regex = new /regex(@"[^\w!?,.=&%#+/\-]", "ig")
	return LOWER_TEXT(crayon_regex.Replace(text, ""))

/// Is this a valid object for use_on to run on?
/obj/item/toy/crayon/proc/can_use_on(atom/target, mob/user, list/modifiers)
	if(!isturf(target) && !istype(target, /obj/effect/decal/cleanable))
		return FALSE
	return TRUE

/// Attempts to color the target.
/obj/item/toy/crayon/proc/use_on(atom/target, mob/user, list/modifiers)
	var/static/list/punctuation = list("!","?",".",",","/","+","-","=","%","#","&")

	if(istype(target, /obj/effect/decal/cleanable))
		target = target.loc

	if(!isValidSurface(target))
		target.balloon_alert(user, "can't use there!")
		return ITEM_INTERACT_BLOCKING

	var/drawing = drawtype
	switch(drawtype)
		if(RANDOM_LETTER)
			drawing = ascii2text(rand(97, 122)) // a-z
		if(RANDOM_PUNCTUATION)
			drawing = pick(punctuation)
		if(RANDOM_SYMBOL)
			drawing = pick(symbols)
		if(RANDOM_DRAWING)
			drawing = pick(drawings)
		if(RANDOM_GRAFFITI)
			drawing = pick(graffiti)
		if(RANDOM_RUNE)
			drawing = pick(runes)
		if(RANDOM_ORIENTED)
			drawing = pick(oriented)
		if(RANDOM_NUMBER)
			drawing = ascii2text(rand(48, 57)) // 0-9
		if(RANDOM_ANY)
			drawing = pick(all_drawables)

	if(drawing in graffiti_large_h)
		paint_mode = PAINT_LARGE_HORIZONTAL
		text_buffer = ""
	else
		paint_mode = PAINT_NORMAL

	var/istagger = HAS_TRAIT(user, TRAIT_TAGGER)
	var/cost = all_drawables[drawing] || CRAYON_COST_DEFAULT
	if(istype(target, /obj/item/canvas))
		cost = 0
	if (istagger)
		cost *= 0.5
	if(check_empty(user, cost))
		return ITEM_INTERACT_BLOCKING

	var/temp = "rune"
	var/ascii = (length(drawing) == 1)
	if(ascii && is_lowercase_character(drawing))
		temp = "letter"
	else if(ascii && is_digit(drawing))
		temp = "number"
	else if(drawing in punctuation)
		temp = "punctuation mark"
	else if(drawing in symbols)
		temp = "symbol"
	else if(drawing in drawings)
		temp = "drawing"
	else if(drawing in (graffiti|oriented))
		temp = "graffiti"

	var/graf_rot
	if(drawing in oriented)
		switch(user.dir)
			if(EAST)
				graf_rot = 90
			if(SOUTH)
				graf_rot = 180
			if(WEST)
				graf_rot = 270
			else
				graf_rot = 0

	var/clickx
	var/clicky

	if(LAZYACCESS(modifiers, ICON_X) && LAZYACCESS(modifiers, ICON_Y))
		clickx = clamp(text2num(LAZYACCESS(modifiers, ICON_X)) - 16, -(ICON_SIZE_X/2), ICON_SIZE_X/2)
		clicky = clamp(text2num(LAZYACCESS(modifiers, ICON_Y)) - 16, -(ICON_SIZE_Y/2), ICON_SIZE_Y/2)

	if(!instant)
		to_chat(user, span_notice("You start drawing a [temp] on \the [target]..."))

	if(pre_noise)
		audible_message(span_notice("You hear spraying."))
		playsound(user.loc, 'sound/effects/spray.ogg', 5, TRUE, 5)

	var/wait_time = DRAW_TIME
	if(paint_mode == PAINT_LARGE_HORIZONTAL)
		wait_time *= 3
	if(istagger)
		wait_time *= 0.5

	if(!instant && !do_after(user, wait_time, target = target, max_interact_count = 4))
		return ITEM_INTERACT_BLOCKING

	if(!use_charges(user, cost))
		return ITEM_INTERACT_BLOCKING

	if(length(text_buffer))
		drawing = text_buffer[1]


	var/list/turf/affected_turfs = list(target)

	if(actually_paints)
		var/obj/effect/decal/cleanable/crayon/created_art
		switch(paint_mode)
			if(PAINT_NORMAL)
				created_art = new(target, paint_color, drawing, temp, graf_rot)
				created_art.pixel_x = clickx
				created_art.pixel_y = clicky
			if(PAINT_LARGE_HORIZONTAL)
				var/turf/left = locate(target.x-1,target.y,target.z)
				var/turf/right = locate(target.x+1,target.y,target.z)
				if(isValidSurface(left) && isValidSurface(right))
					created_art = new(left, paint_color, drawing, temp, graf_rot, PAINT_LARGE_HORIZONTAL_ICON)
					affected_turfs += left
					affected_turfs += right
				else
					balloon_alert(user, "no room!")
					return ITEM_INTERACT_BLOCKING
		created_art.add_hiddenprint(user)
		if(istagger)
			created_art.AddElement(/datum/element/art, GOOD_ART)
		else
			created_art.AddElement(/datum/element/art, BAD_ART)

	if(!instant)
		to_chat(user, span_notice("You finish drawing \the [temp]."))
	else
		to_chat(user, span_notice("You spray a [temp] on \the [target.name]"))

	if(length(text_buffer) > 1)
		text_buffer = copytext(text_buffer, length(text_buffer[1]) + 1)
		SStgui.update_uis(src)

	if(post_noise)
		audible_message(span_hear("You hear spraying."))
		playsound(user.loc, 'sound/effects/spray.ogg', 5, TRUE, 5)

	var/fraction = min(1, . / reagents.maximum_volume)
	if(affected_turfs.len)
		fraction /= affected_turfs.len
	if (expose_turfs)
		for(var/turf/draw_turf as anything in affected_turfs)
			reagents.expose(draw_turf, methods = TOUCH, volume_modifier = volume_multiplier)
	check_empty(user)
	return ITEM_INTERACT_SUCCESS

/obj/item/toy/crayon/interact_with_atom(atom/interacting_with, mob/living/user, list/modifiers)
	if (!check_allowed_items(interacting_with))
		return NONE

	if(can_use_on(interacting_with, user, modifiers))
		return use_on(interacting_with, user, modifiers)
	return NONE

/obj/item/toy/crayon/get_writing_implement_details()
	return list(
		interaction_mode = MODE_WRITING,
		font = CRAYON_FONT,
		color = paint_color,
		use_bold = TRUE,
	)

/obj/item/toy/crayon/red
	name = "red crayon"
	icon_state = "crayonred"
	paint_color = COLOR_CRAYON_RED
	crayon_color = "red"
	reagent_contents = list(/datum/reagent/consumable/nutriment = 0.5, /datum/reagent/colorful_reagent/powder/red/crayon = 1.5)
	dye_color = DYE_RED

/obj/item/toy/crayon/orange
	name = "orange crayon"
	icon_state = "crayonorange"
	paint_color = COLOR_CRAYON_ORANGE
	crayon_color = "orange"
	reagent_contents = list(/datum/reagent/consumable/nutriment = 0.5, /datum/reagent/colorful_reagent/powder/orange/crayon = 1.5)
	dye_color = DYE_ORANGE

/obj/item/toy/crayon/yellow
	name = "yellow crayon"
	icon_state = "crayonyellow"
	paint_color = COLOR_CRAYON_YELLOW
	crayon_color = "yellow"
	reagent_contents = list(/datum/reagent/consumable/nutriment = 0.5, /datum/reagent/colorful_reagent/powder/yellow/crayon = 1.5)
	dye_color = DYE_YELLOW

/obj/item/toy/crayon/green
	name = "green crayon"
	icon_state = "crayongreen"
	paint_color = COLOR_CRAYON_GREEN
	crayon_color = "green"
	reagent_contents = list(/datum/reagent/consumable/nutriment = 0.5, /datum/reagent/colorful_reagent/powder/green/crayon = 1.5)
	dye_color = DYE_GREEN

/obj/item/toy/crayon/blue
	name = "blue crayon"
	icon_state = "crayonblue"
	paint_color = COLOR_CRAYON_BLUE
	crayon_color = "blue"
	reagent_contents = list(/datum/reagent/consumable/nutriment = 0.5, /datum/reagent/colorful_reagent/powder/blue/crayon = 1.5)
	dye_color = DYE_BLUE

/obj/item/toy/crayon/purple
	name = "purple crayon"
	icon_state = "crayonpurple"
	paint_color = COLOR_CRAYON_PURPLE
	crayon_color = "purple"
	reagent_contents = list(/datum/reagent/consumable/nutriment = 0.5, /datum/reagent/colorful_reagent/powder/purple/crayon = 1.5)
	dye_color = DYE_PURPLE

/obj/item/toy/crayon/black
	name = "black crayon"
	icon_state = "crayonblack"
	paint_color = COLOR_CRAYON_BLACK
	crayon_color = "black"
	reagent_contents = list(/datum/reagent/consumable/nutriment = 0.5, /datum/reagent/colorful_reagent/powder/black/crayon = 1.5)
	dye_color = DYE_BLACK

/obj/item/toy/crayon/white
	name = "stick of chalk"
	desc = "A stark-white stick of chalk."
	icon_state = "crayonwhite"
	paint_color = COLOR_WHITE
	crayon_color = "white"
	reagent_contents = list(/datum/reagent/consumable/nutriment = 0.5,  /datum/reagent/colorful_reagent/powder/white/crayon = 1.5)
	dye_color = DYE_WHITE

/obj/item/toy/crayon/white/interact_with_atom(atom/interacting_with, mob/living/user, list/modifiers)
	/// Wherein, we draw a chalk body outline vaguely around the dead or "dead" mob
	if(!ishuman(interacting_with) || user.combat_mode)
		return ..()

	var/mob/living/carbon/human/pwned_human = interacting_with

	if(!(pwned_human.stat == DEAD || HAS_TRAIT(pwned_human, TRAIT_FAKEDEATH)))
		balloon_alert_to_viewers("FEEDING TIME")
		return ..()

	balloon_alert_to_viewers("drawing outline...")
	if(!do_after(user, DRAW_TIME, target = pwned_human, max_interact_count = 4))
		return NONE
	if(!use_charges(user, 1))
		return NONE

	var/decal_rotation = GET_LYING_ANGLE(pwned_human) - 90
	var/obj/effect/decal/cleanable/crayon/chalk_line = new(get_turf(pwned_human), paint_color, "body", "chalk outline", decal_rotation, null, "A vaguely [pwned_human] shaped outline of a body.")
	to_chat(user, span_notice("You draw a chalk outline around [pwned_human]."))
	chalk_line.pixel_y = (pwned_human.pixel_y + pwned_human.pixel_z) + rand(-2, 2)
	chalk_line.pixel_x = (pwned_human.pixel_x + pwned_human.pixel_w) + rand(-1, 1)
	return ITEM_INTERACT_SUCCESS

/obj/item/toy/crayon/mime
	name = "mime crayon"
	icon_state = "crayonmime"
	desc = "A very sad-looking crayon."
	paint_color = COLOR_WHITE
	crayon_color = "mime"
	reagent_contents = list(/datum/reagent/consumable/nutriment = 0.5, /datum/reagent/colorful_reagent/powder/invisible = 1.5)
	charges = INFINITE_CHARGES
	dye_color = DYE_MIME

/obj/item/toy/crayon/rainbow
	name = "rainbow crayon"
	icon_state = "crayonrainbow"
	paint_color = COLOR_CRAYON_RAINBOW
	crayon_color = "rainbow"
	reagent_contents = list(/datum/reagent/consumable/nutriment = 0.5, /datum/reagent/colorful_reagent = 1.5)
	drawtype = RANDOM_ANY // just the default starter.
	charges = INFINITE_CHARGES
	dye_color = DYE_RAINBOW

/obj/item/toy/crayon/rainbow/interact_with_atom(atom/interacting_with, mob/living/user, list/modifiers)
	set_painting_tool_color(rgb(rand(0,255), rand(0,255), rand(0,255)))
	return ..()

/*
 * Crayon Box
 */

/obj/item/storage/crayons
	name = "box of crayons"
	desc = "A box of crayons for all your rune drawing needs."
	icon = 'icons/obj/art/crayons.dmi'
	icon_state = "crayonbox"
	w_class = WEIGHT_CLASS_SMALL
	custom_materials = list(/datum/material/cardboard = SHEET_MATERIAL_AMOUNT)
	storage_type = /datum/storage/crayons

/obj/item/storage/crayons/PopulateContents()
	new /obj/item/toy/crayon/red(src)
	new /obj/item/toy/crayon/orange(src)
	new /obj/item/toy/crayon/yellow(src)
	new /obj/item/toy/crayon/green(src)
	new /obj/item/toy/crayon/blue(src)
	new /obj/item/toy/crayon/purple(src)
	new /obj/item/toy/crayon/black(src)
	update_appearance()

/obj/item/storage/crayons/update_overlays()
	. = ..()
	for(var/obj/item/toy/crayon/crayon in contents)
		. += mutable_appearance('icons/obj/art/crayons.dmi', crayon.crayon_color)

/obj/item/storage/crayons/attack_self(mob/user)
	. = ..()
	if(contents.len > 0)
		balloon_alert(user, "too full to fold!")
		return
	if(flags_1 & HOLOGRAM_1)
		return

	var/obj/item/stack/sheet/cardboard/cardboard = new /obj/item/stack/sheet/cardboard(user.drop_location())
	to_chat(user, span_notice("You fold the [src] into cardboard."))
	user.put_in_active_hand(cardboard)
	qdel(src)

//Spraycan stuff

/obj/item/toy/crayon/spraycan
	name = "spray can"
	icon_state = "spraycan"
	worn_icon_state = "spraycan"

	icon_capped = "spraycan_cap"
	icon_uncapped = "spraycan"
	overlay_paint_colour = TRUE
	paint_color = null

	inhand_icon_state = "spraycan"
	lefthand_file = 'icons/mob/inhands/equipment/hydroponics_lefthand.dmi'
	righthand_file = 'icons/mob/inhands/equipment/hydroponics_righthand.dmi'
	desc = "A metallic container containing tasty paint."
	w_class = WEIGHT_CLASS_SMALL
	custom_price = PAYCHECK_CREW * 2.5

	instant = TRUE
	edible = FALSE
	has_cap = TRUE
	is_capped = TRUE
	self_contained = FALSE // Don't disappear when they're empty
	can_change_colour = TRUE

	reagent_contents = list(/datum/reagent/fuel = 1, /datum/reagent/consumable/ethanol = 1)

	pre_noise = TRUE
	post_noise = FALSE
	interaction_flags_click = NEED_DEXTERITY|NEED_HANDS|ALLOW_RESTING

	/// Types which use their color var for additional logic, so we need to avoid using transition filters on them.
	var/static/list/direct_color_types = typecacheof(list(
		/obj/item/paper, // Uses color for TGUI backgrounds, doesn't look very good either
		/obj/item/fish, // Used for aquarium sprites
		/obj/structure/window, // Does not play nice with window tint
	))

/obj/item/toy/crayon/spraycan/Initialize(mapload)
	. = ..()
	var/static/list/slapcraft_recipe_list = list(/datum/crafting_recipe/improvised_coolant)

	AddElement(
		/datum/element/slapcrafting,\
		slapcraft_recipes = slapcraft_recipe_list,\
	)
	register_context()
	register_item_context()

/obj/item/toy/crayon/spraycan/add_context(atom/source, list/context, obj/item/held_item, mob/living/user)
	. = ..()

	if(!user.can_perform_action(src, NEED_DEXTERITY|NEED_HANDS|SILENT_ADJACENCY))
		return .

	if(has_cap)
		context[SCREENTIP_CONTEXT_ALT_LMB] = "Toggle cap"

	return CONTEXTUAL_SCREENTIP_SET

/obj/item/toy/crayon/spraycan/add_item_context(datum/source, list/context, atom/target, mob/living/user)
	. = ..()

	if(!user.can_perform_action(src, NEED_DEXTERITY|NEED_HANDS|SILENT_ADJACENCY))
		return .

	context[SCREENTIP_CONTEXT_LMB] = "Paint"
	context[SCREENTIP_CONTEXT_RMB] = "Coat with paint"

	if(isbodypart(target))
		var/obj/item/bodypart/limb = target
		if(IS_ROBOTIC_LIMB(limb))
			context[SCREENTIP_CONTEXT_LMB] = "Restyle robotic limb"

	return CONTEXTUAL_SCREENTIP_SET

/obj/item/toy/crayon/spraycan/isValidSurface(surface)
	return (isfloorturf(surface) || iswallturf(surface))

/obj/item/toy/crayon/spraycan/suicide_act(mob/living/user)
	var/used = min(charges_left, 10)
	if(is_capped || !actually_paints || !use_charges(user, 10, FALSE))
		user.visible_message(span_suicide("[user] shakes up [src] with a rattle and lifts it to [user.p_their()] mouth, but nothing happens!"))
		user.say("MEDIOCRE!!", forced = "spraycan suicide")
		return SHAME

	user.visible_message(span_suicide("[user] shakes up [src] with a rattle and lifts it to [user.p_their()] mouth, spraying paint across [user.p_their()] teeth!"))
	user.say("WITNESS ME!!", forced = "spraycan suicide")
	if(pre_noise || post_noise)
		playsound(src, 'sound/effects/spray.ogg', 5, TRUE, 5)
	if(can_change_colour)
		set_painting_tool_color(COLOR_SILVER)
	update_appearance()
	if(actually_paints)
		user.AddComponent(/datum/component/face_decal, "spray", EXTERNAL_ADJACENT, paint_color)
	reagents.trans_to(user, used, volume_multiplier, transferred_by = user, methods = VAPOR)
	return OXYLOSS

/obj/item/toy/crayon/spraycan/Initialize(mapload)
	. = ..()
	// If default crayon red colour, pick a more fun spraycan colour
	if(!paint_color)
		set_painting_tool_color(pick(COLOR_CRAYON_RED, COLOR_CRAYON_ORANGE, COLOR_CRAYON_YELLOW, COLOR_CRAYON_GREEN, COLOR_CRAYON_BLUE, COLOR_CRAYON_PURPLE))
	refill()

/obj/item/toy/crayon/spraycan/examine(mob/user)
	. = ..()
	if(charges != INFINITE_CHARGES)
		if(charges_left)
			. += "It's roughly [PERCENT(charges_left/charges)]% full."
		else
			. += "It is empty."
	. += span_notice("Alt-click [src] to [ is_capped ? "take the cap off" : "put the cap on"].")


/obj/item/toy/crayon/spraycan/can_use_on(atom/target, mob/user, list/modifiers)
	if(iscarbon(target))
		return TRUE
	if(is_capped && HAS_TRAIT(target, TRAIT_COMBAT_MODE_SKIP_INTERACTION))
		// specifically don't try to use a capped spraycan on stuff like bags and tables, just place it
		return FALSE
	if(ismob(target) && HAS_TRAIT(target, TRAIT_SPRAY_PAINTABLE))
		return TRUE
	if(isobj(target) && !(target.flags_1 & UNPAINTABLE_1))
		return TRUE
	return ..()

/obj/item/toy/crayon/spraycan/use_on(atom/target, mob/user, list/modifiers)
	if(is_capped)
		balloon_alert(user, "take the cap off first!")
		return ITEM_INTERACT_BLOCKING

	if(check_empty(user))
		return ITEM_INTERACT_BLOCKING

	if (isbodypart(target))
		if (color_limb(target, user))
			return ITEM_INTERACT_SUCCESS

	if(iscarbon(target))
		if(pre_noise || post_noise)
			playsound(user.loc, 'sound/effects/spray.ogg', 25, TRUE, 5)

		if(SEND_SIGNAL(target, COMSIG_CARBON_SPRAYPAINTED, user, src))
			return ITEM_INTERACT_BLOCKING

		var/mob/living/carbon/carbon_target = target
		user.visible_message(span_danger("[user] sprays [src] into the face of [target]!"))
		to_chat(target, span_userdanger("[user] sprays [src] into your face!"))

		if(carbon_target.client)
			carbon_target.set_eye_blur_if_lower(6 SECONDS)
			carbon_target.adjust_temp_blindness(2 SECONDS)
		if(carbon_target.get_eye_protection() <= 0 || carbon_target.is_eyes_covered()) // no eye protection? ARGH IT BURNS. Warning: don't add a stun here. It's a roundstart item with some quirks. added redundancy because gas masks don't give you eye protection
			carbon_target.adjust_jitter(1 SECONDS)
			carbon_target.adjust_eye_blur(0.5 SECONDS)
			flash_color(carbon_target, flash_color=paint_color, flash_time=40)
		if(ishuman(carbon_target) && actually_paints)
			var/mob/living/carbon/human/human_target = carbon_target
			human_target.AddComponent(/datum/component/face_decal, "spray", EXTERNAL_ADJACENT, paint_color)
		use_charges(user, 10, FALSE)
		var/fraction = min(1, . / reagents.maximum_volume)
		reagents.expose(carbon_target, VAPOR, fraction * volume_multiplier)

	else if(actually_paints && target.is_atom_colour(paint_color, min_priority_index = WASHABLE_COLOUR_PRIORITY))
		balloon_alert(user, "[target.p_theyre()] already that color!")
		return ITEM_INTERACT_BLOCKING

	var/saturation_mode = SATURATION_MULTIPLY
	if (LAZYACCESS(modifiers, RIGHT_CLICK))
		saturation_mode = SATURATION_OVERRIDE

	if(ismob(target) && (HAS_TRAIT(target, TRAIT_SPRAY_PAINTABLE)))
		if(actually_paints)
			target.add_atom_colour(color_transition_filter(paint_color, saturation_mode), WASHABLE_COLOUR_PRIORITY)
			SEND_SIGNAL(target, COMSIG_LIVING_MOB_PAINTED)
		use_charges(user, 2, requires_full = FALSE)
		reagents.trans_to(target, ., volume_multiplier, transferred_by = user, methods = VAPOR)

		if(pre_noise || post_noise)
			playsound(user.loc, 'sound/effects/spray.ogg', 5, TRUE, 5)
		user.visible_message(span_notice("[user] coats [target] with spray paint!"), span_notice("You coat [target] with spray paint."))
		return ITEM_INTERACT_SUCCESS

	if(!isobj(target) || (target.flags_1 & UNPAINTABLE_1))
		return ..()

	var/color_is_dark = is_color_dark(paint_color)
	if(!actually_paints)
		if(!(SEND_SIGNAL(target, COMSIG_OBJ_PAINTED, user, src, color_is_dark) & DONT_USE_SPRAYCAN_CHARGES))
			use_charges(user, 2, requires_full = FALSE)
		reagents.trans_to(target, ., volume_multiplier, transferred_by = user, methods = VAPOR)

		if(pre_noise || post_noise)
			playsound(user.loc, 'sound/effects/spray.ogg', 5, TRUE, 5)
		user.visible_message(span_notice("[user] coats [target] with spray paint!"), span_notice("You coat [target] with spray paint."))
		return ITEM_INTERACT_SUCCESS

	if (color_is_dark && saturation_mode == SATURATION_OVERRIDE && !(target.flags_1 & ALLOW_DARK_PAINTS_1))
		to_chat(user, span_warning("A color that dark on an object like this? Surely not..."))
		return ITEM_INTERACT_BLOCKING

	if(istype(target, /obj/item/pipe))
		if(!GLOB.pipe_color_name.Find(paint_color))
			balloon_alert(user, "invalid pipe color!")
			return ITEM_INTERACT_BLOCKING
		var/obj/item/pipe/target_pipe = target
		target_pipe.pipe_color = paint_color
		target.add_atom_colour(paint_color, FIXED_COLOUR_PRIORITY)
		balloon_alert(user, "painted in [GLOB.pipe_color_name[paint_color]] color")
	else if(istype(target, /obj/machinery/atmospherics))
		if(!GLOB.pipe_color_name.Find(paint_color))
			balloon_alert(user, "invalid pipe color!")
			return ITEM_INTERACT_BLOCKING
		var/obj/machinery/atmospherics/target_pipe = target
		target_pipe.paint(paint_color)
		balloon_alert(user, "painted in  [GLOB.pipe_color_name[paint_color]] color")
	else if (is_type_in_typecache(target, direct_color_types))
		target.add_atom_colour(paint_color, WASHABLE_COLOUR_PRIORITY)
	else
		target.add_atom_colour(color_transition_filter(paint_color, saturation_mode), WASHABLE_COLOUR_PRIORITY)

	if(isitem(target) && isliving(target.loc))
		var/obj/item/target_item = target
		var/mob/living/holder = target.loc
		if(holder.is_holding(target_item))
			holder.update_held_items()
		else
			holder.update_clothing(target_item.slot_flags)

	if(!(SEND_SIGNAL(target, COMSIG_OBJ_PAINTED, user, src, color_is_dark) & DONT_USE_SPRAYCAN_CHARGES))
		use_charges(user, 2, requires_full = FALSE)
	reagents.trans_to(target, ., volume_multiplier, transferred_by = user, methods = VAPOR)

	if(pre_noise || post_noise)
		playsound(user.loc, 'sound/effects/spray.ogg', 5, TRUE, 5)
	user.visible_message(span_notice("[user] coats [target] with spray paint!"), span_notice("You coat [target] with spray paint."))
	return ITEM_INTERACT_SUCCESS

/obj/item/toy/crayon/spraycan/proc/color_limb(obj/item/bodypart/limb, mob/living/user)
	if(!IS_ROBOTIC_LIMB(limb))
		return FALSE

	var/list/skins = list()
	var/static/list/style_list_icons = list(
		"standard" = 'icons/mob/augmentation/augments.dmi',
		"engineer" = 'icons/mob/augmentation/augments_engineer.dmi',
		"security" = 'icons/mob/augmentation/augments_security.dmi',
		"mining" = 'icons/mob/augmentation/augments_mining.dmi',
		)

	for(var/skin_option in style_list_icons)
		var/image/part_image = image(icon = style_list_icons[skin_option], icon_state = "[limb.limb_id]_[limb.body_zone]")
		if(limb.aux_zone) //Hands
			part_image.overlays += image(icon = style_list_icons[skin_option], icon_state = "[limb.limb_id]_[limb.aux_zone]")
		skins += list("[skin_option]" = part_image)
	var/choice = show_radial_menu(user, src, skins, require_near = TRUE)
	if(choice && (use_charges(user, 5, requires_full = FALSE)))
		playsound(user.loc, 'sound/effects/spray.ogg', 5, TRUE, 5)
		limb.change_appearance(style_list_icons[choice], greyscale = FALSE)
	return TRUE

/obj/item/toy/crayon/spraycan/click_alt(mob/user)
	if(!has_cap)
		return CLICK_ACTION_BLOCKING
	is_capped = !is_capped
	balloon_alert(user, is_capped ? "capped" : "cap removed")
	update_appearance()
	return CLICK_ACTION_SUCCESS

/obj/item/toy/crayon/spraycan/update_icon_state()
	icon_state = is_capped ? icon_capped : icon_uncapped
	return ..()

/obj/item/toy/crayon/spraycan/update_overlays()
	. = ..()
	if(overlay_paint_colour)
		var/mutable_appearance/spray_overlay = mutable_appearance('icons/obj/art/crayons.dmi', "[is_capped ? "spraycan_cap_colors" : "spraycan_colors"]")
		spray_overlay.color = paint_color
		. += spray_overlay

/obj/item/toy/crayon/spraycan/borg
	name = "cyborg spraycan"
	desc = "A metallic container containing shiny synthesised paint."
	charges = INFINITE_CHARGES

/obj/item/toy/crayon/spraycan/borg/use_charges(mob/user, amount = 1, requires_full = TRUE, override_infinity = FALSE)
	if(!iscyborg(user))
		to_chat(user, span_notice("How did you get this?"))
		qdel(src)
		return FALSE

	var/mob/living/silicon/robot/borgy = user
	// 25 is our cost per unit of paint, making it cost 25 energy per
	// normal tag, 50 per window, and 250 per attack
	if(!borgy.cell?.use(amount * 25))
		return FALSE
	return ..()


/obj/item/toy/crayon/spraycan/hellcan
	name = "hellcan"
	desc = "This spraycan doesn't seem to be filled with paint..."
	icon_state = "deathcan2_cap"
	icon_capped = "deathcan2_cap"
	icon_uncapped = "deathcan2"
	overlay_paint_colour = FALSE

	volume_multiplier = 25
	actually_paints = FALSE
	expose_turfs = TRUE
	charges = 100
	reagent_contents = list(/datum/reagent/clf3 = 1)
	paint_color = COLOR_BLACK

/obj/item/toy/crayon/spraycan/hellcan/isValidSurface(surface)
	return isfloorturf(surface)

/obj/item/toy/crayon/spraycan/lubecan
	name = "slippery spraycan"
	desc = "You can barely keep hold of this thing."
	icon_state = "clowncan2_cap"
	icon_capped = "clowncan2_cap"
	icon_uncapped = "clowncan2"
	overlay_paint_colour = FALSE

	reagent_contents = list(/datum/reagent/lube = 1, /datum/reagent/consumable/banana = 1)
	volume_multiplier = 5
	expose_turfs = TRUE

/obj/item/toy/crayon/spraycan/lubecan/isValidSurface(surface)
	return isfloorturf(surface)

/obj/item/toy/crayon/spraycan/mimecan
	name = "silent spraycan"
	desc = "Art is best seen, not heard."
	icon_state = "mimecan_cap"
	icon_capped = "mimecan_cap"
	icon_uncapped = "mimecan"
	overlay_paint_colour = FALSE

	can_change_colour = FALSE
	paint_color = COLOR_WHITE //RGB

	pre_noise = FALSE
	post_noise = FALSE
	reagent_contents = list(/datum/reagent/consumable/nothing = 1, /datum/reagent/toxin/mutetoxin = 1)

/obj/item/toy/crayon/spraycan/infinite
	name = "infinite spraycan"
	charges = INFINITE_CHARGES
	desc = "Now with 30% more bluespace technology."

/obj/item/toy/crayon/spraycan/roboticist
	name = "roboticist spraycan"
	desc = "Paint for restyling unattached robotic limbs. Sadly doesn't shine like chrome."
	icon_state = "robocan"
	icon_capped = "robocan_cap"
	icon_uncapped = "robocan"

#undef RANDOM_GRAFFITI
#undef RANDOM_LETTER
#undef RANDOM_PUNCTUATION
#undef RANDOM_SYMBOL
#undef RANDOM_DRAWING
#undef RANDOM_NUMBER
#undef RANDOM_ORIENTED
#undef RANDOM_RUNE
#undef RANDOM_ANY

#undef AVAILABLE_SPRAYCAN_SPACE

#undef PAINT_NORMAL
#undef PAINT_LARGE_HORIZONTAL
#undef PAINT_LARGE_HORIZONTAL_ICON

#undef INFINITE_CHARGES
#undef DRAW_TIME