Module documentation
This Lua module is used primarily on pages in the Main namespace. It can be found on 2,428 pages, or on about 60.61% of those pages.
Edits to this Lua module will be widely noticed. To avoid large-scale disruption and unnecessary server load, any changes to this Lua module should be tested in its sandbox or testcases subpages. The tested changes can then be added to this page in one single edit.
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This module implements {{Card}}.

To update, see: Module:CentralData.

local p = {}

local lib = require('Module:Feature')
local ne = lib.isNotEmpty
local TemplateData = require('Module:TemplateData')
local array = require('Module:Array')

local allData = {
	-- Neighbor
	{'Neighbor', mw.loadData('Module:CentralData/Neighbors')},

	-- Creatures
	{'Fish', mw.loadData('Module:CentralData/Aquatic Creatures')},
	{'Insect', mw.loadData('Module:CentralData/Land Creatures')},
	{'Shore-Dweller', mw.loadData('Module:CentralData/Shore-Dwellers')},

	-- Furniture
	{'Furniture', mw.loadData('Module:CentralData/Furniture')},

	-- Items
	{'Item', mw.loadData('Module:CentralData/Items')},
	{'Dish', mw.loadData('Module:CentralData/Dishes')},
	{'Crop', mw.loadData('Module:CentralData/Crops')},
	{'Tool', mw.loadData('Module:CentralData/Tools')},

	-- Clothing
	{'Clothing', mw.loadData('Module:CentralData/Clothing')},
	{'Styling', mw.loadData('Module:CentralData/Styling')},

	-- Other
	{'Title', mw.loadData('Module:CentralData/Titles')},
	{'Reaction', mw.loadData('Module:CentralData/Reactions')},
	{'Set', mw.loadData('Module:CentralData/Sets')},

	-- Redirects
	{'Redirect', mw.loadData('Module:CentralData/Redirects')},
}

local CARD_ARGS = {
	{
		name = 'name',
		alias = 1,
		default = 'Unknown',
	},
	{
		name = 'label',
		alias = {2, 'text', 'count', 'amount', 'x'},
	},
	{
		name = 'show_label',
		alias = 'show_text',
		type = '1',
	},
	{
		name = 'quality',
		alias = 'rarity',
		default = 'Gray',
	},
	{
		name = 'type',
	},
	{
		name = 'split',
	},
	{
		name = 'suffix',
		default = '',
	},
	{
		name = 'image',
	},
	{
		name = 'image_size',
		alias = {'imageSize', 'size'},
	},
	{
		name = 'image_ext',
		alias = {'imageExt', 'ext', 'extension'},
		default = 'png',
	},
	{
		name = 'link',
	},
	{
		name = 'link_suffix',
		default = '',
	},
	{
		name = 'no_link',
		type = '1',
	},
	{
		name = 'caption',
	},
	{
		name = 'show_caption',
		type = '1',
	},
	{
		name = 'caption_width',
		alias = 'captionWidth',
	},
	{
		name = 'mini',
		type = '1',
	},
	{
		name = 'first',
		type = '1',
	},
	{
		name = 'up',
		alias = 'UP',
		type = '1',
	},
	{
		name = 'galaxy',
	},
	{
		name = 'notice',
	},
}

function p.main(frame)
	local args = require('Module:Arguments').getArgs(frame, {
		wrapper = {'Template:Card'},
		parentOnly = false
	})

	return p._main(args)
end

function p.getTypeAndData(name, requestedType)
	local img_type = requestedType or 'Item'
	local img_data = nil

	for _, v in ipairs(allData) do
		local dataType = v[1]
		local dataTable = v[2]

		if lib.isEmpty(requestedType) or dataType == requestedType then
			local data = dataTable[name]

			if data then
				img_type = dataType
				img_data = data
				break
			end
		end
	end

	return img_type, img_data
end

local function normalizeBool(value)
	return value == true or value == '1' or value == 1 or value == 'yes'
end

local function normalizeClassName(value)
	return tostring(value or '')
		:lower()
		:gsub('%s+', '-')
end

local function normalizeQuality(quality)
	quality = tostring(quality or '')

	if quality:find(';', 1, true) then
		quality = array._main({
			quality,
			';',
			firstItemOnly = 1
		})
	end

	if lib.isEmpty(quality) then
		quality = 'Gray'
	end

	return normalizeClassName(quality)
end

local function stripLinkPrefix(value)
	value = tostring(value or '')

	-- Converts "Luca: Myriad Meadows" to "Myriad Meadows".
	return mw.text.trim(value:gsub('^.-:%s*', '', 1))
end

local function setCaptionWidth(node, width)
	if width == 'auto' or lib.isEmpty(width) then
		node:addClass('auto-width')
	else
		node:css('width', width)
	end
end

-- Generates the second icon for a split card.
local function makeSplitIcon(name, mini)
	name = tostring(name or '')

	local size = mini and 74 or 56

	return '[[File:' ..
		lib.sanitizeFileName(name) ..
		' Icon.png|' ..
		size .. 'x' .. size ..
		'px|link=' ..
		name ..
		']]'
end

function p._processArgs(args)
	local out = TemplateData.processArgs(args, CARD_ARGS)

	-- Basic identity
	out.name = out.name or 'Unknown'
	out.split = out.split or ''

	-- Use only a manually supplied type for lookup.
	local requestedType = out.nonDefaults
		and out.nonDefaults.type
		or nil

	out.type, out.data = p.getTypeAndData(
		out.name,
		requestedType
	)

	-- Base name for assets.
	-- Removes a trailing disambiguation such as "(Currency)".
	out.image_name = out.name:gsub('%s*%([^()]*%)$', '')

	-- Boolean parameters
	out.mini = normalizeBool(out.mini)
	out.first = normalizeBool(out.first)
	out.up = normalizeBool(out.up)
	out.no_link = normalizeBool(out.no_link)
	out.show_label = normalizeBool(out.show_label)
	out.show_caption = normalizeBool(out.show_caption)

	-- Image defaults
	out.suffix = out.suffix or ''
	out.image_ext = out.image_ext or 'png'

	if lib.isEmpty(out.image_size) then
		out.image_size = out.mini and 48 or 70
	end

	if lib.isEmpty(out.suffix) then
		out.suffix = ' Icon'
	end

	-- Data-driven defaults
	if out.data then
		if out.data.name then
			out.defaults.label = out.data.name
			out.defaults.caption = out.data.name
		end

		if out.data.title then
			out.defaults.caption = out.data.title
		end

		if out.data.quality then
			out.defaults.quality = out.data.quality

			if not (out.nonDefaults and out.nonDefaults.quality) then
				out.quality = out.data.quality
			end
		end

		if out.data.galaxy then
			out.defaults.galaxy = out.data.galaxy

			if not (out.nonDefaults and out.nonDefaults.galaxy) then
				out.galaxy = out.data.galaxy
			end
		end
	end

	-- Quality / rarity
	out.quality = normalizeQuality(out.quality)

	-- Label handling
	if out.show_label then
		out.label = out.data
			and (out.data.name or out.data.title)
			or out.name
	end

	if out.label == '0' then
		out.label = nil
	end

	-- Type-specific behavior
	local lcType = tostring(out.type or ''):lower()

	if lcType == 'neighbor' then
		if lib.isEmpty(out.label) then
			if out.mini and out.data and out.data.shortName then
				out.label = out.data.shortName
			elseif not out.mini then
				out.label = out.name
			end
		end

		if tonumber(out.image_size) then
			out.image_size = tonumber(out.image_size) + 2
		end
	end

	if lcType == 'redirect' then
		out.defaults.link = stripLinkPrefix(out.name)

		if not (out.nonDefaults and out.nonDefaults.link) then
			out.link = stripLinkPrefix(out.name)
		end
	end

	-- Caption defaults
	if out.show_caption and lib.isEmpty(out.caption) then
		if out.data then
			out.caption = out.data.title
				or out.data.name
				or out.name
		else
			out.caption = out.name
		end
	end

	-- Link handling
	if out.link == nil then
		out.link = lib.ternary(
			out.name == 'Unknown',
			'',
			out.name
		)
	end

	out.link_suffix = out.link_suffix or ''
	out.final_link = out.link .. out.link_suffix

	if out.no_link then
		out.final_link = ''
	end

	-- Main image filename
	if ne(out.image) then
		out.final_file = out.image
	else
		out.final_file =
			lib.sanitizeFileName(out.image_name) ..
			out.suffix ..
			'.' ..
			out.image_ext
	end

	-- Main image wikitext
	local linkPart = out.no_link
		and '|link='
		or ('|link=' .. out.final_link)

	out.image_wikitext = table.concat({
		'[[File:',
		out.final_file,
		'|',
		out.image_size,
		'px|alt=',
		out.data and (out.data.name or out.data.title)
			or out.name,
		linkPart,
		']]'
	})

	return out
end

function p._main(args)
	local a = p._processArgs(args)
	local isSplit = ne(a.split)

	-- Outer container
	local node_container = mw.html.create('div')
		:addClass('card-container')

	if isSplit then
		node_container:addClass('card-split-card')
	end

	if a.mini then
		node_container:addClass('mini-card')
	end

	-- Wrapper and body
	local node_card = node_container:tag('span')
		:addClass('card-wrapper')
		:tag('span')
			:addClass('card-body')

	-- Galaxy class on body
	if not a.mini and ne(a.galaxy) then
		node_card:addClass(
			'card-galaxy-' .. normalizeClassName(a.galaxy)
		)
	end

	-- Main image container
	local imageContainer = node_card:tag('span')
		:addClass('card-image-container')
		:addClass('card-quality-' .. a.quality)

	-- Split or regular image
	if isSplit then
		imageContainer:addClass('card-split-image')

		-- First item: top-left half
		imageContainer:tag('span')
			:addClass('card-split-half')
			:addClass('card-split-half-a')
			:wikitext(a.image_wikitext)

		-- Second item: bottom-right half
		imageContainer:tag('span')
			:addClass('card-split-half')
			:addClass('card-split-half-b')
			:wikitext(makeSplitIcon(a.split, a.mini))
	else
		imageContainer:wikitext(a.image_wikitext)
	end

	-- Galaxy icon
	if not a.mini and ne(a.galaxy) then
		node_card:tag('span')
			:addClass('card-icon-galaxy')
			:wikitext(
				'[[File:' ..
				a.galaxy ..
				' Icon.png|alt=' ..
				a.galaxy ..
				'|link=' ..
				a.galaxy ..
				'|20px]]'
			)
	end

	-- Notice label
	if not a.mini and ne(a.notice) then
		node_card:tag('span')
			:addClass('card-notice-label')
			:wikitext(a.notice)
	end

	-- First modifier
	if a.first then
		node_card:tag('span')
			:addClass('card-modifier')
			:addClass('card-modifier-first')
			:wikitext(
				'[[File:Icon Item First.png|x25px|link=|alt=First]]'
			)
	end

	-- UP modifier
	if a.up then
		node_card:tag('span')
			:addClass('card-modifier')
			:addClass('card-modifier-up')
			:wikitext(
				'[[File:Icon Item UP.png|x25px|link=|alt=UP]]'
			)
	end

	-- Label below the image
	if ne(a.label) then
		node_container:tag('span')
			:addClass('card-label')
			:wikitext(a.label)
	end

	-- Caption
	-- Split captions are opt-in and use spans instead of list items.
	if a.show_caption and isSplit then
		local node_caption = node_container:tag('span')
			:addClass('card-caption')
			:addClass('card-split-caption')

		local list = node_caption:tag('span')
			:addClass('card-split-caption-list')

		list:tag('span')
			:addClass('card-split-caption-item')
			:wikitext('[[' .. a.name .. ']]')

		list:tag('span')
			:addClass('card-split-caption-item')
			:wikitext('[[' .. a.split .. ']]')

		setCaptionWidth(node_caption, a.caption_width)

	elseif a.show_caption and ne(a.caption) then
		local node_caption = node_container:tag('span')
			:addClass('card-caption')

		if a.no_link or lib.isEmpty(a.final_link) then
			node_caption:wikitext(a.caption)
		else
			node_caption:wikitext(
				'[[' .. a.final_link .. '|' .. a.caption .. ']]'
			)
		end

		setCaptionWidth(node_caption, a.caption_width)
	end

	return tostring(node_container)
end

function p.templateData(frame)
	return TemplateData.templateData(CARD_ARGS, {
		description = 'Creates an item-style card with image, quality, label, split images, modifiers, and optional data-driven icons.',
		format = 'inline'
	}, frame)
end

function p.syntax(frame)
	return TemplateData.syntax(CARD_ARGS, frame)
end

return p