View source for Module:CreoLink

require( 'strict' )

local iconLink = require( 'Module:IconLink' )
local getOverworldThumbnail = require( 'Module:Creo' ).getOverworldThumbnail

local p = {}

--- Each Creo icon is cropped to its own Creo, so the icons have no common size
--- to ask for: a width would enlarge the small ones. An empty size leaves the
--- parameter out of the file link, which draws every icon at its own dimensions
--- and lets the styles size the box around it.
local ICON_SIZE = ''

local STYLES = 'Module:CreoLink/styles.css'

--- Read a wikitext flag
---
--- Module:Arguments hands these over as strings, so a plain truth test would
--- take 'no' for a yes.
---
--- @param value any
--- @return boolean
local function isTruthy( value )
	if value == nil or value == false then
		return false
	end

	value = mw.text.trim( tostring( value ) ):lower()

	return value ~= '' and value ~= '0' and value ~= 'no' and value ~= 'n'
		and value ~= 'false'
end

--- Wikitext entry point for the module
---
--- @param frame mw.frame
--- @return string
function p.main( frame )
	local getArgs = require( 'Module:Arguments' ).getArgs
	return p._main( getArgs( frame ) )
end

--- Render the Creo link
---
--- Pass inline=yes for the compact variant. A listing gives one Creo a row and
--- can afford the box that keeps every Creo the same size; a party cell reads
--- '<Creo> 80, <Creo> 80' inside a sentence and cannot, so the inline variant
--- keeps to the line height instead.
---
--- @param args table
--- @return string
function p._main( args )
	args = args or {}

	local creoName = args.name or args[1]

	if type( creoName ) ~= 'string' or creoName == '' then
		error( 'No Creo name provided' )
	end

	local classes = {
		isTruthy( args.inline ) and 't-creo-link--inline' or 't-creo-link',
		'cp-image-pixelated'
	}

	if args.class then
		table.insert( classes, args.class )
	end

	return mw.getCurrentFrame():extensionTag {
		name = 'templatestyles', args = { src = STYLES }
	} .. iconLink._main( {
		icon = getOverworldThumbnail( creoName ),
		link = args.link or creoName,
		text = args.text or creoName,
		size = ICON_SIZE,
		class = table.concat( classes, ' ' )
	} )
end

return p