Moduł:a tergo

local p = {}

function p.reverse( text )
	if type( text ) == 'table' and text == mw.getCurrentFrame() then
		text = text.args[ 1 ]
	end
	
	assert( type( text ) == 'string' )
	local s = {}

	for codepoint in mw.ustring.gcodepoint( text ) do
		table.insert( s, 1, mw.ustring.char( codepoint ) )
	end
	
	return table.concat( s )
end

function p.categorize( language, title )
	local categoryPage = mw.title.makeTitle(
		mw.site.namespaces[ 14 ].name, -- Kategoria:
		language .. ' (indeks a tergo)'
	)
	
	if not categoryPage.exists then
		return ''
	end
	
	return mw.ustring.format( '[[%s|%s]]',
		categoryPage.fullText,
		mw.ustring.lower( p.reverse( title ) )
	)
end

return p