Module:Jcon/documentation

require('strict')

local p = {}
local data = mw.loadData('Module:Jcon/data')

-- Generates a list of supported regions
function p.supported(frame)
	local reverseAliases = {}
	local entries = {}
	local list = mw.html.create('ul') -- Create output list element

	for alias, name in pairs(data.aliases) do -- Reverse the alias table to allow lookup by name
		if not reverseAliases[name] then
			reverseAliases[name] = {}
		end
		
		table.insert(reverseAliases[name], alias)
	end

	for name, info in pairs(data.types) do -- Create tables for each region
		if reverseAliases[name] then
			for _, alias in ipairs(reverseAliases[name]) do
				name = name .. ' / ' .. alias -- Add alias to list item
			end
		end
		
		list:tag('li'):wikitext(name, ' ', '(' .. info.prefix .. ' ' .. info.type .. ')')
	end
		
	for sign, wikitext in pairs(data.signs) do
		if reverseAliases[sign] then
			for _, alias in ipairs(reverseAliases[sign]) do
				sign = sign .. ' / ' .. alias -- Add alias to list item
			end
		end
		
		list:tag('li'):wikitext(sign, ' ', wikitext)
	end

	return tostring(list)
end

return p