Module:Lang

Documentation for this module may be created at Module:Lang/doc

local p = {}

function get_lang_file(lang_code)
	local file_name = string.format("Data:Lang_%s.json", lang_code)
    local success, data = pcall(mw.loadJsonData, file_name)
    if success then
        return data
    else
        return nil
    end
end

-- Get a localized string by the raw key
p.get_string = function(frame)
	local key = frame.args[1]
	local lang_code_override = frame.args[2]

	local lang_code = lang_code_override
	if (lang_code_override == '') then
    	lang_code = get_lang_code()
	end

	local data = get_lang_file(lang_code)
	if (data == nil) then
		return string.format("Language file for code '%s' not found", lang_code)	
	end
	
	local label = data[key]
	if (label == nil) then 
		return string.format("Key '%s' not found", key) 
	end
	
	return label
end

-- Search for a localized string using its English label
p.search_string = function(frame)
	local key = frame.args[1]
	local lang_code = frame.args[2]
	local data = get_lang_file(lang_code)
end

function get_lang_code()
    local title = mw.title.getCurrentTitle()
    local lang_code = title.fullText:match(".*/(.*)$")
	
	-- if the last part the url is two letters, then it is likely a valid lang code
	if (string.len(lang_code) == 2) then
		return lang_code	
	end
		
	-- default to english if none is found
    return 'en'
end

return p