CI multiple choice questions

Documentation for this module may be created at doc

local p = {}

local function trim(s)
	--return mw.ustring.gsub(mw.ustring.gsub(s, '%s', ' '), '^%s*(.-)%s*$', '%1')
	return mw.ustring.gsub(s, '^%s*(.-)%s*$', '%1')
end


local function firstChar(s)
	return string.sub(s, 1, 1)
end


local function tablelength(T)
  local count = 0
  for _ in pairs(T) do count = count + 1 end
  return count
end

function p.fn(frame)


	local origArgs = (type(frame.getParent) == 'function') and frame:getParent().args or frame
    
 
	local args = {}
	for k, v in pairs(origArgs) do
		if v ~= '' then
			args[k] = v
			--mw.log(v)
		end
	end
	
		
		
	local tbl = mw.html.create('div')
	tbl:addClass('ci_multiple_choice_questions')
	
	-- toccolours mw-collapsible mw-collapsed
	-- mw-collapsible-content
	
	 mw.log('args')
    mw.log(args)

	
	--local rows = math.ceil(table.getn(args) / 2)
--local rows = math.ceil(origArgs / 2)
	local rows =  tablelength(args)
mw.log('rows')
mw.log(rows)



	for i = 1, rows do
		local str = trim(args[i] or '')
mw.log(str)
		if str ~= '' then
			
			lines = {}
			for s in str:gmatch("[^\n]+") do
    			--table.insert(lines, s)
    			lines[#lines+1] = s
			end
				
			--local lines = mw.text.split(str,"\n")
				
			local rows_ =  tablelength(lines)
			
			
			local section = tbl:tag('div')
			section:addClass('ci_multiple_choice_questions_section')
			
			local list_element

			for k, value in pairs(lines) do
				
				value = trim(value)
				
				mw.log('k')
				mw.log(k)
				
				mw.log('value')
				mw.log(value)
				
				
				
				
				if k == 1 then
					question = section:tag('div')
					question:addClass('ci_multiple_choice_questions_question')
					question:wikitext(value)
					
					list_element = section:tag('ul')
					list_element:addClass('ci_multiple_choice_questions_answers')
				end
				
				
				if k > 1 then 
	
					local first_char = firstChar(value)
	
mw.log('first_char')
mw.log(first_char)
					local str_ = trim(string.sub(value, 2))
					
mw.log('str_')
mw.log(str_)

					local answer = list_element:tag('li')
					--local input = item_content:tag('input')
					--input:addClass('ci_multiple_choice_questions_input')
					--input:attr('type','radio')
					
					answer:wikitext(str_)
				
				end
				
			end
			
			
		end
	
		
	end
	
	--return "{{CI_noparse_isHTML:" .. tostring(tbl) .. "}}"
	return tostring(tbl)

end
--=p.fn({["a"]="1",["b"]="2",["c"]="3"})
-- =p.fn({"a","b","c"})
-- =p.fn({"a","b","c","d","e"})
-- =p.fn({"question 1 \n - answer 1 \n - answer 2 ","question 2 \n - answer 1 \n - answer 2 \n + answer 3"})
return p