local uarch = {}

function add_header_main(box, str)
      box
        :tag('tr')
          :tag('td')
            :attr('class', 'header-main')
            :attr('colspan', '2')
            :wikitext(str)
end
function add_header(box, str)
      box
        :tag('tr')
          :tag('td')
            :attr('class', 'header')
            :attr('colspan', '2')
            :wikitext(str)
end
function add_entry(box, label, value)
      local tag = box:tag('tr')
      
      tag:tag('td')
        :attr('class', 'label')
        :wikitext(label)
        
      tag:tag('td')
        :attr('class', 'value')
        :wikitext(value)
end

function uarch.uarch(frame)
    local infobox = mw.html.create('table')

    infobox
        :attr('class', 'infobox')
        
    -- header
    if string.len(frame.args.name or '') == 0 then return 'ERROR: "name" is missing!' end
	add_header_main(infobox, '[[codename::' .. frame.args.name .. '| ]][[name::' .. frame.args.name .. ']] µarch')

	add_header(infobox, 'General Info')

    -- arch type
    if string.len(frame.args.atype or '') == 0 then return 'ERROR: "atype" is missing!' end
	add_entry(infobox, 'Arch Type', frame.args.atype ..
		'[[microarchitecture type::' .. frame.args.atype .. '| ]]' ..
		'[[Category:' .. string.lower(frame.args.atype) .. ' microarchitectures by ' .. string.lower(frame.args.designer) .. ']]')

	-- designer
    if string.len(frame.args.designer or '') == 0 then return 'ERROR: "designer" is missing!' end
    local devs
    
    devs = '[[designer::' .. string.lower(frame.args.designer) .. '| ]]' .. frame.args.designer
    devs = devs .. '[[Category:microarchitectures by ' .. string.lower(frame.args.designer) .. ']]'
    
    for i = 2, 10 do
    	if string.len(frame.args['designer_' .. i] or '') == 0 then break end
    	devs = devs .. ', [[designer::' .. string.lower(frame.args['designer_' .. i]) .. '| ]]' ..
    			frame.args.designer ..
	    		'[[Category:microarchitectures by ' .. string.lower(frame.args['designer_' .. i]) .. ']]'
	end
	add_entry(infobox, 'Designer', devs)
	
	
	-- manufacturer
    if string.len(frame.args.manufacturer or '') == 0 then return 'ERROR: "manufacturer" is missing!' end
    local devs
    
    devs = '[[manufacturer::' .. string.lower(frame.args.manufacturer) .. '| ]]'
    		.. frame.args.manufacturer
    
    for i = 2, 10 do
    	if string.len(frame.args['manufacturer_' .. i] or '') == 0 then break end
    	devs = devs .. ', [[manufacturer::' .. string.lower(frame.args['manufacturer_' .. i]) .. '| ]]'
    			.. frame.args['manufacturer_' .. i]
	end
	add_entry(infobox, 'Manufacturer', devs)
	
    -- intro
    if string.len(frame.args.introduction or '') > 0 then
		add_entry(infobox, 'Introduction', '[[first launched::' .. frame.args.introduction .. ']]')
	end
	
    -- phase-out
    if string.len(frame.args.phase_out or '') > 0 then
		add_entry(infobox, 'Phase-out', '[[phase-out::' .. frame.args.phase_out .. ']]')
	end
	
	
	
	-- manufacturer
    if string.len(frame.args.process or '') > 0 then
	    local proc
	    
	    proc = '[[process::' .. frame.args.process .. '| ]]' .. frame.args.manufacturer
	    
	    for i = 2, 10 do
	    	if string.len(frame.args['process_' .. i] or '') == 0 then break end
	    	proc = proc .. ', [[process::' ..frame.args['process_' .. i] .. '| ]]'
	    			.. frame.args['manufacturer_' .. i]
		end
		add_entry(infobox, 'Process', proc)
	end
	
	return infobox
end

return uarch