local benchmark = {}
local origArgs

function has_arg(name)
	-- The argument can exist and be empty or not exist at all
	return string.len(origArgs[name] or '') > 0
end

function arg(name)
	return origArgs[name]
end

function single_entry(box, argn)
	if has_arg(argn) then
		box:tag('div'):attr('style', 'min-width: 250px; display: inline-block;'):wikitext("'''" .. argn .. ":''' " .. arg(argn))
	end
end

function benchmark.benchmark(frame)

    if frame == mw.getCurrentFrame() then
        origArgs = frame:getParent().args
    else
        origArgs = frame
    end

    local benchmarkbox = mw.html.create('div')

    benchmarkbox
        :attr('style', 'background:#f9f9f9; margin: 10px 2px 10px 2px; padding: 5px; border: 1px solid #a7d7f9;')
        
    if not has_arg('type') then
    	return "* ERROR: '''WRONG <code>type</code> parameter!'''"	
	end
	
	if arg('type') == 'spec' then
		return 	benchmark.spec(benchmarkbox)
	end
   
   return benchmarkbox     
end


function benchmark.spec(box)
	
	if has_arg('SPECspeed2017_int_base') or has_arg('SPECspeed2017_int_peak')
	or has_arg('SPECspeed2017_fp_base') or has_arg('SPECspeed2017_fp_peak')
	or has_arg('SPECrate2017_int_base') or has_arg('SPECrate2017_int_peak')
	or has_arg('SPECrate2017_fp_base') or has_arg('SPECrate2017_fp_peak') then
		box:wikitext('[[Category:microprocessor models with spec cpu2017 benchmarks]]')

		box:tag('span'):attr('style', 'float: right;'):wikitext(
			"'''Test:''' [[spec/cpu2017|SPEC CPU2017]]<br>" ..
			"'''Tested:''' " .. '[' .. arg('test_link') .. ' ' .. arg('test_timestamp') .. ']<br>' ..
			"'''Chips:''' " .. arg('chip_count') .. "<br>" ..
			"'''Cores:''' " .. arg('core_count') .. "<br>" ..
			"'''Copies:''' " .. arg('copies_count')
		)
	end
    
    box:tag('div'):attr('style', 'vertical-align: middle;')
    			:wikitext("[[File:benchmarks.svg|64px|link=|left]] '''Vendor:''' " ..
    				arg('vendor') .. "<br>'''System:''' " .. arg('system'))
    			
	b = box:tag('div'):attr('style', 'padding: 10px; margin: 0;')
   
   single_entry(b, 'SPECspeed2017_int_base')
   single_entry(b, 'SPECspeed2017_int_peak')
   single_entry(b, 'SPECspeed2017_fp_base')
   single_entry(b, 'SPECspeed2017_fp_peak')
   single_entry(b, 'SPECrate2017_int_base')
   single_entry(b, 'SPECrate2017_int_peak')
   single_entry(b, 'SPECrate2017_fp_base')
   single_entry(b, 'SPECrate2017_fp_peak')
   
   return box
end


return benchmark