local p = {}

local state_links = {
    ["AL"] = "[[Alabama]]",
    ["AK"] = "[[Alaska]]",
    ["AZ"] = "[[Arizona]]",
    ["AR"] = "[[Arkansas]]",
    ["CA"] = "[[California]]",
    ["CO"] = "[[Colorado]]",
    ["CT"] = "[[Connecticut]]",
    ["DE"] = "[[Delaware]]",
    ["DC"] = "[[Washington, D.C.|District of Columbia]]",
    ["FL"] = "[[Florida]]",
    ["GA"] = "[[Georgia (U.S. state)|Georgia]]",
    ["HI"] = "[[Hawaii]]",
    ["ID"] = "[[Idaho]]",
    ["IL"] = "[[Illinois]]",
    ["IN"] = "[[Indiana]]",
    ["IA"] = "[[Iowa]]",
    ["KS"] = "[[Kansas]]",
    ["KY"] = "[[Kentucky]]",
    ["LA"] = "[[Louisiana]]",
    ["ME"] = "[[Maine]]",
    ["MD"] = "[[Maryland]]",
    ["MA"] = "[[Massachusetts]]",
    ["MI"] = "[[Michigan]]",
    ["MN"] = "[[Minnesota]]",
    ["MS"] = "[[Mississippi]]",
    ["MO"] = "[[Missouri]]",
    ["MT"] = "[[Montana]]",
    ["NE"] = "[[Nebraska]]",
    ["NV"] = "[[Nevada]]",
    ["NH"] = "[[New Hampshire]]",
    ["NJ"] = "[[New Jersey]]",
    ["NM"] = "[[New Mexico]]",
    ["NY"] = "[[New York (state)|New York]]",
    ["NC"] = "[[North Carolina]]",
    ["ND"] = "[[North Dakota]]",
    ["OH"] = "[[Ohio]]",
    ["OK"] = "[[Oklahoma]]",
    ["OR"] = "[[Oregon]]",
    ["PA"] = "[[Pennsylvania]]",
    ["RI"] = "[[Rhode Island]]",
    ["SC"] = "[[South Carolina]]",
    ["SD"] = "[[South Dakota]]",
    ["TN"] = "[[Tennessee]]",
    ["TX"] = "[[Texas]]",
    ["UT"] = "[[Utah]]",
    ["VT"] = "[[Vermont]]",
    ["VA"] = "[[Virginia]]",
    ["WA"] = "[[Washington (state)|Washington]]",
    ["WV"] = "[[West Virginia]]",
    ["WI"] = "[[Wisconsin]]",
    ["WY"] = "[[Wyoming]]"
}

function p._showtable(frame, args)
	local reference_heading = frame:expandTemplate{title = 'Reference column heading'}
	local root = mw.html.create('table')
		:addClass('wikitable sortable')
		:css('line-height', 1.2)
		:css('margin-left', 'auto')
		:css('margin-right', 'auto')
	-- table title
	root:tag('caption'):wikitext('Jurisdictions enacting law to join the National Popular Vote Interstate Compact')
	-- header row
	local row = root:tag('tr')
	row:tag('th'):attr('scope', 'col'):wikitext('No.')
	row:tag('th'):attr('scope', 'col'):wikitext('Jurisdiction')
	row:tag('th'):attr('scope', 'col'):attr('data-sort-type', 'date'):wikitext('Date adopted')
	row:tag('th'):attr('scope', 'col'):attr('class','unsortable'):wikitext('Method of adoption')
	row:tag('th'):attr('scope', 'col'):attr('class','unsortable'):wikitext(reference_heading)
	row:tag('th'):attr('scope', 'col'):wikitext('Current<br/>electoral<br/>votes')
	
	local k = 1
	local EVs = 0
	while args['state' .. k] do
		local seats = args['state' .. k] == 'DC' and 1 or frame:expandTemplate{ title = 'USHRseats', args = {args['state' .. k]}}
		row = root:tag('tr')
		row:tag('th'):attr('scope', 'row'):wikitext(k)
		row:tag('td'):wikitext(state_links[args['state' .. k]] or args['state' .. k])
		row:tag('td'):css('text-align','right'):wikitext(args['date' .. k])
		row:tag('td'):wikitext(args['method' .. k])
		row:tag('td'):css('text-align','center'):wikitext(args['ref' .. k])
		row:tag('td'):css('text-align','center'):wikitext(tonumber(seats) + 2)
		EVs = EVs + tonumber(seats) + 2
		k = k + 1
	end
	
	local percent = frame:expandTemplate{ title = 'percent', args = { EVs, 270, 1} }
	row = root:tag('tr'):addClass('sortbottom')
	row:tag('th'):attr('colspan', 5):css('text-align', 'right'):wikitext('Total')
	row:tag('th'):css('text-align', 'center'):wikitext(EVs)
	row = root:tag('tr'):addClass('sortbottom')
	row:tag('th'):attr('colspan', 5):css('text-align', 'right'):wikitext('Percentage of the 270 EVs needed')
	row:tag('th'):css('text-align', 'center'):wikitext(percent)

	return root
end

function p.main(frame)
	local args = require('Module:Arguments').getArgs(frame)
	return p._showtable(frame, args)
end

return p