local p = {}

function p.main( frame )
	local args
	if frame:getParent().args[ 1 ] then args = frame:getParent().args else args = frame.args end
	local input = ""
	local divider = "|"
	local o = "<table class=\"wikitable sortable\"style=\"border-style:none none none none\"><tr><th colspan=3>Short title<th style=\"min-width:200px;\">Citation<th class=unsortable>[[Royal assent]]<tr class=expand-child><th colspan=5>Long title<tr class=expand-child><th colspan=5 style=\"background:#fff;border-style:none none none none\"><div style=min-height:0.25em></div>"
	local h = {}
	for i = 1, 2 do
		h[ i ] = mw.ustring.char( i + 57343 )
	end
	for i, _ in pairs( args ) do
		input = args[ i ]
		if mw.ustring.find( input, "{{|" ) and mw.ustring.find( input, "}}" ) then
			input = mw.ustring.gsub( input, "%[%[(.*)|(.*)%]%]", "%[%[%1" .. h[ 1 ] .. "%2%]%]" )
			input = mw.ustring.gsub( input, "style=", h[ 2 ] )
			local leg = {}
			local s = ""
			local c = 1
			local par
			input = mw.ustring.sub( input, mw.ustring.find( input, "|" ) + 1)
			while input ~= "" do
				if mw.ustring.find( input, "|" ) then divider = "|" else divider = "}" end
				s = mw.ustring.sub( input, 1, mw.ustring.find( input, divider ) - 1)
				if mw.ustring.find( s, "=" ) then
					par = mw.ustring.sub( s, 1, mw.ustring.find( s, "=" ) - 1)
					leg[ par ] = mw.ustring.sub( s, mw.ustring.find( s, "=" ) + 1)
				else
					par = c
					leg[ c ] = mw.ustring.sub( input, 1, mw.ustring.find( input, divider ) - 1)
					c = c + 1
				end
				leg[ par ] = mw.ustring.gsub( leg[ par ], "%[%[(.*)" .. h[ 1 ] .. "(.*)%]%]", "%[%[%1|%2%]%]")
				leg[ par ] = mw.ustring.gsub( leg[ par ], h[ 2 ], "style=")
				if divider == "|" then input = mw.ustring.sub( input, mw.ustring.find( input, "|" ) + 1) else input = "" end
			end
			o = o .. p.act( leg )
		end
	end
	o = o .. "</table>" .. frame:expandTemplate{ title = "notelist" }
	return o
end

function p.act( args )
	local data = mw.loadData( "Module:Legislationuk/data" )
	local legShortTitle = args[ 1 ] or ""
	local link = args[ "link" ] or ""
	local legNote1 = args[ "note1" ] or ""
	local cyShortTitle = args[ "cyshort" ] or ""
	local legType = args[ 2 ] or ""
	local legNumber = args[ 3 ] or ""
	local legNote2 = args[ "note2" ] or ""
	local legDate = args[ 4 ] or ""
	local legNote3 = args[ "note3" ] or ""
	local maintained = args[ "maintained" ] or ""
	local archived = args[ "archived" ] or ""
	local repealed = args[ "repealed" ] or ""
	local legLongTitle = args[ 5 ] or ""
	local legNote4 = args[ "note4" ] or ""
	local cyLongTitle = args[ "cylong" ] or ""
	local url = args[ "url" ] or ""
	legDate = os.time {day = tonumber( mw.ustring.sub( legDate, 1, 2 ) ), month = tonumber( mw.ustring.sub( legDate, 4, 5 ) ), year = tonumber( mw.ustring.sub( legDate, 7 ) ) }
	local o = "<tr><td colspan=3 style=background:#"
	if repealed == "y" then o = o .. "f2cece;border-color:#bfa3a3" else o = o .. "ececec" end
	o = o .. " data-sort-value=\""
	if mw.ustring.find( legShortTitle, "%(No%..*%d+%)" ) then
		o = o .. mw.ustring.gsub( legShortTitle, "(.*)%(No%..*(%d+)%) (.*)", "%1%3% %2" )
	else
		o = o .. legShortTitle .. " 1\""
	end
	o = o .. "><div style=display:flex;align-items:center;width:42em;max-width:51vw class=box><div style=flex-grow:9>\'\'\'[["
	if link ~= "" then o = o .. link .. "|" end
	o = o .. legShortTitle .. "]]\'\'\'" .. legNote1
	if repealed == "y" then o = o .. " (repealed)" end
	if cyShortTitle ~= "" then o = o .. "<br><span style=font-size:0.975em;font-weight:700;font-style:italic>" .. cyShortTitle .. "</span>" end
	o = o .. "</div><div style=float:right;min-width:"
	if maintained == "y" and archived ~= "n" then o = o .. "4.5" else o = o .. "2.25" end
	o = o .. "em;max-width:"
	if maintained == "y" and archived ~= "n" then o = o .. "4.5" else o = o .. "2.25" end
	o = o .. "em>"
	if maintained == "y" then
		local lt = { [ "public" ] = "ukpga", [ "local" ] = "ukla", [ "private" ] = "ukppa", [ "asp" ] = "asp", [ "asc" ] = "asc", [ "anaw" ] = "anaw", [ "nawm" ] = "mwa", [ "ania" ] = "nia", ["apni"] = "apni", [ "mnia" ] = "mnia", [ "church" ] = "ukcm" }
		if lt[ legType ] and legDate and legNumber then
			local url = "https://www.legislation.gov.uk/" .. lt[ legType ] .. "/" .. os.date( "%Y", legDate ) .. "/" .. legNumber .. "/contents"
			o = o .. "[[File:Legislation.gov.uk External.svg|29x14px|link=" .. url .. "|Act text]]"
		end
	end
	local s
	if maintained == "y" and archived ~= "n" then o = o .. "<wbr>" end
	if archived ~= "n" then
		if legType == "nawm" or legType == "anaw" or legType == "asc" then
			o = o .. "[[File:Library External.svg|26x17px|link=https://archives.library.wales/index.php/" .. url .. "|Act text]]"
		else
			local lt = { [ "public" ] = "PU", [ "local" ] = "PB", [ "personal" ] = "PB", [ "private" ] = "PB", [ "apni" ] = "APNI"}
			if legDate < os.time {day=1, month=1, year=1963} or (legType == "apni" and legDate < os.time {day=1, month=1, year=1943} )  then
				for _, t in ipairs( data ) do
					if legDate >= t.sDate.date and legDate <= t.eDate.date then
						s = t.archive
					end
				end
			end
			local lt2 = { [ "public" ] = legNumber, [ "local" ] = p.roman { legNumber }, [ "personal" ] = legNumber, [ "private" ] = legNumber, [ "asp" ] = legNumber, [ "asc" ] = legNumber, [ "anaw" ] = legNumber, [ "nawm" ] = legNumber, [ "ania" ] = legNumber, [ "apni" ] = legNumber, [ "mnia" ] = legNumber, [ "church" ] = legNumber }
			url = "https://archives.parliament.uk/collections/getrecord/GB61_HL_PO_" .. lt[ legType ] .. "_1_" .. os.date( "%Y", legDate ) .. "_" .. (s or "") .. "c" .. lt2[ legType ]
			o = o .. "[[File:Parliamentary Archives External.svg|27x19px|link=" .. url .. "|Information in the Parliamentary Archives]]"
		end
	end
	o = o .. "</div></div><td "
	if repealed == "y" then o = o .. "style=background:#fff5f5;border-color:#bfa3a3 " end
	o = o .. "data-sort-value="
	if  legType == "apni" and legDate >= os.time{ day = 1, month = 1, year = 1947 } then
		o = o .. os.time{ day = 1, month = 1, year = tonumber (os.date( "%Y", legDate ) ) } + legNumber
	elseif legDate >= os.time{ day = 1, month = 1, year = 1963 } then
		o = o .. os.time{ day = 1, month = 1, year = tonumber (os.date( "%Y", legDate ) ) } + legNumber
	else
		for _, t in ipairs( data ) do
			if tonumber( legDate ) >= tonumber( t.sDate.date ) and tonumber( legDate ) <= tonumber( t.eDate.date ) then
				o = o .. tonumber( t.sDate.date ) + legNumber
			end
		end
	end
	o = o .. "><div style=width:10em;max-width:18vw><span class=nowrap>"
	if legDate < os.time {day=1, month=1, year=1963} or (legType == "apni" and legDate < os.time{ day = 1, month = 1, year = 1947 })  then
		for _, t in ipairs( data ) do
			if tonumber( legDate ) >= tonumber( t.sDate.date ) and tonumber( legDate ) <= tonumber( t.eDate.date ) then
				o = o .. t.citation
			end
		end
	else
		o = o .. os.date( "%Y", legDate )
	end
	local lt = { [ "public" ] = "c. " .. legNumber, [ "local" ] = "c. " .. p.roman { legNumber }, [ "personal" ] = "c. \'\'" .. legNumber .. "\'\'", [ "private" ] = "c. \'\'" .. legNumber .. "\'\'", [ "asp" ] = "asp " .. legNumber, [ "asc" ] = "asc " .. legNumber .. "<br>\'\'" .. os.date( "%Y", legDate ) .. " dsc " .. legNumber .. "\'\'", [ "anaw" ] = "anaw " .. legNumber .. "<br>\'\'" .. os.date( "%Y", legDate ) .. " dccc " .. legNumber .. "\'\'", [ "nawm" ] = "nawm " .. legNumber .. "<br>\'\'" .. os.date( "%Y", legDate ) .. " mccc " .. legNumber .. "\'\'", [ "ania" ] = "c. " .. legNumber .. " (N.I.)", [ "apni" ] = "c. " .. legNumber .." (N.I.)", [ "mnia" ] = "c. " .. legNumber .. " (N.I.)", [ "church" ] = "No. " .. legNumber }
	o = o .. " " .. lt[ legType ] .. legNote2 .. "</span></div><td"
	if repealed == "y" then o = o .. " style=background:#fff5f5;border-color:#bfa3a3" end
	o = o .. "><div style=width:9em;max-width:18vw>" .. os.date("*t", legDate).day .. " " .. os.date("%B %Y", legDate ) .. legNote3 .. "</div><tr class=expand-child><td colspan=5"
	if repealed == "y" then o = o .. " style=background:#fff5f5;border-color:#bfa3a3" end
	o = o .. "><div style=max-width:fit-content"
	if cyLongTitle ~= "" then
		o = o .. " class=box><div style=display:inline-block;padding-right:1%;max-width:49%;vertical-align:top"
	end
	o = o .. ";max-height:9em;overflow:auto>"
	if legLongTitle ~= "" then o = o .. legLongTitle .. legNote4 else o = o .. "&nbsp;" end
	o = o .. "</div>"
	if cyLongTitle ~= "" then
		o = o .. "<div style=display:inline-block;float:right;padding-left:1%;max-width:49%;vertical-align:top;max-height:9em;overflow:auto;font-style:italic>" .. cyLongTitle .. "</div></div>"
	end
	local c = 1
	local n = 0
	local po = args[ "po1" ]
	while po do
		local poIsShortTitle = args[ "po" .. c .. "short" ]
		local poNote1 = args[ "po" .. c .. "note1" ] or ""
		local poYearOffset = args[ "po" .. c .. "year" ] or ""
		local poIsLongTitle = args[ "po" .. c .. "long" ]
		local poLongTitle
		if poIsLongTitle == "n" then
			poLongTitle = ""
			n = n + 1
		else
			poLongTitle = args[ c + 5 - n ]
		end
		local poNote2 = args[ "po" .. c .. "note2" ] or ""
		o = o .. p.po{po, poIsShortTitle, poNote1, poLongTitle, poNote2, poYearOffset, legDate }
		c = c + 1
		po = args[ "po" .. c ]
	end
	o = o .. "<tr class=expand-child><td colspan=5 style=\"border-style:none none none none;background:#fff\"><div style=min-height:.25em></div>"
	return o
end

function p.po( args )
	local frame = mw.getCurrentFrame()
	local o = "<tr class=expand-child><td style=\"background:#fff;width:1em;border-style:none solid none none\">&nbsp;<td style=background:#f5fdff;max-width:61em colspan=4><div"
	if args[ 2 ] ~= "n" then
		o = o .. ">\'\'\'[[" .. args[ 1 ] .. "]]\'\'\'" .. (args[ 3 ] or '')
		if args[ 6 ] == "y" then
			o = o .. frame:extensionTag( "ref", "Although passed in " .. os.date("%Y", args[ 7 ]) .. ", the short title is specified as the " .. args[ 1 ] .. ".", { name = mw.hash.hashValue( "crc32b", args[ 1 ] ), group = "lower-alpha" } )
		end
		if args[ 4 ] and args[ 4 ] ~= "" then
			return o .. "<div style=max-height:7em;overflow:auto>" .. args[ 4 ] .. (args[ 5 ] or '')
		else
			return o
		end
	else
		o = o .. " style=max-height:8.25em;overflow:auto>" .. (args[ 1 ] or '') .. (args[ 3 ] or '')
		return o
	end
end

function p.ordinal( args )
	local ordinal, digit = {"st", "nd", "rd"}, mw.ustring.sub( args, -1 )
	if tonumber( digit ) > 0 and tonumber( digit ) <= 3 and mw.ustring.sub( args, -2 ) ~= 11 and mw.ustring.sub( args, -2 ) ~= 12 and mw.ustring.sub( args, -2 ) ~= 13 then
		return args .. ordinal[ tonumber( digit ) ]
	else
		return args .. "th"
	end
end

function p.roman( args )
	local inputRoman = tonumber( args[ 1 ] )
	if inputRoman < 400 then
		inputRoman = tostring( inputRoman )
		return mw.ustring.lower( require("Module:Roman").main{ inputRoman } )
	elseif inputRoman == 400 then
		return "cccc"
	elseif inputRoman < 500 then
		inputRoman = inputRoman - 400
		inputRoman = tostring( inputRoman )
		return "cccc" .. mw.ustring.lower( require("Module:Roman").main{ inputRoman } )
	else
		return ""
	end
end

function p.header( frame )
	local data = mw.loadData( "Module:Legislationuk/data" )
	local pargs = frame:getParent().args
	local args = frame.args
	local inputType = pargs[ 1 ] or args[ 1 ] or ""
	local inputState = pargs[ "state" ] or args[ "state" ] or ""
	local inputNumber = tonumber( pargs[ 2 ] ) or tonumber( args[ 2 ] ) or ""
	local inputSession = pargs[ "session" ] or args[ "session" ] or ""
	local actsPublic = tonumber( pargs[ 3 ] ) or tonumber( args[ 3 ] ) or 0
	local actsLocal = tonumber( pargs[ 4 ] ) or tonumber( args[ 4 ] ) or 0
	local actsPrivate = tonumber( pargs[ 5 ] ) or tonumber( args[ 5 ] ) or 0
	local currentSession = ""
	local o = ""
	if inputState == "scotland" or inputState == "wales" or inputState == "northern ireland" then
		inputType = "year"
		inputNumber = tonumber( pargs[ 1 ] ) or tonumber( args[ 1 ] ) or 0
		actsPublic = tonumber( pargs[ 2 ] ) or tonumber( args[ 2 ] ) or 0
		actsLocal = tonumber( pargs[ 3 ] ) or tonumber( args[ 3 ] ) or 0
	end
	local acts = actsPublic + actsLocal + actsPrivate
	if inputState == "scotland" then
		o = o .. frame:preprocess( "{{DEFAULTSORT:List of acts of the Scottish Parliament, " .. inputNumber .."}}" )
	elseif inputState == "wales" then
		o = o .. frame:preprocess( "{{DEFAULTSORT:List of acts of the Welsh Parliament, " .. inputNumber .."}}" )
	elseif inputState == "northern ireland" then
		if inputNumber >= 2000 then
			o = o .. frame:preprocess( "{{DEFAULTSORT:List of acts of the Northern Ireland Assembly, " .. inputNumber .."}}" )
		elseif inputNumber <= 1972 then
			o = o .. frame:preprocess( "{{DEFAULTSORT:List of acts of the Parliament of Northern Ireland, " .. inputNumber .."}}" )
		end
	elseif inputType == "year" then
		o = o .. frame:preprocess( "{{DEFAULTSORT:List of acts of the Parliament of the United Kingdom, " .. inputNumber .."}}" )
	elseif inputSession == "only" then
		o = o .. frame:preprocess( "{{DEFAULTSORT:List of acts of the " .. p.ordinal( inputNumber ) .. " Parliament of the United Kingdom}}" )
	else
		o = o .. frame:preprocess( "{{DEFAULTSORT:List of acts of the " .. p.ordinal( inputNumber ) .. " Parliament of the United Kingdom, " .. p.ordinal( inputSession ) .. " Session}}" )
	end
	o = o .. "" .. frame:expandTemplate{ title = "Use British English", args = { date = "July 2021" } } .. "" .. frame:expandTemplate{ title = "Use dmy dates", args = { date = "July 2021" } } .. "" .. frame:expandTemplate{ title = "Short description", args = { "None" } } .. " "
	if inputState == "UK" or inputState == "" then
		o = o .. frame:expandTemplate{ title = "UK acts of Parliament lists", args = { "years" } }
	else
	end
	o = o .. "This is a '''list of "
	if inputState == "scotland" then
		o = o .. "acts of the Scottish Parliament "
	elseif inputState == "wales" then
		if inputNumber >= 2021 then
			o = o .. "acts of Senedd Cymru "
		elseif inputNumber == 2020 then
			o = o .. "acts of the National Assembly for Wales and acts of Senedd Cymru"
		elseif inputNumber <= 2020 and inputNumber >= 2012 then
			o = o .. "acts of the National Assembly for Wales "
		else
			o = o .. "measures of the National Assembly for Wales "
		end
	elseif inputState == "northern ireland" then
		if inputNumber >= 2000 then
			o = o .. "acts of the Northern Ireland Assembly "
		elseif inputNumber <= 1972 then
			o = o .. "acts of the Parliament of Northern Ireland "
		end
	else
		o = o .. "acts of the "
		if inputType == "parliament" and inputSession == "only" then o = o .. p.ordinal( inputNumber ) .. " " elseif inputType == "parliament" then o = o .. p.ordinal( inputSession ) .. " [[Legislative session|session]] of the " .. p.ordinal( inputNumber ) .. " " end
		o = o .. "Parliament of the United Kingdom"
	end
	if inputType == "year" then
		o = o .. " passed in " .. inputNumber .. "'''."
	else
		o = o .. "''', which "
		for _, t in ipairs( data ) do
			if t.session
				and tonumber( inputNumber ) == tonumber( t.session.parliament )
				and ( tonumber( inputSession ) == tonumber( t.session.number )
				or ( inputSession == "only" and tonumber( t.session.number ) == 1 ) )
			then
				if t.eDate == "current" then
					if inputSession == "only" then o = o .. "has so far consisted of a single session that " end
					o = o .. "began on " .. os.date( "*t", t.sDate.date ).day .. " " .. os.date("%B %Y", t.sDate.date )
					if t.sDate.citation.work ~= "LG" then o = o .. frame:extensionTag( "ref", p.citation( t.sDate.citation ) .. "." ) else o = o .. frame:extensionTag( "ref", p.citation( t.sDate.citation ) ) end
					o = o .. " and has not yet concluded."
					currentSession = "y"
				else
					if inputSession == "only" then o = o .. "consisted of a single session that " end
					o = o .. "ran from " .. os.date( "*t", t.sDate.date ).day .. " " .. os.date("%B %Y", t.sDate.date )
					if t.sDate.citation.work ~= "LG" then o = o .. frame:extensionTag( "ref", p.citation( t.sDate.citation ) .. "." ) else o = o .. frame:extensionTag( "ref", p.citation( t.sDate.citation ) ) end
					o = o .. " until " .. os.date( "*t", t.eDate.date ).day .. " " .. os.date("%B %Y", t.eDate.date ) .. "."
					if t.eDate.citation.work ~= "LG" then o = o .. frame:extensionTag( "ref", p.citation( t.eDate.citation ) .. "." ) else o = o .. frame:extensionTag( "ref", p.citation( t.eDate.citation ) ) end
				end
			end
		end
	end
	if inputState == "scotland" then
		o = o .. " [[Act of the Scottish Parliament|Acts of the Scottish Parliament]] are enacted by the [[Scottish Parliament]], which has legislative authority over [[Devolution in the United Kingdom|devolved]] matters in relation to [[Scotland]] under the authority of the [[Scotland Act 1998]]." .. frame:extensionTag( "ref", "{{citation|title=Scotland Act 1998|page=1998 c. 46, s. 28 |no-pp=yes|url=https://www.legislation.gov.uk/ukpga/1998/46/section/28}}." )
	elseif inputState == "wales" then
		if inputNumber >= 2020 then
			o = o .. " [[Act of Senedd Cymru|Acts of Senedd Cymru]] are enacted by [[Senedd Cymru]] (the Welsh Parliament; or simply the Senedd), which has"
		elseif inputNumber >= 2012 then
			o = o .. " [[Act of the National Assembly for Wales|Acts of the National Assembly for Wales]] are [[Act of Senedd Cymru|acts of Senedd Cymru]] enacted by [[Senedd Cymru]] (the Welsh Parliament; or simply the Senedd) under its former name of the National Assembly for Wales." .. frame:extensionTag( "ref", "{{citation|title=Senedd and Elections (Wales) Act 2020|page=2020 anaw 1, s. 2 |no-pp=yes|url=https://www.legislation.gov.uk/anaw/2020/1/section/2}}." ) .. " It has"
		else
			o = o .. " [[Measure of the National Assembly for Wales|Measures of the National Assembly for Wales]] were enacted by [[Senedd Cymru]] (the Welsh Parliament; or simply the Senedd) under its former name of the National Assembly for Wales," .. frame:extensionTag( "ref", "{{citation|title=Senedd and Elections (Wales) Act 2020|page=2020 anaw 1, s. 2 |no-pp=yes|url=https://www.legislation.gov.uk/anaw/2020/1/section/2}}." ) .. " as part of its"
		end
		o = o .. " legislative authority over [[Devolution in the United Kingdom|devolved]] matters in relation to [[Wales]] under the authority of the [[Government of Wales Act 2006]]."
		if inputNumber >= 2012 then
			o = o .. frame:extensionTag( "ref", "{{citation|title=Government of Wales Act 2006|page=2006 c. 32, s. 107 |no-pp=yes|url=https://www.legislation.gov.uk/ukpga/2006/32/section/107}}." )
			if inputNumber == 2020 then
			o = o .. " Before 6 May 2020, the Senedd was known as the National Assembly for Wales," .. frame:extensionTag( "ref", "{{citation|title=Senedd and Elections (Wales) Act 2020|page=2020 anaw 1, s. 2 |no-pp=yes|url=https://www.legislation.gov.uk/anaw/2020/1/section/2}}." ) .. " and acts passed before that date are accordingly known as [[Act of the National Assembly for Wales|acts of the National Assembly for Wales]]."
			end
		else
			o = o .. frame:extensionTag( "ref", "{{citation|title=Government of Wales Act 2006|page=2006 c. 32, s. 93 |no-pp=yes|url=https://www.legislation.gov.uk/ukpga/2006/32/section/93}}." ) .. " It has no longer been possible for the Senedd to pass measures since 5 May 2011, when it was conferred with the power to pass [[acts of Senedd Cymru]] (then known as acts of the National Assembly for Wales) following [[2011 Welsh devolution referendum|a referendum]]"
			if inputNumber == 2011 then o = o .. "," else o = o .. "." end
			o = o .. frame:extensionTag( "ref", "{{citation|title=Government of Wales Act 2006|page=2006 c. 32, ss. 106 & 107 |no-pp=yes|url=https://www.legislation.gov.uk/ukpga/2006/32/contents}}; {{citation|title=Government of Wales Act 2006 (Commencement of Assembly Act Provisions, Transitional and Saving Provisions and Modifications) Order 2011|page=S.I. 2011/1011 (W. 150) (C. 42), arts. 2 & 3 |no-pp=yes|url=https://www.legislation.gov.uk/wsi/2011/1011/contents}}." )
			if inputNumber == 2011 then
				o = o .. " although a minor exemption was granted to any proposed measures which had been passed by the National Assembly but not yet given [[royal assent]] at that date." .. frame:extensionTag( "ref", "{{citation|title=Government of Wales Act 2006|page=2006 c. 32, s. 106A |no-pp=yes|url=https://www.legislation.gov.uk/ukpga/2006/32/section/106A}}." )
			end
		end
	elseif inputState == "northern ireland" then
		if inputNumber >= 2000 then
			o = o .. " [[Act of the Northern Ireland Assembly|Acts of the Northern Ireland Assembly]] are enacted by the [[Northern Ireland Assembly]], which has legislative authority over [[Devolution in the United Kingdom|devolved]] matters in relation to [[Northern Ireland]] under the authority of the [[Northern Ireland Act 1998]]." .. frame:extensionTag( "ref", "{{citation|title=Northern Ireland Act 1998|page=1998 c. 47, s. 5 |no-pp=yes|url=https://www.legislation.gov.uk/ukpga/1998/47/section/5}}." )
		elseif inputNumber <= 1972 then
			o = o .. " [[Act of the Parliament of Northern Ireland|Acts of the Parliament of Northern Ireland]] are enacted by the [[Parliament of Northern Ireland]], which has legislative authority over [[Devolution in the United Kingdom|devolved]] matters in relation to [[Northern Ireland]] under the authority of the [[Government of Ireland Act 1920]]." .. frame:extensionTag( "ref", "{{citation|title=Government of Ireland Act 1920|page=10 & 11 Geo. 5. c. 67, s. 1 |no-pp=yes|url=https://www.legislation.gov.uk/ukpga/Geo5/10-11/67}}." )
		end
	end
	if inputType == "year" then inputNumber = tonumber( inputNumber ) end
	o = o .. "\n__TOC__\n"
	if inputState == "wales" then
		o = o .. "All legislation passed by the Senedd is [[Multilingualism|bilingual]], with the [[English language|English]] and [[Welsh language|Welsh]] texts being equally authoritative."
		if inputNumber <= 2020 then o = o .. frame:extensionTag( "ref", "{{citation|title=Government of Wales Act 2006|page=2006 c. 32, s. 156(1) |no-pp=yes|url=https://www.legislation.gov.uk/ukpga/2006/32/section/156}}." ) end
		if inputNumber >= 2020 then o = o .. frame:extensionTag( "ref", "{{citation|title=Legislation (Wales) Act 2019|page=2019 anaw 4, s. 5 |no-pp=yes|url=https://www.legislation.gov.uk/anaw/2019/4/section/5}}." ) end
		o = o .. "\n"
	end
	if inputState == "wales" and inputNumber <= 2011 then
		o = o .. "Measures "
	else
		o = o .. "[[Act of Parliament (UK)|Acts]] "
	end
	if inputState == "scotland" or inputState == "wales" or ( inputState == "northern ireland" and inputNumber >= 1943) then
		o = o .. "are [[Citation of United Kingdom legislation|cited]] by calendar year, in the same fashion as [[Act of Parliament (UK)|acts of Parliament of the United Kingdom]]."
	else
		if ( inputType == "year" and inputNumber >= 1963  ) or ( inputType == "parliament" and tonumber( inputNumber ) >= 43 ) or ( inputType == "parliament" and tonumber( inputNumber ) == 42 and tonumber( inputSession ) >= 4 ) then
			o = o .. "passed since 1963 are [[Citation of United Kingdom legislation|cited]] by calendar year," .. frame:extensionTag( "ref", "{{citation|title=Acts of Parliament Numbering and Citation Act 1962|page=10 & 11 Eliz. 2. c. 34, s. 1 |no-pp=yes|url=https://www.legislation.gov.uk/ukpga/Eliz2/10-11/34/section/1}}." )
			if inputType == "parliament" and tonumber( inputNumber ) == 42 and tonumber( inputSession ) == 4 then
				o = o .. " while the convention used for earlier acts is to cite"
			else
				o = o .. " as opposed to the convention used for earlier acts of citing"
			end
			o = o .. " the [[Regnal years of English monarchs|regnal year(s)]] in which the relevant "
			if inputType == "year" then
				o = o .. "[[Legislative session|parliamentary session]]"
			else
				o = o .. "parliamentary session"
			end
			o = o .. " was held." .. frame:extensionTag( "ref", "{{citation|author1=Law Commission|author2=Scottish Law Commission|title=Report on the Interpretation Act 1889 and certain other enactments relating to the construction and operation of Acts of Parliament and other instruments|page=(Cmnd. 7235; Law Com. No. 90; Scot Law Com. No. 53, 1978) para. 7A |no-pp=yes|url=https://www.scotlawcom.gov.uk/files/8512/7989/6586/rep53.pdf}}; cf. {{citation|title=An Act for shortening the Language used in Acts of Parliament|page=13 & 14 Vict. c. 21, s. 3 (now rep.) |no-pp=yes|url=https://archives.parliament.uk/collections/getrecord/GB61_HL_PO_PU_1_1850_13and14V1n40}} and the {{citation|title=Interpretation Act 1889|page=52 & 53 Vict. c. 63, s. 35(1) (now rep.) |no-pp=yes|url=https://www.legislation.gov.uk/ukpga/1889/63/contents}}." )
		else
			o = o .. "passed before 1963 are [[Citation of United Kingdom legislation|cited]] by the [[Regnal years of English monarchs|regnal year(s)]] in which the relevant "
			if inputType == "year" then
				o = o .. "[[Legislative session|parliamentary session]]"
			else
				o = o .. "parliamentary session"
			end
			o = o .. " was held," .. frame:extensionTag( "ref", "{{citation|author1=Law Commission|author2=Scottish Law Commission|title=Report on the Interpretation Act 1889 and certain other enactments relating to the construction and operation of Acts of Parliament and other instruments|page=(Cmnd. 7235; Law Com. No. 90; Scot Law Com. No. 53, 1978) para. 7A |no-pp=yes|url=https://www.scotlawcom.gov.uk/files/8512/7989/6586/rep53.pdf}}; cf. {{citation|title=An Act for shortening the Language used in Acts of Parliament|page=13 & 14 Vict. c. 21, s. 3 (now rep.) |no-pp=yes|url=https://archives.parliament.uk/collections/getrecord/GB61_HL_PO_PU_1_1850_13and14V1n40}} and the {{citation|title=Interpretation Act 1889|page=52 & 53 Vict. c. 63, s. 35(1) (now rep.) |no-pp=yes|url=https://www.legislation.gov.uk/ukpga/1889/63/contents}}." ) .. " as opposed to the convention used for later acts of citing the calendar year." .. frame:extensionTag( "ref", "{{citation|title=Acts of Parliament Numbering and Citation Act 1962|page=10 & 11 Eliz. 2. c. 34, s. 1 |no-pp=yes|url=https://www.legislation.gov.uk/ukpga/Eliz2/10-11/34/section/1}}." )
		end
	end
	o = o .. " Each "
	if inputState == "wales" and inputNumber <= 2011 then
		o = o .. "measure"
	else
		o = o .. "act"
	end
	o = o .. " passed in a respective "
	if ( inputType == "year" and inputNumber >= 1963 ) or ( inputType == "parliament" and tonumber( inputNumber ) >= 43 ) or ( inputType == "parliament" and tonumber( inputNumber ) == 42 and tonumber( inputSession ) == 5 ) then
		o = o .. "year"
	elseif inputType == "parliament" and tonumber( inputNumber ) == 42 and tonumber( inputSession ) == 4 then
		o = o .. "session or year"
	else
		o = o .. "session"
	end
	o = o .. " is "
	if inputState == "scotland" then
		o = o .. "numbered consecutively with [[Arabic numerals]], following the prefix \"asp\"." .. frame:extensionTag( "ref", "{{citation|title=Interpretation and Legislative Reform (Scotland) Act 2010|page=2010 asp 10, ss. 9 & 38 |no-pp=yes|url=https://www.legislation.gov.uk/asp/2010/10/section/38}}; formerly the {{citation|title=Scotland Act 1998 (Transitory and Transitional Provisions) (Publication and Interpretation etc. of Acts of the Scottish Parliament) Order 1999|page=S.I. 1999/1379, art. 5(2) (rev. by art. 8 & s. 55(1) of the Interpretation and Legislative Reform (Scotland) Act 2010) |no-pp=yes|url=https://www.legislation.gov.uk/uksi/1999/1379/article/5}}." )
	elseif inputState == "wales" then
		o = o .. "numbered consecutively with [[Arabic numerals]], following the prefix \""
		if inputNumber >= 2021 then o = o .. "asc\"" elseif inputNumber == 2020 then o = o .. "anaw\" or \"asc\" respectively" elseif inputNumber <= 2020 and inputNumber >= 2012 then o = o .. "anaw\"" else
			o = o .. "nawm\"" end
		o = o .. " (or, in Welsh, \""
		if inputNumber >= 2021 then o = o .. "dsc" elseif inputNumber == 2020 then o = o .. "dccc\" or \"dsc" elseif inputNumber <= 2020 and inputNumber >= 2012 then o = o .. "dccc" else
			o = o .. "mccc" end
		o = o .. "\")."
		o = o .. frame:extensionTag( "ref", "{{citation|title=Government of Wales Act 2006|page=2006 c. 32, s. 115 |no-pp=yes|url=https://www.legislation.gov.uk/ukpga/2006/32/section/115}}; {{citation|title=Interpretation Act 1978|page=1978 c. 30, ss. 19(1), 23B & 23C(1) |no-pp=yes|url=https://www.legislation.gov.uk/ukpga/1978/30/contents}}; {{citation|title=Legislation (Wales) Act 2019|page=2019 anaw 4, s. 22 |no-pp=yes|url=https://www.legislation.gov.uk/anaw/2019/4/section/22}}." )
	elseif inputState == "northern ireland" then
		if inputNumber >= 1943 then
			o = o .. "given a chapter number (abbreviated \"c.\") denoted by [[Arabic numerals]]," .. frame:extensionTag( "ref", "{{citation|title=Interpretation Act (Northern Ireland) 1954|page=1954 c. 33 (N.I.), ss. 1(a) & 47(1) |no-pp=yes|url=https://www.legislation.gov.uk/apni/1954/33/contents}}; {{citation|title=Interpretation Act 1978|page=1978 c. 30, ss. 19(1) & 24(1) |no-pp=yes|url=https://www.legislation.gov.uk/ukpga/1978/30/contents}}." ) .. " and citations are usually followed by the suffix \"(N.I.)\" so as to prevent confusion with acts of Parliament of the United Kingdom."
		else
			o = o .. "passed before 1943 are [[Citation of United Kingdom legislation|cited]] by the [[Regnal years of English monarchs|regnal year(s)]] in which the relevant [[Legislative session|parliamentary session]]"
		end
	else
		o = o .. "given a chapter number (abbreviated \"c.\"), denoted by [[Arabic numerals]] in the case of [[Act of Parliament (UK)#Public general acts|public general acts]], lowercase [[Roman numerals]] in the case of [[Local and personal Acts of Parliament (United Kingdom)#Local acts|local acts]], or [[Italic type|italicised]] Arabic numerals in the case of [[Local and personal Acts of Parliament (United Kingdom)#Personal acts|personal acts]]. These run as separate series." .. frame:extensionTag( "ref", "{{citation|title=Erskine May|page=para. 30.75 |no-pp=yes|url=https://erskinemay.parliament.uk/section/5598/printing-and-promulgation-of-statutes|access-date=9 September 2021|archive-url=https://web.archive.org/web/20210909205918/https://erskinemay.parliament.uk/section/5598/printing-and-promulgation-of-statutes/|archive-date=9 September 2021}}." )
	end
	o = o .. "\n\n"
	if inputState == "wales" and inputNumber == 2020 then
		o = o .. actsPublic .. " acts of the National Assembly for Wales and " .. actsLocal .. " acts of Senedd Cymru "
	else
		o = o .. actsPublic + actsLocal + actsPrivate
		if inputState == "wales" and inputNumber <= 2011 then
			o = o .. " measure"
		else
			o = o .. " act"
		end
		if acts > 1 then o = o .. "s" end
		if inputState == "scotland" then
			o = o .. " of the Scottish Parliament "
		elseif inputState == "wales" then
			if inputNumber >= 2021 then
				o = o .. " of Senedd Cymru "
			else
				o = o .. " of the National Assembly for Wales "
			end
		elseif inputState == "northern ireland" then
			if inputNumber >= 1973 then
				o = o .. " of the Northern Ireland Assembly " 
			else 
				o = o .. " of the Parliament of Northern Ireland " 
			end
		else
			o = o .. " of Parliament "
		end
	end
	if inputNumber == tonumber (os.date( "%Y", os.time() ) ) or currentSession == "y" then
		if acts == 1 then
			o = o .. "has"
		else
			o = o .. "have"
		end
		o = o .. " so far been"
	else
		if acts == 1 then
			o = o .. "was"
		else
			o = o .. "were"
		end
	end
	o = o .. " passed "
	if inputType == "year" then
		o = o .. "in " .. inputNumber
	else
		o = o .. "by the " .. p.ordinal( inputNumber ) .. " Parliament in its "
		if inputSession == "only" then
			o = o .. "only"
		else
			o = o .. p.ordinal( inputSession )
		end
		o = o .. " session"
	end
	local actsPublicString = ""
	local actsLocalString = ""
	local actsPrivateString = ""
	if inputState == "scotland" or inputState == "wales" or ( inputState == "northern ireland" and inputNumber >= 2000)  then
		o = o .. "."
	else
		if actsPublic > 1 then actsPublicString = actsPublic .. " public general acts" else actsPublicString = actsPublic .. " public general act" end
		if actsLocal > 1 then actsLocalString = actsLocal .. " local acts" else actsLocalString = actsLocal .. " local act" end
		if actsPrivate > 1 then actsPrivateString = actsPrivate .. " personal acts" else actsPrivateString = actsPrivate .. " personal act" end
		if actsPublic > 0 and actsLocal > 0 and actsPrivate > 0 then
			o = o .. ": " .. actsPublicString .. ", " .. actsLocalString .. " and " .. actsPrivateString .. "."
		elseif actsPublic > 0 and actsLocal > 0 and actsPrivate == 0 then
			o = o .. ": " .. actsPublicString .. " and " .. actsLocalString .. "."
		elseif actsPublic > 0 and actsLocal == 0 and actsPrivate > 0 then
			o = o .. ": " .. actsPublicString .. " and " .. actsPrivateString .. "."
		elseif actsPublic == 0 and actsLocal > 0 and actsPrivate > 0 then
			o = o .. ": " .. actsLocalString .. " and " .. actsPrivateString .. "."
		elseif actsPublic > 0 and actsLocal == 0 and actsPrivate == 0 then
			if actsPublic == 1 then
				o = o .. ": a public general act."
			else
				if actsPublic == 2 then o = o .. "; both " else o = o .. "; all " end
				if inputNumber == tonumber(os.date( "%Y", os.time() ) ) or currentSession == "y" then o = o .. "are" else o = o .. "were" end
				o = o .. " public general acts."
			end
		elseif actsPublic == 0 and actsLocal > 0 and actsPrivate == 0 then
			if actsLocal == 1 then
				o = o .. ": a local act."
			else
				if actsLocal == 2 then o = o .. "; both " else o = o .. "; all " end
				if inputNumber == tonumber(os.date( "%Y", os.time() ) ) or currentSession == "y" then o = o .. "are" else o = o .. "were" end
				o = o .. " local acts."
			end
		elseif actsPublic == 0 and actsLocal == 0 and actsPrivate > 0 then
			if actsPrivate == 1 then
				o = o .. ": a personal act."
			else
				if actsPrivate == 2 then o = o .. "; both " else o = o .. "; all " end
				if inputNumber == tonumber (os.date( "%Y", os.time() ) ) or currentSession == "y" then o = o .. "are" else o = o .. "were" end
				o = o .. " personal acts."
			end
		end
	end
	o = o .. "\n\n[[File:Cib-gov-uk_(CoreUI_Icons_v1.0.0).svg|18x18px|link=]] indicates that a"
	if inputState == "wales" and inputNumber < 2012 then
		o = o .. " measure"
	else
		o = o .. "n act"
	end
	o = o .." is available to view at [[legislation.gov.uk]], and "
	if inputState == "wales" then
		o = o .. "[[File:Book (CoreUI Icons v1.0.0).svg|18x18px|link=]]"
	else
		o = o .. "[[File:Crowned_Portcullis.svg|18x18px|link=]]"
	end
	o = o .. " indicates the location of the original "
	if inputState == "wales" and inputNumber < 2012 then
		o = o .. "measure"
	else
		o = o .. "act"
	end
	o = o .. " in the "
	if inputState == "wales" then
		o = o .. "[[National Library of Wales]]."
	else
		o = o .. "[[Parliamentary Archives]]."
	end
	return o
end

function p.citation( frame )
	local t = frame or ""
	local o = "{{"
	if t[ "work" ] == "JHC" then
		o = o .. "citation|author=House of Commons|title=Journals of the House of Commons|volume="
		if t.part then o = o .. "\'\'\'" .. t.vol .. " pt. " .. require("Module:Roman").main{ t.part } .. "\'\'\'" else o = o .. t.vol end
		o = o .. "|page"
		if mw.ustring.find( t.page, "–" ) then o = o .. "s" end
		o = o .. "="
		if t.page == "before 1" then o = o .. "before p. 1|no-pp=yes" else o = o .. t.page end
		o = o .. "}}"
	elseif t[ "work" ] == "JHL" then
		o = o .. "citation|author=House of Lords|title=Journals of the House of Lords|volume="
		if t.part ~= "" then o = o .. "\'\'\'" .. t.vol .. " pt. " .. require("Module:Roman").main{ t.part } .. "\'\'\'" else o = o .. t.vol end
		o = o .. "|page"
		if mw.ustring.find( t.page, "–" ) then o = o .. "s" end
		o = o .. "="
		if t.page == "before 1" then o = o .. "before p. 1|no-pp=yes" else o = o .. t.page end
		o = o .. "}}"
	elseif t[ "work" ] == "Hansard" then
		o = o .. "citation|author=Parliament of the United Kingdom|title=Hansard|series=" .. t.series .. "|volume=" .. t.vol
		o = o .. "|page=col"
		if mw.ustring.find( t.col, "–" ) then o = o .. "s" end
		o = o .. ". " .. t.col .. "|no-pp=yes}}"
	elseif t[ "work" ] == "LG" then
		o = o .. "London Gazette|issue=" .. t.issue
		if t.supplement ~= "" then o = o .. "|supp=" .. t.supplement end
		o = o .. "|page"
		if mw.ustring.find( t.page, "–" ) then o = o .. "s" end
		o = o .. "=" .. t.page
		o = o .. "|date=" .. os.date( "*t", t.date ).day .. " " .. os.date("%B %Y", t.date ) .. "}}"
	end
	return o
end

return p