local p = {}

local getArgs = require('Module:Arguments').getArgs



function p.links(permission, parenthetical, username, userURL)

	local l = {}

	----------------------------------------------------------------------------

	----------------------------------------------------------------------------

	-- To add a new link, find an empty line in the section below

	-- and add either a link or a wikilink, like so:

	--

	--		l[#l+1] = '[URL external link]'

	--		l[#l+1] = '[[Page|wikilink]]' 

	--

	-- However, replace any instance of a username with:

	--

	--		'..userURL..'		-- For a  [ ]  URL/external link

	--		'..username..'		-- For a [[ ]] wikilink

	--

	-- Each new "l" (link string) will automatically have a spaced dot in

	-- the final output. To skip the spaced dot, add a line before with:

	--

	--		before('')

	--

	-- See the existing links below for examples.

	----------------------------------------------------------------------------

	----------------------------------------------------------------------------

	local Before = {'', '', ''} -- Skip dots before 1, 2, 3.

	function before( replacement )

		Before#l+1 = replacement

	end

    -- First links: 1. Userpage, 2. parenthetical (defined below in p.main)

    -- 3. User talk page, 4. User talk page history, 5. User contributions.

	l1 = '[[User:'..username..'|'..username..']]'

	l2 = parenthetical

	l3 = '([[User talk:'..username..'|t]]'

	l4 = '[[Special:History/User talk:'..username..'|th]]'

	l5 = '[[Special:Contribs/'..username..'|c]]'

	-- Permission-specific contributions links

	if permission == 'Template editor' then

		before(' <sup>(')

		l#l+1 = '[https://en.wikipedia.org/?title=Special:Contributions&target='..userURL..'&namespace=10 template space]'

		l#l+1 = '[https://en.wikipedia.org/?title=Special:Contributions&target='..userURL..'&namespace=11 edit requests])</sup>'

	elseif permission == 'Page mover' then

		before(' <sup>(')

		l#l+1 = '[https://xtools.wmcloud.org/topedits/en.wikipedia.org/'..userURL..'/4/Requested_moves/Technical_requests RM/TR]'

		l#l+1 = '[https://sigma.toolforge.org/summary.py?name='..userURL..'&search=requested+move&server=enwiki RMs])</sup>'

	elseif permission == 'File mover' then

		before(' <sup>(')

		l#l+1 = '[https://en.wikipedia.org/?title=Special:Contributions&target='..userURL..'&namespace=6 file space])</sup>'

	end

	

	l#l+1 = '<span class="sysop-show">[[Special:DeletedContributions/'..username..'|del]]'

	l#l+1 = '</span>[[:luxo:'..username..'|cross-wiki]]'

	l#l+1 = '[[Special:CentralAuth/'..username..'|SUL]]'

	l#l+1 = '[https://xtools.wmcloud.org/ec/en.wikipedia.org/'..userURL..' edit counter]'



	if permission == 'Event coordinator' then

		l#l+1 = '[https://en.wikipedia.org/?title=Special:Log&type=newusers&user='..userURL..'&limit=5000 accounts created]'

	elseif permission == 'Template editor' then

		l#l+1 = '[https://xtools.wmflabs.org/pages?project=en.wikipedia.org&username='..userURL..'&namespace=10 templates created]'

	else 

		l#l+1 = 'pages created ([https://xtools.wmflabs.org/pages?user='..userURL..'&project=en.wikipedia.org&namespace=all&redirects=noredirects xtools]'

		l#l+1 = '[https://sigma.toolforge.org/created.py?name='..userURL..'&server=enwiki&ns=,,&redirects=none sigma])'

	end



	l#l+1 = '[https://xtools.wmflabs.org/autoedits/en.wikipedia.org/'..userURL..' non-automated edits]'

	l#l+1 = '[https://xtools.wmflabs.org/categoryedits/en.wikipedia.org/'..userURL..'/Living_people BLP edits]'

	l#l+1 = '[https://en.wikipedia.org/?title=Special%3AContributions&target='..userURL..'&namespace=all&tagfilter=mw-undo undos]'

	l#l+1 = '[https://en.wikipedia.org/?title=Special%3AContributions&target='..userURL..'&namespace=all&tagfilter=mw-manual-revert manual reverts]'

	l#l+1 = '[https://en.wikipedia.org/?title=Special%3AContributions&target='..userURL..'&namespace=all&tagfilter=mw-rollback rollbacks]'

	l#l+1 = '[https://en.wikipedia.org/?title=Special:Log&user='..userURL..' logs]'

	before(' <sup>(')

	l#l+1 = '[https://en.wikipedia.org/?title=Special:Log/block&page=User:'..userURL..' blocks]'

	l#l+1 = '[https://en.wikipedia.org/?title=Special:Log/rights&page=User:'..userURL..' rights]'

	l#l+1 = '[https://en.wikipedia.org/?title=Special:Log/move&user='..userURL..' moves])</sup>'

	

	if permission == 'New page reviewer' then

		l#l+1 = '[https://en.wikipedia.org/?title=Special:Log/pagetriage-curation&user='..userURL..' curation log]'

		l#l+1 = '[https://en.wikipedia.org/?title=Special:Log/patrol&user='..userURL..'&subtype=patrol patrol log]'

		l#l+1 = '[https://afdstats.toolforge.org/afdstats.py?name='..userURL..'&max=&startdate=&altname= AFD stats]'

		l#l+1 = '[https://apersonbot.toolforge.org/afchistory/?user='..userURL..' AFC stats]'

		l#l+1 = '[[User:'..username..'/CSD log|CSD log]]'

		l#l+1 = '[[User:'..username..'/PROD log|PROD log]]'

		l#l+1 = '[[User:'..username..'/Draftify log|Draftify log]]'

		l#l+1 = '[https://xtools.wmcloud.org/ec-namespacetotals/en.wikipedia.org/'..userURL..' Mainspace edits]'

	elseif permission == 'Page mover' then

		l#l+1 = '[[User:'..username..'/CSD log|CSD log]]'

	end



	l#l+1 = '[[WP:Arbitration/Requests/Case/'..username..'|rfar]]'

	l#l+1 = '[[WP:Sockpuppet investigations/'..username..'|spi]]'

	l#l+1 = '[[WP:Contributor copyright investigations/'..username..'|cci]])'

	

	----------------------------------------------------------------------------

	----------------------------------------------------------------------------

	-- New links should be somewhere above this line.

	-- Next, links for assigning permissions and notifying the user.

	----------------------------------------------------------------------------

	----------------------------------------------------------------------------

	

	before(' <span class="sysop-show perm-assign-permissions"><span class="nowrap">(')

	if permission == 'AutoWikiBrowser' then

		l#l+1 = "[https://en.wikipedia.org/?title=Wikipedia:AutoWikiBrowser/CheckPageJSON&action=edit edit CheckPage])"

	else

		l#l+1 = "[[Special:UserRights/"..username.."|<span style='color: #03B;'>'''assign permissions'''</span>]])"

	end

	

	local subpages = {'Account creator', 'Autopatrolled', 'AutoWikiBrowser', 'Confirmed', 'Event coordinator', 'Extended confirmed', 'File mover', 'Mass message sender', 'New page reviewer', 'Page mover', 'Pending changes reviewer', 'Rollback', 'Template editor'}

	local templates = {['Account creator'='acc', 'Autopatrolled'='ap', 'AutoWikiBrowser'=false, 'Confirmed'=false, 'Event coordinator'='ev', 'Extended confirmed'=false, 'File mover'='fm', 'Mass message sender'='mms', 'New page reviewer'='npr', 'Page mover'='pm', 'Pending changes reviewer'='pc', 'Rollback'='rb', 'Template editor'='te'}

	

	if permission then

		if templatespermission then

			local templateURL = mw.ustring.gsub(permission..' granted', '%s', '%%20')

			local headingURL = templateURL

			if permission == 'Rollback' then

				templateURL = templateURL..'%20'..'2' -- [[Template:Rollback granted 2]]

			end

			before('<sup>(')

			l#l+1 = '[https://en.wikipedia.org/?title=User_talk:'..userURL..'&action=edit&section=new&preloadtitle='

			..headingURL..'&preload=Template:'..templateURL..' notify])</sup></span>'

		else

			l#l = l#l..'</span>'

		end

	else

		before('</span><sup>(')

		for i=1,#subpages do

			if templatessubpagesi]] then

				local templateURL = mw.ustring.gsub(subpagesi..' granted', '%s', '%%20')

				l#l+1 = '[https://en.wikipedia.org/?title=User_talk:'..userURL..'&action=edit&section=new&preloadtitle='

				..templateURL..'&preload=Template:'..templateURL..' '..templatessubpagesi]]..']'

			end

		end

		l#l = l#l..')</sup>'

	end

	

	-- All links should be within a plainlinks span

	Before1 = '<span class="plainlinks">'

	l#l = l#l..'</span></span>'

	

	local ret = ''

	

	for n=1,#l do

		ret = ret .. (Beforen or " '''&middot;''' ") .. ln

	end

	

	return ret

end

	----------------------------------------------------------------------------

	----------------------------------------------------------------------------

	-- This is the main function (the one directly called by the template).

	-- It determines the permission (if uniquely determined), the username, 

	-- and the URL encoding of the username, then creates a parenthetical 

	-- listing any permission(s) sought at subpages of WP:PERM (if viewing the 

	-- main WP:PERM page rather than a subpage WP:PERM/[...]).

	-- It then uses this information to call the p.links function above.

	----------------------------------------------------------------------------

	----------------------------------------------------------------------------

function p.main(frame)

	local args = getArgs(frame)

	local username = args'User' or args'1' or 'Example' -- {{{User|{{{1|Example}}}}}}

	local userURL = frame:callParserFunction('urlencode', username, 'PATH') -- {{urlencode:{{{User|{{{1|Example}}}}}}|PATH}}

	local permission = args'permission' -- {{{permission|nil}}}

	local base = 'Wikipedia:Requests for permissions' -- A/K/A [[WP:PERM]].

	local current = mw.allToString(mw.title.getCurrentTitle()) -- {{FULLPAGENAME}}

	local shortened = mw.ustring.gsub(current, base..'/', '') -- Subtitle, if the current title is a subpage of [[WP:PERM]].

	-- The 13 subpages of WP:PERM currently used for requesting permissions: 

	local subpages = {'Account creator', 'Autopatrolled', 'AutoWikiBrowser', 'Confirmed', 'Event coordinator', 'Extended confirmed', 'File mover', 'Mass message sender', 'New page reviewer', 'Page mover', 'Pending changes reviewer', 'Rollback', 'Template editor'}

	local check = {['Account creator'=true, 'Autopatrolled'=true, 'AutoWikiBrowser'=true, 'Confirmed'=true, 'Event coordinator'=true, 'Extended confirmed'=true, 'File mover'=true, 'Mass message sender'=true, 'New page reviewer'=true, 'Page mover'=true, 'Pending changes reviewer'=true, 'Rollback'=true, 'Template editor'=true} -- Use check[x] to check whether x is one of the subpages.

	

	-- Ignore any provided args.permission if not valid

	if not checkpermission then

		permission = nil

	end

	

	local intext = {}

	local count = 0

	local tentative = ''

	

	-- If viewing [[WP:PERM]] or its subpages, then check each subpage for a request for this user.

	if current == base or checkshortened then

		local text = {}

		local pattern = mw.ustring.gsub('{{rfplinks|1='..username..'}}', "([%(%)%.%%%+%-%*%?%[%^%$%]])", "%%%1" ) -- Copied from _escapePattern in [[Module:String]]

		for i=1,#subpages do

			texti = mw.title.new( base..'/'..subpagesi ):getContent() or ''

			if texti ~= mw.ustring.gsub(texti], pattern, '') then

				intexti = true

				tentative = subpagesi

				count = count + 1

			end

		end

		-- If exactly one subpage with a request, then use that as the permission.

		if count == 1 then

			permission = tentative

		end

		-- If the page is one one of the subpages, then use that as the permission.

		if checkshortened then

			permission = shortened

		end

	end

	

	-- Now to form the parenthetical. 

	local parenthetical = ' '

	-- If requesting multiple perms at [[WP:PERM]], show each one requested.

	if count > 1 then

		parenthetical = ' (<small>requesting '

		local first = true

		for i=1,#subpages do

			if intexti then

				if not first then

					parenthetical = parenthetical .. ', '

				else

					first = false

				end

				parenthetical = parenthetical..'[['..base..'/'..subpagesi

				-- Unless the link is to the current page, add a section link.

				if subpagesi ~= shortened then 

					parenthetical = parenthetical..'#User:'..username

				end

				parenthetical = parenthetical..'|'..subpagesi..']]'

			end

		end

		parenthetical = parenthetical..'</small>) '

	-- If requesting one perm, but viewed on a page other than that 

	-- perm's subpage of [[WP:PERM]], then show the permission requested.

	elseif permission then

		if current ~= base..'/'..permission then

			parenthetical = ' (<small>requesting  [['..base..'/'..permission..'#User:'..username..'|'..permission..']]</small>) '

		end

	end

	

	return p.links(permission, parenthetical, username, userURL)

end



return p