Module:Documentation

Documentation for this module may be created at Module:Documentation/doc

local p = {}
-- Creating a documentation page or transclution through {{subst:doc}}
function p.create( f )
	local args = require( 'Module:ProcessArgs' ).norm()
	page = mw.title.getCurrentTitle()
	namespace = args.type or page.nsText
	docPage = args.page or namespace .. ':' .. page.baseText .. '/doc'
	
	local out
	if page.fullText == docPage then
		out = f:preprocess( '{{subst:Template:Documentation/preload}}' )
	else
		local templateArgs = {}
		if args.type then
			table.insert( templateArgs, 'type=' .. args.type )
		end
		if args.page then
			table.insert( templateArgs, 'page=' .. args.page )
		end
		
		out = '{{documentation|' .. table.concat( templateArgs, '|' ) .. '}}\n<!-- Put categories/interwiki on the documentation page -->'
		out = out:gsub( '|}}', '}}' )
	end
	
	if not mw.isSubsting() then
		out = f:preprocess( out )
		if not args.nocat then
			out = out .. '[[Category:Pages with templates requiring substitution]]'
		end
	end
	
	return out
end

-- Header on the documentation page
function p.docPage( f )
	local args = require( 'Module:ProcessArgs' ).merge( true )
	local badDoc = args.baddoc
	if f:callParserFunction( '#dplvar:noheader' ) == '1' then
		if badDoc then
			f:callParserFunction( '#dplvar:set', 'baddoc', '1' )
		end
		return ''
	end
	
	local page = mw.title.getCurrentTitle()
	local namespace = args.type or page.nsText
	local pageType = 'template'
	if namespace == 'Module' then
		pageType = 'module'
	elseif page.fullText:find( '.css$' ) then
		pageType = 'stylesheet'
	elseif page.fullText:find( '.js$' ) then
		pageType = 'script'
	elseif namespace == 'MediaWiki' then
		pageType = 'message'
	end
	
	local colour = 'EAF4F9'
	local message = ''
	if badDoc then
		colour = 'F9F2EA'
		message = "'''This " .. pageType .. "'s documentation needs improving or additional information.'''"
	end
	
	local certainty = 'should'
	if pageType == 'module' then
		certainty = 'will'
	end
	
	local category = ''
	if not args.nocat then
		category = '[[Category:Documentation pages]]'
	end
	
	local out = table.concat( {
		'<div style="margin-bottom:0.8em;padding:0.8em 1em 0.7em;background-color:#' .. colour .. ';border:1px solid #AAA">',
		'<div style="float:right">[[' .. page:fullUrl( 'action=purge' ) .. ' purge]]</div>',
			'<p style="margin: 0">This is the documentation page, it ' .. certainty .. ' be transcluded into the main ' .. pageType .. ' page. See [[Template:Documentation]] for more information.</p>',
			message,
		'</div>',
		category
	}, '\n' )
	
	return mw.text.trim( out )
end

-- Wrapper around the documentation on the main page
function p.page( f )
	local args = require( 'Module:ProcessArgs' ).merge( true )
	local page = mw.title.getCurrentTitle()
	local namespace = args.type or page.nsText
	local docPage = mw.title.new( args.page or namespace .. ':' .. page.text .. '/doc' )
	local noDoc = args.nodoc or not docPage.exists
	local badDoc = args.baddoc
	local pageType = 'template'
	if namespace == 'Module' then
		pageType = 'module'
	elseif page.fullText:find( '.css$' ) then
		pageType = 'stylesheet'
	elseif page.fullText:find( '.js$' ) then
		pageType = 'script'
	elseif namespace == 'MediaWiki' then
		pageType = 'message'
	end
	
	local docText = ''
	if not noDoc then
		f:callParserFunction( '#dplvar:set', 'noheader', '1' )
		docText = mw.text.trim( f:expandTemplate{ title = ':' .. docPage.fullText }  )
		if f:callParserFunction( '#dplvar:baddoc' ) == '1' then
			badDoc = 1
		end
		
		if docText == '' then
			noDoc = 1
		else
			docText = '\n' .. docText .. '\n'
		end
	end
	
	local action = 'edit'
	local preload = ''
	local colour = 'EAF4F9'
	local message = ''
	local category = ''
	if noDoc then
		action = 'create'
		preload = '&preload=Template:Documentation/preload'
		colour = 'F9EAEA'
		message = "'''This " .. pageType .. " has no documentation. If you know how to use this " .. pageType .. ", please create it.'''"
		if not args.nocat then
			if mw.title.new( 'Category:' .. pageType .. 's with no documentation' ).exists then
				category = '[[Category:' .. pageType .. 's with no documentation]]'
			else
				category = '[[Category:Pages with no documentation]]'
			end
		end
	elseif badDoc then
		colour = 'F9F2EA'
		message = "'''This " .. pageType .. "'s documentation needs improving or additional information.'''\n"
		if not args.nocat then
			if mw.title.new( 'Category:' .. pageType .. 's with bad documentation' ).exists then
				category = '[[Category:' .. pageType .. 's with bad documentation]]'
			else
				category = '[[Category:Pages with bad documentation]]'
			end
		end
	end
	
	local links = {
		'[' .. docPage:fullUrl( 'action=edit' .. preload ) .. ' ' .. action .. ']',
		'[' .. page:fullUrl( 'action=purge' ) .. ' purge]'
	}
	local footer = ''
	if not noDoc then
		table.insert( links, 1, '[[' .. docPage.fullText .. '|view]]' )
		footer = table.concat( {
			'<div style="margin:0.7em -1em -0.7em;background-color:#EAF4F9;border-top:1px solid #AAA;padding:0.8em 1em 0.7em;clear:both">\n',
				'<div style="float:right">' .. mw.text.nowiki( '[' ) .. table.concat( links, ' | ' ) .. ']</div>\n',
				'<p style="margin:0">The above documentation is transcluded from [[' .. docPage.fullText .. ']].</p>\n',
			'</div>\n'
		} )
	end
	
	local out = {
		'<div style="background-color:#' .. colour .. ';border:1px solid #AAA;padding:0.8em 1em 0.7em;margin-top:1em;clear:both">\n',
			'<div style="margin:-0.8em -1em 0.8em;padding: 0.8em 1em 0.7em;background-color:#EAF4F9;border-bottom:1px solid #AAA">\n',
				'<div style="float:right">' .. mw.text.nowiki( '[' ) .. table.concat( links, ' | ' ) .. ']</div>\n',
				'<span style="font-weight:bold;font-size:130%">Documentation</span>',
			'</div>\n',
			message,
			docText,
			footer,
		'</div>\n',
		category
	}
	
	return mw.text.trim( table.concat( out ) )
end
return p