Editing Module:ProfessionList

local currency = require('Module:Currency')

local p = {}

-- this module provides functions that are commonly used among all of the modules to greate tables of profession activities
-- such as AlchemistList, DetectivePassiveList, BlacksmithSmeltingList, and so on

-- creates the html directly for a currency cell of a table
-- will always be 10 cells wide, for currency alignment
-- if not supplied with an amount, displays "unknown"
-- use within :node()
function p.currency_cell(amount)
	if not amount then
		return mw.html.create('td')
			:addClass('table-bg-gray')
			:css{ ['text-align'] = 'center' }
			:attr{ colspan = '10' }
			:wikitext("''unknown''")
		:done()
	end
	return currency._cell(amount, { html = 'yes' })
end

-- creates the html for an unknown value cell
-- use within :node()
function p.unknown_value_cell(N)
	return mw.html.create('td')
		:addClass('table-bg-gray')
		:css{ ['text-align'] = 'center' }
		:attr{ colspan = tostring(N) }
		:wikitext("''unknown''")
	:done()
end

-- creates the html for an unknown value cell, with a link to edit the page that has the unknown parameter
-- use within :node()
function p.unknown_value_edit_cell(page,N)
	local url = tostring(mw.uri.fullUrl(page,'action=edit'))
	return mw.html.create('td')
		:addClass('table-bg-gray')
		:css{ ['text-align'] = 'center' }
		:attr{ colspan = tostring(N) }
		:wikitext('['..url.." '''?''' (edit)]")
	:done()
end

-- generates a table of recipes and activities from a Semantic MediaWiki query string
-- the queryString is just a selection of pages, from any combination of SMW properties and categories
-- for pages with multiple recipes or activities, will make on entry into the results table for each 
function p.generate_recipe_table(queryString)
	
	-- first formulate the query to get the list of pages
	local query = {
		queryString,
		'? #- = pageName',
		'?Image #- = pageImage',
		'?Activity JSON = activityJSON',
		'?Recipe JSON = recipeJSON',
		'limit = 500'
	}
	local pages = mw.smw.ask(query)
	
	-- if no pages were found, skip the rest of this function
	if pages == nil then
		return nil
	end
	
	-- output structure
	local output = {}
	
	-- iterate through pages found
	for _, page in ipairs(pages) do
		
		-- combine the activityJSON and recipeJSON into one table
		local JSONs = {}
		if page.activityJSON ~= nil then
			if type(page.activityJSON)=='string' then
				table.insert(JSONs,page.activityJSON)
			else
				for _, json in page.activityJSON do
					json.type = 'activity'
					table.insert(JSONs,json)
				end
			end
		end
		if page.recipeJSON ~= nil then
			if type(page.recipeJSON)=='string' then
				table.insert(JSONs,page.recipeJSON)
			else
				for _, json in page.recipeJSON do
					json.type = 'recipe'
					table.insert(JSONs,json)
				end
			end
		end
		
		-- iterate through combined list of JSONs and extract the info
		if JSONs[1] ~= nil then
			for _, JSON in ipairs(JSONs) do
				
				--decode the JSON to a Lua table, add data from the page that had it
				local item = mw.text.jsonDecode(JSON)
				item.page = page.pageName
				item.pageImage = page.pageImage
				
				--insert into output table
				table.insert(output,item)
			end
		end
	end
	
	-- sort the output by the .level parameter
	table.sort(output, function(item1, item2)
		 -- if one of the two has no leve
		if (item1.level == nil) ~= (item2.level == nil) then
			-- true if lvl2 is nil but not lvl1, false if lvl1 is nil but not lvl2
			return item2.level == nil 
		end
		if item1.level == nil then
			-- if both are empty, treat as equivalent
			return false
		end
		 -- normal comparison
		return item1.level < item2.level
	end)
	
	return output
	
end

return p