Module:Ep

-- TODO This needs to be able to cope with campaign numbers, the CxEE format should be depricated

local p = {}

-- function to retrieve and format the episode name function p.ep(frame)

   local reference = false

   local epSwitcher = require('Module:Ep/Switcher')
   local epName, CxEE = epSwitcher.epSwitcher(frame, reference)
   
   -- if there is no CxEE code, then just return  the episode name without any further formatting
   if not isnotempty(CxEE) then return epName end

   -- (CxEE)
   local small = mw.html.create('small')
   small
       :wikitext("(" .. CxEE .. ")")

   -- formatting with the various parameters of 
   local text = frame.args["text"] or nil
   local nolink = frame.args["nolink"] or nil
   local after = frame.args["after"] or nil
   local bold = frame.args["bold"] or nil
   local plain = frame.args["plain"] or nil
   local hide = frame.args["hide"] or nil

   -- variable used when nolink or text are true for episodes with italics in the name
   local italEp
   if string.find(epName, "|") then italEp = split(epName, "|") end

   if isnotempty(text) and not isnotempty(nolink) and string.find(epName, "|") then epName = italEp[1] .. "|" .. text
   elseif isnotempty(text) and not isnotempty(nolink) then epName = epName .. "|" .. text
   elseif isnotempty(text) and isnotempty(nolink) then epName = text end


   if isnotempty(nolink) and string.find(epName, "|") then epName = italEp[2]
   elseif not isnotempty(nolink) then epName = "" .. epName .. "" end

   if isnotempty(after) then epName = epName .. after end

   if isnotempty(bold) then epName = "" .. epName .. "" end


   if not isnotempty(plain) then epName = "\"" .. epName .. "\"" end

   local fullEpName = epName .. " " .. tostring(small)

   if isnotempty(hide) then return epName
       else return fullEpName end

end

-- function to split a string at a specified character function split(s, delimiter)

   result = {};
   for match in (s..delimiter):gmatch("(.-)"..delimiter) do
       table.insert(result, match);
   end
   return result;

end

-- function to determine that a variable has a value function isnotempty(s)

   return s ~= nil and s~= 

end

return p