Module:Video

usage

{{#invoke:video|file|unknown file}}

file:unknown file.png

---

{{#invoke:video|file|RoE 1.0 CD-Heroes3-DATA-HEROES3 VID-EVIL1A-smk-EVIL1A}}

file:RoE 1.0 CD-Heroes3-DATA-HEROES3 VID-EVIL1A-smk-EVIL1A.webm

---

local p = {}

function p.file( frame )
	fileexists = frame:expandTemplate{title = 'exist', args = {'file:'..frame.args[1]..'.webm', 'yes'}}
	if fileexists == 'yes' then
		return 'file:'..frame.args[1]..'.webm'
	end
	fileexists = frame:expandTemplate{title = 'exist', args = {'file:'..frame.args[1]..'.ogg', 'yes'}}
	if fileexists == 'yes' then
		return 'file:'..frame.args[1]..'.ogg'
	end
	
	local lines = p.split(frame.args[1], '-')
	local parent2 = ''
	for i, line in ipairs(lines) do
	   parent2 = parent2 .. line
		if i + 2 >= #lines then
			break
		else
			parent2 = parent2 .. '-'
		end
	end
	-- fileexists = frame:expandTemplate{title = 'exist', args = {'file:'..parent2..'.png', 'yes'}}
	return 'file:'..parent2..'.png'
end

function p.split(str, sep)
   local result = {}
   local regex = ("([^%s]+)"):format(sep)
   for each in str:gmatch(regex) do
      table.insert(result, each)
   end
   return result
end

return p