local log = nrequire("log.lua")

local function run_csfile(txt,name)
	assert(#txt > 0, "File was size 0 on: " .. name)
	local ptr = CompileString(txt,name,false)
	if type(ptr) == "function"  then
		ptr()
	else
		log.error(ptr)
	end
end

net.Receive("artery_respondfile",function()
	local filename = net.ReadString()
	local filetext = net.ReadString()
	local dirname = string.GetPathFromFilename(filename)
	file.CreateDir("artery/client/files/" .. dirname)
	assert(#filetext > 0, "Retreived a size 0 file: " .. filename)
	file.Write("artery/client/files/" .. filename,filetext)
	run_csfile(filetext,filename)
end)

net.Receive("artery_loadfile",function()
	local filename = net.ReadString()
	local hash = net.ReadUInt(32)
	local cache = file.Read("artery/client/files/" .. filename,"DATA")
	if cache == nil then --We don't have this file downloaded!
		net.Start("artery_requestcsfile")
		net.WriteString(filename)
		net.SendToServer()
		return
	end
	local thash = tonumber(util.CRC(cache))
	if hash != thash then
		print("I need to load a file",filename," but my hash was old, redownloading!")
		net.Start("artery_requestcsfile")
		net.WriteString(filename)
		net.SendToServer()
	else
		run_csfile(cache,filename)
	end
end)