--
-- lua function to turn off/on special function SD Logs
--

--
--  variables for demo
--
local lastActive = 0													-- for demo: toggles SD Logs on/off every 5s
local interval = 500													
local enable = 0															

--
-- internal variables for SD Logs enable/disable function 
--
local nSF = 64																-- 64 special functions to consider
local logsSFIndex = nil												-- index of logs special function
local logsTable = nil													-- copy of logs special function data

-- init function
local function init()													

	-- init fuction for SD Logs enable/disable function
	local function initSDLogEnable()						-- initializes the logs enable/disable function
	for i = 0, nSF-1 do													-- search for existance of logs SF 
			local cf = model.getCustomFunction(i)		-- get special function
		
			if cf ~= nil then	
				if cf.func == FUNC_LOGS and 					-- check if it is the SD Logs special function
					logsSFIndex == nil then
					logsTable = cf											-- if found copy entry
					logsSFIndex = i											-- memorize index
					break																-- exit search loop
					
					print(logsTable.trigger)
				end
			end
		end
	end
	
	-- main init function
	initSDLogEnable()														-- Initialize the logs enable/disable function
end

-- run function
local function run()
	local function SDLogsEnable(enable)					-- function to enable/disable SD Logs
		if logsTable ~= nil then
			logsTable.active = enable								-- enable/disable SD Logs specialk function
			model.setCustomFunction(logsSFIndex, logsTable)
		end
		
	end
	
	-- demo function
	local function demoSDLogsOnOff()
		local now = getTime()
	
		if now >= (lastActive + interval) then
			lastActive = now	
				
			if enable == 0 then
				enable = 1
			else
				enable = 0
			end

			SDLogsEnable(enable)
		end
	end
	
	-- main run function
	demoSDLogsOnOff()
end

return { init = init, run = run }