local mymodule = {}

-- Load libraries
modelfunctions = require("modelfunctions")
fs = require("acf.fs")
format = require("acf.format")

-- Set variables
local configfile = "/etc/shorewall/shorewall.conf"
local processname = "shorewall"
local packagename = "shorewall-shell"
local baseurl = "/etc/shorewall/"

-- ################################################################################
-- PUBLIC FUNCTIONS

function mymodule.getstatus()
	return modelfunctions.getstatus(processname, packagename, "Shorewall Status")
end

function mymodule.getstatusdetails()
	local programstate, errtxt = modelfunctions.run_executable({"shorewall", "status"}, true)
	return cfe({ value=programstate, label="Shorewall status report", errtxt=errtxt })
end

function mymodule.get_startstop(self, clientdata)       
        return modelfunctions.get_startstop(processname)
end

function mymodule.startstop_service(self, startstop, action)        
        return modelfunctions.startstop_service(startstop, action)
end

function mymodule.getlogfile ()
	local logfilepath = format.parse_ini_file(fs.read_file(configfile) or "","","LOGFILE") or ""
	return cfe({ value=logfilepath, label="Shorewall logfile" })
end

function mymodule.getfilelist ()
	local listed_files = {}

	if fs.is_dir(baseurl) then
		for name in posix.files(baseurl) do
			if not string.match(name, "^%.") and not string.match(name, "^Makefile") then
				local filedetails = fs.stat(baseurl .. name)
				table.insert ( listed_files , {filename=baseurl..name, mtime=filedetails.mtime, filesize=filedetails.size} )
			end
		end
	end

	table.sort(listed_files, function (a,b) return (a.filename < b.filename) end )

	return cfe({ type="list", value=listed_files, label="Shorewall File List" })
end

local function is_valid_filename(filename)
	local available_files = mymodule.getfilelist()
	for i,file in ipairs(available_files.value) do
		if file.filename == filename then
			return true
		end
	end
	return false
end

function mymodule.getfiledetails(filename)
	return modelfunctions.getfiledetails(filename, is_valid_filename)
end

function mymodule.updatefiledetails(self, filedetails)
	return modelfunctions.setfiledetails(self, filedetails, is_valid_filename)
end

return mymodule