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module(..., package.seeall)

-- Load libraries
require("format")

local function handle_form(getFunction, setFunction, clientdata, option, label, descr)
	local form = getFunction()

	if clientdata[option] then
		form.errtxt = nil
		for name,value in pairs(form.value) do
			value.errtxt = nil
			if value.type == "boolean" then
				value.value = (clientdata[name] ~= nil)
			elseif value.type == "list" then
				value.value = {}
				if clientdata[name] and clientdata[name] ~= "" then
					for ip in string.gmatch(clientdata[name].."\n", "%s*(%S[^\n]*%S)%s*\n") do
						table.insert(value.value, ip)
					end
				end
			else
				value.value = clientdata[name] or value.value
			end
		end
		form = setFunction(form)
		if not form.errtxt then
			form.descr = descr
		end
	end

	form.type = "form"
	form.option = option
	form.label = label

	return form
end

default_action = "status"

function status(self)
	return self.model.getstatus()
end

function startstop(self)
	local result
	if self.clientdata.action then
		result = self.model.startstop_service(self.clientdata.action)
		self.sessiondata.dnscachestartstopresult = result
		self.redirect_to_referrer(self)
	end

	local status = self.model.getstatus()
	status = status.value.status
	if self.sessiondata.dnscachestartstopresult then
		result = self.sessiondata.dnscachestartstopresult
		self.sessiondata.dnscachestartstopresult = nil
	end

	return cfe({ type="group", value={status=status, result=result} })
end

function config(self)
	return handle_form(self.model.getconfig, self.model.setconfig, self.clientdata, "Save", "Edit Config", "Configuration Set")
end

function expert(self)
	local filedetails
	if self.clientdata.Save then
		filedetails = self.model.setconfigfile(self.clientdata.filecontent)
		if not filedetails.errtxt then
			filedetails.descr = "Config file set"
		end
	else
		filedetails = self.model.getconfigfile()
	end

	filedetails.type = "form"
	filedetails.option = "Save"
	filedetails.label = "Set config file"

	return filedetails
end

function editips(self)
	return handle_form(self.model.getIPs, self.model.setIPs, self.clientdata, "Save", "Edit IP List", "IP List Set")
end

function listdomains(self)
	return self.model.getDomains()
end

function createdomain(self)
	local cmdresult = handle_form(self.model.getNewDomain, self.model.setNewDomain, self.clientdata, "Create", "Create new domain", "New domain created")
	if cmdresult.descr then
		redirect_to_referrer(self)
	end
	return cmdresult
end

function editdomain(self)
	return handle_form(function(form) return self.model.getDomain(self.clientdata.domain) end,
		self.model.setDomain, self.clientdata, "Save", "Edit domain entry", "Domain saved")
end

function deletedomain(self)
	local cmdresult = self.model.deleteDomain(self.clientdata.domain)
	redirect_to_referrer(self)
	return cmdresult
end