module (..., package.seeall)
require("posix")
-- Cause an http redirect to our "read" action
-- We use the self.conf table because it already has prefix,controller,etc
-- The redir code is defined in the application error handler (acf-controller)
local list_redir = function (self)
	self.conf.action = "status"
	self.conf.type = "redir"
	error (self.conf)
end

mvc={}
mvc.on_load = function(self, parent)
	if (self.worker[self.conf.action] == nil ) or ( self.conf.action == "init" ) then
		self.worker[self.conf.action] = list_redir(self)
	end
end

local function getstatus(self)
	local status = self.model.getstatus()
	if (#status.status.value > 0) then
		status.status.value = "Enabled"
	else
		status.status.value = "Disabled"
	end
	return status
end

local function displaycmdmanagement(disablestart,disablestop,disablerestart)
	-- Add a management buttons
	local management = {}
	management.start = cfe({ name="cmdmanagement",
		label="Program control-panel",
		value="Start",
		type="submit",
		})
	management.stop = cfe({ name="cmdmanagement",
		label="Program control-panel",
		value="Stop",
		type="submit",
		})
	management.restart = cfe({ name="cmdmanagement",
		label="Program control-panel",
		value="Restart",
		type="submit",
		})

	-- Disable management buttons based on if the process is running or not
	if (disablestart) then management.start.disabled = "yes" end
	if (disablestop) then management.stop.disabled = "yes" end
	if (disablerestart) then management.restart.disabled = "yes" end

	return management
end

function status(self)
	local srvcmdresult = nil
	local srvcmd = self.clientdata.srvcmd
	local status = getstatus(self)

	local alerts,alertresult = self.model:read_alert()
	return ({
		status = status, 
		alerts=alerts,
		alertresult=alertresult,
		url = ENV["SCRIPT_NAME"] .. self.conf.prefix .. self.conf.controller} )
end

function expert(self)
	local cmd = self.clientdata.cmd
	local url = ENV["SCRIPT_NAME"] .. self.conf.prefix .. self.conf.controller

	local modifications = self.clientdata.filecontent or ""
	if ( self.clientdata.cmdsave ) then
		modifications = self.model:update_filecontent(modifications)
	end

	-- Start/Stop/Restart process
	local cmdmanagement
	if ( self.clientdata.cmdmanagement) then
	cmdmanagement = cfe({ 
		name="cmdmanagement",
		label="Previous action result",
		action=cfe({ 
			name="cmdmanagement", 
			value=string.lower(self.clientdata.cmdmanagement),  -- This row contains start/stop/restart (one of these commands)
			}),
		})
		local actionresult, cmdmanagement = self.model:startstop_service( cmdmanagement.action )
	end

	local status = getstatus(self)
	local file = self.model:get_filedetails()

	-- Add buttons
	file.cmdsave = cfe ({
		name="cmdsave",
		label="Apply settings",
		value="Apply",
		type="submit",
		})
	if (self.clientdata.cmdsave) then
		file.cmdsave.descr="* Changes has been saved!"
	end	

	-- Management buttons
	local disablestart,disablestop,disablerestart
	-- Disable management buttons based on if the process is running or not
	if (string.lower(status.status.value) == "enabled" ) then
		disablestart = "yes"
	else
		disablestop = "yes"
	end
	-- Display management buttons
	local management = displaycmdmanagement(disablestart,disablestop,disablerestart)



--	if ( cmd ~= nil ) then
--		startstop = self.model:startstop_service( cmd )
--	end

	return ( {
		management = management,
		cmdmanagement = cmdmanagement,
		status = status, 
		file = file, 
		modifications = modifications,
		url = url, } )
end