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module (..., package.seeall)

-- Load libraries
require("posix")
require("validator")

-- ################################################################################
-- LOCAL FUNCTIONS

local function displaycmdmanagement(pidofstatus)
	-- 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",
		})
	-- next CFE can be used to present the result of the previous action
	management.actionresult = cfe({ name="actionresult",
		label="Previous action result",
		})

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

	return management
end

local function displaycmdsave(self)
	-- Add a cmd button to the view
	local cmdsave = cfe({ name="cmdsave",
		label="Save/Apply above settings",
		value="Save",
		type="submit",
		})
	return cmdsave
end

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

default_action = "config"

function config(self)
	local errors = {}
	local modify_opts = nil
	local cmdsavereply = {}
	local cmdsaveresult = {}

	-- Start/Stop/Restart process
	local cmdmanagement, actionresult
	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)
			}),
		})
		actionresult, cmdmanagement = self.model:startstop_service( cmdmanagement.action )
	end

	return ( {status = status, 
		config = self.model.read_config(),
		management = management,
		url = url, 
		errors = errors,
		cmdsavereply = cmdsavereply,
		cmdsaveresult = cmdsaveresult,
		modify_opts = modify_opts,
		clientdata = self.clientdata,
		} )
end

function logfile(self)

	local status = self.model:getstatus(self)
	local logfile = self.model:get_logfile()

	return ({
		status = status, 
		logfile = logfile, 
		url = url,
		})
end

function status (self)
	local cmd = self.clientdata.cmd
	local url = self.conf.script .. self.conf.prefix .. self.conf.controller
	return ( {status = "whoops", url = url } )
end

function expert (self)
	local modifications = self.clientdata.filecontent or ""
	if ( self.clientdata.cmdsave ) then
		modifications = self.model:update_filecontent(modifications)
	end
	local url = self.conf.script .. self.conf.prefix .. self.conf.controller

	-- Start/Stop/Restart process
	local cmdmanagement, actionresult
	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)
			}),
		})
		actionresult, cmdmanagement = self.model:startstop_service( cmdmanagement.action )
	end

	local status = self.model: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 (Hide/show buttons
	local pidofstatus
	if (string.lower(status.status.value) == "enabled" ) then pidofstatus = true end
	management = displaycmdmanagement(pidofstatus)
	if (actionresult) then
		management.actionresult.descr=cmdmanagement.descr
		management.actionresult.errtxt=cmdmanagement.errtxt
	end
	if (status) and (status.version) and (#status.version.value == 0) then
		management.start.disabled = "yes"
		management.stop.disabled = "yes"
		management.restart.disabled = "yes"
	end

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