package agent

import (
	"flag"
)

// Device Agent Configuration
type Config struct {
	ClassesPath string
	LogLevel    string
	EnablePprof bool
	Workers     int
	StartServer bool
}

// queueWorkers is number of workers to process device updates
var defaultQueueWorkers = 3

// BindFlags will bind the arguments/env vars to the configuration struct
func (cfg *Config) BindFlags(fs *flag.FlagSet) {
	fs.StringVar(
		&cfg.ClassesPath,
		"classes-path",
		"/etc",
		"path to device persistence dir",
	)
	fs.StringVar(
		&cfg.LogLevel,
		"log-level",
		"info",
		"log level for device agent",
	)
	fs.IntVar(
		&cfg.Workers,
		"workers",
		defaultQueueWorkers,
		"number of workers to handle device event updates",
	)
	fs.BoolVar(
		&cfg.EnablePprof,
		"pprof",
		false,
		"enables pprof endpoint",
	)
	fs.BoolVar(
		&cfg.StartServer,
		"start",
		true,
		"indicates whether to start the device agent server or exit gracefully",
	)
}