package main

import (
	"flag"

	"bitbucket.org/lightcodelabs/ingress/internal/caddy"
	"k8s.io/klog"
)

func parseFlags() caddy.ControllerConfig {
	var email string
	flag.StringVar(&email, "email", "", "the email address to use for requesting tls certificates if automatic https is enabled.")

	var namespace string
	flag.StringVar(&namespace, "observe-namespace", "", "the namespace that you would like to observe kubernetes ingress resources in.")

	var enableAutomaticTLS bool
	flag.BoolVar(&enableAutomaticTLS, "tls", false, "defines if automatic tls should be enabled for hostnames defined in ingress resources.")

	var tlsUseStaging bool
	flag.BoolVar(&tlsUseStaging, "tls-use-staging", false, "defines if the lets-encrypt staging server should be used for testing the provisioning of tls certificates.")

	flag.Parse()

	if email == "" && enableAutomaticTLS {
		klog.Info("An email must be defined for automatic tls features, set flag `email` with the email address you would like to use for certificate registration.")
		enableAutomaticTLS = false
	}

	return caddy.ControllerConfig{
		Email:          email,
		AutomaticTLS:   enableAutomaticTLS,
		TLSUseStaging:  tlsUseStaging,
		WatchNamespace: namespace,
	}
}