feat: add mode selecting (#15)

Co-authored-by: Timo Behrendt <t.behrendt@t00n.de>
Co-committed-by: Timo Behrendt <t.behrendt@t00n.de>

main.go

@@ -2,9 +2,7 @@ package main
 
 import (
 	"fmt"
-	"time"
 
-	"realdnydns/pkg/changeDetector"
 	"realdnydns/pkg/config"
 	"realdnydns/pkg/dnsProvider"
 	ionos "realdnydns/pkg/dnsProvider/ionos"
@@ -13,8 +11,7 @@ import (
 	"realdnydns/pkg/notificationProvider"
 	notificationProviderConsole "realdnydns/pkg/notificationProvider/console"
 	gotify "realdnydns/pkg/notificationProvider/gotify"
-
-	"github.com/go-co-op/gocron"
+	"realdnydns/pkg/realDynDns"
 )
 
 func main() {
@@ -71,27 +68,26 @@ func main() {
 			panic(err)
 		}
 	default:
-		// Use default console notification provider
 		notificationProvider = notificationProviderConsole.New()
 	}
 
-	changeDetector := changeDetector.New(externalIpProvider, dnsProvider, notificationProvider, configClient.Domains)
+	rdd := realDynDns.New(externalIpProvider, dnsProvider, notificationProvider, configClient.Domains)
 
-	s := gocron.NewScheduler(time.UTC)
-	s.SingletonMode()
-	job, err := s.CronWithSeconds(configClient.CheckInterval).DoWithJobDetails(func(job gocron.Job) {
-		numberChanged, err := changeDetector.DetectAndApplyChanges()
-		if err != nil {
-			panic(err)
-		}
-		fmt.Printf("Number of changes: %d\n", numberChanged)
-		fmt.Println("Next run:", job.NextRun())
-	})
-	if err != nil {
-		panic(err)
+	switch configClient.Mode {
+		case config.ScheduledMode:
+			schedule, job, err := rdd.RunWithSchedule(configClient.CheckInterval)
+			if err != nil {
+				panic(err)
+			}
+
+			fmt.Println("Starting scheduler")
+			fmt.Println("Next run:", job.NextRun())
+			schedule.StartBlocking()
+		case config.RunOnceMode:
+			numberOfChanges, err := rdd.RunOnce()
+			if err != nil {
+				panic(err)
+			}
+			fmt.Println("Number of changes:", numberOfChanges)
 	}
-
-	fmt.Println("Starting scheduler")
-	fmt.Println("Next run:", job.NextRun())
-	s.StartBlocking()
 }