Implement central logging function and debug mode switching

cmd/server/main.go

@@ -1,23 +1,70 @@
 package main
 
 import (
+	"fmt"
 	"log"
+	"time"
 
 	"github.com/gin-gonic/gin"
+	"github.com/swissmakers/fail2ban-ui/internal/config"
 	"github.com/swissmakers/fail2ban-ui/pkg/web"
 )
 
 func main() {
-	r := gin.Default()
+	settings := config.GetSettings()
 
-	// Load HTML templates from pkg/web/templates
-	r.LoadHTMLGlob("pkg/web/templates/*")
+	// Set Gin mode based on settings
+	if settings.Debug {
+		gin.SetMode(gin.DebugMode)
+	} else {
+		gin.SetMode(gin.ReleaseMode)
+	}
 
-	// Register our routes (IndexHandler, /api/summary, /api/jails/:jail/unban/:ip)
-	web.RegisterRoutes(r)
+	router := gin.Default()
+	router.LoadHTMLGlob("pkg/web/templates/*") // Load HTML templates from pkg/web/templates
+	web.RegisterRoutes(router)                 // Register routes (IndexHandler, /api/summary, jail/unban/:ip) etc..
 
-	log.Println("Starting Fail2ban-UI server on :8080.")
-	if err := r.Run(":8080"); err != nil {
+	printWelcomeBanner()
+	log.Println("--- Fail2Ban-UI started in", gin.Mode(), "mode ---")
+	log.Println("Server listening on port :8080.")
+
+	if err := router.Run(":8080"); err != nil {
 		log.Fatalf("Server crashed: %v", err)
 	}
 }
+
+// printWelcomeBanner prints a cool Tux banner with startup info
+func printWelcomeBanner() {
+	greeting := getGreeting()
+	const tuxBanner = `
+      .--.
+     |o_o |     %s
+     |:_/ |
+    //   \ \
+   (|     | )
+  /'\_   _/'\
+  \___)=(___/
+
+Fail2Ban UI - A Swissmade Management Interface
+----------------------------------------------
+Developers: https://swissmakers.ch
+Mode: %s
+Listening on: http://0.0.0.0:8080
+----------------------------------------------
+
+`
+	fmt.Printf(tuxBanner, greeting, gin.Mode())
+}
+
+// getGreeting returns a friendly greeting based on the time of day
+func getGreeting() string {
+	hour := time.Now().Hour()
+	switch {
+	case hour < 12:
+		return "Good morning!"
+	case hour < 18:
+		return "Good afternoon!"
+	default:
+		return "Good evening!"
+	}
+}