feat: new cli command and new logic for rules on dir

cmd/banforge/command/rule.go

@@ -3,19 +3,22 @@ package command
 import (
 	"fmt"
 	"os"
+	"path/filepath"
 
 	"github.com/d3m0k1d/BanForge/internal/config"
+	"github.com/jedib0t/go-pretty/v6/table"
 	"github.com/spf13/cobra"
 )
 
 var (
-	name      string
-	service   string
-	path      string
-	status    string
-	method    string
-	ttl       string
-	max_retry int
+	name     string
+	service  string
+	path     string
+	status   string
+	method   string
+	ttl      string
+	maxRetry int
+	editName string
 )
 
 var RuleCmd = &cobra.Command{
@@ -25,24 +28,25 @@ var RuleCmd = &cobra.Command{
 
 var AddCmd = &cobra.Command{
 	Use:   "add",
-	Short: "CLI interface for add new rule to file /etc/banforge/rules.toml",
+	Short: "Add a new rule to /etc/banforge/rules.d/",
+	Long:  "Creates a new rule file in /etc/banforge/rules.d/<name>.toml",
 	Run: func(cmd *cobra.Command, args []string) {
 		if name == "" {
-			fmt.Printf("Rule name can't be empty\n")
+			fmt.Println("Rule name can't be empty (use -n flag)")
 			os.Exit(1)
 		}
 		if service == "" {
-			fmt.Printf("Service name can't be empty\n")
+			fmt.Println("Service name can't be empty (use -s flag)")
 			os.Exit(1)
 		}
 		if path == "" && status == "" && method == "" {
-			fmt.Printf("At least 1 rule field must be filled in.")
+			fmt.Println("At least one rule field must be filled: path, status, or method")
 			os.Exit(1)
 		}
 		if ttl == "" {
 			ttl = "1y"
 		}
-		err := config.NewRule(name, service, path, status, method, ttl, max_retry)
+		err := config.NewRule(name, service, path, status, method, ttl, maxRetry)
 		if err != nil {
 			fmt.Println(err)
 			os.Exit(1)
@@ -51,37 +55,103 @@ var AddCmd = &cobra.Command{
 	},
 }
 
-var ListCmd = &cobra.Command{
-	Use:   "list",
-	Short: "List rules",
+var EditCmd = &cobra.Command{
+	Use:   "edit",
+	Short: "Edit an existing rule",
+	Long:  "Edit rule fields by name. Only specified fields will be updated.",
 	Run: func(cmd *cobra.Command, args []string) {
-		r, err := config.LoadRuleConfig()
+		if editName == "" {
+			fmt.Println("Rule name is required (use -n flag)")
+			os.Exit(1)
+		}
+		if service == "" && path == "" && status == "" && method == "" {
+			fmt.Println("At least one field must be specified to edit: -s, -p, -c, or -m")
+			os.Exit(1)
+		}
+		err := config.EditRule(editName, service, path, status, method)
 		if err != nil {
 			fmt.Println(err)
 			os.Exit(1)
 		}
-		for _, rule := range r {
-			fmt.Printf(
-				"Name: %s\nService: %s\nPath: %s\nStatus: %s\n MaxRetry: %d\nMethod: %s\n\n",
+		fmt.Println("Rule updated successfully!")
+	},
+}
+
+var RemoveCmd = &cobra.Command{
+	Use:   "remove <name>",
+	Short: "Remove a rule by name",
+	Args:  cobra.ExactArgs(1),
+	Run: func(cmd *cobra.Command, args []string) {
+		ruleName := args[0]
+		fileName := config.SanitizeRuleFilename(ruleName) + ".toml"
+		filePath := filepath.Join("/etc/banforge/rules.d", fileName)
+
+		if _, err := os.Stat(filePath); os.IsNotExist(err) {
+			fmt.Printf("Rule '%s' not found\n", ruleName)
+			os.Exit(1)
+		}
+
+		if err := os.Remove(filePath); err != nil {
+			fmt.Printf("Failed to remove rule: %v\n", err)
+			os.Exit(1)
+		}
+		fmt.Printf("Rule '%s' removed successfully\n", ruleName)
+	},
+}
+
+var ListCmd = &cobra.Command{
+	Use:   "list",
+	Short: "List all rules",
+	Run: func(cmd *cobra.Command, args []string) {
+		rules, err := config.LoadRuleConfig()
+		if err != nil {
+			fmt.Println(err)
+			os.Exit(1)
+		}
+
+		if len(rules) == 0 {
+			fmt.Println("No rules found")
+			return
+		}
+
+		t := table.NewWriter()
+		t.SetOutputMirror(os.Stdout)
+		t.AppendHeader(table.Row{
+			"Name", "Service", "Path", "Status", "Method", "MaxRetry", "BanTime",
+		})
+
+		for _, rule := range rules {
+			t.AppendRow(table.Row{
 				rule.Name,
 				rule.ServiceName,
 				rule.Path,
 				rule.Status,
-				rule.MaxRetry,
 				rule.Method,
-			)
+				rule.MaxRetry,
+				rule.BanTime,
+			})
 		}
+		t.Render()
 	},
 }
 
 func RuleRegister() {
 	RuleCmd.AddCommand(AddCmd)
+	RuleCmd.AddCommand(EditCmd)
+	RuleCmd.AddCommand(RemoveCmd)
 	RuleCmd.AddCommand(ListCmd)
+
 	AddCmd.Flags().StringVarP(&name, "name", "n", "", "rule name (required)")
-	AddCmd.Flags().StringVarP(&service, "service", "s", "", "service name")
+	AddCmd.Flags().StringVarP(&service, "service", "s", "", "service name (required)")
 	AddCmd.Flags().StringVarP(&path, "path", "p", "", "request path")
 	AddCmd.Flags().StringVarP(&status, "status", "c", "", "status code")
-	AddCmd.Flags().StringVarP(&method, "method", "m", "", "method")
-	AddCmd.Flags().StringVarP(&ttl, "ttl", "t", "", "ban time")
-	AddCmd.Flags().IntVarP(&max_retry, "max_retry", "r", 0, "max retry")
+	AddCmd.Flags().StringVarP(&method, "method", "m", "", "HTTP method")
+	AddCmd.Flags().StringVarP(&ttl, "ttl", "t", "", "ban time (e.g., 1h, 1d, 1y)")
+	AddCmd.Flags().IntVarP(&maxRetry, "max_retry", "r", 0, "max retry before ban")
+
+	EditCmd.Flags().StringVarP(&editName, "name", "n", "", "rule name to edit (required)")
+	EditCmd.Flags().StringVarP(&service, "service", "s", "", "new service name")
+	EditCmd.Flags().StringVarP(&path, "path", "p", "", "new path")
+	EditCmd.Flags().StringVarP(&status, "status", "c", "", "new status code")
+	EditCmd.Flags().StringVarP(&method, "method", "m", "", "new HTTP method")
 }