Host can be chosen by IP

utils/utils.go

@@ -3,6 +3,7 @@ package utils
 import (
 	"bufio"
 	"fmt"
+	"net"
 	"os"
 	"strconv"
 	"strings"
@@ -23,7 +24,13 @@ func ChooseFromList(resourcesList []resources.Resource) (resources.Resource, err
 		reader := bufio.NewReader(os.Stdin)
 		fmt.Print("Choose your ship: ")
 		choose, _ := reader.ReadString('\n')
-		idx, err := strconv.Atoi(strings.TrimSuffix(choose, "\n"))
+		choose = strings.TrimSuffix(choose, "\n")
+
+		if choosenIP(choose) {
+			return findResourceByIP(choose, resourcesList)
+		}
+
+		idx, err := strconv.Atoi(choose)
 		if len(resourcesList)+1 <= idx || idx < 1 || err != nil {
 			return nil, fmt.Errorf("unknown choose %s", choose)
 		}
@@ -32,3 +39,17 @@ func ChooseFromList(resourcesList []resources.Resource) (resources.Resource, err
 		return nil, fmt.Errorf("no possible elements to display")
 	}
 }
+
+func choosenIP(id string) bool {
+	ip := net.ParseIP(id)
+	return ip != nil
+}
+
+func findResourceByIP(ip string, resourcesList []resources.Resource) (resources.Resource, error) {
+	for _, v := range resourcesList {
+		if v.ConnectIdentifier(true, false) == ip {
+			return v, nil
+		}
+	}
+	return nil, fmt.Errorf("could not find resource with specified IP")
+}