feat: Login api check

internal/command/login.go

@@ -6,6 +6,7 @@ import (
 	"github.com/erikgeiser/promptkit/textinput"
 	"github.com/spf13/cobra"
 	"github.com/squarecloudofc/cli/internal/cli"
+	"github.com/squarecloudofc/cli/internal/rest"
 )
 
 func NewLoginCommand(squareCli *cli.SquareCli) *cobra.Command {
@@ -35,10 +36,23 @@ func runLoginCommand(squareCli *cli.SquareCli) RunEFunc {
 			return
 		}
 
+		restClient := rest.NewClient(token)
+
+        self, err := restClient.SelfUser()
+
+        if err != nil {
+            return
+        }
+
+        if self == nil || self.User.Tag == "" {
+            fmt.Fprintf(squareCli.Out(), "No user associated for this Square Cloud Token\n")
+            return
+        }
+
 		squareCli.Config.AuthToken = token
 		squareCli.Config.Save()
 
-		fmt.Fprintln(squareCli.Out(), "Your API Token has successfuly changed")
+		fmt.Fprintf(squareCli.Out(), "Your API Token has successfuly changed! You are now logged in a %s\n", self.User.Tag)
 		fmt.Fprintln(squareCli.Out(), "\nWith great power comes great responsibility!")
 		return
 	}