Refactor CLI for testability and implement hermetic config path injection

1 files changed, 18 insertions, 0 deletions

diff --git a/internal/config/config.go b/internal/config/config.go
index 5aa8462..d81a1f6 100644
--- a/internal/config/config.go
+++ b/internal/config/config.go
@@ -1,7 +1,25 @@
 package config
 
+import (
+	"os"
+	"path/filepath"
+)
+
 type Config struct {
 	Profile   string
 	DNSServer string
 	Command   []string
 }
+
+// GetDefaultProfilesDir returns the standard XDG path for wg-wrap profiles.
+func GetDefaultProfilesDir() string {
+	configHome := os.Getenv("XDG_CONFIG_HOME")
+	if configHome == "" {
+		home, err := os.UserHomeDir()
+		if err != nil {
+			return "etc/wg-wrap/profiles" // Fallback
+		}
+		configHome = filepath.Join(home, ".config")
+	}
+	return filepath.Join(configHome, "wg-wrap", "profiles")
+}