this damn refresh token

internal/auth/handler.go

@@ -103,6 +103,36 @@ func (h *Handler) Login(w http.ResponseWriter, r *http.Request) {
 	})
 }
 
+func (h *Handler) RefreshToken(w http.ResponseWriter, r *http.Request) {
+	var req struct {
+		RefreshToken string `json:"refresh_token"`
+	}
+	if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
+		w.Header().Set("Content-Type", "application/json")
+		w.WriteHeader(http.StatusBadRequest)
+		json.NewEncoder(w).Encode(map[string]string{"error": "invalid request"})
+		return
+	}
+
+	// Verify refresh token and get user
+	claims, err := config.VerifyRefreshToken(req.RefreshToken)
+	if err != nil {
+		w.Header().Set("Content-Type", "application/json")
+		w.WriteHeader(http.StatusUnauthorized)
+		json.NewEncoder(w).Encode(map[string]string{"error": "invalid refresh token"})
+		return
+	}
+
+	// Generate new access token
+	newAccessToken, _ := config.GenerateAccessToken(claims.UserID, claims.Email, claims.Username)
+
+	w.Header().Set("Content-Type", "application/json")
+	json.NewEncoder(w).Encode(map[string]interface{}{
+		"access_token": newAccessToken,
+		"expires_in":   900,
+	})
+}
+
 func (h *Handler) RequestPasswordReset(w http.ResponseWriter, r *http.Request) {
 	var req struct {
 		Email string `json:"email"`
@@ -114,7 +144,13 @@ func (h *Handler) RequestPasswordReset(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	h.userService.RequestPasswordReset(req.Email)
+	err := h.userService.RequestPasswordReset(req.Email)
+	if err != nil {
+		w.Header().Set("Content-Type", "application/json")
+		w.WriteHeader(http.StatusBadRequest)
+		json.NewEncoder(w).Encode(map[string]string{"error": err.Error()})
+		return
+	}
 
 	w.Header().Set("Content-Type", "application/json")
 	json.NewEncoder(w).Encode(map[string]string{