fix

src/composables/useAuth.ts

@@ -0,0 +1,47 @@
+import { invoke } from "@tauri-apps/api/core";
+import { ref } from "vue";
+
+const TOKEN_STORAGE_KEY = "ewa-mobile.authToken";
+const authToken = ref(localStorage.getItem(TOKEN_STORAGE_KEY) ?? "");
+let restored = false;
+
+interface AuthTokenResponse {
+  token: string;
+}
+
+export function useAuth() {
+  async function login(username: string, password: string) {
+    const response = await invoke<AuthTokenResponse>("auth_login", { username, password });
+    authToken.value = response.token;
+    localStorage.setItem(TOKEN_STORAGE_KEY, response.token);
+    restored = true;
+  }
+
+  async function logout() {
+    authToken.value = "";
+    localStorage.removeItem(TOKEN_STORAGE_KEY);
+    restored = false;
+    await invoke("auth_logout");
+  }
+
+  async function restoreToken() {
+    if (restored || !authToken.value) {
+      return;
+    }
+
+    await invoke("auth_set_token", { token: authToken.value });
+    restored = true;
+  }
+
+  return {
+    authToken,
+    isAuthenticated,
+    login,
+    logout,
+    restoreToken,
+  };
+}
+
+export function isAuthenticated() {
+  return Boolean(authToken.value);
+}