authenticateWithOAuth method
Initiate OAuth authentication flow
Implementation
Future<OAuthToken> authenticateWithOAuth({
required List<String> scopes,
String? state,
}) async {
if (_oauthClient == null) {
throw StateError('OAuth not configured for this transport');
}
final authUrl = await _oauthClient.getAuthorizationUrl(
scopes: scopes,
state: state,
);
// In a real implementation, you would:
// 1. Open the auth URL in a browser
// 2. Handle the redirect
// 3. Extract the authorization code
// 4. Exchange it for a token
throw UnimplementedError(
'OAuth flow requires platform-specific implementation. '
'Authorization URL: $authUrl',
);
}