// Copyright 2025 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

pub(crate) const DEFAULT_SCOPE: &str = "https://www.googleapis.com/auth/cloud-platform";
pub(crate) const GOOGLE_CLOUD_QUOTA_PROJECT_VAR: &str = "GOOGLE_CLOUD_QUOTA_PROJECT";
/// Token Exchange OAuth Grant Type
pub(crate) const TOKEN_EXCHANGE_GRANT_TYPE: &str =
    "urn:ietf:params:oauth:grant-type:token-exchange";
#[cfg(feature = "idtoken")]
/// JWT Bearer OAuth Grant Type
pub(crate) const JWT_BEARER_GRANT_TYPE: &str = "urn:ietf:params:oauth:grant-type:jwt-bearer";
pub(crate) const STS_TOKEN_URL: &str = "https://sts.googleapis.com/v1/token";
pub(crate) const OAUTH2_TOKEN_SERVER_URL: &str = "https://oauth2.googleapis.com/token";
/// Access Token Oauth Token Type
pub(crate) const ACCESS_TOKEN_TYPE: &str = "urn:ietf:params:oauth:token-type:access_token";
/// JWT OAuth Token Type
pub(crate) const JWT_TOKEN_TYPE: &str = "urn:ietf:params:oauth:token-type:jwt";
/// SAML2 Token OAuth Token Type
pub(crate) const SAML2_TOKEN_TYPE: &str = "urn:ietf:params:oauth:token-type:saml2";
/// ID Token OAuth Token Type
pub(crate) const ID_TOKEN_TYPE: &str = "urn:ietf:params:oauth:token-type:id_token";

pub(crate) const RETRY_EXHAUSTED_ERROR: &str = "Fetching the token resulted in transient errors. Subsequent calls with this credential might succeed.";
pub(crate) const TOKEN_FETCH_FAILED_ERROR: &str =
    "Request to fetch the token failed. Subsequent calls with this credential will also fail.";

pub(crate) const TRUST_BOUNDARY_HEADER: &str = "x-goog-allowed-locations";

pub(crate) const DEFAULT_UNIVERSE_DOMAIN: &str = "googleapis.com";
