/*
 * Copyright (C) 2017 The Android Open Source Project
 *
 * 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
 *
 *      http://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.
 */

syntax = "proto2";
package android.adservices.service;

option java_outer_classname = "FledgeProtoEnums";
option java_multiple_files = true;

/**
 * Script language type.
 */
enum ScriptType {
  UNSET = 0;
  JAVASCRIPT = 1;
  WASM = 2;
}

// Logs the type of beacon reporting destination.
enum BeaconReportingDestinationType {
  UNSET_DESTINATION = 0;
  SELLER_DESTINATION = 1;
  BUYER_DESTINATION = 2;
  SELLER_AND_BUYER_DESTINATION = 3;
}

// Results of signature verification process.
enum VerificationStatus {
    UNKNOWN = 0;
    VERIFICATION_FAILED = 1;
    VERIFIED = 2;
}

// The result code of a K-Anon Job (triggered immediately after auction or via background job)
enum KAnonJobResult {
  KANON_JOB_RESULT_UNSET = 0;
  KANON_JOB_RESULT_INITIALIZE_FAILED = 1;
  KANON_JOB_RESULT_SOME_OR_ALL_SIGN_FAILED = 2;
  KANON_JOB_RESULT_SOME_OR_ALL_JOIN_FAILED = 3;
  KANON_JOB_RESULT_SUCCESS = 4;
}

// The result code of an individual K-Anon action
enum KAnonActionResult {
  KANON_ACTION_FAILURE_REASON_UNSET = 0;
  KANON_ACTION_FAILURE_REASON_NETWORK_EXCEPTION = 1; // 404 for example
  KANON_ACTION_FAILURE_REASON_SERVER_EXCEPTION = 2; // Server failed our request
  KANON_ACTION_FAILURE_REASON_PROTO_PARSE_EXCEPTION = 3;  // Couldn't parse proto. Most likely if Server returned a malformed response
  KANON_ACTION_FAILURE_REASON_INTERNAL_ERROR = 4;  // A non-proto or server related error, internal to implementation
  KANON_ACTION_FAILURE_REASON_UNKNOWN_ERROR = 5;
}

// Lists all the type of different KAnon actions
enum KAnonAction {
  KANON_ACTION_UNSET = 0;
  // 1 - 7 are actions required to initialize a K-Anon Caller
  KANON_ACTION_GET_CHALLENGE_HTTP_CALL = 1;
  KANON_ACTION_KEY_ATTESTATION_CERT_GENERATION = 2;
  KANON_ACTION_SERVER_PARAM_HTTP_CALL = 3;
  KANON_ACTION_SERVER_PUBLIC_PARAMS_PROTO_COMPOSITION = 4;
  KANON_ACTION_GENERATE_CLIENT_PARAM_ACT = 5;
  KANON_ACTION_REGISTER_CLIENT_HTTP_CALL = 6;
  KANON_ACTION_REGISTER_CLIENT_RESPONSE_PROTO_COMPOSITION = 7;

  // Following are various actions required to perform the sign and join calls
  KANON_ACTION_GENERATE_TOKENS_REQUEST_ACT = 8;
  KANON_ACTION_GET_TOKENS_REQUEST_HTTP_CALL = 9;
  KANON_ACTION_GET_TOKENS_RESPONSE_PROTO_COMPOSITION = 10;
  KANON_ACTION_VERIFY_TOKENS_RESPONSE_ACT = 11;
  KANON_ACTION_RECOVER_TOKENS_ACT = 12;
  KANON_ACTION_JOIN_HTTP_CALL = 13;

}

// The result of a KAnon Key Attestation action
enum KAnonKeyAttestationResult {
  KEY_ATTESTATION_RESULT_UNSET = 0;
  KEY_ATTESTATION_RESULT_KEYSTORE_EXCEPTION = 1;
  KEY_ATTESTATION_RESULT_ILLEGAL_STATE_EXCEPTION = 2;
  KEY_ATTESTATION_RESULT_CERTIFICATE_EXCEPTION = 3;
  KEY_ATTESTATION_RESULT_IO_EXCEPTION = 4;
  KEY_ATTESTATION_RESULT_NO_SUCH_ALGORITHM_EXCEPTION = 5;
  KEY_ATTESTATION_RESULT_SUCCESS = 6;
}

// Leaving these not tied to specific numbers gives us flexibility to change them later
enum Size {
    UNSET_SIZE = 0;
    VERY_SMALL = 1;
    SMALL = 2;
    MEDIUM = 3;
    LARGE = 4;
    VERY_LARGE = 5;
}

enum ServerAuctionKeyFetchSource {
  SERVER_AUCTION_KEY_FETCH_SOURCE_UNSET = 0;
  SERVER_AUCTION_KEY_FETCH_SOURCE_BACKGROUND_FETCH = 1;
  SERVER_AUCTION_KEY_FETCH_SOURCE_AUCTION = 2;
}

enum BackgroundKeyFetchStatus {
  BACKGROUND_KEY_FETCH_STATUS_UNSET = 0;
  BACKGROUND_KEY_FETCH_STATUS_NO_OP = 1;
  BACKGROUND_KEY_FETCH_STATUS_REFRESH_KEYS_INITIATED = 2;
}

enum ServerAuctionCoordinatorSource {
  SERVER_AUCTION_COORDINATOR_SOURCE_UNSET = 0;
  SERVER_AUCTION_COORDINATOR_SOURCE_DEFAULT = 1;
  SERVER_AUCTION_COORDINATOR_SOURCE_API = 2;
}

enum ServerAuctionEncryptionKeySource {
  SERVER_AUCTION_ENCRYPTION_KEY_SOURCE_UNSET = 0;
  SERVER_AUCTION_ENCRYPTION_KEY_SOURCE_DATABASE = 1;
  SERVER_AUCTION_ENCRYPTION_KEY_SOURCE_NETWORK = 2;
}

enum JsRunStatus {
    UNSET_STATUS = 0;
    SUCCESS = 1;
    TIMEOUT = 2;
    JS_SYNTAX_ERROR = 3;
    OUTPUT_SYNTAX_ERROR = 4;
    OUTPUT_SEMANTIC_ERROR = 5;
    OUTPUT_NON_ZERO_RESULT = 6;
    DB_PERSIST_FAILURE = 7;
    OTHER_FAILURE = 8;
    REFERENCE_ERROR = 9;
}