/*
 * Copyright (C) 2023 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;

// Recommended setup in go/java-proto-names
option java_outer_classname = "AdservicesProtoEnums";
option java_multiple_files = true;

/**
 * Type of the classifier used for classifying apps.
 */
enum ClassifierType {
  /** Unknown classifier option. */
  UNKNOWN_CLASSIFIER = 0;
  /** Only on-device classification. */
  ON_DEVICE_CLASSIFIER = 1;
  /** Only Precomputed classification. */
  PRECOMPUTED_CLASSIFIER = 2;
  /** Precomputed classification values are preferred over on-device classification values. */
  PRECOMPUTED_THEN_ON_DEVICE_CLASSIFIER = 3;
}

/**
 * On Device classifier status.
 */
enum OnDeviceClassifierStatus {
  ON_DEVICE_CLASSIFIER_STATUS_UNSPECIFIED = 0;
  ON_DEVICE_CLASSIFIER_STATUS_NOT_INVOKED = 1;
  ON_DEVICE_CLASSIFIER_STATUS_SUCCESS = 2;
  ON_DEVICE_CLASSIFIER_STATUS_FAILURE = 3;
}

/**
 * Precomputed classifier status.
 */
enum PrecomputedClassifierStatus {
  PRECOMPUTED_CLASSIFIER_STATUS_UNSPECIFIED = 0;
  PRECOMPUTED_CLASSIFIER_STATUS_NOT_INVOKED = 1;
  PRECOMPUTED_CLASSIFIER_STATUS_SUCCESS = 2;
  PRECOMPUTED_CLASSIFIER_STATUS_FAILURE = 3;
}

/**
 * Attribution types.
 */
enum AttributionType {
  UNKNOWN = 0;
  APP_APP = 1;
  APP_WEB = 2;
  WEB_APP = 3;
  WEB_WEB = 4;
}

/**
 * Enum representing an error/exception.  These errors can be common to all
 * PPAPIs or specific to a particular API. We will group enums in blocks of
 * 1000 like this below:
 * - Common errors: 1-1000
 * - Topics errors: 1001-2000
 * - Measurement errors: 2001-3000
 * - Fledge errors: 3001-4000
 * - UX errors: 4001-5000
 */
enum ErrorCode {
  // Common Errors: 1-1000
  ERROR_CODE_UNSPECIFIED = 0;
  DATABASE_READ_EXCEPTION = 1;
  DATABASE_WRITE_EXCEPTION = 2;
  API_REMOTE_EXCEPTION = 3;

  // Error occurred when unable to send result to the callback.
  API_CALLBACK_ERROR = 4;

  // Error occurred when failed to call the callback on Rate Limit Reached.
  RATE_LIMIT_CALLBACK_FAILURE = 5;

  // Error occurred when calling package name is not found.
  PACKAGE_NAME_NOT_FOUND_EXCEPTION = 6;

  // Shared pref update failure.
  SHARED_PREF_UPDATE_FAILURE = 7;

  // Shared pref reset failure.
  SHARED_PREF_RESET_FAILURE = 8;

  // Topics errors: 1001-2000
  // Remote exception when calling get topics.
  GET_TOPICS_REMOTE_EXCEPTION = 1001;

  // Topics API is disabled.
  TOPICS_API_DISABLED = 1002;

  // SQLException occurred when failed to persist classified Topics.
  TOPICS_PERSIST_CLASSIFIED_TOPICS_FAILURE = 1003;

  // SQLException occurred when failed to persist Top Topics.
  TOPICS_PERSIST_TOP_TOPICS_FAILURE = 1004;

  // SQLException occurred when failed to record App-Sdk usage history.
  TOPICS_RECORD_APP_SDK_USAGE_FAILURE = 1005;

  // SQLException occurred when failed to record App Only usage history.
  TOPICS_RECORD_APP_USAGE_FAILURE = 1006;

  // SQLException occurred when failed to record can learn topic.
  TOPICS_RECORD_CAN_LEARN_TOPICS_FAILURE = 1007;

  // SQLException occurred when failed to record returned topic.
  TOPICS_RECORD_RETURNED_TOPICS_FAILURE = 1008;

  // SQLException occurred when failed to record returned topic.
  TOPICS_RECORD_BLOCKED_TOPICS_FAILURE = 1009;

  // SQLException occurred when failed to remove blocked topic.
  TOPICS_DELETE_BLOCKED_TOPICS_FAILURE = 1010;

  // SQLException occurred when failed to delete old epochs.
  TOPICS_DELETE_OLD_EPOCH_FAILURE = 1011;

  // SQLException occurred when failed to delete a column in table
  TOPICS_DELETE_COLUMN_FAILURE = 1012;

  // SQLException occurred when failed to persist topic contributors.
  TOPICS_PERSIST_TOPICS_CONTRIBUTORS_FAILURE = 1013;

  // SQLException occurred when failed to delete all entries from table.
  TOPICS_DELETE_ALL_ENTRIES_IN_TABLE_FAILURE = 1014;

  // Exception occurred when classify call failed.
  TOPICS_ON_DEVICE_CLASSIFY_FAILURE = 1015;

  // Exception occurred ML model did not return a topic id.
  TOPICS_ON_DEVICE_NUMBER_FORMAT_EXCEPTION = 1016;

  // Exception occurred when failed to load ML model.
  TOPICS_LOAD_ML_MODEL_FAILURE = 1017;

  // Exception occurred when unable to retrieve topics id to topics name.
  TOPICS_ID_TO_NAME_LIST_READ_FAILURE = 1018;

  // Exception occurred when unable to read classifier asset file.
  TOPICS_READ_CLASSIFIER_ASSET_FILE_FAILURE = 1019;

  // NoSuchAlgorithmException occurred when unable to find correct message.
  // digest algorithm.
  TOPICS_MESSAGE_DIGEST_ALGORITHM_NOT_FOUND = 1020;

  // Error occurred when failed to find downloaded classifier model file.
  DOWNLOADED_CLASSIFIER_MODEL_FILE_NOT_FOUND = 1021;

  // No downloaded or bundled classifier model available.
  NO_CLASSIFIER_MODEL_AVAILABLE = 1022;

  // Error occurred when failed to read labels file.
  READ_LABELS_FILE_FAILURE = 1023;

  // Error occurred when failed to read precomuted labels.
  READ_PRECOMUTRED_LABELS_FAILURE = 1024;

  // Error occurred when failed to read top apps file.
  READ_TOP_APPS_FILE_FAILURE = 1025;

  // Error occurred when saving a topic not in labels file.
  INVALID_TOPIC_ID = 1026;

  // Error occurred when failed to read precomuted app topics list.
  READ_PRECOMUTRED_APP_TOPICS_LIST_FAILURE = 1027;

  // Error occurred when failed to read bundled metadata file.
  READ_BUNDLED_METADATA_FILE_FAILURE = 1028;

  // Error occurred when reading redundant metadata property.
  CLASSIFIER_METADATA_REDUNDANT_PROPERTY= 1029;

  // Error occurred when reading redundant metadata asset.
  CLASSIFIER_METADATA_REDUNDANT_ASSET = 1030;

  // Error occurred when parsing metadata json missing property or asset_name.
  CLASSIFIER_METADATA_MISSING_PROPERTY_OR_ASSET_NAME = 1031;

  // Error occurred when failed to read classifier assets metadata file.
  READ_CLASSIFIER_ASSETS_METADATA_FAILURE = 1032;

  // Error occurred when failed to load downloaded file by file Id.
  DOWNLOADED_CLASSIFIER_MODEL_FILE_LOAD_FAILURE = 1033;

  // RuntimeException occurred when use invalid type of blocked topics
  // source of truth.
  TOPICS_INVALID_BLOCKED_TOPICS_SOURCE_OF_TRUTH = 1034;

  // RuntimeException occurred when unable to remove the blocked topic.
  TOPICS_REMOVE_BLOCKED_TOPIC_FAILURE = 1035;

  // RuntimeException occurred when unable to get all blocked topics.
  TOPICS_GET_BLOCKED_TOPIC_FAILURE = 1036;

  // RuntimeException occurred when unable to clear all blocked topics
  // in system server.
  TOPICS_CLEAR_ALL_BLOCKED_TOPICS_IN_SYSTEM_SERVER_FAILURE = 1037;

  // Error occurred when unable to handle JobService.
  TOPICS_HANDLE_JOB_SERVICE_FAILURE = 1038;

  // Error occurred when unable to fetch job scheduler.
  TOPICS_FETCH_JOB_SCHEDULER_FAILURE = 1039;

  // Measurement errors: 2001-3000
  // Error eccurred when inserting enrollment data to DB.
  ENROLLMENT_DATA_INSERT_ERROR = 2001;

  // UX errors: 4001-5000
  CONSENT_REVOKED_ERROR = 4001;

  // Error occurred when failed to get downloaded OTA file URI.
  DOWNLOADED_OTA_FILE_ERROR = 4002;

  // Exception while trying to add ResourcesProvider.
  RESOURCES_PROVIDER_ADD_ERROR = 4003;

  // Exception occurred when unable to load MDD file group
  LOAD_MDD_FILE_GROUP_FAILURE = 4004;

  // Dismiss notification error
  DISMISS_NOTIFICATION_FAILURE = 4005;

  // Datastore exception while get content
  DATASTORE_EXCEPTION_WHILE_GET_CONTENT = 4006;

  // Datastore exception while recording notification
  DATASTORE_EXCEPTION_WHILE_RECORDING_NOTIFICATION = 4007;

  // Datastore exception while recording default consent.
  DATASTORE_EXCEPTION_WHILE_RECORDING_DEFAULT_CONSENT = 4008;

  // Exception while recording manual consent interaction
  DATASTORE_EXCEPTION_WHILE_RECORDING_MANUAL_CONSENT_INTERACTION = 4009;

  // Exception while saving privacy sandbox feature.
  PRIVACY_SANDBOX_SAVE_FAILURE = 4010;

  // Error message indicating invalid consent source of truth.
  INVALID_CONSENT_SOURCE_OF_TRUTH = 4011;

  // Error message while calling get consent.
  ERROR_WHILE_GET_CONSENT = 4012;

  // App search consent data migration failure.
  APP_SEARCH_DATA_MIGRATION_FAILURE = 4013;

  // Ad services entry point failure.
  AD_SERVICES_ENTRY_POINT_FAILURE = 4014;
}

/**
 * Adservices API names.
 */
enum PpapiName {
  PPAPI_NAME_UNSPECIFIED = 0;
  TOPICS = 1;
  MEASUREMENT = 2;
  FLEDGE = 3;
  AD_ID = 4;
  APP_SET_ID = 5;
  UX = 6;
}

/**
 * Type of the result code that implies different execution results of Adservices background jobs.
 */
enum ExecutionResultCode {
  /** Unspecified result code. */
  UNSPECIFIED_CODE = 0;

  /** Successful execution. */
  SUCCESSFUL = 1;

  /** Failed execution with retrying the job. */
  FAILED_WITH_RETRY = 2;

  /** Failed execution without retrying the job. */
  FAILED_WITHOUT_RETRY = 3;

  /** OnJobStop() is invoked with retrying the job. */
  ONSTOP_CALLED_WITH_RETRY = 4;

  /** OnJobStop() is invoked without retrying the job. */
  ONSTOP_CALLED_WITHOUT_RETRY = 5;

  /**
   * The execution is halted by system or device for unknown reason, leaving
   * a not finished execution.
   */
  HALTED_FOR_UNKNOWN_REASON = 6;

  /** Skipped execution due to a job scheduled in ExtServices running on T+. */
  SKIP_FOR_EXTSERVICES_JOB_ON_TPLUS = 7;

  /** Skipped execution due to kill switch is on. */
  SKIP_FOR_KILL_SWITCH_ON = 8;

  /** Skipped execution due to user consent is revoked. */
  SKIP_FOR_USER_CONSENT_REVOKED = 9;
}

// Region of the user who interacted with AdServicesSettings UI.
enum AdServiceSettingRegion {
  // fallback when getDeviceRegion call failed.
  REGION_UNSPECIFIED = 0;
  // European Union user (based on isoCountryInfo).
  EU = 1;
  // Non-European Union user (based on isoCountryInfo).
  ROW = 2;
}