// Copyright 2018 Google Inc.
//
// 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 = "proto3";

package google.cloud.bigquery.datatransfer.v1;

import "google/api/annotations.proto";
import "google/protobuf/struct.proto";
import "google/protobuf/timestamp.proto";
import "google/rpc/status.proto";

option csharp_namespace = "Google.Cloud.BigQuery.DataTransfer.V1";
option go_package = "google.golang.org/genproto/googleapis/cloud/bigquery/datatransfer/v1;datatransfer";
option java_multiple_files = true;
option java_outer_classname = "TransferProto";
option java_package = "com.google.cloud.bigquery.datatransfer.v1";
option objc_class_prefix = "GCBDT";
option php_namespace = "Google\\Cloud\\BigQuery\\DataTransfer\\V1";

// Represents a data transfer configuration. A transfer configuration
// contains all metadata needed to perform a data transfer. For example,
// `destination_dataset_id` specifies where data should be stored.
// When a new transfer configuration is created, the specified
// `destination_dataset_id` is created when needed and shared with the
// appropriate data source service account.
message TransferConfig {
  // The resource name of the transfer config.
  // Transfer config names have the form
  // `projects/{project_id}/transferConfigs/{config_id}`.
  // Where `config_id` is usually a uuid, even though it is not
  // guaranteed or required. The name is ignored when creating a transfer
  // config.
  string name = 1;

  // The BigQuery target dataset id.
  string destination_dataset_id = 2;

  // User specified display name for the data transfer.
  string display_name = 3;

  // Data source id. Cannot be changed once data transfer is created.
  string data_source_id = 5;

  // Data transfer specific parameters.
  google.protobuf.Struct params = 9;

  // Data transfer schedule.
  // If the data source does not support a custom schedule, this should be
  // empty. If it is empty, the default value for the data source will be
  // used.
  // The specified times are in UTC.
  // Examples of valid format:
  // `1st,3rd monday of month 15:30`,
  // `every wed,fri of jan,jun 13:15`, and
  // `first sunday of quarter 00:00`.
  // See more explanation about the format here:
  // https://cloud.google.com/appengine/docs/flexible/python/scheduling-jobs-with-cron-yaml#the_schedule_format
  // NOTE: the granularity should be at least 8 hours, or less frequent.
  string schedule = 7;

  // The number of days to look back to automatically refresh the data.
  // For example, if `data_refresh_window_days = 10`, then every day
  // BigQuery reingests data for [today-10, today-1], rather than ingesting data
  // for just [today-1].
  // Only valid if the data source supports the feature. Set the value to  0
  // to use the default value.
  int32 data_refresh_window_days = 12;

  // Is this config disabled. When set to true, no runs are scheduled
  // for a given transfer.
  bool disabled = 13;

  // Output only. Data transfer modification time. Ignored by server on input.
  google.protobuf.Timestamp update_time = 4;

  // Output only. Next time when data transfer will run.
  google.protobuf.Timestamp next_run_time = 8;

  // Output only. State of the most recently updated transfer run.
  TransferState state = 10;

  // Output only. Unique ID of the user on whose behalf transfer is done.
  // Applicable only to data sources that do not support service accounts.
  // When set to 0, the data source service account credentials are used.
  // May be negative. Note, that this identifier is not stable.
  // It may change over time even for the same user.
  int64 user_id = 11;

  // Output only. Region in which BigQuery dataset is located.
  string dataset_region = 14;
}

// Represents a data transfer run.
message TransferRun {
  // The resource name of the transfer run.
  // Transfer run names have the form
  // `projects/{project_id}/locations/{location}/transferConfigs/{config_id}/runs/{run_id}`.
  // The name is ignored when creating a transfer run.
  string name = 1;

  // Minimum time after which a transfer run can be started.
  google.protobuf.Timestamp schedule_time = 3;

  // For batch transfer runs, specifies the date and time that
  // data should be ingested.
  google.protobuf.Timestamp run_time = 10;

  // Status of the transfer run.
  google.rpc.Status error_status = 21;

  // Output only. Time when transfer run was started.
  // Parameter ignored by server for input requests.
  google.protobuf.Timestamp start_time = 4;

  // Output only. Time when transfer run ended.
  // Parameter ignored by server for input requests.
  google.protobuf.Timestamp end_time = 5;

  // Output only. Last time the data transfer run state was updated.
  google.protobuf.Timestamp update_time = 6;

  // Output only. Data transfer specific parameters.
  google.protobuf.Struct params = 9;

  // Output only. The BigQuery target dataset id.
  string destination_dataset_id = 2;

  // Output only. Data source id.
  string data_source_id = 7;

  // Data transfer run state. Ignored for input requests.
  TransferState state = 8;

  // Output only. Unique ID of the user on whose behalf transfer is done.
  // Applicable only to data sources that do not support service accounts.
  // When set to 0, the data source service account credentials are used.
  // May be negative. Note, that this identifier is not stable.
  // It may change over time even for the same user.
  int64 user_id = 11;

  // Output only. Describes the schedule of this transfer run if it was
  // created as part of a regular schedule. For batch transfer runs that are
  // scheduled manually, this is empty.
  // NOTE: the system might choose to delay the schedule depending on the
  // current load, so `schedule_time` doesn't always matches this.
  string schedule = 12;
}

// Represents a user facing message for a particular data transfer run.
message TransferMessage {
  // Represents data transfer user facing message severity.
  enum MessageSeverity {
    // No severity specified.
    MESSAGE_SEVERITY_UNSPECIFIED = 0;

    // Informational message.
    INFO = 1;

    // Warning message.
    WARNING = 2;

    // Error message.
    ERROR = 3;
  }

  // Time when message was logged.
  google.protobuf.Timestamp message_time = 1;

  // Message severity.
  MessageSeverity severity = 2;

  // Message text.
  string message_text = 3;
}

// DEPRECATED. Represents data transfer type.
enum TransferType {
  // Invalid or Unknown transfer type placeholder.
  TRANSFER_TYPE_UNSPECIFIED = 0;

  // Batch data transfer.
  BATCH = 1;

  // Streaming data transfer. Streaming data source currently doesn't
  // support multiple transfer configs per project.
  STREAMING = 2;
}

// Represents data transfer run state.
enum TransferState {
  // State placeholder.
  TRANSFER_STATE_UNSPECIFIED = 0;

  // Data transfer is scheduled and is waiting to be picked up by
  // data transfer backend.
  PENDING = 2;

  // Data transfer is in progress.
  RUNNING = 3;

  // Data transfer completed successsfully.
  SUCCEEDED = 4;

  // Data transfer failed.
  FAILED = 5;

  // Data transfer is cancelled.
  CANCELLED = 6;
}
