// Copyright 2019 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
//
//     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.automl.v1beta1;

import "google/api/annotations.proto";
import "google/cloud/automl/v1beta1/annotation_spec.proto";
import "google/cloud/automl/v1beta1/classification.proto";
import "google/protobuf/timestamp.proto";

option go_package = "google.golang.org/genproto/googleapis/cloud/automl/v1beta1;automl";
option java_multiple_files = true;
option java_outer_classname = "ImageProto";
option java_package = "com.google.cloud.automl.v1beta1";
option php_namespace = "Google\\Cloud\\AutoMl\\V1beta1";
option ruby_package = "Google::Cloud::AutoML::V1beta1";

// Dataset metadata that is specific to image classification.
message ImageClassificationDatasetMetadata {
  // Required. Type of the classification problem.
  ClassificationType classification_type = 1;
}

// Dataset metadata specific to image object detection.
message ImageObjectDetectionDatasetMetadata {}

// Model metadata for image classification.
message ImageClassificationModelMetadata {
  // Optional. The ID of the `base` model. If it is specified, the new model
  // will be created based on the `base` model. Otherwise, the new model will be
  // created from scratch. The `base` model must be in the same
  // `project` and `location` as the new model to create, and have the same
  // `model_type`.
  string base_model_id = 1;

  // Required. The train budget of creating this model, expressed in hours. The
  // actual `train_cost` will be equal or less than this value.
  int64 train_budget = 2;

  // Output only. The actual train cost of creating this model, expressed in
  // hours. If this model is created from a `base` model, the train cost used
  // to create the `base` model are not included.
  int64 train_cost = 3;

  // Output only. The reason that this create model operation stopped,
  // e.g. `BUDGET_REACHED`, `MODEL_CONVERGED`.
  string stop_reason = 5;

  // Optional. Type of the model. The available values are:
  // *   `cloud` - Model to be used via prediction calls to AutoML API.
  //               This is the default value.
  // *   `mobile-low-latency-1` - A model that, in addition to providing
  //               prediction via AutoML API, can also be exported (see
  //               [AutoMl.ExportModel][google.cloud.automl.v1beta1.AutoMl.ExportModel])
  //               and used on a mobile or edge device with TensorFlow
  //               afterwards. Expected to have low latency, but may have lower
  //               prediction quality than other models.
  // *   `mobile-versatile-1` - A model that, in addition to providing
  //               prediction via AutoML API, can also be exported (see
  //               [AutoMl.ExportModel][google.cloud.automl.v1beta1.AutoMl.ExportModel])
  //               and used on a mobile or edge device with TensorFlow
  //               afterwards.
  // *   `mobile-high-accuracy-1` - A model that, in addition to providing
  //               prediction via AutoML API, can also be exported (see
  //               [AutoMl.ExportModel][google.cloud.automl.v1beta1.AutoMl.ExportModel])
  //               and used on a mobile or edge device with TensorFlow
  //               afterwards.  Expected to have a higher latency, but should
  //               also have a higher prediction quality than other models.
  // *   `mobile-core-ml-low-latency-1` - A model that, in addition to providing
  //               prediction via AutoML API, can also be exported (see
  //               [AutoMl.ExportModel][google.cloud.automl.v1beta1.AutoMl.ExportModel])
  //               and used on a mobile device with Core ML afterwards. Expected
  //               to have low latency, but may have lower prediction quality
  //               than other models.
  // *   `mobile-core-ml-versatile-1` - A model that, in addition to providing
  //               prediction via AutoML API, can also be exported (see
  //               [AutoMl.ExportModel][google.cloud.automl.v1beta1.AutoMl.ExportModel])
  //               and used on a mobile device with Core ML afterwards.
  // *   `mobile-core-ml-high-accuracy-1` - A model that, in addition to
  //               providing prediction via AutoML API, can also be exported
  //               (see
  //               [AutoMl.ExportModel][google.cloud.automl.v1beta1.AutoMl.ExportModel])
  //               and used on a mobile device with Core ML afterwards. Expected
  //               to have a higher latency, but should also have a higher
  //               prediction quality than other models.
  string model_type = 7;
}

// Model metadata specific to image object detection.
message ImageObjectDetectionModelMetadata {
  // Optional. Type of the model. The available values are:
  // *   `cloud-high-accuracy-1` - (default) A model to be used via prediction
  //               calls to AutoML API. Expected to have a higher latency, but
  //               should also have a higher prediction quality than other
  //               models.
  // *   `cloud-low-latency-1` -  A model to be used via prediction
  //               calls to AutoML API. Expected to have low latency, but may
  //               have lower prediction quality than other models.
  string model_type = 1;

  // Output only. The number of nodes this model is deployed on. A node is an
  // abstraction of a machine resource, which can handle online prediction QPS
  // as given in the qps_per_node field.
  int64 node_count = 3;

  // Output only. An approximate number of online prediction QPS that can
  // be supported by this model per each node on which it is deployed.
  double node_qps = 4;

  // Output only. The reason that this create model operation stopped,
  // e.g. `BUDGET_REACHED`, `MODEL_CONVERGED`.
  string stop_reason = 5;

  // The train budget of creating this model, expressed in milli node
  // hours i.e. 1,000 value in this field means 1 node hour. The actual
  // `train_cost` will be equal or less than this value. If further model
  // training ceases to provide any improvements, it will stop without using
  // full budget and the stop_reason will be `MODEL_CONVERGED`.
  // Note, node_hour  = actual_hour * number_of_nodes_invovled.
  // For model type `cloud-high-accuracy-1`(default) and `cloud-low-latency-1`,
  // the train budget must be between 20,000 and 2,000,000 milli node hours,
  // inclusive. The default value is 216, 000 which represents one day in
  // wall time.
  // For model type `mobile-low-latency-1`, `mobile-versatile-1`,
  // `mobile-high-accuracy-1`, `mobile-core-ml-low-latency-1`,
  // `mobile-core-ml-versatile-1`, `mobile-core-ml-high-accuracy-1`, the train
  // budget must be between 1,000 and 100,000 milli node hours, inclusive.
  // The default value is 24, 000 which represents one day in wall time.
  int64 train_budget_milli_node_hours = 6;

  // Output only. The actual train cost of creating this model, expressed in
  // milli node hours, i.e. 1,000 value in this field means 1 node hour.
  // Guaranteed to not exceed the train budget.
  int64 train_cost_milli_node_hours = 7;
}

// Model deployment metadata specific to Image Classification.
message ImageClassificationModelDeploymentMetadata {
  // Input only. The number of nodes to deploy the model on. A node is an
  // abstraction of a machine resource, which can handle online prediction QPS
  // as given in the model's
  // [node_qps][google.cloud.automl.v1p1beta.ImageClassificationModelMetadata.node_qps].
  // Must be between 1 and 100, inclusive on both ends.
  int64 node_count = 1;
}

// Model deployment metadata specific to Image Object Detection.
message ImageObjectDetectionModelDeploymentMetadata {
  // Input only. The number of nodes to deploy the model on. A node is an
  // abstraction of a machine resource, which can handle online prediction QPS
  // as given in the model's
  //
  // [qps_per_node][google.cloud.automl.v1beta1.ImageObjectDetectionModelMetadata.qps_per_node].
  // Must be between 1 and 100, inclusive on both ends.
  int64 node_count = 1;
}
