// Copyright 2021 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.documentai.v1beta3;

import "google/api/annotations.proto";

option csharp_namespace = "Google.Cloud.DocumentAI.V1Beta3";
option go_package = "google.golang.org/genproto/googleapis/cloud/documentai/v1beta3;documentai";
option java_multiple_files = true;
option java_outer_classname = "DocumentIoProto";
option java_package = "com.google.cloud.documentai.v1beta3";
option php_namespace = "Google\\Cloud\\DocumentAI\\V1beta3";
option ruby_package = "Google::Cloud::DocumentAI::V1beta3";

// Payload message of raw document content (bytes).
message RawDocument {
  // Inline document content.
  bytes content = 1;

  // An IANA MIME type (RFC6838) indicating the nature and format of the
  // [content].
  string mime_type = 2;
}

// Specifies a document stored on Cloud Storage.
message GcsDocument {
  // The Cloud Storage object uri.
  string gcs_uri = 1;

  // An IANA MIME type (RFC6838) of the content.
  string mime_type = 2;
}

// Specifies a set of documents on Cloud Storage.
message GcsDocuments {
  // The list of documents.
  repeated GcsDocument documents = 1;
}

// Specifies all documents on Cloud Storage with a common prefix.
message GcsPrefix {
  // The URI prefix.
  string gcs_uri_prefix = 1;
}

// The common config to specify a set of documents used as input.
message BatchDocumentsInputConfig {
  // The source.
  oneof source {
    // The set of documents that match the specified Cloud Storage [gcs_prefix].
    GcsPrefix gcs_prefix = 1;

    // The set of documents individually specified on Cloud Storage.
    GcsDocuments gcs_documents = 2;
  }
}

// Config that controls the output of documents. All documents will be written
// as a JSON file.
message DocumentOutputConfig {
  // The configuration used when outputting documents.
  message GcsOutputConfig {
    // The Cloud Storage uri (a directory) of the output.
    string gcs_uri = 1;
  }

  // The destination of the results.
  oneof destination {
    // Output config to write the results to Cloud Storage.
    GcsOutputConfig gcs_output_config = 1;
  }
}