//
// Copyright 2025 HotelEngine, Inc., d/b/a Engine
//
// 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 engine.book.common.v1;

import "protoc-gen-openapiv2/options/annotations.proto";

option go_package = "engine.com/engine-partner-api/book/common/v1";
option java_package = "com.engine.book.common.v1";
option java_multiple_files = true;

// Information about the form of payment used in a request.
message AppliedPaymentInfo {
  option (grpc.gateway.protoc_gen_openapiv2.options.openapiv2_schema) = {
    json_schema: {
      title: "Book_Common_AppliedPaymentInfo_v1"
    }
  };

  oneof method {
    AppliedEngineDirectBill engine_direct_bill = 1;
    AppliedCardPayment card = 2;
  }
}

// Indicates that Engine Direct Bill was used.
message AppliedEngineDirectBill {
  option (grpc.gateway.protoc_gen_openapiv2.options.openapiv2_schema) = {
    json_schema: {
      title: "Book_Common_AppliedEngineDirectBill_v1"
    }
  };
}

// Indicates a card payment was used.
message AppliedCardPayment {
  option (grpc.gateway.protoc_gen_openapiv2.options.openapiv2_schema) = {
    json_schema: {
      title: "Book_Common_AppliedCardPayment_v1"
    }
  };

  // The last four digits of the payment card number used for the transaction.
  string last_four = 1;

  // The brand or network of the payment card (e.g. "Visa", "Mastercard", "American Express").
  string card_brand = 2;
}