// 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.maps.routes.v1;

import "google/api/field_behavior.proto";
import "google/maps/routes/v1/compute_routes_request.proto";
import "google/maps/routes/v1/polyline.proto";
import "google/maps/routes/v1/waypoint.proto";
import "google/protobuf/timestamp.proto";

option cc_enable_arenas = true;
option csharp_namespace = "Google.Maps.Routes.V1";
option go_package = "google.golang.org/genproto/googleapis/maps/routes/v1;routes";
option java_multiple_files = true;
option java_outer_classname = "ComputeCustomRoutesRequestProto";
option java_package = "com.google.maps.routes.v1";
option objc_class_prefix = "GMRS";
option php_namespace = "Google\\Maps\\Routes\\V1";

// ComputeCustomRoutes request message.
message ComputeCustomRoutesRequest {
  // Required. Origin waypoint.
  Waypoint origin = 1 [(google.api.field_behavior) = REQUIRED];

  // Required. Destination waypoint.
  Waypoint destination = 2 [(google.api.field_behavior) = REQUIRED];

  // Optional. A set of waypoints along the route (excluding terminal points), for either
  // stopping at or passing by. Up to 25 intermediate waypoints are supported.
  // Intermediates are not supported in ComputeCustomRoutes Alpha.
  repeated Waypoint intermediates = 3 [(google.api.field_behavior) = OPTIONAL];

  // Optional. Specifies the mode of transportation. Only DRIVE is supported in
  // ComputeCustomRoutes Alpha.
  RouteTravelMode travel_mode = 4 [(google.api.field_behavior) = OPTIONAL];

  // Optional. Specifies how to compute the route. The server attempts to use the selected
  // routing preference to compute the route. If the routing preference results
  // in an error or an extra long latency, then an error is returned. In the
  // future, we might implement a fallback mechanism to use a different option
  // when the preferred option does not give a valid result. You can specify
  // this option only when the `travel_mode` is `DRIVE` or `TWO_WHEELER`,
  // otherwise the request fails.
  RoutingPreference routing_preference = 5 [(google.api.field_behavior) = OPTIONAL];

  // Optional. Specifies your preference for the quality of the polyline.
  PolylineQuality polyline_quality = 6 [(google.api.field_behavior) = OPTIONAL];

  // Optional. Specifies the preferred encoding for the polyline.
  PolylineEncoding polyline_encoding = 13 [(google.api.field_behavior) = OPTIONAL];

  // Optional. The departure time. If you don't set this value, then this value
  // defaults to the time that you made the request. If you set this value to a
  // time that has already occurred, then the request fails.
  google.protobuf.Timestamp departure_time = 7 [(google.api.field_behavior) = OPTIONAL];

  // Optional. A set of conditions to satisfy that affect the way routes are calculated.
  RouteModifiers route_modifiers = 11 [(google.api.field_behavior) = OPTIONAL];

  // Required. A route objective to optimize for.
  RouteObjective route_objective = 12 [(google.api.field_behavior) = REQUIRED];

  // Optional. The BCP-47 language code, such as "en-US" or "sr-Latn". For more
  // information, see
  // http://www.unicode.org/reports/tr35/#Unicode_locale_identifier. See
  // [Language Support](https://developers.google.com/maps/faq#languagesupport)
  // for the list of supported languages. When you don't provide this value, the
  // display language is inferred from the location of the route request.
  string language_code = 9 [(google.api.field_behavior) = OPTIONAL];

  // Optional. Specifies the units of measure for the display fields. This includes the
  // `instruction` field in `NavigationInstruction`. The units of measure used
  // for the route, leg, step distance, and duration are not affected by this
  // value. If you don't provide this value, then the display units are inferred
  // from the location of the request.
  Units units = 10 [(google.api.field_behavior) = OPTIONAL];
}

// Encapsulates an objective to optimize for by ComputeCustomRoutes.
message RouteObjective {
  // Encapsulates a RateCard route objective.
  message RateCard {
    // Encapsulates the cost used in the rate card.
    message MonetaryCost {
      // Required. The cost value in local currency inferred from the request.
      double value = 1 [(google.api.field_behavior) = REQUIRED];
    }

    // Optional. Cost per minute.
    MonetaryCost cost_per_minute = 2 [(google.api.field_behavior) = OPTIONAL];

    // Optional. Cost per kilometer.
    MonetaryCost cost_per_km = 3 [(google.api.field_behavior) = OPTIONAL];

    // Optional. Whether to include toll cost in the overall cost.
    bool include_tolls = 4 [(google.api.field_behavior) = OPTIONAL];
  }

  // The route objective.
  oneof objective {
    // The RateCard objective.
    RateCard rate_card = 1;
  }
}