// Copyright 2022 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 maps.fleetengine.delivery.v1;

import "google/api/field_behavior.proto";
import "google/api/resource.proto";
import "google/maps/fleetengine/delivery/v1/common.proto";
import "google/protobuf/duration.proto";
import "google/protobuf/wrappers.proto";
import "google/type/latlng.proto";

option go_package = "google.golang.org/genproto/googleapis/maps/fleetengine/delivery/v1;delivery";
option java_multiple_files = true;
option java_outer_classname = "DeliveryVehicles";
option java_package = "google.maps.fleetengine.delivery.v1";
option objc_class_prefix = "CFED";

// The `DeliveryVehicle` message. A delivery vehicle transports shipments from a
// depot to a delivery location, and from a pickup location to the depot. In
// some cases, delivery vehicles also transport shipments directly from the
// pickup location to the delivery location.
//
// Note: gRPC and REST APIs use different field naming conventions. For example,
// the `DeliveryVehicle.current_route_segment` field in the gRPC API and the
// `DeliveryVehicle.currentRouteSegment` field in the REST API refer to the same
// field.
message DeliveryVehicle {
  option (google.api.resource) = {
    type: "fleetengine.googleapis.com/DeliveryVehicle"
    pattern: "providers/{provider}/deliveryVehicles/{vehicle}"
  };

  // The unique name of this Delivery Vehicle.
  // The format is `providers/{provider}/deliveryVehicles/{vehicle}`.
  string name = 1;

  // The last reported location of the Delivery Vehicle.
  DeliveryVehicleLocation last_location = 2;

  // The Delivery Vehicle's navigation status.
  DeliveryVehicleNavigationStatus navigation_status = 3;

  // The encoded polyline specifying the route that the navigation recommends
  // taking to the next waypoint. Your driver app updates this when a
  // stop is reached or passed, and when the navigation reroutes. These LatLngs
  // are returned in
  // `Task.journey_sharing_info.remaining_vehicle_journey_segments[0].path`
  // (gRPC) or `Task.journeySharingInfo.remainingVehicleJourneySegments[0].path`
  // (REST) for all active Tasks assigned to the Vehicle.
  //
  // There are a few cases where this field might not be used to populate
  // `Task.journey_sharing_info.remaining_vehicle_journey_segments[0].path`
  // (gRPC) or `Task.journeySharingInfo.remainingVehicleJourneySegments[0].path`
  // (REST):
  //
  // * The endpoint of the `current_route_segment` does not match
  // `DeliveryVehicle.remaining_vehicle_journey_segments[0].stop` (gRPC) or
  // `DeliveryVehicle.remainingVehicleJourneySegments[0].stop` (REST).
  //
  // * The driver app has not updated its location recently, so the last
  // updated value for this field might be stale.
  //
  // * The driver app has recently updated its location, but the
  // `current_route_segment` is stale, and points to a previous vehicle stop.
  //
  // In these cases, Fleet Engine populates this field with a route from the
  // most recently passed VehicleStop to the upcoming VehicleStop to ensure that
  // the consumer of this field has the best available information on the
  // current path of the Delivery Vehicle.
  bytes current_route_segment = 4;

  // The location where the `current_route_segment` ends. This is not currently
  // populated by the driver app, but you can supply it on
  // `UpdateDeliveryVehicle` calls. It is either the LatLng from the upcoming
  // vehicle stop, or the last LatLng of the `current_route_segment`. Fleet
  // Engine will then do its best to interpolate to an actual `VehicleStop`.
  //
  // This field is ignored in `UpdateDeliveryVehicle` calls if the
  // `current_route_segment` field is empty.
  google.type.LatLng current_route_segment_end_point = 5;

  // The remaining driving distance for the `current_route_segment`.
  // This value is usually updated by the driver app because it is considered to
  // have more accurate information about the current route than Fleet Engine.
  // However, it might be populated by Fleet Engine. For more information, see
  // [DeliveryVehicle.current_route_segment][maps.fleetengine.delivery.v1.DeliveryVehicle.current_route_segment]. This field is returned in
  // `Task.remaining_vehicle_journey_segments[0].driving_distance_meters` (gRPC)
  // or `Task.remainingVehicleJourneySegments[0].drivingDistanceMeters` (REST)
  // for all active Tasks assigned to the Delivery Vehicle.
  //
  // This field is ignored in `UpdateDeliveryVehicle` calls if the
  // `current_route_segment` field is empty.
  google.protobuf.Int32Value remaining_distance_meters = 6;

  // The remaining driving time for the `current_route_segment`.
  // This value is usually updated by the driver app because it is considered to
  // have more accurate information about the current route than Fleet Engine.
  // However, it might be populated by Fleet Engine. For more information, see
  // [DeliveryVehicle.current_route_segment][maps.fleetengine.delivery.v1.DeliveryVehicle.current_route_segment]. This field is
  // returned in `Task.remaining_vehicle_journey_segments[0].driving_duration`
  // (gRPC) or `Task.remainingVehicleJourneySegments[0].drivingDuration` (REST)
  // for all active tasks assigned to the Delivery Vehicle.
  //
  // This field is ignored in `UpdateDeliveryVehicle` calls if the
  // `current_route_segment` field is empty.
  google.protobuf.Duration remaining_duration = 7;

  // The journey segments assigned to this Delivery Vehicle, starting from the
  // Vehicle's most recently reported location.
  repeated VehicleJourneySegment remaining_vehicle_journey_segments = 8;

  // A list of custom Delivery Vehicle attributes. A Delivery Vehicle can have
  // at most 50 attributes, and each attribute must have a unique key.
  repeated DeliveryVehicleAttribute attributes = 9;
}

// A location with any additional identifiers.
message LocationInfo {
  // The location's coordinates.
  google.type.LatLng point = 1;
}

// Represents a Vehicle’s travel segment - from its previous stop to the
// current stop. If it is the first active stop, then it is from the
// Vehicle’s current location to this stop.
message VehicleJourneySegment {
  // Specifies the stop location, along with the Tasks associated with
  // the stop. Some fields of the VehicleStop might not be present if this
  // journey segment is part of `JourneySharingInfo`.
  VehicleStop stop = 1;

  // Output only. The travel distance from the previous stop to this stop.
  // If the current stop is the first stop in the list of journey
  // segments, then the starting point is the vehicle's location recorded
  // at the time that this stop was added to the list. This field might not be
  // present if this journey segment is part of `JourneySharingInfo`.
  google.protobuf.Int32Value driving_distance_meters = 2 [(google.api.field_behavior) = OUTPUT_ONLY];

  // Output only. The travel time from the previous stop to this stop.
  // If the current stop is the first stop in the list of journey
  // segments, then the starting point is the Vehicle's location recorded
  // at the time that this stop was added to the list.
  //
  // If this field is defined in the path
  // `Task.remaining_vehicle_journey_segments[0].driving_duration` (gRPC) or
  // `Task.remainingVehicleJourneySegments[0].drivingDuration` (REST),
  // then it may be populated with the value from
  // `DeliveryVehicle.remaining_duration` (gRPC) or
  // `DeliveryVehicle.remainingDuration` (REST).
  // This provides the remaining driving duration from the driver app's latest
  // known location rather than the driving time from the previous stop.
  google.protobuf.Duration driving_duration = 3 [(google.api.field_behavior) = OUTPUT_ONLY];

  // Output only. The path from the previous stop to this stop. If the current stop is the
  // first stop in the list of journey segments, then this is the path from the
  // vehicle's current location to this stop at the time that the stop was
  // added to the list. This field might not be present if this journey segment
  // is part of `JourneySharingInfo`.
  //
  // If this field is defined in the path
  // `Task.journey_sharing_info.remaining_vehicle_journey_segments[0].path`
  // (gRPC) or `Task.journeySharingInfo.remainingVehicleJourneySegments[0].path`
  // (REST), then it may be populated with the LatLngs decoded from
  // `DeliveryVehicle.current_route_segment` (gRPC) or
  // `DeliveryVehicle.currentRouteSegment` (REST). This provides the driving
  // path from the driver app's latest known location rather than the path from
  // the previous stop.
  repeated google.type.LatLng path = 5 [(google.api.field_behavior) = OUTPUT_ONLY];
}

// Describes a point where a Vehicle stops to perform one or more Tasks.
message VehicleStop {
  // Additional information about the Task performed at this stop.
  message TaskInfo {
    // The Task ID. This field won't be populated in the response of either a
    // `GetTask`, or a `SearchTasks` call. Task IDs are subject to the following
    // restrictions:
    //
    // * Must be a valid Unicode string.
    // * Limited to a maximum length of 64 characters.
    // * Normalized according to [Unicode Normalization Form C]
    // (http://www.unicode.org/reports/tr15/).
    // * May not contain any of the following ASCII characters: '/', ':', '?',
    // ',', or '#'.
    string task_id = 1;

    // The time required to perform the Task.
    google.protobuf.Duration task_duration = 2;
  }

  // The current state of a `VehicleStop`.
  enum State {
    // Unknown.
    STATE_UNSPECIFIED = 0;

    // Created, but not actively routing.
    NEW = 1;

    // Assigned and actively routing.
    ENROUTE = 2;

    // Arrived at stop. Assumes that when the Vehicle is routing to the next
    // stop, that all previous stops have been completed.
    ARRIVED = 3;
  }

  // Required. The location of the stop. Note that the locations in the Tasks might not
  // exactly match this location, but will be within a short distance of it.
  // This field won't be populated in the response of either a `GetTask`, or a
  // `SearchTasks` call.
  LocationInfo planned_location = 1 [(google.api.field_behavior) = REQUIRED];

  // The list of Tasks to be performed at this stop. This field won't be
  // populated in the response of either a `GetTask`, or a `SearchTasks` call.
  repeated TaskInfo tasks = 2;

  // The state of the `VehicleStop`. This field won't be populated in the
  // response of either a `GetTask`, or a `SearchTasks` call.
  State state = 3;
}