// Copyright 2023 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.v1;

import "google/api/field_behavior.proto";
import "google/maps/fleetengine/v1/traffic.proto";
import "google/protobuf/duration.proto";
import "google/protobuf/timestamp.proto";
import "google/protobuf/wrappers.proto";
import "google/type/latlng.proto";

option go_package = "cloud.google.com/go/maps/fleetengine/apiv1/fleetenginepb;fleetenginepb";
option java_multiple_files = true;
option java_outer_classname = "FleetEngine";
option java_package = "google.maps.fleetengine.v1";
option objc_class_prefix = "CFE";

// Identifies a terminal point.
message TerminalPointId {
  // Deprecated.
  oneof Id {
    // Deprecated.
    string place_id = 2 [deprecated = true];

    // Deprecated.
    string generated_id = 3 [deprecated = true];
  }

  // Unique ID of the terminal point.
  string value = 4;
}

// Describes the location of a waypoint.
message TerminalLocation {
  // Required. Denotes the location of a trip waypoint.
  google.type.LatLng point = 1 [(google.api.field_behavior) = REQUIRED];

  // ID of the terminal point.
  TerminalPointId terminal_point_id = 2;

  // Deprecated.
  string access_point_id = 3 [deprecated = true];

  // Deprecated.
  string trip_id = 4 [deprecated = true];

  // Deprecated: `Vehicle.waypoint` will have this data.
  WaypointType terminal_location_type = 5 [deprecated = true];
}

// Describes a stopping point on a vehicle's route or an ending point on a
// vehicle's trip.
message TripWaypoint {
  // The location of this waypoint.
  TerminalLocation location = 1;

  // The trip associated with this waypoint.
  string trip_id = 2;

  // The role this waypoint plays in this trip, such as pickup or dropoff.
  WaypointType waypoint_type = 3;

  // The path from the previous waypoint to the current waypoint.  Undefined for
  // the first waypoint in a list. This field is only populated when requested.
  repeated google.type.LatLng path_to_waypoint = 4;

  // The encoded path from the previous waypoint to the current waypoint.
  //
  // <p>Note: This field is intended only for use by the Driver SDK and Consumer
  // SDK. Decoding is not yet supported.
  string encoded_path_to_waypoint = 5;

  // The traffic conditions along the path to this waypoint.  Note that traffic
  // is only available for Google Map Platform Rides and Deliveries Solution
  // customers.
  ConsumableTrafficPolyline traffic_to_waypoint = 10;

  // The path distance from the previous waypoint to the current waypoint.
  // Undefined for the first waypoint in a list.
  google.protobuf.Int32Value distance_meters = 6;

  // The estimated time of arrival at this waypoint. Undefined for the first
  // waypoint in a list.
  google.protobuf.Timestamp eta = 7;

  // The travel time from previous waypoint to this point. Undefined for the
  // first waypoint in a list.
  google.protobuf.Duration duration = 8;
}

// The type of a trip.
enum TripType {
  // Default, used for unspecified or unrecognized trip types.
  UNKNOWN_TRIP_TYPE = 0;

  // The trip may share a vehicle with other trips.
  SHARED = 1;

  // The trip is exclusive to a vehicle.
  EXCLUSIVE = 2;
}

// The type of waypoint.
enum WaypointType {
  // Unknown or unspecified waypoint type.
  UNKNOWN_WAYPOINT_TYPE = 0;

  // Waypoints for picking up riders or items.
  PICKUP_WAYPOINT_TYPE = 1;

  // Waypoints for dropping off riders or items.
  DROP_OFF_WAYPOINT_TYPE = 2;

  // Waypoints for intermediate destinations in a multi-destination trip.
  INTERMEDIATE_DESTINATION_WAYPOINT_TYPE = 3;
}

// The type of polyline format.
enum PolylineFormatType {
  // The format is unspecified or unknown.
  UNKNOWN_FORMAT_TYPE = 0;

  // A list of `google.type.LatLng`.
  LAT_LNG_LIST_TYPE = 1;

  // A polyline encoded with a polyline compression algorithm. Decoding is not
  // yet supported.
  ENCODED_POLYLINE_TYPE = 2;
}

// The vehicle's navigation status.
enum NavigationStatus {
  // Unspecified navigation status.
  UNKNOWN_NAVIGATION_STATUS = 0;

  // The Driver app's navigation is in `FREE_NAV` mode.
  NO_GUIDANCE = 1;

  // Turn-by-turn navigation is available and the Driver app navigation has
  // entered `GUIDED_NAV` mode.
  ENROUTE_TO_DESTINATION = 2;

  // The vehicle has gone off the suggested route.
  OFF_ROUTE = 3;

  // The vehicle is within approximately 50m of the destination.
  ARRIVED_AT_DESTINATION = 4;
}

// Describes a vehicle attribute as a key-value pair. The "key:value" string
// length cannot exceed 256 characters.
message VehicleAttribute {
  // The attribute's key. Keys may not contain the colon character (:).
  string key = 1;

  // The attribute's value.
  string value = 2;
}

// The location, speed, and heading of a vehicle at a point in time.
message VehicleLocation {
  // The location of the vehicle.
  // When it is sent to Fleet Engine, the vehicle's location is a GPS location.
  // When you receive it in a response, the vehicle's location can be either a
  // GPS location, a supplemental location, or some other estimated location.
  // The source is specified in `location_sensor`.
  google.type.LatLng location = 1;

  // Deprecated: Use `latlng_accuracy` instead.
  google.protobuf.DoubleValue horizontal_accuracy = 8 [deprecated = true];

  // Accuracy of `location` in meters as a radius.
  google.protobuf.DoubleValue latlng_accuracy = 22;

  // Direction the vehicle is moving in degrees.  0 represents North.
  // The valid range is [0,360).
  google.protobuf.Int32Value heading = 2;

  // Deprecated: Use `heading_accuracy` instead.
  google.protobuf.DoubleValue bearing_accuracy = 10 [deprecated = true];

  // Accuracy of `heading` in degrees.
  google.protobuf.DoubleValue heading_accuracy = 23;

  // Altitude in meters above WGS84.
  google.protobuf.DoubleValue altitude = 5;

  // Deprecated: Use `altitude_accuracy` instead.
  google.protobuf.DoubleValue vertical_accuracy = 9 [deprecated = true];

  // Accuracy of `altitude` in meters.
  google.protobuf.DoubleValue altitude_accuracy = 24;

  // Speed of the vehicle in kilometers per hour.
  // Deprecated: Use `speed` instead.
  google.protobuf.Int32Value speed_kmph = 3 [deprecated = true];

  // Speed of the vehicle in meters/second
  google.protobuf.DoubleValue speed = 6;

  // Accuracy of `speed` in meters/second.
  google.protobuf.DoubleValue speed_accuracy = 7;

  // The time when `location` was reported by the sensor according to the
  // sensor's clock.
  google.protobuf.Timestamp update_time = 4;

  // Output only. The time when the server received the location information.
  google.protobuf.Timestamp server_time = 13
      [(google.api.field_behavior) = OUTPUT_ONLY];

  // Provider of location data (for example, `GPS`).
  LocationSensor location_sensor = 11;

  // Whether `location` is snapped to a road.
  google.protobuf.BoolValue is_road_snapped = 27;

  // Input only. Indicates whether the GPS sensor is enabled on the mobile
  // device.
  google.protobuf.BoolValue is_gps_sensor_enabled = 12
      [(google.api.field_behavior) = INPUT_ONLY];

  // Input only. Time (in seconds) since this location was first sent to the
  // server. This will be zero for the first update. If the time is unknown (for
  // example, when the app restarts), this value resets to zero.
  google.protobuf.Int32Value time_since_update = 14
      [(google.api.field_behavior) = INPUT_ONLY];

  // Input only. Number of additional attempts to send this location to the
  // server. If this value is zero, then it is not stale.
  google.protobuf.Int32Value num_stale_updates = 15
      [(google.api.field_behavior) = INPUT_ONLY];

  // Raw vehicle location (unprocessed by road-snapper).
  google.type.LatLng raw_location = 16;

  // Input only. Timestamp associated with the raw location.
  google.protobuf.Timestamp raw_location_time = 17
      [(google.api.field_behavior) = INPUT_ONLY];

  // Input only. Source of the raw location.
  LocationSensor raw_location_sensor = 28
      [(google.api.field_behavior) = INPUT_ONLY];

  // Input only. Accuracy of `raw_location` as a radius, in meters.
  google.protobuf.DoubleValue raw_location_accuracy = 25
      [(google.api.field_behavior) = INPUT_ONLY];

  // Input only. Supplemental location provided by the integrating app.
  google.type.LatLng supplemental_location = 18
      [(google.api.field_behavior) = INPUT_ONLY];

  // Input only. Timestamp associated with the supplemental location.
  google.protobuf.Timestamp supplemental_location_time = 19
      [(google.api.field_behavior) = INPUT_ONLY];

  // Input only. Source of the supplemental location.
  LocationSensor supplemental_location_sensor = 20
      [(google.api.field_behavior) = INPUT_ONLY];

  // Input only. Accuracy of `supplemental_location` as a radius, in meters.
  google.protobuf.DoubleValue supplemental_location_accuracy = 21
      [(google.api.field_behavior) = INPUT_ONLY];

  // Deprecated: Use `is_road_snapped` instead.
  bool road_snapped = 26 [deprecated = true];
}

// The sensor or methodology used to determine the location.
enum LocationSensor {
  // The sensor is unspecified or unknown.
  UNKNOWN_SENSOR = 0;

  // GPS or Assisted GPS.
  GPS = 1;

  // Assisted GPS, cell tower ID, or WiFi access point.
  NETWORK = 2;

  // Cell tower ID or WiFi access point.
  PASSIVE = 3;

  // A location signal snapped to the best road position.
  ROAD_SNAPPED_LOCATION_PROVIDER = 4;

  // The fused location provider in Google Play services.
  FUSED_LOCATION_PROVIDER = 100;

  // The location provider on Apple operating systems.
  CORE_LOCATION = 200;
}