syntax = "proto3";

package modern_taco_shop;

import "google/protobuf/empty.proto";
import "google/protobuf/timestamp.proto";

option csharp_namespace = "ModernTacoShop.TrackOrder.Protos";

service TrackOrder {
  rpc StartTrackingOrder (Order) returns (google.protobuf.Empty);
  rpc GetOrderStatus (OrderId) returns (stream Order);
  rpc HealthCheck (google.protobuf.Empty) returns (google.protobuf.Empty);
}

message Point {
  string latitude = 1;
  string longitude = 2;
}

message OrderId {
	int64 id = 1;
}

message Order {
  int64 order_id = 1;
  google.protobuf.Timestamp placed_on = 2;
  google.protobuf.Timestamp last_updated = 3;
  optional Point last_position = 4;
  OrderStatus status = 5;
}

enum OrderStatus {
  PLACED = 0;
  PREPARING = 1;
  IN_TRANSIT = 2;
  DELIVERED = 3;
  CANCELLED = 4;
  DELIVERY_ERROR = 5;
}