// The service catalog-grpc.mjs runs. Import this file in Schemo when you want to skip reflection.
syntax = "proto3";

package catalog.v1;

service Inventory {
  // Returns one product, or NOT_FOUND for an unknown id.
  rpc GetProduct(GetProductRequest) returns (Product);
  // Streams the stock of every product in a category, one message every 400 ms.
  rpc WatchStock(WatchStockRequest) returns (stream StockUpdate);
}

message GetProductRequest {
  string id = 1;
}

message Product {
  string id = 1;
  string name = 2;
  string category = 3;
  double price = 4;
  bool in_stock = 5;
}

message WatchStockRequest {
  // audio, office or travel; empty for all products.
  string category = 1;
}

message StockUpdate {
  string id = 1;
  string name = 2;
  bool in_stock = 3;
  int32 quantity = 4;
}