syntax = "proto3";

// Minimal slice of the Fireworks control-plane gateway API (`gateway.Gateway`), reconstructed from
// the `firectl` binary. Only the messages and RPCs needed to read an account's credit balance are
// declared here.
package gateway;

// Mirrors google.type.Money.
message Money {
  string currency_code = 1;
  int64 units = 2;
  int32 nanos = 3;
}

message Balance {
  Money money = 1;
}

message GetBalanceRequest {
  string name = 1; // resource name, e.g., "accounts/<account_id>"
}

message Account {
  string name = 1; // resource name, e.g., "accounts/<account_id>"
  string display_name = 2;
}

message ListAccountsRequest {
  int32 page_size = 1;
  string page_token = 2;
}

message ListAccountsResponse {
  repeated Account accounts = 1;
  string next_page_token = 2;
  int32 total_size = 3;
}

service Gateway {
  rpc ListAccounts(ListAccountsRequest) returns (ListAccountsResponse);
  rpc GetBalance(GetBalanceRequest) returns (Balance);
}