syntax = "proto3";

option csharp_namespace = "Svrnty.CQRS.Grpc.Sample.Grpc";

package cqrs;

// Command service for CQRS operations
service CommandService {
  // Adds a new user and returns the user ID
  rpc AddUser (AddUserCommandRequest) returns (AddUserCommandResponse);

  // Removes a user
  rpc RemoveUser (RemoveUserCommandRequest) returns (RemoveUserCommandResponse);
}

// Query service for CQRS operations
service QueryService {
  // Fetches a user by ID
  rpc FetchUser (FetchUserQueryRequest) returns (FetchUserQueryResponse);
}

// Request message for adding a user
message AddUserCommandRequest {
  string name = 1;
  string email = 2;
  int32 age = 3;
}

// Response message containing the added user ID
message AddUserCommandResponse {
  int32 result = 1;
}

// Request message for removing a user
message RemoveUserCommandRequest {
  int32 user_id = 1;
}

// Response message for remove user (empty)
message RemoveUserCommandResponse {
}

// Request message for fetching a user
message FetchUserQueryRequest {
  int32 user_id = 1;
}

// Response message containing the user
message FetchUserQueryResponse {
  User result = 1;
}

// User entity
message User {
  int32 id = 1;
  string name = 2;
  string email = 3;
}