syntax = "proto3";

package users;

option go_package = "git.be.kaien.ru/l-ai/l-ai-core-proto/proto";

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

// UsersService manages global users and their linked platform accounts
service UsersService {
  rpc CreateGlobalUser(CreateGlobalUserRequest) returns (GlobalUser);
  rpc GetGlobalUser(GetGlobalUserRequest) returns (GlobalUser);
  rpc GetAllGlobalUsers(google.protobuf.Empty) returns (GetAllGlobalUsersResponse);
  rpc UpdateDisplayName(UpdateDisplayNameRequest) returns (google.protobuf.Empty);

  rpc LinkAccount(LinkAccountRequest) returns (LinkedAccount);
  rpc UnlinkAccount(UnlinkAccountRequest) returns (google.protobuf.Empty);
  rpc GetLinkedAccount(GetLinkedAccountRequest) returns (LinkedAccount);
  rpc GetLinkedAccountsByPlatform(GetLinkedAccountsByPlatformRequest) returns (GetLinkedAccountsResponse);
  rpc GetLinkedAccountsByUserAndPlatform(GetLinkedAccountsByUserAndPlatformRequest) returns (GetLinkedAccountsResponse);
}

message GlobalUser {
  int64 id = 1;
  string display_name = 2;
  google.protobuf.Timestamp created_at = 3;
  google.protobuf.Timestamp updated_at = 4;
  repeated LinkedAccount linked_accounts = 5;
}

message LinkedAccount {
  int64 id = 1;
  int64 global_user_id = 2;
  string platform = 3;
  string account_id = 4;
  string account_username = 5;
  string account_url = 6;
  google.protobuf.Timestamp linked_at = 7;
  google.protobuf.Timestamp updated_at = 8;
}

message CreateGlobalUserRequest {
  string display_name = 1;
}

message GetGlobalUserRequest {
  int64 id = 1;
}

message GetAllGlobalUsersResponse {
  repeated GlobalUser users = 1;
}

message UpdateDisplayNameRequest {
  int64 id = 1;
  string display_name = 2;
}

message LinkAccountRequest {
  int64 global_user_id = 1;
  string platform = 2;
  string account_id = 3;
  string account_username = 4;
  string account_url = 5;
}

message UnlinkAccountRequest {
  int64 global_user_id = 1;
  string platform = 2;
  string account_id = 3;
}

message GetLinkedAccountRequest {
  int64 global_user_id = 1;
  string platform = 2;
}

message GetLinkedAccountsByPlatformRequest {
  string platform = 1;
}

message GetLinkedAccountsByUserAndPlatformRequest {
  int64 global_user_id = 1;
  string platform = 2;
}

message GetLinkedAccountsResponse {
  repeated LinkedAccount accounts = 1;
}