syntax = "proto3";

package account;

service AccountService {
	// Accounts are a way to distinguish different players.
	//
	// Their primary purpose is tracking who has seen a trap/coffer appear to ensure reliability,
	// as well as allowing some basic protection against garabage data.
	//
	// We never store any character data/xiv account data in an account.
	rpc CreateAccount(CreateAccountRequest) returns (CreateAccountReply);

	rpc Login(LoginRequest) returns (LoginReply);

	// Ensures that the auth token we use is valid in calls.
	rpc Verify(VerifyRequest) returns (VerifyReply);
}

message CreateAccountRequest {
  Version version = 1;
}

message CreateAccountReply {
	bool success = 1;
	string accountId = 2;
	CreateAccountError error = 3;
}

enum CreateAccountError {
	CREATE_ACCOUNT_ERROR_NONE = 0;
	CREATE_ACCOUNT_ERROR_UNKNOWN = 1;
	CREATE_ACCOUNT_ERROR_UPGRADE_REQUIRED = 2;
	CREATE_ACCOUNT_ERROR_INVALID_HASH = 3;
}

message LoginRequest {
	string accountId = 1;
	Version version = 2;
}

message LoginReply {
	bool success = 1;
	string authToken = 2;
	reserved 3; // expiresAt
	LoginError error = 4;
}

enum LoginError {
	LOGIN_ERROR_NONE = 0;
	LOGIN_ERROR_UNKNOWN = 1;
	LOGIN_ERROR_INVALID_ACCOUNT_ID = 2;
	LOGIN_ERROR_UPGRADE_REQUIRED = 3;
}

message VerifyRequest {
}

message VerifyReply {
}

message Version {
  int32 major = 1;
  int32 minor = 2;
}