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// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
// SPDX-License-Identifier: GPL-3.0-or-later
// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include <array>
#include <optional>
#include "common/common_funcs.h"
#include "common/common_types.h"
#include "common/swap.h"
#include "common/uuid.h"
#include "core/hle/result.h"
namespace Service::Account {
constexpr std::size_t MAX_USERS{8};
constexpr std::size_t profile_username_size{32};
using ProfileUsername = std::array<u8, profile_username_size>;
using UserIDArray = std::array<Common::UUID, MAX_USERS>;
// This is nn::account::Uid
struct Uid {
std::array<u8, 0x10> unk0;
};
static_assert(sizeof(Uid) == 0x10);
/// Contains extra data related to a user.
/// TODO: RE this structure
struct UserData {
INSERT_PADDING_WORDS_NOINIT(1);
u32 icon_id;
u8 bg_color_id;
INSERT_PADDING_BYTES_NOINIT(0x7);
INSERT_PADDING_BYTES_NOINIT(0x10);
INSERT_PADDING_BYTES_NOINIT(0x60);
};
static_assert(sizeof(UserData) == 0x80, "UserData structure has incorrect size");
/// This holds general information about a users profile. This is where we store all the information
/// based on a specific user
struct ProfileInfo {
Common::UUID user_uuid{};
ProfileUsername username{};
u64 creation_time{};
UserData data{}; // TODO(ognik): Work out what this is
bool is_open{};
};
struct ProfileBase {
Common::UUID user_uuid;
u64_le timestamp;
ProfileUsername username;
// Zero out all the fields to make the profile slot considered "Empty"
void Invalidate() {
user_uuid = {};
timestamp = 0;
username.fill(0);
}
};
static_assert(sizeof(ProfileBase) == 0x38, "ProfileBase is an invalid size");
/// The profile manager is used for handling multiple user profiles at once. It keeps track of open
/// users, all the accounts registered on the "system" as well as fetching individual "ProfileInfo"
/// objects
class ProfileManager {
public:
ProfileManager();
~ProfileManager();
Result AddUser(const ProfileInfo& user);
Result CreateNewUser(Common::UUID uuid, const ProfileUsername& username);
Result CreateNewUser(Common::UUID uuid, const std::string& username);
std::optional<Common::UUID> GetUser(std::size_t index) const;
std::optional<std::size_t> GetUserIndex(const Common::UUID& uuid) const;
std::optional<std::size_t> GetUserIndex(const ProfileInfo& user) const;
std::optional<std::size_t> GetUserIndex(const std::string& username) const;
bool GetProfileBase(std::optional<std::size_t> index, ProfileBase& profile) const;
bool GetProfileBase(Common::UUID uuid, ProfileBase& profile) const;
bool GetProfileBase(const ProfileInfo& user, ProfileBase& profile) const;
bool GetProfileBaseAndData(std::optional<std::size_t> index, ProfileBase& profile,
UserData& data) const;
bool GetProfileBaseAndData(Common::UUID uuid, ProfileBase& profile, UserData& data) const;
bool GetProfileBaseAndData(const ProfileInfo& user, ProfileBase& profile, UserData& data) const;
std::size_t GetUserCount() const;
std::size_t GetOpenUserCount() const;
bool UserExists(Common::UUID uuid) const;
bool UserExistsIndex(std::size_t index) const;
void OpenUser(Common::UUID uuid);
void CloseUser(Common::UUID uuid);
UserIDArray GetOpenUsers() const;
UserIDArray GetAllUsers() const;
Common::UUID GetLastOpenedUser() const;
UserIDArray GetStoredOpenedUsers() const;
void StoreOpenedUsers();
void SetUserPosition(u64 position, Common::UUID uuid);
bool CanSystemRegisterUser() const;
bool RemoveUser(Common::UUID uuid);
bool RemoveProfileAtIndex(std::size_t index);
bool SetProfileBase(Common::UUID uuid, const ProfileBase& profile_new);
bool SetProfileBaseAndData(Common::UUID uuid, const ProfileBase& profile_new,
const UserData& data_new);
void WriteUserSaveFile();
void ResetUserSaveFile();
std::vector<Common::UUID> FindExistingProfileUUIDs();
std::vector<std::string> FindExistingProfileStrings();
std::vector<std::string> FindGoodProfiles();
std::vector<std::string> FindOrphanedProfiles();
private:
void ParseUserSaveFile();
std::optional<std::size_t> AddToProfiles(const ProfileInfo& profile);
void RemoveAllProfiles();
bool is_save_needed{};
std::array<ProfileInfo, MAX_USERS> profiles{};
std::array<ProfileInfo, MAX_USERS> stored_opened_profiles{};
std::size_t user_count{};
Common::UUID last_opened_user{};
};
}; // namespace Service::Account
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