1 files changed, 97 insertions, 0 deletions
diff --git a/src/core/hle/service/acc/profile_manager.h b/src/core/hle/service/acc/profile_manager.h
new file mode 100644
index 000000000..5aa73a030
--- /dev/null
+++ b/src/core/hle/service/acc/profile_manager.h
@@ -0,0 +1,97 @@
+#pragma once
+#include <array>
+#include "common/common_types.h"
+#include "common/swap.h"
+#include "core/hle/result.h"
+
+namespace Service::Account {
+constexpr size_t MAX_USERS = 8;
+constexpr size_t MAX_DATA = 128;
+
+struct UUID {
+    // UUIDs which are 0 are considered invalid!
+    u128 uuid{0, 0};
+    UUID() = default;
+    explicit UUID(const u128& id) {
+        uuid[0] = id[0];
+        uuid[1] = id[1];
+    };
+    explicit UUID(const u64& lo, const u64& hi) {
+        uuid[0] = lo;
+        uuid[1] = hi;
+    };
+    operator bool() const {
+        return uuid[0] != 0x0 && uuid[1] != 0x0;
+    }
+
+    bool operator==(const UUID& rhs) {
+        return uuid[0] == rhs.uuid[0] && uuid[1] == rhs.uuid[1];
+    }
+
+    bool operator!=(const UUID& rhs) {
+        return uuid[0] != rhs.uuid[0] || uuid[1] != rhs.uuid[1];
+    }
+
+    // TODO(ogniK): Properly generate uuids based on RFC-4122
+    const UUID& Generate() {
+        uuid[0] = (static_cast<u64>(std::rand()) << 32) | std::rand();
+        uuid[1] = (static_cast<u64>(std::rand()) << 32) | std::rand();
+        return *this;
+    }
+    void Invalidate() {
+        uuid[0] = 0;
+        uuid[1] = 0;
+    }
+    std::string Format() {
+        return fmt::format("0x{:016X}{:016X}", uuid[1], uuid[0]);
+    }
+};
+static_assert(sizeof(UUID) == 16, "UUID is an invalid size!");
+
+/// This holds general information about a users profile. This is where we store all the information
+/// based on a specific user
+struct ProfileInfo {
+    UUID user_uuid;
+    std::array<u8, 0x20> username;
+    u64 creation_time;
+    std::array<u8, MAX_DATA> data;
+};
+
+struct ProfileBase {
+    UUID user_uuid;
+    u64_le timestamp;
+    std::array<u8, 0x20> username;
+
+    const void Invalidate() {
+        user_uuid.Invalidate();
+        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() = default; // TODO(ogniK): Load from system save
+    ResultCode AddUser(ProfileInfo user);
+    ResultCode CreateNewUser(UUID uuid, std::array<u8, 0x20> username);
+    size_t GetUserIndex(UUID uuid);
+    size_t GetUserIndex(ProfileInfo user);
+    bool GetProfileBase(size_t index, ProfileBase& profile);
+    bool GetProfileBase(UUID uuid, ProfileBase& profile);
+    bool GetProfileBase(ProfileInfo user, ProfileBase& profile);
+    size_t GetUserCount();
+    bool UserExists(UUID uuid);
+
+private:
+    std::array<ProfileInfo, MAX_USERS> profiles{};
+    size_t user_count = 0;
+    size_t AddToProfiles(const ProfileInfo& profile);
+    bool RemoveProfileAtIdx(size_t index);
+};
+using ProfileManagerPtr = std::unique_ptr<ProfileManager>;
+
+}; // namespace Service::Account