Organize Book OS (OUTDATED)

getgenv().Running = true

local Players = game:GetService("Players")
local ReplicatedStorage = game:GetService("ReplicatedStorage")
local Workspace = game:GetService("Workspace")
local CollectionService = game:GetService("CollectionService")

local Loader = require(ReplicatedStorage.Packages.Loader)
local ReplicaController = require(Loader.Shared.Utility.ReplicaController)
local BooksData = require(Loader.Shared.Data.Books)

local LibraryReplica = nil
for _, r in pairs(ReplicaController._replicas) do
    if r.Class == "Library" then LibraryReplica = r break end
end
if not LibraryReplica then
    ReplicaController.ReplicaOfClassCreated("Library", function(replica) LibraryReplica = replica end)
    while not LibraryReplica do task.wait() end
end

local Library = Workspace.Library
local BooksFolder = Library.Books
local player = Players.LocalPlayer

player.CameraMode = Enum.CameraMode.Classic
player.CameraMinZoomDistance = 20
task.spawn(function() task.wait(0.1) player.CameraMinZoomDistance = 0.5 end)

local shelfModels = {}
for _, shelfModel in ipairs(CollectionService:GetTagged("Shelf")) do
    shelfModels[shelfModel.Name] = shelfModel
end

local function getShelfAssignedSeries(shelfId)
    local shelfData = LibraryReplica.Data.Shelves[shelfId]
    if not shelfData then return nil end
    for _, placedBook in pairs(shelfData.Books) do
        local bookName = typeof(placedBook) == "Instance" and placedBook.Name or placedBook
        local seriesName = bookName:match("^(.-)_(.+)$")
        if seriesName then return seriesName end