local DataStoreService = game:GetService("DataStoreService")
local ReplicatedStorage = game:GetService("ReplicatedStorage")
local Players = game:GetService("Players")

local DataStore1 = DataStoreService:GetDataStore("DataStore1")
local Update = ReplicatedStorage:WaitForChild("UpdateGui")

local function PlayerJoined(Joining)
    local Leaderstats = Instance.new("Folder")
    Leaderstats.Name = "leaderstats"
    Leaderstats.Parent = Joining

    local Wins = Instance.new("IntValue")
    Wins.Name = "Wins"
    Wins.Value = 0
    Wins.Parent = Leaderstats

    local DataPoiner = "Player_"..Joining.UserId
    local Success, Response = pcall(DataStore1.GetAsync, DataStore1, DataPointer)

    if (Success) then
        Wins.Value = tonumber(Response)
    else
        warn(Response)
    end

    Update:FireAllClients(Wins.Value)
end

local function PlayerRemoved(Removing)
    local Leaderstats = Removing:FindFirstChild("Leaderstats")
    if (Leaderstats and Leaderstats.Wins) then
        local DataPointer = "Player_"..Removing.UserId
        local Success, Response = pcall(DataStore1.SetAsync, DataStore1, DataPointer, Wins.Value)
        if (Success) then
           print("Saved Wins ("..Wins.Value..") for "..Removing.Name)
        else
           warn(Response)
        end
    end
end

Players.PlayerAdded:Connect(PlayerJoined)
Players.PlayerRemoving:Connect(PlayerRemoved)