local DataStore = game:GetService("DataStoreService")
local ds1 = DataStore:GetDataStore("StrengthSaveSystem")
local ds2 = DataStore:GetDataStore("StageSaveSystem")
local ds3 = DataStore:GetDataStore("MoneySaveSystem")
local ds4 = DataStore:GetDataStore("BackPackSaveSystem")

game.Players.PlayerAdded:Connect(function(Player)
	local leader = Instance.new("Folder",Player)
	leader.Name = "leaderstats"
	local Strength = Instance.new("IntValue",leader)
	Strength.Name = "Strength"
	Strength.Value = ds1:GetAsync(Player.UserId) or 0
	local Stage = Instance.new("IntValue",leader)
	Stage.Name = "Stage"
	Stage.Value = ds2:GetAsync(Player.UserId) or 0
	local Money = Instance.new("IntValue",leader)
	Money.Name = "Money"
	Money.Value = ds3:GetAsync(Player.UserId) or 0
	local BackPack = Instance.new("IntValue",leader)
	BackPack.Name = "BackPack"
	BackPack.Value = ds4:GetAsync(Player.UserId) or 0
	ds1:SetAsync(Player.UserId, Strength.Value)
	Strength.Changed:connect(function()
		ds1:SetAsync(Player.UserId, Strength.Value)
		ds2:SetAsync(Player.UserId, Stage.Value)
		Stage.Changed:connect(function()
			ds2:SetAsync(Player.UserId, Stage.Value)
			ds3:SetAsync(Player.UserId, Money.Value)
			Money.Changed:connect(function()
				ds3:SetAsync(Player.UserId, Money.Value)
				ds4:SetAsync(Player.UserId, BackPack.Value)
				BackPack.Changed:connect(function()
					ds4:SetAsync(Player.UserId, BackPack.Value)
				end)
			end)
		end)
	end)
end)


game.Players.PlayerRemoving:Connect(function(Player)
	ds1:SetAsync(Player.UserId,Player.leaderstats.Strength.Value)
end)


game.Players.PlayerRemoving:Connect(function(Player)
	ds2:SetAsync(Player.UserId,Player.leaderstats.Stage.Value)
end)


game.Players.PlayerRemoving:Connect(function(Player)
	ds3:SetAsync(Player.UserId,Player.leaderstats.Money.Value)
end)


game.Players.PlayerRemoving:Connect(function(Player)
	ds4:SetAsync(Player.UserId,Player.leaderstats.BackPack.Value)
end)

game.ReplicatedStorage.BuyItem.OnServerEvent:Connect(function(player,weight)
	if player.leaderstats.Money.Value >= weight.Price.Value then
		player.leaderstats.Money.Value = player.leaderstats.Money.Value - weight.Price.Value
		local newWeight = weight:Clone()
		local oldWeight = player.Backpack:FindFirstChildOfClass("Tool") or player.Character:FindFirstChildOfClass("Tool")
		oldWeight:Destroy()
		newWeight.Parent = player.Backpack
	end
end)