local rs = game:GetService("ReplicatedStorage");
local ds = game:GetService("DataStoreService");
local buxStore = ds:GetDataStore("Bux");
local codesStore = ds:GetDataStore("Codes");
local events = rs:WaitForChild("Events");
local redeemFunction = events:WaitForChild("Redeem");
local codes = {["topnotch"]=200};
local cantUse = {};

redeemFunction.OnServerInvoke = function(player, codeIn)
	local code = codeIn:lower();
	if (codes[code]) then
		local entry = codesStore:GetAsync(code);
		if (entry == nil) then
			codesStore:SetAsync(code,{});
			entry = {};
		end
		if (entry[player.UserId] == nil and cantUse[player.Name] == nil) then
			entry[player.UserId] = true;
			cantUse[player.Name] = true;
			coroutine.resume(coroutine.create(function()
				codesStore:SetAsync(code, entry);
			end))
			local add = codes[code];
			local stat = player:WaitForChild("leaderstats"):WaitForChild("PremierBux");
			stat.Value = stat.Value+add;
			return "Code applied successfully (+"..add..").";
		else
			return "Code already redeemed."
		end
	else
		return "Code invalid.";
	end
end

game.Players.PlayerAdded:Connect(function(player)
	local lStats = player:WaitForChild("leaderstats");
	local pBux = Instance.new("NumberValue");
	pBux.Name = "PremierBux";
	pBux.Parent = lStats;
	local value = buxStore:GetAsync(player.UserId);
	pBux.Value = value or 0;
end)

game.Players.PlayerRemoving:Connect(function(player)
	local lStats = player:WaitForChild("leaderstats");
	local pBux = lStats:waitForChild("PremierBux");
	buxStore:SetAsync(player.UserId, pBux.Value);
end)

game:BindToClose(function()
	for i,v in pairs(game.Players:GetChildren()) do
		local lStats = v:WaitForChild("leaderstats");
		local pBux = lStats:waitForChild("PremierBux");
		buxStore:SetAsync(v.UserId, pBux.Value);
	end
end)

while (true) do
	wait(60);
	for i,v in pairs(game.Players:GetChildren()) do
		local lStats = v:WaitForChild("leaderstats");
		local pBux = lStats:waitForChild("PremierBux");
		pBux.Value = pBux.Value+5;
	end
end