Stacks System

local Medkit = script.Parent
local MaxStock = 10

local StockGui = Medkit.StockGui

Medkit.ClickDetector.MouseClick:Connect(function(player)

    MaxStock -= 1

    StockGui.stockLabel.Text = "Stock: "..MaxStock

    if MaxStock == 0 then
        Medkit.BrickColor = BrickColor.new("Really red")
        StockGui.stockLabel.Text = "Out of Stock"
    end

    if not player.Backpack:FindFirstChild("Name Here") then
        game.ServerStorage.Foods.Medkit:Clone().Parent = player.Backpack
    end

    if player.Backpack:FindFirstChild("Name Here") then
        player.Backpack:FindFirstChild("Name Here").stacks.Value += 1
    end
end)

Medkit.ProximityPrompt.Triggered:Connect(function(player)

    if player.Coins.Value >= 100 then
        player.Coins.Value = player.Coins.Value - 100
        MaxStock += 10
        Medkit.BrickColor = BrickColor.new("White")
        StockGui.stockLabel.Text = "STOCK: "..MaxStock
    end
end)