Codes Server

local ReplicatedStorage = game:GetService("ReplicatedStorage")

local CodesConfig = require(ReplicatedStorage.Configs.Codes)

local Remotes = ReplicatedStorage.Remotes

local function RedeemCode(Player: Player, CodeName: string)
    local GivenCode = string.lower(CodeName)

    local FoundCode = nil
    for _, Code in ipairs(CodesConfig) do
        if string.lower(Code.CodeName) == GivenCode then
            FoundCode = Code
            break
        end
    end

    if not FoundCode then
        return false, "Code Invalid"
    end

    local CurrentTime = os.time()
    if CurrentTime > FoundCode.Expire then
        return false, "Code Expired"
    end

    if Player:FindFirstChild("RedeemedCodes"):FindFirstChild(FoundCode.CodeName) then
        return false, "Code Already Redeemed"
    end

    local Leaderstats = Player:FindFirstChild("leaderstats")
    if Leaderstats and Leaderstats:FindFirstChild(FoundCode.CurrencyType) then
        local CurrencyValue = Leaderstats[FoundCode.CurrencyType]
        CurrencyValue.Value += FoundCode.AmountToGive

        local RedeemedCode = Instance.new("StringValue", Player.RedeemedCodes)
        RedeemedCode.Name = FoundCode.CodeName

        return true, "Code Redeemed"
    else
        return false, "Failed To Reward"
    end
end

Remotes.RedeemCode.OnServerEvent:Connect(function(Player: Player, CodeName: string)
    if type(CodeName) ~= "string" then return end

    local Success, Message = RedeemCode(Player, CodeName)
    Remotes.RedeemCode:FireClient(Player, Success, Message)
end)