local isMenuOpen = false
local lastInteraction = 0

-- Inicializacija ox_target za modele avtomatov
Citizen.CreateThread(function()
    local models = {}
    for model, _ in pairs(Config.VendingProps) do
        table.insert(models, model)
    end

    exports.ox_target:addModel(models, {
        {
            name = 'vending_machine',
            icon = 'fas fa-shopping-basket',
            label = 'Uporabi avtomat',
            onSelect = function(data)
                OpenVendingMenu(data.entity)
            end
        }
    })
end)

-- Funkcija za odpiranje NUI vmesnika
function OpenVendingMenu(entity)
    local model = GetEntityModel(entity)
    local vData = Config.VendingProps[model]
    
    if not vData then return end
    
    local items = Config.Items[vData.type]
    
    isMenuOpen = true
    SetNuiFocus(true, true)
    SendNUIMessage({
        action = "open",
        items = items,
        label = vData.label,
        imgPath = Config.InventoryImagePath
    })
end

-- Callback za nakup artikla
RegisterNUICallback('buyItem', function(data, cb)
    -- Preverjanje cooldowna (da se prepreči spam)
    if GetGameTimer() - lastInteraction < Config.Settings.Cooldown then
        exports['prism_uipack']:Notify({
            description = 'Avtomat še vedno procesira prejšnjo zahtevo...',
            type = 'error',
            position = 'top-center',
            duration = 3000
        })
        return cb('ok')
    end

    lastInteraction = GetGameTimer()
    
    -- Progress bar ob izdajanju artikla
    local success = exports['prism_uipack']:ProgressBar({
        label = 'Izdajanje artikla...',
        duration = 2000,
        position = 'bottom-center',
        canCancel = true,
        anim = {
            dict = 'mp_common',
            clip = 'givetake2_a'
        },
        disable = {
            move = true,
            car = true,
            mouse = false
        }
    })

    if success then
        -- Pošiljanje zahteve na strežnik
        TriggerServerEvent('vending:purchase', data.item, data.price)
    else
        -- Obvestilo ob prekinitvi
        exports['prism_uipack']:Notify({
            description = 'Nakup je bil preklican.',
            type = 'warning',
            position = 'top-center',
            duration = 3000
        })
    end
    
    cb('ok')
end)

-- Callback za zapiranje vmesnika
RegisterNUICallback('close', function(_, cb)
    isMenuOpen = false
    SetNuiFocus(false, false)
    cb('ok')
end)

-- Poskrbi, da se NUI fokus sprosti, če se skripta ugasne (restart)
AddEventHandler('onResourceStop', function(resourceName)
    if (GetCurrentResourceName() ~= resourceName) then return end
    if isMenuOpen then
        SetNuiFocus(false, false)
    end
end)