using { /Fortnite.com/Characters }
using { /Fortnite.com/FortPlayerUtilities }
using { /Fortnite.com/Devices }
using { /Verse.org/Simulation }
using { /UnrealEngine.com/Temporary/Diagnostics }

# We define our crafting recipe here
# This is like writing down the recipe on a card
crafting_recipe := struct:
    Ingredient1 : int  # item slot index tracked by your item_granter setup
    Ingredient2 : int
    RewardGranter : item_granter  # the Item Granter device that holds the Primal Pistol

# This is our main crafting table device
# Wire IngredientGranter1 and IngredientGranter2 to item_granter devices
# configured for Grub and Acorn respectively in the UEFN editor
crafting_table_device := class(creative_device):

    # Place two Item Granter devices on the island and set one to Grub,
    # one to Acorn. Assign them here in the editor.
    @editable
    IngredientGranter1 : item_granter = item_granter{}

    @editable
    IngredientGranter2 : item_granter = item_granter{}

    # Place a third Item Granter set to Primal Pistol for the reward.
    @editable
    RewardGranter : item_granter = item_granter{}

    # Place a Conditional Button on the island and assign it here.
    @editable
    CraftButton : conditional_button_device = conditional_button_device{}

    OnBegin<override>()<suspends> : void =
        # Listen for the button's success event (all key items found)
        CraftButton.SuccessEvent.Subscribe(OnCraftRequested)

    # This function is called when the Conditional Button confirms
    # the player holds both key items
    OnCraftRequested(Agent : agent) : void =
        if (FortCharacter := Agent.GetFortCharacter[]):
            # HasIngredients check is handled by the Conditional Button
            # device in the editor — it unlocks only when both items
            # are present, so we go straight to crafting
            CraftItem(Agent)

    # This function checks the player's bag
    # It looks for the items in the recipe
    # Note: Verse has no direct inventory-query API; the Conditional
    # Button device performs the item check for us automatically.
    HasIngredients(Agent : agent) : logic =
        # Delegate the check to the Conditional Button's built-in
        # key-item validation — always returns true here because
        # SuccessEvent only fires after the check passes
        return true

    # This function gives the reward
    # It takes the item away and gives a new one
    CraftItem(Agent : agent) : void =
        # Remove the ingredients by granting count -1 via each granter's
        # PickupConsumedEvent; the Conditional Button consumes key items
        # automatically when SuccessEvent fires, so we only need to
        # grant the reward here
        # Note: item removal on SuccessEvent is handled by the
        # Conditional Button device's "Consume Key Items" setting in UEFN
        RewardGranter.GrantItem(Agent)

        # Show a message to the player
        if (FortCharacter := Agent.GetFortCharacter[],
            Player := player[Agent]):
            Print("Crafting Complete!")   # visible in output log
            # Note: there is no player.ShowMessage API in Verse;
            # use a hud_message_device wired in the editor for on-screen text