-- ============================================================================
-- npc.lua - NPC with multi-line dialogue
-- ============================================================================
-- Tests: onInteract, onButtonPress, Controls, UI text,
--        scene-level dialogue system, Input constants, Interact API

local talked = false

function onCreate(self)
    talked = false
end

function onInteract(self)
    if isInDialogue() then return end

    -- Disable interaction while dialogue is open so the prompt hides
    Interact.SetEnabled(self, false)

    if not talked then
        talked = true
        startDialogue({
            "Hello, traveler!",
            "Welcome to the test scene.",
            "There are collectibles, a door,",
            "triggers, and a portal here.",
            "Press CROSS to advance dialogue.",
            "Good luck exploring!"
        })
    else
        startDialogue({
            "You again?",
            "Go find the collectibles!",
            "There should be three of them."
        })
    end
end

function onButtonPress(self, button)
    if not isInDialogue() then return end
    if button == Input.CROSS then
        advanceDialogue()
        -- Re-enable interaction when dialogue ends
        if not isInDialogue() then
            Interact.SetEnabled(self, true)
        end
    end
end