using UnityEngine;
using TMPro;

public class PickUpKeyCard : MonoBehaviour
{
    [Header("Per‑Object Settings")]
    [SerializeField] private bool isKeyCard = false;
    [SerializeField] private string keyCardName = "Deck D key card";

    [Header("Refs & Settings")]
    public TMP_Text interactionPrompt;
    private Outline outline;
    [SerializeField] private Animator objectAnimator;
    [SerializeField] private string animationName = "PickupAnimation";
    [SerializeField] private AudioClip pickupSound;
    [SerializeField] private KeyCardPlayer keyCardPlayer;
    [SerializeField] private float interactionDistance = 5f;
    [SerializeField] private Item keyCardItem;
    [SerializeField] private Inventory playerInventory;

    private bool isPickedUp;

    void Awake()
    {
        outline = GetComponent<Outline>();
        if (outline) outline.enabled = true;
        if (interactionPrompt) interactionPrompt.enabled = false;
    }

    void Update()
    {
        if (isPickedUp) return;

        var ray = Camera.main.ScreenPointToRay(new Vector3(Screen.width/2, Screen.height/2));
        if (!Physics.Raycast(ray, out var hit, interactionDistance))
        {
            if (interactionPrompt) interactionPrompt.enabled = false;
            return;
        }

        if (hit.collider.gameObject != gameObject)
        {
            if (interactionPrompt) interactionPrompt.enabled = false;
            return;
        }

        if (interactionPrompt)
        {
            interactionPrompt.text = isKeyCard
                ? $"Left click to pick up {keyCardName}"
                : "Left click to pick up item";
            interactionPrompt.enabled = true;
        }

        if (!Input.GetMouseButtonDown(0)) return;

        bool hasSpace = false;
        if (playerInventory != null)
        {
            
            
            foreach (var slot in playerInventory.slots)
                if (slot == null) { hasSpace = true; break; }

            if (!hasSpace)
            {
                Debug.Log("Inventory is full!");
                if (interactionPrompt) interactionPrompt.text = "Inventory full!";
                return;
            }
        }
        isPickedUp = true;
        if (isKeyCard && keyCardPlayer != null)
            keyCardPlayer.hasKeyCard = true;

        
        if (playerInventory != null)
        {
            playerInventory.AddItem(keyCardItem);
            FindObjectOfType<InventoryUI>()?.RefreshUI();
            Destroy(gameObject);
        }
        if (outline) outline.enabled = false;
        interactionPrompt.enabled = false;
        objectAnimator?.Play(animationName, 0, 0);
        if (pickupSound) SoundFXManager.instance.PlaySound(pickupSound, transform, 1.5f);
    }
}