using UnityEngine;
using TMPro;

public class PickUpKeyCard : MonoBehaviour
{
    public TMP_Text interactionPrompt;
    private Outline outline;

    [SerializeField] private Animator objectAnimator;
    [SerializeField] private string animationName = "PickupAnimation";
    [SerializeField] private AudioClip pickupSound = null;
    [SerializeField] private string keyCardName = "Deck D key card";

    [SerializeField] private KeyCardPlayer keyCardPlayer = null;
    [SerializeField] private float interactionDistance = 5.0f;

    [SerializeField] private Item keyCardItem;
    [SerializeField] private Inventory playerInventory;

    private bool isPickedUp = false;

    void Awake()
    {
        outline = GetComponent<Outline>();
        if (outline != null)
            outline.enabled = true;

        if (interactionPrompt != null)
            interactionPrompt.enabled = false;
    }

    void Update()
    {
        if (!isPickedUp)
        {
            Ray ray = Camera.main.ScreenPointToRay(new Vector3(Screen.width / 2, Screen.height / 2, 0));
            if (Physics.Raycast(ray, out RaycastHit hit, interactionDistance))
            {
                if (hit.collider.gameObject == gameObject)
                {
                    if (interactionPrompt != null)
                    {
                        interactionPrompt.text = "Left click to pick up " + keyCardName;
                        interactionPrompt.enabled = true;
                    }

                    if (Input.GetMouseButtonDown(0))
                    {
                        bool hasSpace = false;
                        foreach (var slot in playerInventory.slots)
                        {
                            if (slot == null)
                            {
                                hasSpace = true;
                                break;
                            }
                        }

                        if (!hasSpace)
                        {
                            Debug.Log("Inventory is full!");
                            if (interactionPrompt != null)
                                interactionPrompt.text = "Inventory full!";
                            return;
                        }

                        isPickedUp = true;

                        if (keyCardPlayer != null)
                            keyCardPlayer.hasKeyCard = true;

                        if (playerInventory != null && keyCardItem != null)
                        {
                            playerInventory.AddItem(keyCardItem);

                            InventoryUI inventoryUI = FindObjectOfType<InventoryUI>();
                            if (inventoryUI != null)
                                inventoryUI.RefreshUI();

                            Destroy(gameObject);
                        }

                        if (outline != null)
                            outline.enabled = false;

                        if (interactionPrompt != null)
                            interactionPrompt.enabled = false;

                        if (objectAnimator != null)
                            objectAnimator.Play(animationName, 0, 0.0f);

                        if (pickupSound != null)
                            SoundFXManager.instance.PlaySound(pickupSound, transform, 1.5f);
                    }
                }
                else
                {
                    if (interactionPrompt != null)
                        interactionPrompt.enabled = false;
                }
            }
            else
            {
                if (interactionPrompt != null)
                    interactionPrompt.enabled = false;
            }
        }
    }
}