using UnityEngine;

[RequireComponent(typeof(SphereCollider))]
public class PickupItem : MonoBehaviour
{
    public ItemData item;
    public int amount = 1;
    public KeyCode interactKey = KeyCode.E;
    public float interactionRadius = 2.25f;
    public Inventory targetInventory;

    private Transform player;
    private bool playerInRange;

    private void Awake()
    {
        SphereCollider trigger = GetComponent<SphereCollider>();
        trigger.isTrigger = true;
        trigger.radius = interactionRadius;
    }

    private void Start()
    {
        if (targetInventory == null)
            targetInventory = FindObjectOfType<Inventory>();

        SimplePlayerController controller = FindObjectOfType<SimplePlayerController>();
        if (controller != null)
            player = controller.transform;
    }

    private void Update()
    {
        if (player != null)
            SetPlayerInRange(Vector3.Distance(transform.position, player.position) <= interactionRadius);

        if (!playerInRange || item == null || targetInventory == null)
            return;

        if (DialogueManager.Instance != null && DialogueManager.Instance.IsDialogueActive)
            return;

        ShowHint();

        if (Input.GetKeyDown(interactKey) && targetInventory.AddItem(item, amount))
        {
            if (DialogueHUD.Instance != null)
            {
                DialogueHUD.Instance.SetStatus("Получен предмет: " + item.itemName);
                DialogueHUD.Instance.HideHint();
            }

            gameObject.SetActive(false);
        }
    }

    private void OnTriggerEnter(Collider other)
    {
        if (other.GetComponentInParent<SimplePlayerController>() != null)
        {
            player = other.transform;
            SetPlayerInRange(true);
        }
    }

    private void OnTriggerExit(Collider other)
    {
        if (other.GetComponentInParent<SimplePlayerController>() != null)
            SetPlayerInRange(false);
    }

    private void OnDrawGizmosSelected()
    {
        Gizmos.color = new Color(0.2f, 0.8f, 1f, 0.25f);
        Gizmos.DrawSphere(transform.position, interactionRadius);
        Gizmos.color = new Color(0.2f, 0.8f, 1f, 1f);
        Gizmos.DrawWireSphere(transform.position, interactionRadius);
    }

    private void SetPlayerInRange(bool inRange)
    {
        if (playerInRange == inRange)
            return;

        playerInRange = inRange;

        if (!inRange && DialogueHUD.Instance != null)
            DialogueHUD.Instance.HideHint();
    }

    private void ShowHint()
    {
        if (DialogueHUD.Instance != null)
            DialogueHUD.Instance.ShowHint("Нажмите E, чтобы подобрать: " + item.itemName);
    }
}