using System.Collections.Generic;
using UnityEngine;
using VRShopping.Interact;
using VRShopping.Items;

public class BarcodeScaner : MonoBehaviour
{
    //스캔 영역 콜라이더
    [SerializeField] private Collider _scanAreaCollider;

    //스캔 이펙트
    [SerializeField] private ParticleSystem _scanVisualEffect;

    //스캔 사운드
    [SerializeField] private AudioSource _scanSoundEffect;

    //체크아웃 정보 저장 객체
    [SerializeField] private CheckoutMachine _checkoutMachine;

    private readonly Collider[] _overlapBuffer = new Collider[32];
    private readonly HashSet<ItemInstance> _scannedBuffer = new();

    // 스캔영역 콜라이더 안에 들어온 아이템들을 스캔함
    public void ScanArea()
    {
        if (_scanAreaCollider == null) return;

        var bounds = _scanAreaCollider.bounds;
        var count = Physics.OverlapBoxNonAlloc(bounds.center, bounds.extents, _overlapBuffer, Quaternion.identity);

        _scannedBuffer.Clear();
        for (int i = 0; i < count; i++)
        {
            var item = _overlapBuffer[i].GetComponentInParent<ItemInstance>();
            if (item != null && _scannedBuffer.Add(item)) ScanProduction(item);
        }
    }

    //ItemInstance의 상품 정보를 스캔
    public void ScanProduction(ItemInstance itemIns)
    {
        //AddCheckoutSum으로 총 계산금액에 더함
        _checkoutMachine.AddCheckoutSum(itemIns.ItemDataInfo.FinalPrice);

        if (_scanVisualEffect != null) _scanVisualEffect.Play();
        if (_scanSoundEffect != null) _scanSoundEffect.Play();
    }



}