using System.Collections.Generic;
using UnityEngine;

namespace CharacterSystem
{
    [CreateAssetMenu(fileName = "ReplicasSet", menuName = "Scriptable Objects/ReplicasSet")]
    public class ReplicasSet : ScriptableObject
    {
        public GameEvent type;

        [SerializeField] private List<Replica> _referenceList;

        private List<Replica> _currentPool;

        [field: SerializeField, Range(0f, 1f)] public float PlayProbability { get; private set; } = 1f;

        public Replica GetNext()
        {
            if (_currentPool == null || _currentPool.Count == 0)
                Refill();

            if (_currentPool.Count == 0)
            {
                Debug.LogError($"Набор реплик {name} пуст");
                return default;
            }

            Replica item = _currentPool[^1];
            _currentPool.RemoveAt(_currentPool.Count - 1);
            return item;
        }

        public void Refill()
        {
            _currentPool = _referenceList == null
                ? new List<Replica>()
                : new List<Replica>(_referenceList);
            Shuffle(_currentPool);
        }

        private void Shuffle(List<Replica> list)
        {
            for (int i = 0; i < list.Count; i++)
            {
                int randomIndex = Random.Range(i, list.Count);
                (list[i], list[randomIndex]) = (list[randomIndex], list[i]);
            }
        }
    }
}