using System.Collections;
using System.Collections.Generic;
using UnityEngine;

namespace game
{
    public class FloatingTextPool : MonoBehaviour
    {
        public static FloatingTextPool Instance { get; private set; }

        [SerializeField] private GameObject floatingScoreTextPrefab;
        [SerializeField] private GameObject floatingMultipleTextPrefab;
        [SerializeField] private int initialScorePoolSize = 12;
        [SerializeField] private int initialMultiplePoolSize = 2;

        private Queue<FloatingText> m_ScorePool = new Queue<FloatingText>();
        private Queue<FloatingText> m_MultiplePool = new Queue<FloatingText>();

        private void Awake()
        {
            if (Instance != null && Instance != this)
            {
                Destroy(gameObject);
                return;
            }

            Instance = this;
            InitializePool();
        }

        private void OnDestroy()
        {
            m_ScorePool.Clear();
            m_ScorePool = null;

            m_MultiplePool.Clear();
            m_MultiplePool = null;

            Instance = null;
        }

        private void InitializePool()
        {
            for (int i = 0; i < initialScorePoolSize; i++)
            {
                CreateNewScoreTextObject();
            }

            for (int i = 0; i < initialMultiplePoolSize; i++)
            {
                CreateNewMultipleTextObject();
            }
        }

        private void CreateNewScoreTextObject()
        {
            var obj = Instantiate(floatingScoreTextPrefab, transform);
            var floatingText = obj.GetComponent<FloatingText>();
            floatingText.gameObject.SetActive(false);
            m_ScorePool.Enqueue(floatingText);
        }

        private void CreateNewMultipleTextObject()
        {
            var obj = Instantiate(floatingMultipleTextPrefab, transform);
            var floatingText = obj.GetComponent<FloatingText>();
            floatingText.gameObject.SetActive(false);
            m_MultiplePool.Enqueue(floatingText);
        }

        public FloatingText GetFloatingScoreText()
        {
            if (m_ScorePool.Count == 0)
            {
                CreateNewScoreTextObject();
            }

            var text = m_ScorePool.Dequeue();
            text.gameObject.SetActive(true);
            return text;
        }

        public FloatingText GetFloatingMultipleText()
        {
            if (m_ScorePool.Count == 0)
            {
                CreateNewMultipleTextObject();
            }

            var text = m_MultiplePool.Dequeue();
            text.gameObject.SetActive(true);
            return text;
        }

        public void ReturnToScorePool(FloatingText text)
        {
            text.gameObject.SetActive(false);
            m_ScorePool.Enqueue(text);
        }
        public void ReturnToMultiplePool(FloatingText text)
        {
            text.gameObject.SetActive(false);
            m_MultiplePool.Enqueue(text);
        }
    }
}