using System.Collections;
using System.Collections.Generic;
using BlueWater.Items;
using BlueWater.Utility;
using Sirenix.OdinInspector;
using UnityEngine;

namespace BlueWater.Uis
{
    public class ItemLootUi : MonoBehaviour
    {
        [SerializeField]
        private List<ItemLootInfoUi> _itemLootInfoUis = new(3);
        
        [ShowInInspector]
        private Queue<(ItemData, int, int)> _waitingLootInfoUis = new();

        private Coroutine _waitingQueueCoroutineInstance;
        private readonly WaitForSeconds _coroutineRestartTime = new(0.5f);

        private void Awake()
        {
            var itemLootInfoUis = GetComponentsInChildren<ItemLootInfoUi>();
            foreach (var element in itemLootInfoUis)
            {
                _itemLootInfoUis.Add(element);
            }
        }

        public void ShowLootInfoUi(ItemData itemData, int count)
        {
            var totalItemCount = DataManager.Instance.Inventory.GetItemByIdx(itemData.Idx).Quantity;

            if (_waitingLootInfoUis.Count > 0)
            {
                _waitingLootInfoUis.Enqueue((itemData, count, totalItemCount));
                return;
            }
            
            foreach (var element in _itemLootInfoUis)
            {
                if (element.IsShowing) continue;

                SetItemLootInfo(element, itemData, count, totalItemCount);
                return;
            }
            
            _waitingLootInfoUis.Enqueue((itemData, count, totalItemCount));
            Utils.StartUniqueCoroutine(this, ref _waitingQueueCoroutineInstance, WaitingQueueCoroutine());
        }

        private void SetItemLootInfo(ItemLootInfoUi element, ItemData itemData, int count, int totalItemCount)
        {
            var itemNameText = $"+{count} {itemData.Name}";
            var totalItemCountText = $"({totalItemCount})";
            
            element.SetInfo(itemData.Sprite, itemNameText, totalItemCountText);
            element.ShowUi();
        }
        
        private IEnumerator WaitingQueueCoroutine()
        {
            while (_waitingLootInfoUis.Count > 0)
            {
                foreach (var element in _itemLootInfoUis)
                {
                    if (element.IsShowing) continue;
                    
                    var lootInfoUi = _waitingLootInfoUis.Dequeue();
                    SetItemLootInfo(element, lootInfoUi.Item1, lootInfoUi.Item2, lootInfoUi.Item3);

                    break;
                }

                yield return _coroutineRestartTime;
            }

            _waitingQueueCoroutineInstance = null;
        }
    }
}