using System.Collections;
using System.Collections.Concurrent;
using System.Collections.Generic;
using System.Linq;
using System.Runtime.InteropServices;
using BITKit;
using BITKit.Entities;
using BITKit.Mod;
using Cysharp.Threading.Tasks;
using Microsoft.Extensions.Logging;
using Net.Project.B.Interaction;
using Net.Project.B.Item;
using Project.B.Item;
using UnityEngine;

namespace Net.Project.B.Inventory
{
    public class UnityBuyStationService : IBuyStationService
    {
        private readonly IWorldInteractionService _interactionService;

        private readonly ILogger<UnityBuyStationService> _logger;

        private readonly IManagedItemService _itemService;

        private readonly IEntitiesService _entitiesService;
        
        public UnityBuyStationService(IEntitiesService entitiesService, IManagedItemService itemService, IWorldInteractionService interactionService, ILogger<UnityBuyStationService> logger)
        {
            _entitiesService = entitiesService;
            _itemService = itemService;
            _interactionService = interactionService;
            _logger = logger;
        }

        public  UniTask<IReadOnlyList<BuyStationComponent>> GetAllItemList()
        {
            var result = _entitiesService.QueryComponents<ScriptableBuyStationItemList>().ToArray().SelectMany(scriptableBuyStationItemList => scriptableBuyStationItemList.ItemList).ToArray();;
            return UniTask.FromResult<IReadOnlyList<BuyStationComponent>>(result);
        }

        public async UniTask<bool> BuyItem(int buyer, BuyStationComponent buyStationComponent)
        {
            if (_entitiesService
                    .QueryComponents<ScriptableItem>().ToArray().FirstOrDefault(x => x.Id == buyStationComponent.ScriptableId) is not { } item)
            {
                _logger.LogWarning($"未找到ID为:{buyStationComponent.ScriptableId}的物品");
                return false;
            }


            if (_entitiesService.TryGetEntity(buyer, out var entity) &&
                entity.ServiceProvider.QueryComponents(out Transform transform))
            {
                var runtimeItem = item.CreateRuntimeItem();

                var go = await _itemService.InstanceItem(transform.position, transform.rotation, runtimeItem);

                if (go is GameObject gameObject &&
                    _entitiesService.TryGetEntity(gameObject.GetInstanceID(), out var itemEntity) &&
                    itemEntity.ServiceProvider.QueryComponents(out IWorldInteractable interactable))
                {
                    _interactionService.Interaction(entity, interactable);
                }
                else
                {
                    _logger.LogInformation("已购买物品,但未自动互动");
                }

                return true;
            }

            _logger.LogWarning($"未找到ID为:{buyer}的角色或玩家");

            return false;
        }
    }

}