using System.Collections.Generic;
using asap.core;
using cfg;
using game;
using GameCore;
using UniRx;
using System.Text;
using UnityEngine;

public interface IDeferredRewardStashService
{
    public void DisposeSubscriptions();
    public void Reset();
    public void Flush();
    public void UploadData();
    public void LoadData();
    public IReadOnlyList<ItemData> Items { get; }
    public bool IsEmpty { get; }
}

public class DeferredRewardStashService : IDeferredRewardStashService
{
    private readonly TbItem _itemTable = GContext.container.Resolve<Tables>().TbItem;
    private readonly PlayerItemData _playerItemData = GContext.container.Resolve<PlayerItemData>();
    private CompositeDisposable _disposables;
    private List<ItemData> _items;
    public IReadOnlyList<ItemData> Items => _items;
    public bool IsEmpty => _items is not { Count: > 0 };
    private const string Key = "DeferredRewardStashService", Comma = ",", Splitter = "|";

    // private readonly HashSet<int> _excludeList = new HashSet<int>
    // {
    //     310020000,
    //     310030000,
    //     310040000,
    //     320020000,
    //     320030000,
    //     320040000,
    // };

    /// <summary>
    /// Temporary usage to exclude handbag from showing, and showing only.
    /// </summary>
    // private bool IsItemHandBag(ItemData item)
    // {
    //     var itemLine = _itemTable.GetOrDefault(item.id);
    //     if (itemLine == null)
    //         return false;
    //     return itemLine.Type == 9 && itemLine.SubType == 7;
    // }

    public DeferredRewardStashService()
    {
        _disposables = new CompositeDisposable();
        GContext.OnEvent<EventStashDrop>().Subscribe(StashItemsByDrop).AddTo(_disposables);
        GContext.OnEvent<EventStashItems>().Subscribe(StashItems).AddTo(_disposables);
        GContext.OnEvent<EventStashDropList>().Subscribe(StashItemsByDropList).AddTo(_disposables);
        GContext.OnEvent<EventStashItem>().Subscribe(e => StashItem(e.Item)).AddTo(_disposables);
    }

    public void DisposeSubscriptions()
    {
        _disposables.Dispose();
        _disposables = null;
    }

    public void Reset()
    {
        _items = new List<ItemData>();
        //_items.Clear();
    }

    public void Flush()
    {
        Debug.Log("[DeferredRewardStashService] Flush.");
        string textValue = LocalizationMgr.GetText("UI_MiniBattlePass_DivePopupPanel_8");
        RewardType rewardType = RewardType.FishBoxFly;
        if (IsEmpty)
        {
            rewardType = RewardType.FishBoxFlyRestore;
            textValue = LocalizationMgr.GetText("UI_FishingRewardPanel_101042");
            LoadData();
        }
        if (IsEmpty)
            return;
        ShowData showData = new ShowData(_items, rewardType);
        showData.textValue = textValue;
        //UI_FishingRewardPanel_101041
        GContext.Publish(showData);
        _playerItemData.AddItem(_items);
        Reset();
        UploadData();
    }

    private void StashItemsByDropList(EventStashDropList e)
    {
        foreach (var dropId in e.DropList)
        {
            var items = _playerItemData.GetItemDataByDropId(dropId);
            foreach (var item in items)
            {
                StashItem(item);
            }
        }
        UploadData();
    }

    private void StashItemsByDrop(EventStashDrop e)
    {
        var items = _playerItemData.GetItemDataByDropId(e.DropId);
        foreach (var item in items)
        {
            StashItem(item);
        }
        UploadData();
    }

    private void StashItems(EventStashItems e)
    {
        var items = e.Items;
        foreach (var item in items)
        {
            StashItem(item);
        }
        UploadData();
    }

    private void StashItem(ItemData item)
    {
        if (!_itemTable.DataMap.ContainsKey(item.id))
        {
            //Debug.LogError($"Item id {item.id} not found in item table.");
            return;
        }
        // Debug.Log($"[RewardStash] Item {item.id} * {item.count} Stashed.");
        var itemDropPackageItems = GetItemDropPackageItemList(item);
        if (itemDropPackageItems != null && itemDropPackageItems.Count > 0)
        {
            foreach (var dropItem in itemDropPackageItems)
            {
                _items.Add(dropItem);
            }
        }
        else
        {
            _items.Add(item);
        }

        UploadData();
        // _playerItemData.AddItem(item);
    }
    List<ItemData> GetItemDropPackageItemList(ItemData itemData)
    {
        Item item = _itemTable.GetOrDefault(itemData.id);
        if (item.Type == 9)
        {
            switch (item.SubType)
            {
                case 1:
                case 3:
                case 4:
                case 7:
                    return _playerItemData.GetItemDropPackageItemList(item.RedirectID, itemData.count);

                default:
                    break;
            }
        }
        return null;
    }
    private string Serialize()
    {
        var sb = new StringBuilder();
        foreach (var item in _items)
            sb.Append(item.id + Comma + (int)item.count + Splitter);
        if (sb.Length > 0)
            sb.Remove(sb.Length - 1, 1);
        return sb.ToString();
    }

    private List<ItemData> Deserialize(string s)
    {
        if (s == null || s == "")
            return new List<ItemData>();
        var items = s.Split(Splitter);
        var res = new List<ItemData>();
        foreach (var item in items)
        {
            var split = item.Split(Comma);
            if (split.Length != 2)
            {
                Debug.LogWarning($"[DeferredRewardStashService]Wrong amount of parameters in \"{item}\".");
                continue;
            }
            var id = int.Parse(split[0]);
            var count = int.Parse(split[1]);
            var itemData = new ItemData(id, count);
            res.Add(itemData);
        }
        return res;
    }

    public void UploadData()
    {
        var s = Serialize();
        PlayFabMgr.Instance.UpdateUserDataValue(Key, s);
    }

    public void LoadData()
    {
        Reset();
        var s = PlayFabMgr.Instance.GetLocalData(Key);
        if (string.IsNullOrEmpty(s))
            return;
        _items = Deserialize(s);
    }

    public class EventStashItems
    {
        public List<ItemData> Items;
    }

    public class EventStashDrop
    {
        public int DropId;
    }

    public class EventStashDropList
    {
        public List<int> DropList;
    }

    public class EventStashItem
    {
        public ItemData Item;
    }
}