using System;
using System.Collections.Generic;
using System.Linq;
using EnhancedUI.EnhancedScroller;
using UnityEngine;
using ScrollViewItemInfo = EventPartnerScrollViewItem.ScrollViewItemInfo;
using EScrollViewType = EventPartnerScrollViewItem.EScrollViewType;
using asap.core;
using Castle.Core.Internal;
using game;
using GameCore;
using UniRx;
using UnityEngine.UI;

public class EventPartnerInvitedPanel : MonoBehaviour, IEnhancedScrollerDelegate
{
    private readonly ICustomServerMgr _customServerMgr = GContext.container.Resolve<ICustomServerMgr>();
    private readonly EventPartnerData _eventPartnerData = GContext.container.Resolve<EventPartnerData>();
    private readonly IUserService _userService = GContext.container.Resolve<IUserService>();
    [SerializeField] private Button btnClose;
    private readonly string PlayerFullKey = "UI_ToastPanel_80", PartnerFullKey = "UI_ToastPanel_99";

    private async void Start()
    {
        btnClose.onClick.AddListener(OnClickClose);
        await InitScrollView();
        EventPartnerAct.Ctx.EventAggregator.GetEvent<EventPartnerClickAccept>()
            .Subscribe(e => _ = OnAccept(e.Info)).AddTo(this);
        EventPartnerAct.Ctx.EventAggregator.GetEvent<EventPartnerClickIgnore>()
            .Subscribe(e => _ = OnIgnore(e.Info.PlayfabId)).AddTo(this);
    }
    private void HideBtn()
    {
        EventPartnerAct.Ctx.EventAggregator.Publish(new EventPartnerHideApplicationBtn());
    }

    private void OnClickClose()
    {
        UIManager.Instance.DestroyUI(UITypes.EventPartnerInvitedPanel);
    }

    #region ScrollView

    [SerializeField] private EnhancedScroller scrollView;
    [SerializeField] private float jiandaItemHeight = 150f;
    [SerializeField] private EventPartnerScrollViewItem scrollViewItemPrefab;
    private List<ScrollViewItemInfo> _itemInfos = new List<ScrollViewItemInfo>();

    private async System.Threading.Tasks.Task InitScrollView()
    {
        await RequestItemInfo();
        var invitationList = _eventPartnerData.RequestPartners.ToList();
        // foreach (Transform child in scrollView.transform)
        // {
        //     Destroy(child.gameObject);
        // }

        scrollView.Delegate = this;
        scrollView.ReloadData();
    }

    public int GetNumberOfCells(EnhancedScroller scroller)
    {
        return _itemInfos.Count;
    }

    public float GetCellViewSize(EnhancedScroller scroller, int dataIndex)
    {
        return jiandaItemHeight;
    }

    public EnhancedScrollerCellView GetCellView(EnhancedScroller scroller, int dataIndex, int cellIndex)
    {
        var info = _itemInfos[dataIndex];
        if (scroller.GetCellView(scrollViewItemPrefab) is not EventPartnerScrollViewItem cellView)
        {
            Debug.Log("<color=red>[EventPartner] Cell view is null.</color>");
            return null;
        }

        cellView.Init(info);
        return cellView;
    }

    private async System.Threading.Tasks.Task OnAccept(ScrollViewItemInfo info)
    {
        if (_eventPartnerData.IsFullyMatched)
        {
            Debug.Log($"<color=#c191ff>[EventPartner]Cannot accept. Fully matched.</color>");
            ToastPanel.Show(LocalizationMgr.GetText(PlayerFullKey));
            return;
        }
        var request = new EventPartnerData.EventBuildPartnerRequest { partnerId = info.PlayfabId, eventId = _eventPartnerData.EventId};
        try
        {
            var response = await _customServerMgr.EventPartnerRequest<EventPartnerData.EventBuildOperationResp>(EventPartnerData.AcceptUrl, request);
            if (response.State != EventPartnerData.EEventBuildState.Success)
            {
                Debug.Log($"<color=#c191ff>[EventPartner]{response.State}: {response.ErrorMessage}</color>");
                ToastPanel.Show(LocalizationMgr.GetText(PartnerFullKey));
            }
            else
            {
                var idx = response.SlotId ??  throw new Exception($"Null slot id for {info.DisplayName}");
                _eventPartnerData.Components[idx].SetComponent(info);
                _ = EventPartnerAct.Ctx.ShowMainPanel(true, info.DisplayName, info.AvatarUrl, _eventPartnerData.Components[idx].GetComponentName());
            }
            for (int i = 0; i < _itemInfos.Count; i++)
            {
                if (_itemInfos[i].PlayfabId != info.PlayfabId)
                    continue;
                _itemInfos.RemoveAt(i);
                break;
            }
            _eventPartnerData.Cache.ListInvitedBy = _eventPartnerData.Cache.ListInvitedBy.Where(i => i.PlayfabId != info.PlayfabId).ToList();
            _eventPartnerData.RequestPartners.Remove(info.PlayfabId);
            _eventPartnerData.SavePlayerPreferenceData();
            scrollView.ReloadData();
        }
        catch (Exception e)
        {
            Debug.Log($"<color=#c191ff>[EventPartner]{e.Message}</color>");
        }

        if (_itemInfos.Count <= 0 || _eventPartnerData.IsFullyMatched)
        {
            OnClickClose();
            HideBtn();
        }
    }

    private async System.Threading.Tasks.Task OnIgnore(string partnerId)
    {
        var request = new EventPartnerData.EventBuildPartnerRequest { partnerId = partnerId , eventId = _eventPartnerData.EventId};
        try
        {
            var response = await _customServerMgr
                .EventPartnerRequest<EventPartnerData.EventBuildOperationResp>(
                    EventPartnerData.IgnoreUrl, request);
            if (response.State != EventPartnerData.EEventBuildState.Success)
                Debug.Log(
                    $"<color=#c191ff>[EventPartner]{response.State}: {response.ErrorMessage}</color>");
            else
            {
                for (int i = 0; i < _itemInfos.Count; i++)
                {
                    if (_itemInfos[i].PlayfabId != partnerId)
                        continue;
                    _itemInfos.RemoveAt(i);
                    break;
                }

                _eventPartnerData.Cache.ListInvitedBy = _eventPartnerData.Cache.ListInvitedBy.Where(info => info.PlayfabId != partnerId).ToList();
                _eventPartnerData.RequestPartners.Remove(partnerId);
                _eventPartnerData.SavePlayerPreferenceData();
                scrollView.ReloadData();
            }
        }
        catch (Exception e)
        {
            Debug.Log($"<color=#c191ff>[EventPartner]{e.Message}</color>");
        }

        if (_itemInfos.Count <= 0)
        {
            OnClickClose();
            HideBtn();
        }
    }

    private async System.Threading.Tasks.Task RequestItemInfo()
    {
        var originSet = new HashSet<string>();
        foreach (var partner in _eventPartnerData.RequestPartners)
        {
            originSet.Add(partner);
        }

        // Find in cache
        if (_eventPartnerData.Cache?.ListInvitedBy is { Count: > 0 })
        {
            foreach (var info in _eventPartnerData.Cache.ListInvitedBy.Where(info =>
                         originSet.Contains(info.PlayfabId)))
            {
                originSet.Remove(info.PlayfabId);
                _itemInfos.Add(info);
            }
        }

        if (originSet.IsNullOrEmpty())
            return;

        // Find in friendList
        var friendDictionary = GContext.container.Resolve<FriendService>().FriendList
            .ToDictionary(f => f.playFabId);
        if (!friendDictionary.IsNullOrEmpty())
        {
            var i = originSet.Intersect(friendDictionary.Keys);
            _itemInfos.AddRange(i.Select(s => new ScrollViewItemInfo
            {
                Type = EScrollViewType.Partner2Accept,
                PlayfabId = friendDictionary[s].playFabId,
                AvatarUrl = friendDictionary[s].avatarUrl,
                DisplayName = friendDictionary[s].displayName,
                Level = friendDictionary[s].value / LeadboardData.LV_MODELING
            }));
            originSet.RemoveWhere(friendDictionary.ContainsKey);
        }

        if (originSet.IsNullOrEmpty())
            return;

        // Find in server cache
        var request = new EventPartnerData.EventBuildRecentPlayerInfoRequest();
        request.playerPrefabs = originSet.ToArray();
        var resp = await _customServerMgr
            .EventPartnerRequest<EventPartnerData.EventBuildRecentPlayerInfoResponse>(
                EventPartnerData.MatchRecentPlayerInfoUrl, request);
        if (resp.State == EventPartnerData.EEventBuildState.Success && !resp.playerInfos.IsNullOrEmpty())
        {
            originSet = resp.leftOvers.ToHashSet();
            _itemInfos.AddRange(resp.playerInfos.Select(p => new ScrollViewItemInfo
            {
                Type = EScrollViewType.Partner2Accept, PlayfabId = p.PlayFabId,
                AvatarUrl = p.AvatarUrl,
                DisplayName = p.DisplayName, Level = p.Level
            }));
            if (originSet.IsNullOrEmpty())
                return;
        }

        // Find in server database.
        var displayInfoRequest = new EventPartnerData.EventBuildPlayerDisplayInfoRequest();
        displayInfoRequest.PlayfabIds = originSet.ToArray();
        var res = await _customServerMgr
            .EventPartnerRequest<EventPartnerData.EventBuildPlayerDisplayInfoResp>(
                EventPartnerData.PlayerDisplayInfoUrl, displayInfoRequest);
        if (res.State != EventPartnerData.EEventBuildState.Success || res.PlayerInfos.IsNullOrEmpty())
            Debug.Log($"<color=#c191ff>[EventPartner]Server response in invite panel info: {res.Message}</color>");

        foreach (var info in res.PlayerInfos)
        {
            originSet.Remove(info.PlayFabId);
            _itemInfos.Add(new ScrollViewItemInfo
            {
                Type = EScrollViewType.Partner2Accept, PlayfabId = info.PlayFabId,
                AvatarUrl = info.AvatarUrl, DisplayName = info.DisplayName, Level = info.Level
            });
        }

        if (originSet.IsNullOrEmpty())
            return;
        // Show default
        _itemInfos.AddRange(originSet.Select(p =>
            new ScrollViewItemInfo
            {
                Type = EScrollViewType.Partner2Accept,
                PlayfabId = p,
                AvatarUrl = "",
                DisplayName = _userService.GetDefaultName(p),
                Level = 60
            }));
    }

    #endregion
}