using System;
using System.Collections;
using System.Collections.Generic;
using System.Threading;
using BITKit;
using BITKit.Mod;
using BITKit.UX;
using Com.Project.B.Lobby;
using Cysharp.Threading.Tasks;
using Project.B.Player;
using UnityEngine;
using UnityEngine.UIElements;

namespace Project.B.UX
{
    public class UXLobbySearch : UIToolKitPanel
    {
        protected override string DocumentPath=>"ux_lobby_search";
        private const string TemplatePath="ux_lobby_search-template";
        private VisualTreeAsset _template;
        public override bool AllowCursor => true;
        public override bool IsWindow => true;
        public override bool CloseWhenClickOutside => true;
        private readonly ILobbyServices _lobbyServices;
        private readonly IUXWaiting _uxWaiting;
        private readonly IUXDialogue _dialogue;
        private readonly IPlayerData _playerData;
        public UXLobbySearch(IUXService uxService, ILobbyServices lobbyServices, IUXWaiting uxWaiting, IPlayerData playerData, IUXDialogue dialogue) : base(uxService)
        {
            _lobbyServices = lobbyServices;
            _uxWaiting = uxWaiting;
            _playerData = playerData;
            _dialogue = dialogue;
        }
        
        [UXBindPath("lobby-container")]
        private VisualElement _lobbyContainer;
        [UXBindPath("refresh-button")]
        private Button _refreshButton;

        private CancellationTokenSource _cancellationTokenSource;
        
        public override async UniTask EntryAsync()
        {
            await base.EntryAsync();
            UXUtils.Inject(this);
            _template =await ModService.LoadAsset<VisualTreeAsset>(TemplatePath);
            _refreshButton.clicked+=()=>Rebuild().Forget();
            await Rebuild();
        }

        private async UniTask Rebuild()
        {
            try
            {
                _cancellationTokenSource?.Cancel();
                _cancellationTokenSource = new CancellationTokenSource();
                var token = _cancellationTokenSource.Token;
                _lobbyContainer.Clear();
                foreach (var lobbyData in await _lobbyServices.GetAllLobbyDataAsync())
                {
                    if (RootVisualElement is null || token.IsCancellationRequested) return;
                    var container = _lobbyContainer.Create(_template);
                    container.Get<Label>().text = lobbyData.Name;
                    container.Get<Label>(2).text = lobbyData.PlayerIds.Length.ToString();
                    container.Get<Button>().clicked += () => JoinLobby(lobbyData);
                }
            }
            catch (Exception e)
            {
                _dialogue.Show(e.Message);
            }
         
        }
        private async void JoinLobby(ILobbyData lobbyData)
        {
            var handle = _uxWaiting.Get().SetMessage($"正在加入大厅:{lobbyData.Name}");
            try
            {
                await _lobbyServices.JoinLobbyAsync(_playerData.PlayerId, lobbyData.Id);
                UXService.Entry<UXLobby>();
            }
            catch (Exception e)
            {
             _dialogue.Show(e.Message);   
            }
            handle.Dispose();
        }
    }
}