using System;
using System.Collections;
using System.Collections.Generic;
using BITKit;
using BITKit.Mod;
using BITKit.UX;
using BITKit.WorldNode;
using Cysharp.Threading.Tasks;
using Net.Project.B.Interaction;
using Net.Project.B.Quest;
using Project.B.Map;
using UnityEditor;
using UnityEngine;
using UnityEngine.UIElements;

namespace Net.Like.Xue.Tokyo.UX
{
    public class UXHud : UIToolKitPanel
    {
        private readonly IGameMapService _gameMapService;
        private readonly IWorldInteractionService _interactionService;
        private readonly WorldInfoNodeService _worldInfoNodeService;
        private readonly IQuestService _questService;
        public UXHud(IUXService uxService, IGameMapService gameMapService, IWorldInteractionService interactionService, WorldInfoNodeService worldInfoNodeService, IQuestService questService) : base(uxService)
        {
            _gameMapService = gameMapService;
            _interactionService = interactionService;
            _worldInfoNodeService = worldInfoNodeService;
            _questService = questService;

            _gameMapService.OnMapChanged += OnMapChanged;

            _interactionService.OnInteraction += OnInteraction;
            
            
            Data.AddListener<float>("Time",x=>
            {
                _timeSlider?.SetValueWithoutNotify(x);
            });
            
            _questService.OnQuestCreatedOrUpdated +=(x,y,z)=>_questQueue.Enqueue(new(x,y,z));
            foreach (var (index,quest) in _questService.Quests)
            {
                _questQueue.Enqueue(new(quest,QuestState.Inactive,quest.CurrentState));
            }
        }

        private void OnInteraction(object arg1, IWorldInteractable arg2, WorldInteractionProcess arg3, object arg4)
        {
            switch (arg3)
            {
                case WorldInteractionProcess.Hover:
                    _interactionTips.SetActive(true);
                    _interactionTips.text = _worldInfoNodeService.WorldInfoNodes.TryGetValue(arg2.Id, out var node) ? node.Name : "互动";
                    break;
                default:
                    _interactionTips.SetActive(false);
                    break;
            }
        }

        private void OnMapChanged(Guid arg1, string arg2)
        {
            UXService.Entry<UXHud>();
        }

        protected override string DocumentPath => "ux_hud";
        public override bool AllowInput => true;
        public override bool AllowCursor => false;

        [UXBindPath("minimap-container")]
        private VisualElement _minimapContainer;
        [UXBindPath("minimap-player")]
        private VisualElement _miniPlayer;
        [UXBindPath("interaction-tips")]
        private Label _interactionTips;
        [UXBindPath("time-slider")]
        private Slider _timeSlider;
        [UXBindPath("quest-container")]
        private VisualElement _questContainer;

        private Camera _minimapCamera;
        private Camera _mainCamera;
        
        private VisualTreeAsset _questTemplate;
        
        private readonly Queue<(IQuestData questData, QuestState oldQuestState, QuestState newQuestState)> _questQueue =
            new();
        
        public override async UniTask EntryAsync()
        {
            await base.EntryAsync();
            UXUtils.Inject(this);
            
            _interactionTips.SetActive(false);
            
            _minimapContainer.RegisterCallback<MouseDownEvent>(x =>
            {
                UXService.Entry<UXMap>();
            });
            
            _timeSlider.RegisterValueChangedCallback(x => { Data.Set("Time", x.newValue); });
            _questContainer.Clear();
            
            _questTemplate =await ModService.LoadAsset<VisualTreeAsset>("ux_quest_template");
            
            _timeSlider.value = Data.Get<float>("Time");
        }

        public override void OnTick(float deltaTime)
        {
            base.OnTick(deltaTime);
            
            if(RootVisualElement is null)return;
            if (!_minimapCamera)
            {
                _minimapCamera = GameObject.Find("minimap_camera")?.GetComponent<Camera>();
                return;
            }
            if (!_mainCamera)
            {
                _mainCamera = Camera.main;
                return;
            }

            var point = _minimapCamera.WorldToViewportPoint(_mainCamera.transform.position);

            _miniPlayer.style.left = _minimapContainer.layout.width * point.x - _miniPlayer.layout.width / 2;
            _miniPlayer.style.top = _minimapContainer.layout.height * (1-point.y) - _miniPlayer.layout.height / 2;
            
            
            if (_questContainer is not null && _questTemplate!=null)
            {
                while (_questQueue.TryDequeue(out var quest))
                {
                    var visualElement = _questContainer.Create(_questTemplate);
                    visualElement.Get<Label>(0).text = quest.questData.Name;
                    visualElement.Get<Label>(1).text = quest.questData.Description;
                }
            }
        }
    }

}