using System;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UIElements;
using UnityEngine.InputSystem;
using BITKit;
using BITKit.UX;
using BITKit.Entities;
using BITKit.SceneManagement;

namespace BITFALL.UX
{
    public class UXLoading : UIToolKitPanel
    {
        [Header(Constant.Header.Providers)]
        [SerializeReference, SubclassSelector] private ISceneService sceneService;
        [SerializeReference, SubclassSelector] private INetProvider netProvider;
        [Header(Constant.Header.Components)]
        [SerializeField] private UXBar loadBar;
        [SerializeField] private UXLabel loadText;
        [SerializeField] private UXLabel mapLabel;
        [SerializeField] private UXElement blackScreen;
        protected override VisualElement background => null;

        [Inject]
        private IUXWaiting _waiting;
        private IUXWaitingHandle _waitingHandle;

        protected override void Awake()
        {
            base.Awake();
            sceneService.OnLoadScene += Load;
            sceneService.OnSceneLoadProgress += OnLoadProgress;
            
            sceneService.OnUnloadScene += OnUnloadScene;
            sceneService.OnSceneUnloaded += OnSceneUnloaded;
        }
        protected override void Start()
        {
            base.Start();
            DI.Inject(this);
        }

        private void Load(string obj)
        {
            mapLabel.Set(obj);
            loadBar.SetDirect(0,$"正在开始加载:{obj}");
            Entry();
        }
        private void OnLoadProgress(string s, float f)
        {
            loadBar.Set(f);
            loadText.Set(s);
        }
        private void OnSceneUnloaded(string obj)
        {
            if (_waitingHandle is not null)
            {
                _waiting.Release(_waitingHandle);
            }
        }
        private void OnUnloadScene(string obj)
        {
            if(_waiting is null)return;
            _waitingHandle = _waiting.Get();
            _waitingHandle.SetMessage("正在返回主场景");
        }
    }
}