using System;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using Cysharp.Threading;
using Cysharp.Threading.Tasks;
using System.Threading.Tasks;

/// <summary>
/// Main类，作为热更新程序集的入口点
/// </summary>
public class Main
{
    public static List<IGameSystemManager> managers = new List<IGameSystemManager>();

    /// <summary>
    /// 初始化函数，由Launch类调用
    /// </summary>
    public static async UniTask Init()
    {
        Debug.Log("Main.Init() 被调用");
        await InitSystems();

        Debug.Log("关闭加载界面");
        LaunchLoadingWin.Instance.CloseWindow();

        SwitchToLoginScene();
    }

    /// <summary>
    /// 初始化游戏系统
    /// </summary>
    private static async UniTask InitSystems()
    {
        // 这里可以初始化大型系统 贯穿整个游戏的系统
        await ResManager.Instance.Init();
        UIManager.Instance.Init();
        StageManager.Instance.Init();
        LoginManager.Instance.Init();

    }

    private static void SwitchToLoginScene()
    {
        // Debug.Log("打开登录界面");
        // UIManager.Instance.OpenWindow<LoginWin>();
        Debug.Log("切换到登录场景");
        ConfigManager.Instance.Init();
        StageManager.Instance.ToLoginScene();
    }

    public static void OnEnterGameScene()
    {
        // 初始化游戏场景
        Debug.Log("初始化游戏场景");

        // 初始化游戏系统
        managers.Add(BattleManager.Instance);

        foreach (var manager in managers)
        {
            manager.Init();
        }

        foreach (var manager in managers)
        {
            manager.RequestNessaryData();
        }

    }

    public static void OnSwitchToLoginScene()
    {
        foreach (var manager in managers)
        {
            manager.Release();
        }

        managers.Clear();
    }
    
    /// <summary>
    /// 打开登录界面
    /// </summary>
    private static void OpenLoginUI()
    {



    }
}