using UnityEngine;
using System.Collections;
using UnityEngine.SceneManagement;

/// <summary>
/// 关卡
/// </summary>
public enum E_Level
{
    /// <summary>
    /// 片头关卡
    /// </summary>
    newsplash = 0,

    /// <summary>
    /// 加载关卡
    /// </summary>
    Loading = 1,

    /// <summary>
    /// 更新关卡
    /// </summary>
    Update = 2,

    /// <summary>
    /// 登陆关卡
    /// </summary>
    Login = 3,

    Main = 6,
    /// <summary>
    /// 战斗前场景
    /// </summary>
    Guide = 5,

    /// <summary>
    /// 战斗关卡
    /// </summary>
    Battle = 6,

    /// <summary>
    /// 无尽之塔
    /// </summary>
    Endless = 14,

    /// <summary>
    /// 守护模式
    /// </summary>
    Defense = 18
}

/// <summary>
/// 关卡管理者
/// </summary>
public class LevelManager : MonoBehaviour
{
    /// <summary>
    /// 单键
    /// </summary>
    private static LevelManager pInit = null;

    /// <summary>
    /// 当前关卡
    /// </summary>
    public E_Level mCurLevel { get; set; }

    /// <summary>
    /// 当前关卡资源名称
    /// </summary>
    public string mCurLevelResName = "";

    /// <summary>
    /// 要打开的窗口名称
    /// </summary>
    public string mWindowName { get; set; }

    /// <summary>
    /// 要打开的窗口附带的参数
    /// </summary>
    public object mParameter { get; set; }

    /// <summary>
    /// 
    /// </summary>
    private bool mIsAutoUnloadLoing = true;

    /// <summary>
    /// 获取单键
    /// </summary>
    /// <returns>单键实例</returns>
    public static LevelManager Instance()
    {
        return pInit;
    }

    /// <summary>
    /// 初始化
    /// </summary>
    private void Awake()
    {
        // 初始化
        pInit = this;
    }

    /// <summary>
    /// 加载关卡
    /// </summary>
    /// <param name="_level"> 关卡枚举</param>
    /// <param name="_windowName">(仅在战斗关卡有效)进入关卡需要打开的界面名称</param>
    /// <param name="_parameter">进入关卡需要打开的界面所需的参数</param>
    /// <param name="_isloadtype">加载动画（默认蓝背景+ 小人）</param>
    public void LoadLevel(E_Level _level, string _windowName = "", object _parameter = null, int _isloadtype = 2)
    {
        mCurLevelResName = _windowName;
        mCurLevel = _level;
        mWindowName = _windowName;
        mParameter = _parameter;
        NpcManager.Instance.Init();
        if (_isloadtype != 0)
        {
            UI_LoadingWindow.Instance().Show(_isloadtype);
            Invoke("Lateload", 0.15f);
        }
        else
        {
            SceneManager.LoadScene((int)_level);
        }
    }

    /// <summary>
    /// 加载关卡
    /// </summary>
    /// <param name="_levelName"> 关卡资源名称（此模式需要先加关卡载资源在加载关卡）</param>
    /// <param name="_windowName">(仅在战斗关卡有效)进入关卡需要打开的界面名称</param>
    /// <param name="_parameter">进入关卡需要打开的界面所需的参数</param>
    /// <param name="_isloadtype">加载动画（默认蓝背景+ 小人）</param>
    public void LoadLevel(string _levelName, string _windowName = "", object _parameter = null, int _isloadtype = 2, E_Level _levelType = E_Level.Battle)
    {
        mCurLevel = _levelType;
        mCurLevelResName = _levelName;
        mWindowName = _windowName;
        mParameter = _parameter;

        if (_isloadtype != 0)
        {
            UI_LoadingWindow.Instance().Show(2);
            Invoke("Lateload", 0.15f);
        }
        else
        {
            SceneManager.LoadScene(_levelName);
        }
    }

    /// <summary>
    /// 延迟加载
    /// </summary>
    private void Lateload()
    {
        SceneManager.LoadScene((int)E_Level.Loading);
    }
}