using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using System.Xml;
using System;
using System.IO;

namespace AIPagedLod
{
    [System.Serializable]
    public class DataPathInfo
    {
        public string mDataName;
        public string mDataPath;
        public bool mIsDaJiangData = false;
        public int mMinLevel;
        public bool mLodEnable = false;
    }

    public enum TileDataType
    { 
        OSGB = 1,
        B3DM = 2,
        UNKNOWN= 3
    }


    public class PagedLodConfig : MonoBehaviour
    {
        public static PagedLodConfig mInstance = null;

        public static int mThreadCount = 2;
        public int mExpiryFrames = 0;
        public Dictionary<string, DataPathInfo> mDataPathDict = new Dictionary<string, DataPathInfo>();
        public int mMeshLayer = 8;
        public int mCoroutineCount = 0;
        public float mLoadRadius = 3000.0f;

        public float mMaxSSE = 60.0F;
        public bool mIsLoadFromUrl = false;
        public TileDataType mTileDataType = TileDataType.UNKNOWN;
        public int mCollectCount = 0;
        public void Awake()
        {
            mInstance = this;
#if !UNITY_EDITOR && !UNITY_WEBGL  && !UNITY_ANDROID
            InitConfig();
#endif
        }

        public string GetFileSufix()
        {
            if (mTileDataType == TileDataType.OSGB)
                return ".osgb";
            else
                return ".b3dm";
        }

        public void InitConfig()
        { 
            XmlDocument xmlDoc = new XmlDocument();
            xmlDoc.Load(Application.streamingAssetsPath + "/PagedLodConfig/Config.xml");
            XmlElement mainConfig = (XmlElement)xmlDoc.DocumentElement.GetElementsByTagName("MainConfig")[0];
            mThreadCount = int.Parse(mainConfig.GetAttribute("threadCount"));
            mExpiryFrames = int.Parse(mainConfig.GetAttribute("expiryFrames"));
            mCoroutineCount = int.Parse(mainConfig.GetAttribute("coroutineCount"));
            mDataPathDict.Clear();
            XmlElement dataPathConfig = (XmlElement)xmlDoc.DocumentElement.GetElementsByTagName("DataPathConfig")[0];
            foreach (var node in dataPathConfig.ChildNodes)
            {
                XmlElement pathConfig = (XmlElement)node;
                DataPathInfo info = new DataPathInfo();
                info.mIsDaJiangData = bool.Parse(pathConfig.GetAttribute("isDaJiangData"));
                info.mDataName = pathConfig.GetAttribute("name");
                info.mDataPath = pathConfig.GetAttribute("path");
                info.mMinLevel = int.Parse(pathConfig.GetAttribute("minLevel"));
                info.mLodEnable = bool.Parse(pathConfig.GetAttribute("lodEnable"));

                mDataPathDict.Add(pathConfig.GetAttribute("name"), info);
                if (!Directory.Exists(info.mDataPath))
                {
                    Directory.CreateDirectory(info.mDataPath);
                }
            }
        }
    }
}