using AIPagedLod;
using LitJson;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.Networking;
using UnityEngine.UI;
using UnityEngine.Events;
using Unity.VisualScripting;
using DG.Tweening;
using UnityAsync;
using System.Threading.Tasks;
using UnityEngine.UIElements;
[System.Serializable]
public class TileUrlInfo
{
    public string mTileSetUrl;
    public string mTileFileUrl;
    public Dictionary<string, B3dmBasicInfo> mBasicInfoDict = new Dictionary<string, B3dmBasicInfo>();//���ڵ�ӵ��
    public B3dmBasicInfo mBasicInfo = new B3dmBasicInfo();
    public PagedLod mPagedLod;
}

public class LoadDataFromUrl : MonoBehaviour
{
    public bool mIsAutoLoad = false;

    public string mTileSetUrl = "";
    public string mTileSetUrlLocal = "";
    public bool useLocalUrl = true;
    public List<TileUrlInfo> mTileUrlList = new List<TileUrlInfo>();
    public GameObject mLoadManagerPrefab;
    public Vector3 mDataCenter;

    [HideInInspector] public int mCurrentLoadTileSetIndex = 0;
    [HideInInspector] public int mTileSetLoadedCount = 0;
    [HideInInspector] public int mCurrentLoadTileFileIndex = 0;
    [HideInInspector] public int mTileFileLoadedCount = 0;

    public UnityEvent mLoadRootTileSetEvent;
    public UnityEvent mLoadTileSetEvent; 
    public UnityEvent mLoadTileFileEvent;
    protected string mBaseUrl;
    protected bool mIsStartLoadTileSetJson = false;
    protected bool mIsStartLoadTileFile = false;

    public bool testCenterPos = false;
    public Vector3 centerPos = new Vector3(0, 0, 0);

    [HideInInspector] public LoadPagedLodFromFileManager mCurrentLoadManager;

    public Vector3 foucusPos;

    public B3dmBasicInfo currentBasicInfo;
    void Start()
    {
        if(mIsAutoLoad)
        {
            PagedLodConfig.mInstance.mIsLoadFromUrl = true;
            StartDownloadRootTileSetJson();
            
        }
    }

    #region --------------------------StartDownloadTileFile

    public void StartDownloadTileFile()
    {
        CreateLoadManager();
        mIsStartLoadTileFile = true;
    }

    void CreateLoadManager()
    {
        GameObject loadManagerObject = GameObject.Instantiate(mLoadManagerPrefab);
        LoadPagedLodFromFileManager loadManager = loadManagerObject.GetComponent<LoadPagedLodFromFileManager>();
        loadManagerObject.transform.SetParent(transform);
        loadManagerObject.transform.localPosition = Vector3.zero;
        loadManagerObject.transform.localEulerAngles = Vector3.zero;
        loadManagerObject.transform.localScale = Vector3.one;
        loadManager.mConfig.mDataName = "";
        loadManager.mConfig.mDataPath = "";
        loadManager.mConfig.mIsUpdate = false;
        loadManager.mConfig.mBaseUrl = mBaseUrl;
        mCurrentLoadManager = loadManager;
    }
    #endregion

    #region ---------------------StartLoadTileSetJson
    private void Update()
    {
        if (testCenterPos) {
            Vector3 center = transform.TransformPoint(centerPos);
            AroundCamera around = Camera.main.GetComponent<AroundCamera>();
            MouseTranslate translate = around.target.GetComponent<MouseTranslate>();
            translate.transform.position = center;
            translate.CurrentOffset = translate.targetOffset = center - translate.areaSettings.center.position;
            translate.enabled = true;
        }

        if (mIsStartLoadTileSetJson)
        {
            if (DownloadTileSetManager.mInstance.CanDownload())
            {
                if (mCurrentLoadTileSetIndex < mTileUrlList.Count)
                {
                    TileUrlInfo info = mTileUrlList[mCurrentLoadTileSetIndex];
                    DownloadTileSetManager.mInstance.StartDownloadTileSetJson(this, info);
                }
                mCurrentLoadTileSetIndex++;
            }
        }
        else if (mIsStartLoadTileFile)
        {
            if (DownloadTileFileManager.mInstance.CanDownload())
            {
                if (mCurrentLoadTileFileIndex < mTileUrlList.Count)
                {
                    TileUrlInfo info = mTileUrlList[mCurrentLoadTileFileIndex];
                    DownloadTileFileManager.mInstance.StartDownloadTileFile(this, info);
                }
                mCurrentLoadTileFileIndex++;
            }
        }
    }

    public void DoLoadTileFileFinished()
    {
        mTileFileLoadedCount++;
        mLoadTileFileEvent.Invoke();
        if (mTileFileLoadedCount == mTileUrlList.Count) //ȫ��TileFile�������
        {
            mIsStartLoadTileFile = false;
            mCurrentLoadTileFileIndex = 0;
            mCurrentLoadManager.mConfig.mIsUpdate = true;
        }
    }

    public void DoLoadTileSetFinished()
    {
        mTileSetLoadedCount++;
        mLoadTileSetEvent.Invoke();
        if(mTileSetLoadedCount == mTileUrlList.Count) //ȫ��TileSet�������
        {
            mIsStartLoadTileSetJson = false;
            mCurrentLoadTileFileIndex = 0;
            if(mIsAutoLoad)
            {
                StartDownloadTileFile();//��ʼ������Ƭ����
            }
        }
    }
    #endregion

    #region -----------------------StartDownloadRootTileSetJson
    //�������������ݵ�tileset.Json�ļ�
    public void StartDownloadRootTileSetJson()
    {
        StartCoroutine(DownloadRootTileSetJson());
    }

    public IEnumerator DownloadRootTileSetJson()
    {
        string url = mTileSetUrl;
        if (useLocalUrl) {
            mTileSetUrlLocal = Application.streamingAssetsPath + "/" + mTileSetUrlLocal;
            url = mTileSetUrlLocal;
        }
        mBaseUrl = url.Replace("tileset.json", "");
        UnityWebRequest www = UnityWebRequest.Get(url);
        www.timeout = 10;
        yield return www.SendWebRequest();
        if (www.isHttpError || www.isNetworkError)
        {
            Debug.Log(www.error + " " + url);
        }
        else
        {
            JsonData resultJson = JsonMapper.ToObject(www.downloadHandler.text);
            JsonData tileJson = resultJson["root"];
            B3dmBasicInfo basicInfo = PagedLod.LoadTileBasicInfo(tileJson);
            currentBasicInfo = basicInfo;
            //Vector3 center = transform.TransformPoint(basicInfo.mBounds.center);
            //mDataCenter = center;
            //SetCameraToCenter(center);
            JsonData children = tileJson["children"];
            for (int i = 0; i < children.Count; ++i)
            {
                string childUrl = children[i]["content"]["uri"].ToString();
                string tileUrl = mBaseUrl + childUrl.Replace("./","");
                TileUrlInfo info = new TileUrlInfo();
                info.mTileSetUrl = tileUrl;
                mTileUrlList.Add(info);
            }
            mCurrentLoadTileSetIndex = 0;
            mIsStartLoadTileSetJson = true;
            mLoadRootTileSetEvent.Invoke();
        }
    }
    #endregion

    public void ForceSacnMode() {
        if (!this.gameObject.activeSelf) this.gameObject.SetActive(true);
        SetCameraToCenter(foucusPos);
    }

    public async Task SetCameraToCenter(Vector3 centerPos = default(Vector3))
    {
        if (Camera.main.GetComponent<AroundCamera>() != null)
        {
            AroundCamera around = Camera.main.GetComponent<AroundCamera>();
            MouseTranslate translate = around.target.GetComponent<MouseTranslate>();
            translate.enabled = false;

            if (centerPos == Vector3.zero)
            {
                await Await.Until(() =>
                {
                    return currentBasicInfo.mBounds.center != Vector3.zero;
                });
                print("�������");
                print(currentBasicInfo.mBounds.center);
                Vector3 center = transform.TransformPoint(currentBasicInfo.mBounds.center);
                translate.transform.position = center;
                translate.CurrentOffset = translate.targetOffset = center - translate.areaSettings.center.position;
                translate.enabled = true;
            }
            else
            {
                MeshRenderer fader = Camera.main.transform.GetChild(0).GetComponent<MeshRenderer>();
                fader.gameObject.SetActive(true);
                fader.material.DOColor(Color.white, 0.1f).onComplete = () =>
                {
                    fader.material.DOColor(Color.clear, 1.5f).onComplete = () =>
                    {
                        fader.gameObject.SetActive(false);
                    };

                };
                Vector3 center = transform.TransformPoint(centerPos);
                translate.transform.position = center;
                translate.CurrentOffset = translate.targetOffset = center - translate.areaSettings.center.position;
                translate.enabled = true;
            }
            //translate.transform.position = center;
            //translate.CurrentOffset = translate.targetOffset = center - translate.areaSettings.center.position;
            
            //around.target.position = center;
        }
    }


    
    public void ResetTile()
    {
        mTileUrlList.Clear();
        mCurrentLoadTileSetIndex = 0;
        mCurrentLoadTileFileIndex = 0;
        mTileSetLoadedCount = 0;
        mTileFileLoadedCount = 0;
        if (mCurrentLoadManager != null)
        {
            foreach(var item in mCurrentLoadManager.mPagedLodList)
            {
                item.CollectChildTiles();
            }
            GameObject.Destroy(mCurrentLoadManager.gameObject);
        }
    }
}