using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using AIPagedLod;
using System.IO;
using UnityEngine.UI;
using System;
using System.Threading;
using UnityEngine.EventSystems;
public class LoadDataRumtime : MonoBehaviour
{
    public bool mIsAutoLoad = false;
    public Transform mDataContent;
    public GameObject mDataItemPrefab;
    public Transform mDataLoadInfoContent;
    public GameObject mDataLoadInfoItemPrefab;
    public GameObject mDataLoadInfoObject;
    public bool mIsGetDataCenter = false;

    public static bool mSetCameraPositionFlag = true;
    private Dictionary<string, RuntimeDataLoader> mDataLoaderDict = new Dictionary<string, RuntimeDataLoader>();
    private bool mIsLoadFinished = false;
    void Start()
    {
        if (mIsAutoLoad)
        {
            StartLoadData();
        }
    }
    public void StartLoadData()
    {
        mDataLoaderDict.Clear();
        List<string> dataNameList = new List<string>(PagedLodConfig.mInstance.mDataPathDict.Keys);
        for (int i = 0; i < dataNameList.Count; ++i)
        {
            string dataName = dataNameList[i];
            GameObject dataLoaderObject = new GameObject(dataName);
            RuntimeDataLoader dataLoader = dataLoaderObject.AddComponent<RuntimeDataLoader>();
            //if (PagedLodConfig.mInstance.mTileDataType == TileDataType.OSGB)
            //{
            //    dataLoader.transform.Rotate(new Vector3(-90f, 0f, 0f));
            //}
            dataLoader.mDataPathInfo = PagedLodConfig.mInstance.mDataPathDict[dataName];
            mDataLoaderDict.Add(dataName, dataLoader);

            //--------------------------------------------------------UI
            GameObject dataItem = GameObject.Instantiate(mDataItemPrefab);
            dataItem.SetActive(true);
            dataItem.transform.SetParent(mDataContent);
            dataItem.name = dataName;
            dataItem.GetComponentInChildren<Text>().text = dataName;
            dataItem.GetComponentInChildren<Button>().onClick.AddListener(SwitchCameraToData);

            GameObject dataLoadInfoItem = GameObject.Instantiate(mDataLoadInfoItemPrefab);
            dataLoadInfoItem.SetActive(true);
            dataLoadInfoItem.transform.SetParent(mDataLoadInfoContent);
            dataLoader.mDataLoadInfoItem = dataLoadInfoItem;

            dataLoader.StartLoad();
        }
    }	

    void Update()
    {
        if (mDataLoaderDict.Count == 0) return ;

        if (mIsGetDataCenter)
        {
            if (Input.GetMouseButtonDown(0))
            {
                Ray cameraRay = Camera.main.ScreenPointToRay(Input.mousePosition);
                RaycastHit cameraHit;
                if (Physics.Raycast(cameraRay, out cameraHit, float.MaxValue))
                {
                    if (mDataLoaderDict.Count > 0)
                    {
                        RuntimeDataLoader loader = new List<RuntimeDataLoader>(mDataLoaderDict.Values)[0];
                        loader.mCenterPosition = cameraHit.point;
                        loader.SaveDataCenterToConfigFile();
                        SetCameraToCenter(loader.mCenterPosition);
                    }
                }
            }
        }

        if (mIsLoadFinished) return;

        bool allFinished = true;
        foreach (KeyValuePair<string, RuntimeDataLoader> item in mDataLoaderDict)
        {
            if(!item.Value.mIsLoadFinished)
            {
                allFinished = false;
                break;
            }
        }
        if(allFinished)
        {
            foreach (KeyValuePair<string, RuntimeDataLoader> item in mDataLoaderDict)
            {
                item.Value.StartUpdateLod();
            }
            mDataLoadInfoObject.SetActive(false);
            mIsLoadFinished = true;
        }     
    }

    public void SetIsGetDataCenter(bool flag)
    {
        mIsGetDataCenter = flag;
    }

    public void SwitchCameraToData()
    {
        GameObject dataItem = EventSystem.current.currentSelectedGameObject;
        SetCameraToCenter(mDataLoaderDict[dataItem.name].mCenterPosition);
    }

    public static void SetCameraToCenter(Vector3 center)
    {
        if (Camera.main.GetComponent<AroundCamera>() != null)
        {
            AroundCamera around = Camera.main.GetComponent<AroundCamera>();
            MouseTranslate translate = around.target.GetComponent<MouseTranslate>();
            translate.areaSettings.center.position = center;
            translate.transform.position = center;
            translate.CurrentOffset = translate.targetOffset = Vector3.zero;
            around.target.position = center;
        }
    }
}