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

/// <summary>
/// 根据数据动态加载设备
/// </summary>
public class DeviceManager : MonoBehaviour
{
    [HideInInspector]
    public static DeviceManager instance;


    private void Awake()
    {
        instance = this;
    }

    /// <summary>
    /// 根据json加载设备
    /// </summary>
    /// <param name="info"></param>
    public void LoadDeviceByJson(DeviceData info)
    {
        ClearDevices();
        GameObject device;
        foreach (var item in info.devices)
        {
            Debug.Log(item.deviceSubType);
            device=GameObject.Instantiate(Resources.Load<GameObject>("Prefab/Devices/" + item.deviceSubType));
            device.name=item.deviceSubType;
            device.transform.parent= transform;
            device.transform.position = new Vector3(float.Parse(item.deviceX), float.Parse(item.deviceY), float.Parse(item.deviceZ));
            device.transform.eulerAngles = new Vector3(device.transform.eulerAngles.x, float.Parse(item.deviceAngle), device.transform.eulerAngles.z);
            device.GetComponent<ModelItem>().code = item.deviceSeq;
            device.GetComponent<ModelItem>().floorIndex = int.Parse(item.floor);
        }
    }

    /// <summary>
    /// 清空本地设备
    /// </summary>
    public void ClearDevices()
    {
        foreach (Transform item in transform)
        {
            item.gameObject.SetActive(false);
            Destroy(item.gameObject);
        }
    }

    /// <summary>
    /// 将子物体中的设备数据记录成json（StreamingAssets/Json/DeviceInfo.json）
    /// </summary>
    public static void RecordDataToJson(GameObject devicelist)
    {
        Debug.Log("开始记录...");
        DeviceData devicelistData = new DeviceData();
        devicelistData.devices = new DeviceInfo[devicelist.GetComponentsInChildren<ModelItem>(true).Length];
        int index = 0;
        foreach (ModelItem item in devicelist.GetComponentsInChildren<ModelItem>(true))
        { 
            DeviceInfo _deviceinfo = new DeviceInfo();
            _deviceinfo.hallCode = "";
            _deviceinfo.deviceName = item.name;
            _deviceinfo.deviceType = GetDeviceType(item.deviceType);
            _deviceinfo.floor = item.floorIndex.ToString();
            _deviceinfo.deviceSubType = GetPrefabAssetPath(item.gameObject);
            _deviceinfo.deviceX = item.transform.position.x.ToString();
            _deviceinfo.deviceY = item.transform.position.y.ToString();
            _deviceinfo.deviceZ = item.transform.position.z.ToString();
            _deviceinfo.deviceAngle = item.transform.eulerAngles.y.ToString();
            _deviceinfo.deviceSeq = "";

            devicelistData.devices[index]= _deviceinfo;
            index++;
        }
        string infojson =JsonUtility.ToJson(devicelistData);
        infojson=infojson.Replace("{\"devices\":", "");
        infojson= infojson.Remove(infojson.Length-1);
        Debug.Log(infojson);
        CreateFile(Application.streamingAssetsPath+"/Json/DeviceInfo.json",infojson);
        Debug.Log("保存成功！"+ Application.streamingAssetsPath + "/Json/DeviceInfo.json");
    }
    /// <summary>
    /// 获取设备类型编号
    /// </summary>
    private static string GetDeviceType(DeviceType type)
    {
        string typecode = "";
        switch (type)
        {
            case DeviceType.JiaoFeiJi:
                typecode = "01";
                break;
            case DeviceType.FaPiaoDaYinJi:
                typecode = "03";
                break;
            case DeviceType.YeWuJi:
                typecode = "02";
                break;
            case DeviceType.SheXiangTou:
                typecode = "04";
                break;
            case DeviceType.YuShouLiZhongDuan:
                typecode = "06";
                break;
            case DeviceType.WangShangGuoWangYunZhongDuan:
                typecode = "17";
                break;

        }
        return typecode;
    }


    /// <summary>
    /// 获取预制体资源路径。
    /// </summary>
    /// <param name="gameObject"></param>
    /// <returns></returns>
    public static string GetPrefabAssetPath(GameObject gameObject)
    {
#if UNITY_EDITOR
        // Project中的Prefab是Asset不是Instance
        if (UnityEditor.PrefabUtility.IsPartOfPrefabAsset(gameObject))
        {
            DirectoryInfo path = new DirectoryInfo(UnityEditor.AssetDatabase.GetAssetPath(gameObject));
            // 预制体资源就是自身
            return path.Name.Replace(".prefab", "");
        }

        // Scene中的Prefab Instance是Instance不是Asset
        if (UnityEditor.PrefabUtility.IsPartOfPrefabInstance(gameObject))
        {
            // 获取预制体资源
            var prefabAsset = UnityEditor.PrefabUtility.GetCorrespondingObjectFromOriginalSource(gameObject);
            DirectoryInfo path = new DirectoryInfo(UnityEditor.AssetDatabase.GetAssetPath(prefabAsset));
            return path.Name.Replace(".prefab", "");
        }

#endif

        // 不是预制体
        return null;
    }

    /// <summary>
    /// Creates the file.创建文本的方法
    /// </summary>
    /// <param name="_filePath">File path. 文件的路径</param>
    /// <param name="_data">Data. 文件的内容</param>
    public static void CreateFile(string _filePath, string _data)
    {
        StreamWriter sw;
        DirectoryInfo fileinfo=new DirectoryInfo(_filePath);
        if (!Directory.Exists(fileinfo.Parent.FullName))
        {
            Directory.CreateDirectory(fileinfo.Parent.FullName);
        }
        FileInfo fi = new FileInfo(_filePath);
        //创建并覆盖文件
        sw = fi.CreateText();
        sw.WriteLine(_data);//以行的形式写入
        //sw .Write (_data);//首位衔接的方式写入
        sw.Close();//关闭流
        sw.Dispose();//销毁流
    }

}
[Serializable]
public struct DeviceData { 

    public DeviceInfo[] devices;
}

[Serializable]
public struct DeviceInfo {
    /// <summary>
    /// 营业厅代码
    /// </summary>
    public string hallCode;
    /// <summary>
    /// 设备名称
    /// </summary>
    public string deviceName;
    /// <summary>
    /// 设备类型
    /// </summary>
    public string deviceType;
    /// <summary>
    /// 设备小类
    /// </summary>
    public string deviceSubType;
    /// <summary>
    /// 楼层索引
    /// </summary>
    public string floor;
    /// <summary>
    /// 设备坐标X
    /// </summary>
    public string deviceX;
    /// <summary>
    /// 设备坐标Y
    /// </summary>
    public string deviceY;
    /// <summary>
    /// 设备坐标Z
    /// </summary>
    public string deviceZ;
    /// <summary>
    /// 设备角度
    /// </summary>
    public string deviceAngle;
    /// <summary>
    /// 设备序号
    /// </summary>
    public string deviceSeq;
}