using DG.Tweening;
using Newtonsoft.Json;
using System;
using System.Collections;
using System.Collections.Generic;
using System.Globalization;
using System.IO;
using System.Linq;
using System.Net.NetworkInformation;
using System.Net.Sockets;
using System.Runtime.InteropServices;
using System.Text;
using System.Threading.Tasks;
using UnityEngine;
using UnityEngine.Networking;
using UnityEngine.UI;

namespace Assets.Scripts
{
    
    public static class Utils
    {
        /*获取ip*/
        public enum ADDRESSFAM
        {
            IPv4, IPv6
        }

        /// <summary>
        /// 获取本机IP
        /// </summary>
        /// <param name="Addfam">要获取的IP类型</param>
        /// <returns></returns>
        public static string GetIP(ADDRESSFAM Addfam)
        {
            if (Addfam == ADDRESSFAM.IPv6 && !Socket.OSSupportsIPv6)
            {
                return null;
            }

            string output = "";

            foreach (NetworkInterface item in NetworkInterface.GetAllNetworkInterfaces())
            {
#if UNITY_EDITOR_WIN || UNITY_STANDALONE_WIN
                NetworkInterfaceType _type1 = NetworkInterfaceType.Wireless80211;
                NetworkInterfaceType _type2 = NetworkInterfaceType.Ethernet;

                if ((item.NetworkInterfaceType == _type1 || item.NetworkInterfaceType == _type2) && item.OperationalStatus == OperationalStatus.Up)
#endif
                {
                    foreach (UnicastIPAddressInformation ip in item.GetIPProperties().UnicastAddresses)
                    {
                        //IPv4
                        if (Addfam == ADDRESSFAM.IPv4)
                        {
                            if (ip.Address.AddressFamily == AddressFamily.InterNetwork)
                            {
                                output = ip.Address.ToString();
                                //Debug.Log("IP:" + output);
                            }
                        }

                        //IPv6
                        else if (Addfam == ADDRESSFAM.IPv6)
                        {
                            if (ip.Address.AddressFamily == AddressFamily.InterNetworkV6)
                            {
                                output = ip.Address.ToString();
                            }
                        }
                    }
                }
            }
            return output;
        }
        /*获取ip*/
        /*显示简略提示，需要拖Toast的预制件，且保证其他组件名字不是Toast,ToastContainer*/
        public static void showToast(GameObject game,string text,int duration = 1) 
        {
            var parent = Utils.FindUpParent(game.transform);
            var toast = parent.Find("ToastContainer");
            if (toast == null) 
            {
                var newToast = MonoBehaviour.Instantiate(Resources.Load<GameObject>("UI/Prefab/ToastContainer"));
                newToast.name = "ToastContainer";
                newToast.GetComponent<RectTransform>().position = new Vector3(Screen.width / 2, Screen.height / 2, 0);
                newToast.transform.parent = parent;
                toast = newToast.transform;
            }
            toast.GetComponent<Toast>().showToast(JsonConvert.SerializeObject(new
            {
                text,
                duration
            }));
        }
        /*显示简略提示，需要拖Toast的预制件，且保证其他组件名字不是Toast,ToastContainer*/

        /*删除父亲节点下的所有孩子*/
        static public void DestroyChildren(this Transform t)
        {
            bool isPlaying = Application.isPlaying;

            while (t.childCount != 0)
            {
                Transform child = t.GetChild(0);

                if (isPlaying)
                {
                    child.SetParent(null);
                    UnityEngine.Object.Destroy(child.gameObject);
                }
                else UnityEngine.Object.DestroyImmediate(child.gameObject);
            }
        }
        /*删除父亲节点下的所有孩子*/

        /*显示网络图片*/
        public delegate Coroutine StartCoroutine(IEnumerator routine);
        public static void DisplayImage(StartCoroutine startCoroutine,RawImage img, string url) 
        {
            startCoroutine(DownloadImage(img, url));
        }
        static IEnumerator DownloadImage(RawImage img,string MediaUrl)
        {
            UnityWebRequest request = UnityWebRequestTexture.GetTexture(MediaUrl);
            yield return request.SendWebRequest();
            if (request.isNetworkError || request.isHttpError)
                Debug.Log(request.error);
            else
                img.texture = ((DownloadHandlerTexture)request.downloadHandler).texture;
        }
        /*显示网络图片*/

        /*获取最顶层对象*/
        public static Transform FindUpParent(Transform zi)
        {
            if (zi.parent == null)
                return zi;
            else
                return FindUpParent(zi.parent);
        }
        /*获取最顶层对象*/



        public static Color HexToColor(string hex)
        {
            byte r = byte.Parse(hex.Substring(0, 2), NumberStyles.HexNumber);
            byte g = byte.Parse(hex.Substring(2, 2), NumberStyles.HexNumber);
            byte b = byte.Parse(hex.Substring(4, 2), NumberStyles.HexNumber);
            return new Color32(r, g, b, byte.MaxValue);
        }
        public static Color HexToColorHtml(string hex)
        {
            ColorUtility.TryParseHtmlString(hex, out Color c);
            return c;
        }
        
        /// <summary>
        /// Generate random digit code
        /// </summary>
        /// <param name="length">Length</param>
        /// <returns>Result string</returns>
        public static string GenerateRandomDigitCode(int length)
        {
            var random = new System.Random();
            string str = string.Empty;
            for (int i = 0; i < length; i++)
                str = String.Concat(str, random.Next(10).ToString());
            return str;
        }

        /*文件转精灵*/
        public static Sprite PngToSprite(string fullPath, int x, int y)
        {
            using (FileStream fs = new FileStream(fullPath, FileMode.Open, FileAccess.Read)) //自动双清
            {
                fs.Seek(0, SeekOrigin.Begin);            //设定当前流的位置
                byte[] bytes = new byte[fs.Length];      //创建文件长度缓冲区
                fs.Read(bytes, 0, (int)fs.Length);      //读取文件
                Texture2D texture = new Texture2D(x, y); //创建Texture
                texture.LoadImage(bytes);
                return Sprite.Create(texture, new Rect(0, 0, texture.width, texture.height), Vector2.one / 2);
            }
        }
        /*文件转精灵*/
        /*打开文件*/
        public delegate void OpenFileCallBack(string path);
        public static void OpenFile(OpenFileCallBack callBack,string filter = null)
        {
            OpenFileName ofn = new OpenFileName();

            ofn.structSize = Marshal.SizeOf(ofn);
            
            ofn.filter = "Image Files(*.jpg;*.jpeg;*.png;*.bmp)\0*.jpg;*.png;*.jpeg;*.bmp\0";
            if (filter != null) ofn.filter = filter;
            ofn.file = new string(new char[256]);

            ofn.maxFile = ofn.file.Length;

            ofn.fileTitle = new string(new char[64]);

            ofn.maxFileTitle = ofn.fileTitle.Length;

            ofn.initialDir = UnityEngine.Application.dataPath;//默认路径

            ofn.title = "Open Project";

            ofn.defExt = "JPG";//显示文件的类型
                               //注意 一下项目不一定要全选 但是0x00000008项不要缺少
            ofn.flags = 0x00080000 | 0x00001000 | 0x00000800 | 0x00000200 | 0x00000008;//OFN_EXPLORER|OFN_FILEMUSTEXIST|OFN_PATHMUSTEXIST| OFN_ALLOWMULTISELECT|OFN_NOCHANGEDIR


            if (Win32.GetOpenFileName(ofn))
            {
                callBack(ofn.file);
            }
        }
        /*打开文件*/
    }
}