using System;
using System.Text;
using HDL_ON.DAL.Net;
using HDL_ON.Entity;
using HDL_ON.UI;
using Shared;
using Shared.Net;

namespace HDL_ON.DAL
{
    public static class CommonPage
    {

        public static bool IsRemote;
        public static Action RefreshAir;
        public static string FindGatewayChilrenIPAddress = new NetWiFi ().BroadcastIpAddress.ToString ();
        private static string ip = "0.0.0.0";
        public static System.Net.IPEndPoint EndPoint {
            get
            {
                try
                {
                    return new System.Net.IPEndPoint(System.Net.IPAddress.Parse(new NetWiFi().BroadcastIpAddress.ToString()), 6000);
                }
                catch
                {
                    //防止异常导致程序退出
                    return new System.Net.IPEndPoint(System.Net.IPAddress.Parse("127.0.0.1"), 6000);
                }
            }
        }

        ///保存设备备注才用gb2312，其他情况用utf8
        public static Encoding MyEncodingUTF8 = Encoding.UTF8;//Get
        public static Encoding MyEncodingGB2312 {
            get
            {
                try
                {
                    if (System.Globalization.CultureInfo.InstalledUICulture.EnglishName.ToUpper().StartsWith("CZECH"))
                    {
                        return Encoding.GetEncoding(1250);
                    }
                    else
                    {
                        return Encoding.GetEncoding("gb2312");
                    }
                }
                catch (Exception ex)
                {
                    MainPage.Log("MyEncodingGB2312 Erorr : " + ex.Message);
                    return Encoding.GetEncoding("gb2312");
                }
            }
        }
        static bool isHttpListenerStart;
        public static DateTime dt;

        //public static byte currentSubnetID = 0;
        public static void InitHttpListener ()
        {
            if (isHttpListenerStart) {
                return;
            }
            HttpListener.Start (new NetWiFi ().IpAddress, 6001);
            HttpListener.EventHandler -= httpListener_EventHandler;
            HttpListener.EventHandler += httpListener_EventHandler;
            isHttpListenerStart = true;
        }
        public static void CloseHttpListener ()
        {
            //isHttpListenerStart = false;
            //return;
            if (!isHttpListenerStart)
                return;
            HttpListener.Close ();
            isHttpListenerStart = false;
        }
        /// <summary>
        /// 初始化处理socket接收的数据 
        /// </summary>
        public static void InitReceiveEvent ()
        {
            Packet.ReceiveEvent += Packet_ReceiveEvent;
        }

        public static float floatChange (byte b1, byte b2, byte b3, byte b4)
        {
            byte[] byteTemp = { b4, b3, b2, b1 };
            return BitConverter.ToSingle (byteTemp, 0);
        }


        static void Packet_ReceiveEvent(byte subnetID, byte deviceID, Command command, byte[] receiveBytes, string revGatewayIP)
        {
            try
            {
                switch (command)
                {
                    case Command.SetSingleLightACK:
                        foreach (var function in DB_ResidenceData.residenceData.functions)
                        {
                            if (function.GetBusId() == subnetID + "_" + deviceID + "_" + receiveBytes[0])
                            {
                                if (function.funcType == FunctionType.Light)
                                {
                                    var light = function as Light;
                                    if (receiveBytes[2] == 0 && light.state == 0)
                                    {
                                        break;
                                    }
                                    if (receiveBytes[2] == 100 && light.state == 1)
                                    {
                                        break;
                                    }
                                    if (function.bus_DeviceType == "Relay")
                                    {
                                        var relay = function as Light;
                                        relay.state = receiveBytes[2] == 0 ? 0 : 1;
                                        HomePage.UpdataLightView(relay);
                                    }
                                    else if (function.bus_DeviceType == "Dimmer")
                                    {
                                        var dimmer = function as Dimmer;
                                        dimmer.state = receiveBytes[2] == 0 ? 0 : 1;
                                        dimmer.brightness = receiveBytes[1];
                                        if (receiveBytes[2] > 0)
                                            dimmer.lastState = Language.StringByID(StringId.Brightness) + " : " + receiveBytes[2] + "%";
                                        HomePage.UpdataLightView(dimmer);
                                    }
                                }
                            }
                        }
                        break;
                }
            }
            catch (Exception ex) {
                MainPage.Log($"Bus Rev Erorr : {ex.Message}");
            }
        }
        /// <summary>
        /// byte 变字符串
        /// </summary>
        /// <returns>The to hex16.</returns>
        /// <param name="b">The blue component.</param>
        public static string byteToHex16 (byte b)
        {
            string s = Convert.ToString (b, 16).ToUpper (); 
            if (s.Length <= 1) {
                return "0" + s;
            }
            return s;//
        }

        static void httpListener_EventHandler (System.Collections.Specialized.NameValueCollection nameValueCollection, System.IO.Stream outputStream, System.IO.Stream inputStream)
        {
            try {
                if (nameValueCollection ["Command"] != null && nameValueCollection ["Command"].StartsWith ("Get")) {
                    string tempFileName = nameValueCollection ["Command"].Replace ("Get", "");
                    if ("AllFiles" == tempFileName) {
                        byte [] bytes = System.Text.Encoding.UTF8.GetBytes (Newtonsoft.Json.JsonConvert.SerializeObject (FileUtils.ReadFiles ()));
                        outputStream.Write (bytes, 0, bytes.Length);
                        outputStream.Flush ();
                    } else {
                        byte [] bytes;
                        if (!FileUtils.Exists (tempFileName)) {
                            bytes = System.Text.Encoding.UTF8.GetBytes ("文件名不存在！");
                            outputStream.Write (bytes, 0, bytes.Length);
                            outputStream.Flush ();
                            return;
                        }
                        System.IO.FileStream fs = new System.IO.FileStream (Application.RootPath + tempFileName, System.IO.FileMode.Open);
                        bytes = new byte [fs.Length];
                        fs.Read (bytes, 0, bytes.Length);
                        fs.Close ();
                        outputStream.Write (bytes, 0, bytes.Length);
                        outputStream.Flush ();
                    }
                } else if (nameValueCollection ["Command"].StartsWith ("Upload")) {
                    string path = Application.RootPath + nameValueCollection ["Command"].Replace ("Upload", "");
                    string dePath = nameValueCollection ["Command"].Replace ("Upload", "");
                } else {
                    byte [] bytes = System.Text.Encoding.UTF8.GetBytes ("请求命令无效！");
                    outputStream.Write (bytes, 0, bytes.Length);
                    outputStream.Flush ();
                }
            } catch (Exception ex) {
                MainPage.Log ("httpListener_EventHandler" + ex.ToString ());
            }
        }

        /// <summary>
        /// 监听请求的Http端口
        /// </summary>
        public static int Port = 5555;
        static void httpListener_EventHandler (string rawUrl, System.IO.Stream outputStream, System.IO.Stream inputStream)
        {
            foreach (var musicInfo in MusicInfo.MusicInfoList) {
                if ("audio-item-" + musicInfo.ID == rawUrl.TrimStart ('/')) {
                    var file = new System.IO.FileStream (musicInfo.Data, System.IO.FileMode.Open, System.IO.FileAccess.Read);
                    byte [] bytes = new byte [1024];
                    try {
                        while (file.CanRead) {
                            int len = file.Read (bytes, 0, bytes.Length);
                            if (len == 0) {
                                break;
                            }
                            outputStream.Write (bytes, 0, len);
                        }
                    } catch { }
                    file.Close ();
                    break;
                }
            }
        }
    }
}