using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Net;
using System.Text;

namespace Shared.Common
{
    public class CommonPage : UIDrawerLayout
    {
        static CommonPage commonPage;
        public static CommonPage Instance
        {
            get
            {
                if (commonPage == null)
                {
                    commonPage = new CommonPage { };
                }
                return commonPage;
            }
        }

        /// <summary>
        ///  显示加载界面
        /// </summary>
        public static Loading Loading = new Loading();
        public void Show()
        {
            Application.DesignWidth = 1080;
            Application.DesignHeight = 1920;
            Application.MainPage.AddChidren(this);
            AddChidren(Phone.UserView.HomePage.Instance);
            Application.MainPage.AddChidren(Loading);

            Phone.UserView.HomePage.Instance.InitPage();
        }

        //public static string RequestHttpsHost = "https://global.hdlcontrol.com/HangZhouHdlCloudApi";
        public static string RequestHttpsHost = "https://global.hdlcontrol.com/ProposedProductionApi";
        /// <summary>
        /// 版本号
        /// </summary>
        public static string CodeIDString = "1.1.0120072004";
        /// <summary>
        /// 注册来源(0:HDL On 1:Zigbee)
        /// </summary>
        public static int RegisterSoruceFromZIGBEE = 0;
        public static string Source = "ZIGBEE";
        /// <summary>
        /// Company 用户公司用于公司App定制版  默认0
        /// </summary>
        public static int Company = 0;
        /// <summary>
        /// 海外 注册时API调用和国内区分
        ///</summary>
        public static int CompanyForINTERNETION = 4;
        /// <summary>
        /// 请求版本号
        /// </summary>
        public static string RequestVersion = "2.0";
        /// <summary>
        /// 左边距离屏幕的宽度--58
        /// </summary>
        public static int XLeft = 58;
        /// <summary>
        /// 使用的语言
        /// </summary>
        public static string ZigBeeLanguage
        {
            get
            {
                return Language.CurrentLanguage;
            }
        }
        /// <summary>
        /// 默认手机区号为86中国大陆
        /// </summary>
        public static string PhoneZoneStr = "86";
        /// <summary>
        /// APP宽度 -- 1080
        /// </summary>
        public static int AppRealWidth = 1080;

        /// <summary>
        /// 用于中国大陆验证手机号正则表达式
        /// </summary>
        public static string PhoneRegexStr = "^[1][0-9]{10}$";
        /// <summary>
        /// 用于验证非中国大陆手机号正则表达式
        /// </summary>
        public static string PhoneForForeignRegexStr = "^[0-9]*$";
        /// <summary>
        /// 用于验证邮箱正则表达式
        /// </summary>
        public static string EmailRegexStr = "^\\s*([A-Za-z0-9_-]+(\\.\\w+)*@(\\w+\\.)+\\w{2,5})\\s*$";
        /// <summary>
        /// 安卓的系统返回按键能否按下(比如在备份还原时,不能按下返回键)
        /// </summary>
        public static bool BackKeyCanClick = true;

        /// <summary>
        /// 请求服务器方法
        /// 指定一个Url,和请求方法，数据，Cookie，得到响应的数据
        /// </summary>
        /// <param name="requestUrl">请求Url</param>
        /// <param name="byteData">请求的的数据</param>
        /// <param name="timeout">超时,默认10秒</param>
        /// <returns>得到响应的数据</returns>
        public ResponseEntity.ResponsePack RequestHttpsZigbeeAsync(string requestUrl, byte[] byteData, int timeout = 10)
        {
            string result = this.RequestHttpsZigbeeResultAsync(requestUrl, byteData, timeout);
            if (result != null)
            {
                try
                {
                    var data = Newtonsoft.Json.JsonConvert.DeserializeObject<Shared.Common.ResponseEntity.ResponsePack>(result);
                    return data;
                }
                catch (Exception ex)
                {
                    System.Console.WriteLine(ex.Message);
                }
            }
            return null;
        }

        /// <summary>
        /// 请求服务器方法
        /// 指定一个Url,和请求方法，数据，Cookie，得到响应的数据
        /// </summary>
        /// <param name="requestUrl">请求Url</param>
        /// <param name="byteData">请求的的数据</param>
        /// <param name="timeout">超时,默认10秒</param>
        /// <returns>得到响应的数据</returns>
        public string RequestHttpsZigbeeResultAsync(string requestUrl, byte[] byteData, int timeout = 10)
        {
            var result = RequestHttpsZigbeeBytesResultAsync(requestUrl, byteData, "POST", timeout);
            if (result != null)
            {
                return Encoding.UTF8.GetString(result);
            }
            return null;
        }

        /// <summary>
        /// 请求服务器方法
        /// 指定一个Url,和请求方法，数据，Cookie，得到响应的数据
        /// </summary>
        /// <param name="requestUrl">请求Url</param>
        /// <param name="byteData">请求的的数据</param>
        /// <param name="requestMethod">POST 或者 GET 等等</param>
        /// <param name="timeout">超时,默认10秒</param>
        /// <returns>得到响应的数据</returns>
        public byte[] RequestHttpsZigbeeBytesResultAsync(string requestUrl, byte[] byteData, string requestMethod = "POST", int timeout = 10)
        {
            //请求Url的完成路径
            var fullUrl = $"{RequestHttpsHost}/{requestUrl}";
            return this.DoRequestZigbeeHttpsInterface(fullUrl, byteData, Config.Instance.Token, requestMethod, timeout);
        }

        /// <summary>
        /// <pra>请求服务器方法,指定一个Url,和请求方法，数据，Cookie，得到响应的数据</pra>
        /// <pra>注意!!此方法仅限【拥有管理员权限的成员】调用</pra>
        /// </summary>
        /// <param name="requestUrl">请求Url</param>
        /// <param name="byteData">请求的的数据</param>
        /// <param name="requestMethod">POST 或者 GET 等等</param>
        /// <param name="timeout">超时,默认10秒</param>
        /// <returns>得到响应的数据</returns>
        public byte[] RequestZigbeeHttpsByAdmin(string requestUrl, byte[] byteData, string requestMethod = "POST", int timeout = 10)
        {
            //请求Url的完成路径
            var fullUrl = $"{Config.Instance.AdminRequestBaseUrl}/{requestUrl}";
            return this.DoRequestZigbeeHttpsInterface(fullUrl, byteData, Config.Instance.AdminRequestToken, requestMethod, timeout);
        }

        /// <summary>
        /// 请求服务器方法
        /// 指定一个Url,和请求方法，数据，Cookie，得到响应的数据
        /// </summary>
        /// <param name="requestFullUrl">请求Url的完成路径</param>
        /// <param name="byteData">请求的的数据</param>
        /// <param name="token">token</param>
        /// <param name="requestMethod">POST 或者 GET 等等</param>
        /// <param name="timeout">超时,默认10秒</param>
        /// <returns>得到响应的数据</returns>
        public byte[] DoRequestZigbeeHttpsInterface(string requestFullUrl, byte[] byteData, string token, string requestMethod = "POST", int timeout = 10)
        {
            try
            {
                //初始化新的webRequst
                //1． 创建httpWebRequest对象
                HttpWebRequest webRequest = (HttpWebRequest)WebRequest.Create(new Uri(requestFullUrl));

                //2． 初始化HttpWebRequest对象
                webRequest.Method = requestMethod;
                webRequest.Timeout = timeout * 1000;
                //取消使用代理访问
                webRequest.Proxy = null;
                if (token != null)
                {
                    //对应微信网址
                    webRequest.Headers.Add(HttpRequestHeader.Authorization, token);
                }
                if (requestMethod == "GET")
                {
                    //webRequest.ContentType = "text/html";
                    webRequest.ContentType = "application/json";
                }
                else
                {
                    webRequest.ContentType = "application/json";
                    webRequest.ContentLength = byteData.Length;

                    //3． 附加要POST给服务器的数据到HttpWebRequest对象(附加POST数据的过程比较特殊，它并没有提供一个属性给用户存取，需要写入HttpWebRequest对象提供的一个stream里面。)
                    var newStream = webRequest.GetRequestStream();//创建一个Stream,赋值是写入HttpWebRequest对象提供的一个stream里面
                    newStream.Write(byteData, 0, byteData.Length);
                    newStream.Flush();
                    newStream.Close();
                }

                //4． 读取服务器的返回信息
                var response = (HttpWebResponse)webRequest.GetResponse();
                using (var stream = response.GetResponseStream())
                {
                    if (stream == null)
                    {
                        return null;
                    }
                    var ms = new MemoryStream();
                    var bytes = new byte[1024];
                    var len = int.MaxValue;
                    while (stream.CanRead && 0 < len)
                    {
                        len = stream.Read(bytes, 0, bytes.Length);
                        ms.Write(bytes, 0, len);
                    }
                    return ms.ToArray();
                }
            }
            catch (WebException e)
            {
                if (e.Status == WebExceptionStatus.ConnectFailure//由有网络切换到无网络时触发
                    || e.Status == WebExceptionStatus.Timeout//超时
                    || e.Status == WebExceptionStatus.NameResolutionFailure)//本身就是无网络时启动时触发
                {
                    Phone.UserCenter.HdlWifiLogic.Current.CanAccessHttp = false;
                }
                return null;
            }
            catch (Exception e)
            {
                return null;
            }
        }

        /// <summary>
        /// 服务器获取数据失败提示
        /// </summary>
        public void FailureToServer()
        {
            Application.RunOnMainThread(() =>
            {
                var alert = new Alert(Language.StringByID(R.MyInternationalizationString.TIP), Language.StringByID(R.MyInternationalizationString.RequestServerFailed), Language.StringByID(R.MyInternationalizationString.Confrim));
                alert.Show();
            });
        }
        /// <summary>
        /// 显示错误提示
        /// </summary>
        /// <param name="errorStringID">Error string identifier.</param>
        public void ShowErrorInfoAlert(int errorStringID)
        {
            Application.RunOnMainThread(() =>
            {
                var alert = new Alert(Language.StringByID(R.MyInternationalizationString.TIP), Language.StringByID(errorStringID), Language.StringByID(R.MyInternationalizationString.Confrim));
                alert.Show();
            });
        }
        /// <summary>
        /// Get服务器方法1
        /// </summary>
        public string GetMethod(string requestUrl)
        {
            string requestMethod = "get";
            string urlHead = $"{RequestHttpsHost}/FeerView/";
            string url = urlHead + requestUrl;
            HttpWebRequest httpWebRequestObj = WebRequest.CreateHttp(url);
            httpWebRequestObj.Method = requestMethod;
            using (HttpWebResponse httpWebResponseObj = httpWebRequestObj.GetResponse() as HttpWebResponse)
            {
                if (httpWebResponseObj == null)
                {
                    return null;
                }
                else
                {
                    Stream ResponseStream = httpWebResponseObj.GetResponseStream();
                    using (StreamReader Sr = new StreamReader(ResponseStream))
                    {
                        string responseString = Sr.ReadToEnd();
                        return responseString;
                    }
                }
            }
        }

        /// <summary>
        /// 登出
        /// </summary>
        public void SingOut()
        {
            try
            {
                Application.RunOnMainThread(() =>
                {
                    //设定一个时间
                    Config.Instance.LoginDateTime = new DateTime(1970, 1, 1);
                    Config.Instance.Save();
                    CommonPage.Instance.RemoveAll();
                    CommonPage.Instance.Show();
                    var login = new Phone.Login.AccountLoginForm();
                    CommonPage.Instance.AddChidren(login);
                    login.ShowForm();
                });
            }
            catch { }
        }

        /// <summary>
        /// 退出登录时调用，清除推送数据
        /// </summary>
        public void SignOutClearData()
        {
            try
            {
                System.Threading.Tasks.Task.Run(() =>
                {
                    using (var client = new System.Net.Http.HttpClient())
                    {
                        client.DefaultRequestHeaders.Add("ContentType", "application/json");
                        client.DefaultRequestHeaders.Add("Authorization", Shared.Common.Config.Instance.Token);
                        var responseString = client.GetStringAsync($"{CommonPage.RequestHttpsHost}/ZigbeeUsers/SignOut");
                    }
                });
            }
            catch { }
        }

        /// <summary>
        /// 登录成功后上报设备id等相关信息给后端
        /// </summary>
        /// <returns>返回状态码</returns>
        public string PushRegID()
        {
            try
            {
                string deviceAlias;
                string deviceType;
#if iOS
                deviceAlias = UIKit.UIDevice.CurrentDevice.Name;
                deviceType = "iphone";
#elif Android
                deviceAlias = Android.OS.Build.Manufacturer;
                deviceType = "android";
#endif
                var RegIDObj = new SendDataToServer.SignZigbeeNeedPushRegIDObj()
                {
                    RegID = Shared.Common.Config.Instance.RegistrationID,
                    DeviceAlias = deviceAlias,
                    DeviceType = deviceType
                };
                var requestJson = Newtonsoft.Json.JsonConvert.SerializeObject(RegIDObj);
                var reverObj = CommonPage.Instance.RequestHttpsZigbeeAsync("ZigbeeUsers/SignZigbeeNeedPushRegID", System.Text.Encoding.UTF8.GetBytes(requestJson));
                if (reverObj == null)
                {
                    return null;
                }
                return reverObj.StateCode;
            }
            catch
            {
                return null;
            }
        }
    }
}