using System;
using System.Collections.Generic;
using System.Data;
using System.IO;
using System.Linq;
using System.Net;
using System.Reflection;
using System.Text;
using System.Threading.Tasks;

namespace NFine.Data.Extensions
{
      public class PublicMethod
    {
        /// <summary>
        /// 获取单据号
        /// </summary>
        /// <param name="tbName"></param>
        /// <param name="colName"></param>
        /// <param name="Pre"></param>
        /// <param name="numLen"></param>
        /// <returns></returns>
        public static string GetSerialCode( string tbName, string colName, string Pre, int numLen)
        {
            string sql = "EXEC Addins_GetSerialCode '0001','{0}','{1}','{2}',{3}";
            sql = string.Format(sql, new object[] { tbName, colName, Pre, numLen });
            return SqlHelper.ExecuteScalar(sql).ToString();
        }

          ///<summary>
          ///copy相同字段的数据
        public static D Mapper<D, S>(S s)
        {

            D d = Activator.CreateInstance<D>();

            try
            {

                var Types = s.GetType();//获得类型

                var Typed = typeof(D);

                foreach (PropertyInfo sp in Types.GetProperties())//获得类型的属性字段
                {

                    foreach (PropertyInfo dp in Typed.GetProperties())
                    {

                        if (dp.Name == sp.Name)//判断属性名是否相同
                        {

                            dp.SetValue(d, sp.GetValue(s, null), null);//获得s对象属性的值复制给d对象的属性

                        }

                    }

                }

            }

            catch (Exception ex)
            {

                throw ex;

            }

            return d;

        }

        /// <summary>
        /// Get接口查询方法
        /// </summary>
        /// <param name="apiName"></param>
        /// <param name="url"></param>
        /// <returns></returns>
        public static string QueryPostparamsService(string apiName, string url)
        {
            string result = "";
            HttpWebRequest req = (HttpWebRequest)WebRequest.Create(url);
            req.Method = "Get";
            //req.Headers.Add()
            try
            {
                HttpWebResponse resp = (HttpWebResponse)req.GetResponse();
                Stream stream = resp.GetResponseStream();
                //获取内容
                using (StreamReader reader = new StreamReader(stream, Encoding.UTF8))
                {
                    result = reader.ReadToEnd();
                }
            }
            catch (Exception ex)
            {
                throw new Exception(apiName + "调用失败," + ex.Message);
            }
            return result;
        }
        /// <summary>
        /// 
        /// </summary>
        /// <param name="apiName"></param>
        /// <param name="url"></param>
        /// <param name="body"></param>
        /// <returns></returns>
        public static string HttpPost(string apiName, string url, string body)
        {
            try
            {
                Encoding encoding = Encoding.UTF8;
                System.Net.HttpWebRequest request = (System.Net.HttpWebRequest)System.Net.WebRequest.Create(url);
                request.Method = "POST";
                if (url.StartsWith("https://", StringComparison.InvariantCultureIgnoreCase))
                {
                    request.ProtocolVersion = HttpVersion.Version11;
                    request.ServerCertificateValidationCallback = (a, b, c, d) => true;
                }
                //log.Debug(url + Environment.NewLine + body);
                request.Accept = "application/json, text/javascript, */*"; //"text/html, application/xhtml+xml, */*";
                request.ContentType = "application/json; charset=utf-8";
                // request.ContentType = "text/html, application/xhtml+xml";
                byte[] buffer = encoding.GetBytes(body);
                request.ContentLength = buffer.Length;
                request.GetRequestStream().Write(buffer, 0, buffer.Length);
                System.Net.HttpWebResponse response = (System.Net.HttpWebResponse)request.GetResponse();
                using (System.IO.StreamReader reader = new System.IO.StreamReader(response.GetResponseStream(), encoding))
                {
                    return reader.ReadToEnd();
                }
            }
            catch (System.Net.WebException ex)
            {
                throw new Exception(apiName + "调用失败," + ex.Message);
            }
        }

        /// <summary>
        /// post接口调用方法
        /// </summary>
        /// <param name="apiName"></param>
        /// <param name="url"></param>
        /// <param name="body"></param>
        /// <param name="webHeader"></param>
        /// <returns></returns>
        public static string HttpPost(string apiName, string url, string body, WebHeaderCollection webHeader = null)
        {
            ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls12;
            try
            {
                Encoding encoding = Encoding.UTF8;
                System.Net.HttpWebRequest request = (System.Net.HttpWebRequest)System.Net.WebRequest.Create(url);
                request.Method = "POST";
                if (url.StartsWith("https://", StringComparison.InvariantCultureIgnoreCase))
                {
                    request.ProtocolVersion = HttpVersion.Version11;
                    request.ServerCertificateValidationCallback = (a, b, c, d) => true;
                }
                request.Accept = "application/json, text/javascript, */*";
                request.ContentType = "application/json; charset=utf-8";
                var timeout = Convert.ToInt32(System.Configuration.ConfigurationManager.AppSettings["TimeOut"]);//超时时间
                if (timeout > 0)
                    request.Timeout = timeout;
                if (webHeader != null)
                    request.Headers = webHeader;

                byte[] buffer = encoding.GetBytes(body);
                request.ContentLength = buffer.Length;
                request.GetRequestStream().Write(buffer, 0, buffer.Length);
                System.Net.HttpWebResponse response = (System.Net.HttpWebResponse)request.GetResponse();
                using (System.IO.StreamReader reader = new System.IO.StreamReader(response.GetResponseStream(), encoding))
                {
                    return reader.ReadToEnd();
                }
            }
            catch (System.Net.WebException ex)
            {
                
                throw new Exception(apiName + "调用失败," + ex.Message);
            }
        }


        /// <summary>
        /// 获取ID
        /// </summary>
        /// <returns></returns>
        public static string GetNewid()
        {
            string sql = "select newid() AS ID";
             return SqlHelper.ExecuteScalar(sql).ToString();

        }

    }
}