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

namespace KdGoldAPI
{
    public class KdApiCreateOrderDemo
    {
        //电商ID
        private string EBusinessID = "1237100";
        //电商加密私钥，快递鸟提供，注意保管，不要泄漏
        private string AppKey = "518a73d8-1f7f-441a-b644-33e77b49d846";
        //请求url
        private string ReqURL = "http://api.kdniao.cc/Ebusiness/EbusinessOrderHandle.aspx";

        /// <summary>
        /// Json方式 在线下单
        /// </summary>
        /// <returns></returns>
        public string orderOnlineByJson()
        {
            string requestData = "{'LogisticsWeight':2.0," +
                                "'LogisticsVol':2.0," +
                                "'HQPOrderDesc':'尽快上门收件'," +
                                "'HQPPayType':1," +
                                "'IsNeedPay':2," +
                                "'Payment':121.0," +
                                "'OrderCode':'test_12345678905'," +
                                "'StartDate':'2015-05-13 21:20:53'," +
                                "'EndDate':'2015-05-14 21:20:53'," +
                                "'ShipperCode':'LB'," +
                                "'LogisticCode':'109932607391'," +
                                "'ToCompany':'华为科技'," +
                                "'ToName':'张三'," +
                                "'ToAddressArea':'深圳市南山区桂庙路555号'," +
                                "'ToTel':''," +
                                "'ToMobile':'13800000000'," +
                                "'OrderType':2," +
                                "'ToPostCode':'518128'," +
                                "'ToProvinceID':'广东省'," +
                                "'ToCityID':'深圳市'," +
                                "'ToExpAreaID':'南山区'," +
                                "'FromCompany':'小米科技'," +
                                "'FromName':'李四'," +
                                "'FromAddressArea':'深圳市福田区华强北路222号'," +
                                "'FromTel':'88888888'," +
                                "'FromMobile':''," +
                                "'FromPostCode':'529800'," +
                                "'FromProvinceID':'广东省'," +
                                "'FromCityID':'深圳市'," +
                                "'FromExpAreaID':'福田区'," +
                                "'Cost':21.0," +
                                "'OtherCost':2.0," +
                                "'Commoditys':" +
                                "[{" +
                                "'Goodsquantity':12," +
                                "'GoodsName':'手机屏幕'," +
                                "'GoodsCode':'kjyhu878787'," +
                                "'GoodsPrice':121.0," +
                                "}]}";

            Dictionary<string, string> param = new Dictionary<string, string>();
            param.Add("RequestData", HttpUtility.UrlEncode(requestData, Encoding.UTF8));
            param.Add("EBusinessID", EBusinessID);
            param.Add("RequestType", "1001");
            string dataSign = encrypt(requestData, AppKey, "UTF-8");
            param.Add("DataSign", HttpUtility.UrlEncode(dataSign, Encoding.UTF8));
            param.Add("DataType", "2");

            string result = sendPost(ReqURL, param);

            //根据公司业务处理返回的信息......

            return result;
        }

        /// <summary>
        /// XML方式 在线下单
        /// </summary>
        /// <returns></returns>
        public string orderOnlineByXml()
        {
            string requestData = "<?xml version=\"1.0\" encoding=\"utf-8\" ?>" +
                                "<Content>" +
                                "<LogisticsWeight>1.5</LogisticsWeight>" +
                                "<OrderCode>test_1234567896</OrderCode>" +
                                "<LogisticsVol>0.5</LogisticsVol>" +
                                "<HQPOrderDesc>测试在线下单接口 20150510</HQPOrderDesc>" +
                                "<HQPPayType>1</HQPPayType>" +
                                "<IsNeedPay>1</IsNeedPay>" +
                                "<Payment>1000</Payment>" +
                                "<OrderType>1</OrderType>" +
                                "<StartDate>2015-05-10 19:36:50</StartDate>" +
                                "<EndDate>2015-05-11 19:36:50</EndDate>" +
                                "<ShipperCode>LB</ShipperCode>" +
                                "<LogisticCode></LogisticCode>" +
                                "<ToName>张三</ToName>" +
                                "<ToAddressArea>深圳市南山区南新路2055号</ToAddressArea>" +
                                "<ToTel></ToTel>" +
                                "<ToMobile>13800000000</ToMobile>" +
                                "<ToPostCode></ToPostCode>" +
                                "<ToProvinceID>广东省</ToProvinceID>" +
                                "<ToCityID>深圳市</ToCityID>" +
                                "<ToExpAreaID>南山区</ToExpAreaID>" +
                                "<FromCompany>快递鸟科技</FromCompany>" +
                                "<FromName>李四</FromName>" +
                                "<FromAddressArea>深圳市福田区华强北路211号</FromAddressArea>" +
                                "<FromTel></FromTel>" +
                                "<FromMobile>13888888888</FromMobile>" +
                                "<FromPostCode></FromPostCode>" +
                                "<FromProvinceID>广东省</FromProvinceID>" +
                                "<FromCityID>深圳市</FromCityID>" +
                                "<FromExpAreaID>福田区</FromExpAreaID>" +
                                "<Cost>12</Cost>" +
                                "<OtherCost>1</OtherCost>" +
                                "<Commoditys>" +
                                "<Commodity>" +
                                "<GoodsName>惠普显示器</GoodsName>" +
                                "<GoodsCode>ABCD_123456789</GoodsCode>" +
                                "<Goodsquantity>2</Goodsquantity>" +
                                "<GoodsPrice>850</GoodsPrice>" +
                                "</Commodity>" +
                                "<Commodity>" +
                                "<GoodsName>神州笔记本</GoodsName>" +
                                "<GoodsCode>QWERT_456456</GoodsCode>" +
                                "<Goodsquantity>2</Goodsquantity>" +
                                "<GoodsPrice>4200</GoodsPrice>" +
                                "</Commodity>" +
                                "</Commoditys>" +
                                "</Content>";

            Dictionary<string, string> param = new Dictionary<string, string>();
            param.Add("RequestData", HttpUtility.UrlEncode(requestData, Encoding.UTF8));
            param.Add("EBusinessID", EBusinessID);
            param.Add("RequestType", "1001");
            string dataSign = encrypt(requestData, AppKey, "UTF-8");
            param.Add("DataSign", HttpUtility.UrlEncode(dataSign, Encoding.UTF8));
            param.Add("DataType", "1");

            string result = sendPost(ReqURL, param);

            //根据公司业务处理返回的信息......

            return result;
        }

        /// <summary>
        /// Post方式提交数据，返回网页的源代码
        /// </summary>
        /// <param name="url">发送请求的 URL</param>
        /// <param name="param">请求的参数集合</param>
        /// <returns>远程资源的响应结果</returns>
        private string sendPost(string url, Dictionary<string, string> param)
        {
            string result = "";
            StringBuilder postData = new StringBuilder();
            if (param != null && param.Count > 0)
            {
                foreach (var p in param)
                {
                    if (postData.Length > 0)
                    {
                        postData.Append("&");
                    }
                    postData.Append(p.Key);
                    postData.Append("=");
                    postData.Append(p.Value);
                }
            }
            byte[] byteData = Encoding.GetEncoding("UTF-8").GetBytes(postData.ToString());
            try
            {

                HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);
                request.ContentType = "application/x-www-form-urlencoded";
                request.Referer = url;
                request.Accept = "*/*";
                request.Timeout = 30 * 1000;
                request.UserAgent = "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 2.0.50727; .NET CLR 3.0.04506.648; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729)";
                request.Method = "POST";
                request.ContentLength = byteData.Length;
                Stream stream = request.GetRequestStream();
                stream.Write(byteData, 0, byteData.Length);
                stream.Flush();
                stream.Close();
                HttpWebResponse response = (HttpWebResponse)request.GetResponse();
                Stream backStream = response.GetResponseStream();
                StreamReader sr = new StreamReader(backStream, Encoding.GetEncoding("UTF-8"));
                result = sr.ReadToEnd();
                sr.Close();
                backStream.Close();
                response.Close();
                request.Abort();
            }
            catch (Exception ex)
            {
                result = ex.Message;
            }
            return result;
        }

        ///<summary>
        ///电商Sign签名
        ///</summary>
        ///<param name="content">内容</param>
        ///<param name="keyValue">Appkey</param>
        ///<param name="charset">URL编码 </param>
        ///<returns>DataSign签名</returns>
        private string encrypt(String content, String keyValue, String charset)
        {
            if (keyValue != null)
            {
                return base64(MD5(content + keyValue, charset), charset);
            }
            return base64(MD5(content, charset), charset);
        }

        ///<summary>
        /// 字符串MD5加密
        ///</summary>
        ///<param name="str">要加密的字符串</param>
        ///<param name="charset">编码方式</param>
        ///<returns>密文</returns>
        private string MD5(string str, string charset)
        {
            byte[] buffer = System.Text.Encoding.GetEncoding(charset).GetBytes(str);
            try
            {
                System.Security.Cryptography.MD5CryptoServiceProvider check;
                check = new System.Security.Cryptography.MD5CryptoServiceProvider();
                byte[] somme = check.ComputeHash(buffer);
                string ret = "";
                foreach (byte a in somme)
                {
                    if (a < 16)
                        ret += "0" + a.ToString("X");
                    else
                        ret += a.ToString("X");
                }
                return ret.ToLower();
            }
            catch
            {
                throw;
            }
        }

        /// <summary>
        /// base64编码
        /// </summary>
        /// <param name="str">内容</param>
        /// <param name="charset">编码方式</param>
        /// <returns></returns>
        private string base64(String str, String charset)
        {
            return Convert.ToBase64String(System.Text.Encoding.GetEncoding(charset).GetBytes(str));
        }
    }
}