using APIForCustomer.BE;
using System;
using System.Collections.Generic;
using System.Configuration;
using System.IO;
using System.Net;
using System.Reflection;
using System.Text;
using System.Xml;

namespace APIForCustomer.Utility
{
    public class RequestUtility
    {
        public static RequestEntity GenerateRequestEntity()
        {
            RequestEntity requestEntity = new RequestEntity();
            requestEntity.j_company = "j_company value";
            requestEntity.j_contact = "j_contact value";
            requestEntity.j_tel = "111";
            requestEntity.j_mobile = "112";
            requestEntity.j_country = "CN";
            requestEntity.j_province = "j_province value";
            requestEntity.j_city = "j_city value";
            requestEntity.j_post_code = "113";
            requestEntity.j_address = "j_address value";
            requestEntity.d_company = "d_company value";
            requestEntity.d_contact = "d_contact value";
            requestEntity.d_tel = "221";
            requestEntity.d_mobile = "222";
            requestEntity.d_country = "GB";
            requestEntity.d_province = "d_province value";
            requestEntity.d_city = "d_city value";
            requestEntity.d_post_code = "223";
            requestEntity.d_address = "d_address value";
            requestEntity.orderid = "YGC20141204F";
            requestEntity.express_type = "A1";
            requestEntity.parcel_quantity = "10";
            requestEntity.cargo_total_weight = "20";
            requestEntity.returnsign = "Y";

            DeclareInvoice declareInvoice = new DeclareInvoice();
            declareInvoice.name = "name";
            declareInvoice.ename = "ename";
            declareInvoice.hscode = "123";
            declareInvoice.count = "1";
            declareInvoice.unit = "PCE";
            declareInvoice.weight = "2";
            declareInvoice.amount = "3";
            requestEntity.DeclareInvoiceList.Add(declareInvoice);

            declareInvoice = new DeclareInvoice();
            declareInvoice.name = "name2";
            declareInvoice.ename = "ename2";
            declareInvoice.hscode = "112233";
            declareInvoice.count = "11";
            declareInvoice.unit = "PCE";
            declareInvoice.weight = "22";
            declareInvoice.amount = "33";
            requestEntity.DeclareInvoiceList.Add(declareInvoice);

            return requestEntity;
        }

        public static string ConvertRequestEntityToXML(RequestEntity requestEntity)
        {
            try
            {                
                XmlDocument xmlDoc = new XmlDocument();

                //Request Node
                XmlElement root = xmlDoc.CreateElement("Request");
                xmlDoc.AppendChild(root);
                root.SetAttribute("service", "OrderService");
                root.SetAttribute("lang", "zh-CN");

                //Head Node
                XmlNode headNode = xmlDoc.CreateElement("Head");
                headNode.InnerText = ConfigurationManager.AppSettings["CUSTOMER_ID"].ToString().Trim();
                root.AppendChild(headNode);

                //Body Node
                XmlNode bodyNode = xmlDoc.CreateElement("Body");
                bodyNode.InnerText = string.Empty;
                root.AppendChild(bodyNode);

                //Order Node
                XmlNode orderNode = xmlDoc.CreateElement("Order");
                orderNode.InnerText = string.Empty;
                bodyNode.AppendChild(orderNode);

                //Order Node Attribute
                List<string> propertyNameList = new List<string>();
                PropertyInfo[] propertys = requestEntity.GetType().GetProperties();
                foreach (PropertyInfo pi in propertys)
                {
                    if (pi.Name == "DeclareInvoiceList")
                    {
                        foreach(DeclareInvoice declareInvoice in requestEntity.DeclareInvoiceList)
                        {
                            XmlNode cargoNode = xmlDoc.CreateElement("Cargo");
                            orderNode.AppendChild(cargoNode);
                            PropertyInfo[] propertysCargo = declareInvoice.GetType().GetProperties();
                            foreach (PropertyInfo piCargo in propertysCargo)
                            {
                                XmlAttribute attribute = xmlDoc.CreateAttribute(piCargo.Name);
                                attribute.Value = piCargo.GetValue(declareInvoice, null).ToString().Trim();
                                cargoNode.Attributes.Append(attribute);
                            }
                        }
                    }
                    else
                    {
                        XmlAttribute attribute = xmlDoc.CreateAttribute(pi.Name);
                        attribute.Value =  pi.GetValue(requestEntity, null).ToString().Trim();
                        orderNode.Attributes.Append(attribute);
                    }
                }
                return xmlDoc.InnerXml;
            }
            catch (Exception ex)
            {
                throw ex;
            }
        }

        private static string QuotationMarks(string str)
        {
            return "\"" + str + "\"";
        }

        public static string MD5Base64(string input)
        {
            string pwd = System.Web.Security.FormsAuthentication.HashPasswordForStoringInConfigFile(input, "MD5");
            byte[] by = System.Text.Encoding.UTF8.GetBytes(pwd);
            return Convert.ToBase64String(by);
        }

        public static string SubmitRequest(string xml)
        {
            try
            {
                string check_word = ConfigurationManager.AppSettings["CHECK_WORD"].ToString().Trim();
                string verifyCode = MD5Base64(xml + check_word); //example format: ODA4RUExMzFDRDRFM0ZFOThFOTUwQjAyNDgyOERGNjQ=
                WebReference.SfexpressServiceImplService service = new WebReference.SfexpressServiceImplService();
                string response = service.sfexpressService(xml, verifyCode);
                return response;
            }
            catch (Exception ex)
            {
                return ex.Message;
            }
        }


        public static string SubmitRequest(RequestEntity requestEntity)
        {
            try
            {
                string xml = ConvertRequestEntityToXML(requestEntity);
                return SubmitRequest(xml);
            }
            catch (Exception ex)
            {
                return ex.Message;
            }
        }


        public static string DemoMethod()
        {
            try
            {
                RequestEntity requestEntity = GenerateRequestEntity();
                return SubmitRequest(requestEntity);
            }
            catch (Exception ex)
            {
                return ex.Message;
            }
        }
        public string sendpost(string URL)
        {
            HttpWebRequest request = (HttpWebRequest)WebRequest.Create(URL);
            request.Method = "POST";
            request.ContentType = "text/html";
            request.UserAgent = "Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Trident/5.0; qihu theworld)";
            request.Headers.Add("Accept-Language: zh-CN");
            request.Headers["Pragma"] = "no-cache"; //禁用缓存
            request.Headers["Cache-Control"] = "no-cache"; //禁用缓存  

            HttpWebResponse response = (HttpWebResponse)request.GetResponse();
            Stream myResponseStream = response.GetResponseStream();
            StreamReader myStreamReader = new StreamReader(myResponseStream, Encoding.GetEncoding("utf-8"));
            string josn = myStreamReader.ReadToEnd();

            myStreamReader.Close();
            myResponseStream.Close();
            response.Close();
            return josn;
        }
    }
}