using System;
using System.Collections.Generic;
using System.Linq;
using System.Security.Cryptography;
using System.Text;
using System.Xml.Linq;

namespace NetLibrary.OnlineTrade
{
    public class LazadaApi
    {
        #region 读取订单
        public List<OrderModel> GetOrders(string shopname, string Apikey, string headurl, out string ErrorMessage)
        {
            List<OrderModel> ListModel = new List<OrderModel>();

            string timenow = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss").Replace("/", "-").Replace(" ", "T").Replace(":", "%3A") + "%2B08%3A00"; ;
            string timeBegin = DateTime.Now.AddDays(-10).ToString("yyyy-MM-dd hh:mm:ss").Replace("/", "-").Replace(" ", "T").Replace(":", "%3A") + "%2B08%3A00";
            string temp = "Action=GetOrders&CreatedAfter=" + timeBegin + "&Format=XML&Status=pending&Timestamp=" + timenow + "&UserID=heegrandlazada%40outlook.com&Version=1.0";
            string str = SHA256Encrypt(Apikey, temp);

            string URL = headurl + "/?Action=GetOrders&CreatedAfter=" + timeBegin + "&Format=XML&Status=pending&Timestamp=" + timenow + "&UserID=heegrandlazada%40outlook.com&Version=1.0&Signature=" + str;

            string XmlContent = CustomIO.HttpRequest2(URL, "GET", "text/html", null, System.Net.HttpVersion.Version10, null, out ErrorMessage);
            if (string.IsNullOrEmpty(ErrorMessage) == false)
            {
                return null;
            }

            XElement xmlPage = XElement.Parse(XmlContent);

            try
            {
                foreach (var q in xmlPage.Element("Body").Element("Orders").Elements("Order"))
                {
                    string OrderNumber = q.Element("OrderNumber").Value;
                    if (q.Element("Statuses").Element("Status").Value != "pending") continue;

                    string timenow2 = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss").Replace("/", "-").Replace(" ", "T").Replace(":", "%3A") + "%2B08%3A00"; ;
                    string temp2 = "Action=GetMultipleOrderItems&Format=XML&OrderIdList=%5B" + q.Element("OrderId").Value + "%5D&Timestamp=" + timenow2 + "&UserID=heegrandlazada%40outlook.com&Version=1.0";
                    string str2 = SHA256Encrypt(Apikey, temp2);

                    string URL2 = headurl + "/?Action=GetMultipleOrderItems&Format=XML&OrderIdList=%5B" + q.Element("OrderId").Value + "%5D&Timestamp=" + timenow2 + "&UserID=heegrandlazada%40outlook.com&Version=1.0&Signature=" + str2;

                    string result2 = CustomIO.HttpRequest2(URL2, "GET", "text/html", null, System.Net.HttpVersion.Version10, null, out ErrorMessage);
                    if (string.IsNullOrEmpty(ErrorMessage) == false)
                    {
                        return null;
                    }
                    
                    XElement DetailXml = XElement.Parse(result2);
                    OrderModel om = new OrderModel();
                    om.OrderCode = OrderNumber;
                    om.PlatOrderCode = q.Element("OrderId").Value;
                    string customname = "";
                    if (q.Element("CustomerFirstName") != null)
                    {
                        customname = q.Element("CustomerFirstName").Value;
                    }
                    if (q.Element("CustomerLastName") != null)
                    {
                        if (q.Element("CustomerLastName").Value != "")
                            customname += " " + q.Element("CustomerLastName").Value;
                    }
                    if (customname == "")
                    {
                        ErrorMessage += OrderNumber + " 收件人姓名为空<br />";
                        continue;
                    }
                    om.BuyerName = customname;
                    //string price = q.Element("Price").Value;
                    //om.TotalPrice = Convert.ToDecimal(price);
                    if (q.Element("AddressShipping").Element("Phone") != null)
                    {
                        om.BuyerPhone = q.Element("AddressShipping").Element("Phone").Value;
                    }
                    if (q.Element("AddressShipping").Element("Phone2") != null)
                    {
                        om.BuyerMobile = q.Element("AddressShipping").Element("Phone2").Value;
                    }
                    string address = "";
                    if (q.Element("AddressShipping").Element("Address1") != null)
                    {
                        address = q.Element("AddressShipping").Element("Address1").Value + ",";
                    }
                    if (q.Element("AddressShipping").Element("Address2") != null)
                    {
                        if (q.Element("AddressShipping").Element("Address2").Value != "")
                            address += "" + q.Element("AddressShipping").Element("Address2").Value + ",";
                    }
                    if (q.Element("AddressShipping").Element("Address3") != null)
                    {
                        if (q.Element("AddressShipping").Element("Address3").Value != "")
                            address += "" + q.Element("AddressShipping").Element("Address3").Value + ",";
                    }
                    if (q.Element("AddressShipping").Element("Address4") != null)
                    {
                        if (q.Element("AddressShipping").Element("Address4").Value != "")
                            address += "" + q.Element("AddressShipping").Element("Address4").Value + ",";
                    }
                    if (q.Element("AddressShipping").Element("Address5") != null)
                    {
                        if (q.Element("AddressShipping").Element("Address5").Value != "")
                            address += "" + q.Element("AddressShipping").Element("Address5").Value + ",";
                    }
                    om.BuyerAddr = address;
                    string City = " ";
                    if (q.Element("AddressShipping").Element("City") != null)
                    {
                        if (q.Element("AddressShipping").Element("City").Value != "")
                            City = q.Element("AddressShipping").Element("City").Value;
                    }
                    om.BuyerCity = City;
                    string Region = " ";
                    if (q.Element("AddressShipping").Element("Region") != null)
                    {
                        if (q.Element("AddressShipping").Element("Region").Value != "")
                            Region = q.Element("AddressShipping").Element("Region").Value;
                    }
                    om.BuyerProvince = Region;
                    string PostCode = "";
                    if (q.Element("AddressShipping").Element("PostCode") != null)
                    {
                        PostCode = q.Element("AddressShipping").Element("PostCode").Value;
                    }
                    om.BuyerZip = PostCode;
                    string Country = " ";
                    if (q.Element("AddressShipping").Element("Country") != null)
                    {
                        Country = q.Element("AddressShipping").Element("Country").Value;
                    }
                    om.BuyerCountry = Country;
                    om.OrderDate = DateTime.Now;
                    om.PayDate = Convert.ToDateTime(q.Element("CreatedAt").Value);
                    string bz = "";
                    Decimal PaidPrice = 0;
                    List<OrderDetailModel> odmlist = new List<OrderDetailModel>();
                    foreach (var item in DetailXml.Element("Body").Element("Orders").Element("Order").Element("OrderItems").Elements("OrderItem"))
                    {
                        OrderDetailModel odm=new OrderDetailModel();
                        string sku = item.Element("Sku").Value;
                        string[] goodlist=sku.Split('-');
                        odm.GoodsSKU = sku;
                        odm.MoneyCode=item.Element("Currency").Value;
                        bz = item.Element("Currency").Value;
                        odm.GoodsPrice = Convert.ToDecimal(item.Element("ItemPrice").Value);
                        //PaidPrice += Convert.ToDecimal(item.Element("PaidPrice").Value);
                        PaidPrice += Convert.ToDecimal(item.Element("ItemPrice").Value);
                        odm.GoodsNum = 1;
                        odm.GoodsName = goodlist[0];
                        //odm.PostInfo = item.Element("OrderItemId").Value;
                        odmlist.Add(odm);
                        //om.ListModel.Add(odm);
                    }
                    om.ListModel = odmlist;
                    om.TotalPrice = PaidPrice;
                    om.MoneyCode = bz;
                    ListModel.Add(om);
                }
            }
            catch
            {
                ErrorMessage += "读取失败";
            }
            
            return ListModel;
        }
        #endregion

        public string SHA256Encrypt(string password, string name)
        {
            string str = "";

            var hmacsha256 = new HMACSHA256(Encoding.UTF8.GetBytes(password));
            hmacsha256.ComputeHash(Encoding.UTF8.GetBytes(name));
            foreach (byte test in hmacsha256.Hash)
            {
                str += test.ToString("x2");
            }
            return str;

        }
    }
}