using Aop.Api;
using Aop.Api.Domain;
using Aop.Api.Request;
using Aop.Api.Response;
using EMIS.Utility;
using EMIS.Utility.OnlinePay.Alipay;
using EMIS.Utility.OnlinePay.Alipay.Models;
using Newtonsoft.Json.Linq;
using System;
using System.Collections;
using System.Collections.Generic;
using System.Drawing.Imaging;
using System.IO;
using System.Linq;
using System.Reflection;
using System.Web;
using System.Web.Mvc;
using System.Xml.Serialization;

namespace EMIS.Utility.OnlinePay
{
    public class AlipayHelper
    {
        static IAopClient client = new DefaultAopClient(Config.serverUrl, Config.appId, Config.merchant_private_key, "json", Config.version, Config.sign_type, Config.alipay_public_key, Config.charset, false);

        public static FileContentResult GetPayQRCode(string productId, decimal fee, string feeTypeName)
        {

            List<GoodsDetail> gList = new List<GoodsDetail>();
            GoodsDetail goods = new GoodsDetail();
            goods.GoodsId = productId;
            goods.GoodsName = feeTypeName;
            goods.Price = fee.ToString("#.00");
            goods.Quantity = 1;
            gList.Add(goods);

            AlipayTradePrecreateModel model = new AlipayTradePrecreateModel()
            {
                //收款账号
                SellerId = Config.pid,
                //订单编号
                OutTradeNo = productId,
                //订单总金额
                TotalAmount = fee.ToString("#.00").Trim(),
                //订单名称
                Subject = feeTypeName,
                //自定义超时时间
                TimeoutExpress = "5m",
                //订单描述
                Body = "",
                //门店编号，很重要的参数，可以用作之后的营销
                StoreId = "01",
                //操作员编号，很重要的参数，可以用作之后的营销
                OperatorId = "01",
                //传入商品信息详情
                GoodsDetail =  gList
            };

            string notify_url = "http://liot.bowintek.com/alipay/PayNotify";  //商户接收异步通知的地址
            AlipayTradePrecreateRequest request = new AlipayTradePrecreateRequest();
            request.BizContent = new AopModelParser().serializeAopObject(model).ToString();
            request.SetNotifyUrl(notify_url);

            AlipayTradePrecreateResponse precreateResult = client.Execute(request);

            switch (precreateResult.Code)
            {
                case ResultCode.SUCCESS:
                    var memoryStream = new MemoryStream();
                    var qrcodeImage = QRCodeHelper.GenerateQRCode(precreateResult.QrCode);
                    qrcodeImage.Save(memoryStream, ImageFormat.Png);

                    return new FileContentResult(memoryStream.GetBuffer(), "image/png");
                case ResultCode.FAIL:
                    throw new Exception(precreateResult.Body);
                case ResultCode.ERROR:
                default:
                    if (precreateResult == null)
                    {
                        throw new Exception("配置或网络异常，请检查后重试");
                    }
                    else
                    {
                        throw new Exception("系统异常，请更新外部订单后重新发起请求");
                    }
            }
        }

        public static void CloseOrder(string productId)
        {
            AlipayTradeCloseModel model = new AlipayTradeCloseModel()
            {
                OutTradeNo = productId,
                OperatorId = "01"
            };
            AlipayTradeCloseRequest request = new AlipayTradeCloseRequest();
            request.BizContent = new AopModelParser().serializeAopObject(model).ToString();
            AlipayTradeCloseResponse closeResult = client.Execute(request);

            switch (closeResult.Code)
            {
                case ResultCode.FAIL:
                    throw new Exception(closeResult.Body);
                case ResultCode.ERROR:
                default:
                    if (closeResult == null)
                    {
                        throw new Exception("配置或网络异常，请检查后重试");
                    }
                    else
                    {
                        throw new Exception("系统异常，请更新外部订单后重新发起请求");
                    }
            }
        }

        public static AlipayTradeQueryResponse OrderQuery(string productId)
        {
            AlipayTradeQueryModel model = new AlipayTradeQueryModel();
            model.OutTradeNo = productId;
            AlipayTradeQueryRequest request = new AlipayTradeQueryRequest();
            request.BizContent = new AopModelParser().serializeAopObject(model).ToString();

            var result = client.Execute(request);

            return result;
        }

        public static bool IsTradeFinished(string tradeStatus)
        {
            if (tradeStatus == "TRADE_CLOSED"
                    || tradeStatus == "TRADE_SUCCESS"
                    || tradeStatus == "TRADE_FINISHED")
            {
                return true;
            }
            else
            {
                return false;
            }
        }
    }

    public class AopModelParser
    {

        /// <summary>
        /// Json序列化AopObject对象
        /// </summary>
        /// <param name="res"></param>
        /// <returns></returns>
        public JObject serializeAopObject(AopObject res)
        {
            PropertyInfo[] pis = res.GetType().GetProperties();
            JObject jo = new JObject();
            foreach (PropertyInfo pi in pis)
            {
                if (!pi.CanRead)
                {
                    continue;
                }

                String elementName = getElementName(pi);
                Object value = getPiValue(res, pi);
                if (!String.IsNullOrEmpty(elementName))
                {
                    Object serialized = serializeValue(value);
                    if (serialized != null)
                    {
                        jo.Add(elementName, JToken.FromObject( serialized));
                    }
                }
            }
            return jo;
        }

        /// <summary>
        /// 序列化某个对象
        /// </summary>
        /// <param name="value"></param>
        /// <returns></returns>
        private Object serializeValue(Object value)
        {
            if (value == null)
            {
                return null;
            }

            Object result = null;
            if (value is IDictionary)
            {
                result = serializeDicValue((IDictionary)value);
            }
            else if (value is ICollection)
            {
                result = serializeArrayValue((ICollection)value);
            }
            else
            {
                result = serializeElementValue(value);
            }
            return result;
        }

        /// <summary>
        /// 序列化一个元素
        /// </summary>
        /// <param name="value"></param>
        /// <returns></returns>
        private Object serializeElementValue(Object value)
        {
            if (value == null)
            {
                return null;
            }

            Object result = null;
            if (value is AopObject)
            {
                result = serializeAopObject((AopObject)value);
            }
            else
            {
                result = value;
            }
            return result;
        }

        /// <summary>
        /// 序列化一个字典
        /// </summary>
        /// <param name="dic"></param>
        /// <returns></returns>
        private Object serializeDicValue(IDictionary dic)
        {
            if (dic == null)
            {
                return null;
            }

            JObject jo = new JObject();
            foreach (String key in dic.Keys)
            {
                Object dicValue = dic[key];
                Object serializedValue = serializeValue(dicValue);
                jo.Add(key, JToken.FromObject(serializedValue));
            }
            return jo;
        }

        /// <summary>
        /// 序列化一个数组
        /// </summary>
        /// <param name="collection"></param>
        /// <returns></returns>
        private Object serializeArrayValue(ICollection collection)
        {
            if (collection == null)
            {
                return null;
            }

            JArray ja = new JArray();
            foreach (var item in collection)
            {
                ja.Add(serializeValue(item));
            }
            return ja;
        }

        /// <summary>
        /// 获取对象的属性值
        /// </summary>
        /// <param name="res"></param>
        /// <param name="pi"></param>
        /// <returns></returns>
        private Object getPiValue(Object res, PropertyInfo pi)
        {
            if (!pi.CanRead)
            {
                return null;
            }

            Object value = pi.GetValue(res, null);
            return value;
        }

        /// <summary>
        /// 获取Xml属性名
        /// </summary>
        /// <param name="pi"></param>
        /// <returns></returns>
        private String getElementName(PropertyInfo pi)
        {
            if (pi == null)
            {
                return null;
            }

            // 获取XmlElement属性
            XmlElementAttribute[] xeas = pi.GetCustomAttributes(typeof(XmlElementAttribute), true) as XmlElementAttribute[];
            String elementName = null;
            if (xeas != null && xeas.Length > 0)
            {
                elementName = xeas[0].ElementName;
            }

            // 如果获取XmlElement属性为空，则去获取XmlArray属性
            if (String.IsNullOrEmpty(elementName))
            {
                XmlArrayAttribute[] xaas = pi.GetCustomAttributes(typeof(XmlArrayAttribute), true) as XmlArrayAttribute[];
                if (xaas != null && xaas.Length > 0)
                {
                    elementName = xaas[0].ElementName;
                }
            }
            return elementName;
        }

    }
}