using DSWeb.Common.DB;
using log4net;
using Newtonsoft.Json;
using RabbitMQ.Client;
using RabbitMQ.Client.Events;
using System;
using System.Collections.Generic;
using System.Configuration;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace DSWeb.EventBus
{
    public static class MqProcBillcenterDs7Feedback
    {
        private const string ExchangeName = "billcenter";
        private const string QueueName = "billcenter.feedback.ds7";

        private static string FeedbackMqUri = ConfigurationManager.AppSettings["FeedbackMQUri"];
        private static IConnection mqConn;
        private static ILog logger = LogManager.GetLogger("MqProcBillcenterDs7Feedback");

        public static void DoProcess()
        {

            logger.Debug($"ds7账单反馈开始执行");
            ConnectionFactory factory = new ConnectionFactory();
            factory.Uri = new Uri(FeedbackMqUri);
            mqConn = factory.CreateConnection("ds7 feedback");

            IModel model = mqConn.CreateModel();
            model.ExchangeDeclare(ExchangeName, ExchangeType.Direct);
            model.QueueDeclare(QueueName, false, false, false, null);

            var consumer = new EventingBasicConsumer(model);
            consumer.Received += (ch, ea) =>
            {
                var body = ea.Body;
                var strBody = Encoding.UTF8.GetString(body.ToArray());
                logger.Debug($"收到ds7账单反馈：{strBody}");

                try
                {
                    //回写数据
                    var feedback = JsonConvert.DeserializeAnonymousType(strBody, new { ReceiveId = string.Empty, Success = false, Reason = string.Empty });
                    BillCenterDataContext billCenterData = new BillCenterDataContext();
                    var bill = billCenterData.BillCenterRecord.FirstOrDefault(b => b.GID == feedback.ReceiveId);
                    if (bill != null)
                    {
                        bill.CustSysRecStatus = feedback.Success ? "接收成功" : "接收失败";
                        bill.CustSysRecTime = DateTime.Now;
                        bill.CustSysRecResult = feedback.Reason;
                        billCenterData.SaveChanges();

                        //更新附件发送状态
                        var attach = billCenterData.Attachments.First(a => a.GID == bill.AttachId);
                        var staListInAtt = billCenterData.BillCenterRecord.AsNoTracking()
                        .Where(x => x.AttachId == bill.AttachId)
                        .Select(x => x.CustSysRecStatus)
                        .Distinct()
                        .ToList();
                        if (staListInAtt.Where(x => x == "接收成功").Count() == staListInAtt.Count)
                        {
                            attach.SendStatus = "发送成功";
                        }
                        else if (staListInAtt.Contains("接收失败"))
                        {
                            attach.SendStatus = "发送失败";
                        }
                        billCenterData.SaveChanges();

                        //更细邮件状态
                        var mail = billCenterData.Mails.First(m => m.GID == attach.MailGID);
                        var staListInMail = billCenterData.Attachments.AsNoTracking()
                        .Where(a => a.MailGID == attach.MailGID)
                        .Select(a => a.SendStatus)
                        .Distinct()
                        .ToList();
                        if (staListInMail.Where(x => x == "发送成功").Count() == staListInMail.Count)
                        {
                            mail.Status = "Success";
                        }
                        else if (staListInMail.Contains("发送失败"))
                        {
                            mail.Status = "Processing";
                        }
                        billCenterData.SaveChanges();
                    }
                    else
                    {
                        logger.Error($"处理账单中心DS7反馈状态时出错：无效的数据ID {feedback.ReceiveId}");
                    }
                }
                catch (Exception ex)
                {
                    logger.Error($"处理账单中心DS7反馈状态时出错：");
                    logger.Error(ex.Message);
                    logger.Error(ex.StackTrace);
                }
            };
            model.BasicConsume(QueueName, true, consumer);
        }

        public static void StopProcess()
        {
            if (mqConn != null && mqConn.IsOpen)
            {
                mqConn.Close();
                mqConn = null;
            }
        }
    }
}