using NLog;
using RabbitMQ.Client;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using DS.Module.Core.Extensions;
using static AnyDiff.DifferenceLines;
using DS.Module.Core;
using Microsoft.VisualBasic;

namespace DS.Module.MQ
{
    public class RabbitMQService: IRabbitMQService
    {
        private static readonly Logger _logger = LogManager.GetCurrentClassLogger();

        /// <summary>
        /// 发送MQ报文
        /// </summary>
        /// <param name="request">请求参数</param>
        /// <returns>true-发送成功 false-发送失败</returns>
        public async Task<DataResult> PublishMessage(MQPublishMessageReqDto request)
        {
            bool isException = false;
            string msg = string.Empty;

            try
            {
                ConnectionFactory factory = new ConnectionFactory();
                factory.Uri = new Uri(request.mqUri);

                using (IConnection conn = factory.CreateConnection())
                {

                    try
                    {
                        IModel mqModel = conn.CreateModel();
                        mqModel.ExchangeDeclare(request.mqExchangeName, ExchangeType.Direct);

                        //var queueName = $"{MqActionQueueName}.{(item.SubTenantId.HasValue && item.SubTenantId > 0 ? item.SubTenantId.Value : item.TenantId)}";
                        mqModel.QueueDeclare(request.mqQueueName, false, false, false, null);
                        mqModel.QueueBind(request.mqQueueName, request.mqExchangeName, request.mqQueueName, null);


                        byte[] messageBodyBytes = Encoding.UTF8.GetBytes(request.IsZip ? SharpZipLib.Compress(request.json) : request.json);


                        IBasicProperties props = mqModel.CreateBasicProperties();
                        props.DeliveryMode = 2;
                        mqModel.BasicPublish(request.mqExchangeName, request.mqQueueName, props, messageBodyBytes);


                        _logger.Info($"Id:{request.BusinessId}，订舱数据回推，已发送数据到消息队列【{request.mqUri}】，队列名称：【{request.mqQueueName}】");

                    }
                    catch (Exception inne)
                    {
                        _logger.Error($"Id:{request.BusinessId}，推送MQ时发生异常，原因:{inne.Message}");

                        msg = $"Id:{request.BusinessId}，推送MQ时发生异常，原因:{inne.Message}";

                        isException = true;
                    }
                    finally {
                        conn.Close();
                    }
                }
            }
            catch (Exception ex)
            {
                _logger.Error($"Id:{request.BusinessId},启动推送MQ时发生异常，原因:{ex.Message}");

                msg = $"Id:{request.BusinessId},启动推送MQ时发生异常，原因:{ex.Message}";

                isException = true;
            }

            if(isException)
                return DataResult.Failed(msg);

            return DataResult.Successed("发送成功");
        }

    }
}