using System;
using System.Collections.Generic;
using System.Text;
using RabbitMQ.Client;
using RabbitMQ.Client.Events;
using Library;
using System.Threading;

namespace MySystem
{
    public class RabbitMQClient
    {
        public readonly static RabbitMQClient Instance = new RabbitMQClient();
        string UserName,Password,HostName;
        private RabbitMQClient()
        {
            UserName = ConfigurationManager.AppSettings["MqUserName"].ToString();
            Password = ConfigurationManager.AppSettings["MqPassword"].ToString();
            HostName = ConfigurationManager.AppSettings["MqHostName"].ToString();
        }

        #region 单对单发送
        public void SendMsg(string content, string QueueName = "")
        {
            RedisDbconn.Instance.AddList("BsServerMq", QueueName + "#cut#" + content);
            //创建连接对象工厂
            // var factory = new ConnectionFactory()
            // {
            //     UserName = UserName,
            //     Password = Password,
            //     AutomaticRecoveryEnabled = true,  //如果connection挂掉是否重新连接
            //     TopologyRecoveryEnabled = true  //连接恢复后，连接的交换机，队列等是否一同恢复
            // };
            // List<AmqpTcpEndpoint> p = new List<AmqpTcpEndpoint>();
            // string[] HostNames = HostName.Split(',');
            // foreach (string subHostName in HostNames)
            // {
            //     string[] subHostNameData = subHostName.Split(':');
            //     p.Add(new AmqpTcpEndpoint(subHostNameData[0], int.Parse(subHostNameData[1])));
            // }
            // var conn = factory.CreateConnection(p);
            // var channel = conn.CreateModel();
            // channel.QueueDeclare(QueueName, true, false, false);
            // channel.BasicPublish("", QueueName, null, Encoding.Default.GetBytes(content));
            // channel.Dispose();
            // conn.Dispose();
        }
        #endregion

        #region 单对单发送
        public void ListenSendMsg()
        {
            Thread th = new Thread(ListenSendMsgDo);
            th.IsBackground = true;
            th.Start();
        }
        Dictionary<string, IModel> channels = new Dictionary<string, IModel>();
        public void ListenSendMsgDo()
        {
            while (true)
            {
                //创建连接对象工厂
                var factory = new ConnectionFactory()
                {
                    UserName = UserName,
                    Password = Password,
                    AutomaticRecoveryEnabled = true,  //如果connection挂掉是否重新连接
                    TopologyRecoveryEnabled = true  //连接恢复后，连接的交换机，队列等是否一同恢复
                };
                List<AmqpTcpEndpoint> p = new List<AmqpTcpEndpoint>();
                string[] HostNames = HostName.Split(',');
                foreach (string subHostName in HostNames)
                {
                    string[] subHostNameData = subHostName.Split(':');
                    p.Add(new AmqpTcpEndpoint(subHostNameData[0], int.Parse(subHostNameData[1])));
                }
                var conn = factory.CreateConnection(p);
                bool op = true;
                while (op)
                {
                    string data = RedisDbconn.Instance.RPop<string>("BsServerMq");
                    if (!string.IsNullOrEmpty(data))
                    {
                        try
                        {
                            string[] dataList = data.Split("#cut#");
                            string QueueName = dataList[0];
                            if (!channels.ContainsKey(QueueName))
                            { 
                                var channelCreate = conn.CreateModel();
                                channels.Add(QueueName, channelCreate);
                            }
                            var channel = channels[QueueName];
                            channel.QueueDeclare(QueueName, false, false, false);
                            channel.BasicPublish("", QueueName, null, Encoding.Default.GetBytes(dataList[1]));
                        }
                        catch (Exception ex)
                        {
                            op = false;
                            function.WriteLog(DateTime.Now.ToString() + "\r\n" + ex.ToString(), "MQ消息队列单对单发送监听异常");
                        }
                    }
                }
                // channel.Dispose();
                conn.Dispose();
                function.WriteLog(DateTime.Now.ToString(), "MQ测试");
            }
        }
        #endregion

        #region 单对单接收
        public void StartReceive(string QueueName)
        {
            var factory = new ConnectionFactory()
            {
                UserName = UserName,
                Password = Password,
                AutomaticRecoveryEnabled = true,  //如果connection挂掉是否重新连接
                TopologyRecoveryEnabled = true  //连接恢复后，连接的交换机，队列等是否一同恢复
            };
            List<AmqpTcpEndpoint> p = new List<AmqpTcpEndpoint>();
            string[] HostNames = HostName.Split(',');
            foreach (string subHostName in HostNames)
            {
                string[] subHostNameData = subHostName.Split(':');
                p.Add(new AmqpTcpEndpoint(subHostNameData[0], int.Parse(subHostNameData[1])));
            }
            var conn = factory.CreateConnection(p);
            var channel = conn.CreateModel();
            channel.QueueDeclare(QueueName, true, false, false);
            EventingBasicConsumer consumer = new EventingBasicConsumer(channel);
            consumer.Received += (a, e) =>
            {
                string MsgContent = Encoding.Default.GetString(e.Body.ToArray());
                if (QueueName == "PublicBsServer")
                { 
                    JobMqMsg job = Newtonsoft.Json.JsonConvert.DeserializeObject<JobMqMsg>(MsgContent);
                    ReceiveTaskService.Instance.Start(job);
                }
                channel.BasicAck(e.DeliveryTag, true); //收到回复后，RabbitMQ会直接在队列中删除这条消息
            };
            channel.BasicConsume(QueueName, false, consumer);
        }
        #endregion



        #region 单对多发送
        public void SendMsgToExchange(string content, string Exchange = "")
        {
            //创建连接对象工厂
            var factory = new ConnectionFactory()
            {
                UserName = UserName,
                Password = Password,
                AutomaticRecoveryEnabled = true,  //如果connection挂掉是否重新连接
                TopologyRecoveryEnabled = true  //连接恢复后，连接的交换机，队列等是否一同恢复
            };
            List<AmqpTcpEndpoint> p = new List<AmqpTcpEndpoint>();
            string[] HostNames = HostName.Split(',');
            foreach (string subHostName in HostNames)
            {
                string[] subHostNameData = subHostName.Split(':');
                p.Add(new AmqpTcpEndpoint(subHostNameData[0], int.Parse(subHostNameData[1])));
            }
            var conn = factory.CreateConnection(p);
            var channel = conn.CreateModel();
            channel.ExchangeDeclare(Exchange, ExchangeType.Fanout, true, false);
            channel.BasicPublish(Exchange, "", null, Encoding.Default.GetBytes(content));
            channel.Dispose();
            conn.Dispose();
        }
        #endregion

        #region 单对多接收
        public void StartReceiveFromExchange(string QueueName = "", string Exchange = "")
        {
            var factory = new ConnectionFactory()
            {
                UserName = UserName,
                Password = Password,
                AutomaticRecoveryEnabled = true,  //如果connection挂掉是否重新连接
                TopologyRecoveryEnabled = true  //连接恢复后，连接的交换机，队列等是否一同恢复
            };
            List<AmqpTcpEndpoint> p = new List<AmqpTcpEndpoint>();
            string[] HostNames = HostName.Split(',');
            foreach (string subHostName in HostNames)
            {
                string[] subHostNameData = subHostName.Split(':');
                p.Add(new AmqpTcpEndpoint(subHostNameData[0], int.Parse(subHostNameData[1])));
            }
            var conn = factory.CreateConnection(p);
            var channel = conn.CreateModel();
            //定义队列
            channel.QueueDeclare(QueueName, true, false, false);
            //定义交换机
            channel.ExchangeDeclare(Exchange, ExchangeType.Fanout, true, false);
            //绑定队列到交换机
            channel.QueueBind(QueueName, Exchange, "");
            var consumer = new EventingBasicConsumer(channel);
            consumer.Received += (a, e) =>
            {
                Library.function.WriteLog(Encoding.Default.GetString(e.Body.ToArray()), "接收到的MQ消息");
                channel.BasicAck(e.DeliveryTag, true); //收到回复后，RabbitMQ会直接在队列中删除这条消息
            };
            channel.BasicConsume(QueueName, false, consumer);
        }
        #endregion









        public void TestSendMsg(string content, string QueueName = "")
        {
            //创建连接对象工厂
            var factory = new ConnectionFactory()
            {
                UserName = UserName,
                Password = Password,
                AutomaticRecoveryEnabled = true,  //如果connection挂掉是否重新连接
                TopologyRecoveryEnabled = true  //连接恢复后，连接的交换机，队列等是否一同恢复
            };
            List<AmqpTcpEndpoint> p = new List<AmqpTcpEndpoint>();
            string[] HostNames = HostName.Split(',');
            foreach (string subHostName in HostNames)
            {
                string[] subHostNameData = subHostName.Split(':');
                p.Add(new AmqpTcpEndpoint(subHostNameData[0], int.Parse(subHostNameData[1])));
            }
            var conn = factory.CreateConnection(p);
            var channel = conn.CreateModel();
            channel.QueueDeclare(QueueName, true, false, false);
            channel.BasicPublish("", QueueName, null, Encoding.Default.GetBytes(content));
            channel.Dispose();
            conn.Dispose();
        }
    }
}