using Microsoft.Azure.ServiceBus;
using System;
using System.Collections.Generic;
using System.Text;

namespace TEAMModelOS.SDK.Module.AzureServiceBus
{
    public  class AzureServiceBusClientSingleton
    {

        private ServiceBusModel ServiceBusModel;
        public static AzureServiceBusOptions azureServiceBusOptions;
        private AzureServiceBusClientSingleton() { }
        public ServiceBusModel GetServiceBusClient()
        {
            if (ServiceBusModel != null)
            {
                return ServiceBusModel;
            }
            else
            {
                getInstance(azureServiceBusOptions);
                return ServiceBusModel;
            }
        }
        public static AzureServiceBusClientSingleton getInstance(AzureServiceBusOptions _azureServiceBusOptions)
        {
            azureServiceBusOptions= _azureServiceBusOptions;
          
         
            return SingletonInstance.instance;
        }

        private static class SingletonInstance
        {
            public static AzureServiceBusClientSingleton instance = new AzureServiceBusClientSingleton()
            {
                ServiceBusModel = new ServiceBusModel { topClients = GetTopClients(),subClients=GetSubClients() }
            };
        }

        private static Dictionary<string, TopClient> GetTopClients() {
            Dictionary<string, TopClient> topClients = new Dictionary<string, TopClient>();
            string ConnectionString = azureServiceBusOptions.ConnectionString;
            azureServiceBusOptions.Topics.ForEach(x=> { topClients.TryAdd(x.Name, new TopClient { topicClient = new TopicClient(ConnectionString, x.Name) }); });
            return topClients;
        }
        private static Dictionary<string, SubClient> GetSubClients()
        {
            Dictionary<string, SubClient>  subClients = new Dictionary<string, SubClient>();
            string ConnectionString = azureServiceBusOptions.ConnectionString;
            azureServiceBusOptions.Topics.ForEach(x => { x.Subscribe.ForEach(y => { subClients.TryAdd(y, new SubClient { topName = x.Name, subscriptionClient = new SubscriptionClient(ConnectionString, x.Name, y) }); }); });
            return subClients;
        }
    }


    public class ServiceBusModel {
       public Dictionary<string, TopClient> topClients { get; set; } = new Dictionary<string, TopClient>();
        public Dictionary<string, SubClient> subClients { get; set; } = new Dictionary<string, SubClient>();
       
    }

    public class TopClient { 
       
        public ITopicClient topicClient { get; set; }
    }
    public class SubClient
    {
        public string topName { get; set; }
       
        public ISubscriptionClient subscriptionClient { get; set; }
    }
}