using skyscraper8.DvbNip;
using System;
using System.Collections.Generic;
using System.Data;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Npgsql;
using NpgsqlTypes;

namespace skyscraper5.Data.PostgreSql
{
	public partial class PostgresqlDataStore
	{
		private Dictionary<NipActualCarrierInformation, int> _knownNipCarriers;

		public bool DvbNipTestForCarrier(NipActualCarrierInformation currentCarrierInformation)
		{
			if (_knownNipCarriers != null)
			{
				if (_knownNipCarriers.ContainsKey(currentCarrierInformation))
					return true;
			}

			bool result = false;
			using (NpgsqlConnection connection = new NpgsqlConnection(connectionStringBuilder.ToString()))
			{
				connection.Open();
				NpgsqlCommand command = connection.CreateCommand();
				command.CommandText = "SELECT serial FROM dvbnip_carrier_information WHERE nid = @nid AND cid = @cid AND lid = @lid AND sid = @sid";
				command.Parameters.AddWithValue("@nid", NpgsqlDbType.Integer, (int)currentCarrierInformation.NipNetworkId);
				command.Parameters.AddWithValue("@cid", NpgsqlDbType.Integer, (int)currentCarrierInformation.NipCarrierId);
				command.Parameters.AddWithValue("@lid", NpgsqlDbType.Integer, (int)currentCarrierInformation.NipLinkId);
				command.Parameters.AddWithValue("@sid", NpgsqlDbType.Integer, (int)currentCarrierInformation.NipServiceId);
				NpgsqlDataReader dataReader = command.ExecuteReader();
				if (dataReader.Read())
				{
					if (_knownNipCarriers == null)
						_knownNipCarriers = new Dictionary<NipActualCarrierInformation, int>();

					int value = dataReader.GetInt32(0);
					_knownNipCarriers.Add(currentCarrierInformation, value);
					result = true;
				}
				dataReader.Close();
			}

			return result;
		}

		public void DvbNipInsertCarrier(NipActualCarrierInformation currentCarrierInformation)
		{
			EnqueueTask(x => DvbNipInsertCarrierEx(x, currentCarrierInformation));
			EnqueueTask(CommitTransaction);
		}

		private void DvbNipInsertCarrierEx(NpgsqlConnection connection, NipActualCarrierInformation currentCarrierInformation)
		{
			NpgsqlCommand command = connection.CreateCommand();
			command.CommandText = "INSERT INTO dvbnip_carrier_information VALUES (DEFAULT,DEFAULT,@nid,@cid,@lid,@sid,@spn)";
			command.Parameters.AddWithValue("@nid", NpgsqlDbType.Integer, (int)currentCarrierInformation.NipNetworkId);
			command.Parameters.AddWithValue("@cid", NpgsqlDbType.Integer, (int)currentCarrierInformation.NipCarrierId);
			command.Parameters.AddWithValue("@lid", NpgsqlDbType.Integer, (int)currentCarrierInformation.NipLinkId);
			command.Parameters.AddWithValue("@sid", NpgsqlDbType.Integer, (int)currentCarrierInformation.NipServiceId);
			command.Parameters.AddWithValue("@spn", NpgsqlDbType.Text, currentCarrierInformation.NipStreamProviderName);
			int a = command.ExecuteNonQuery();
			if (a != 1)
				throw new DataException(String.Format("Wanted to insert 1 row, got {0}", a));
			command.Dispose();
		}

		public bool DvbNipPrivateDataSpecifier(NipActualCarrierInformation currentCarrierInformation, DateTime versionUpdate,
			uint privateDataSpecifier, List<string> privateDataSessions)
		{
			throw new NotImplementedException();
		}

		public bool DvbNipTestForNetwork(BroadcastNetworkType network)
		{
			throw new NotImplementedException();
		}

		public void DvbNipInsertNetwork(BroadcastNetworkType network)
		{
			throw new NotImplementedException();
		}

		public bool DvbNipTestForService(BroadcastMediaStreamType broadcastMediaStreamType)
		{
			throw new NotImplementedException();
		}

		public void DvbNipInsertService(BroadcastMediaStreamType broadcastMediaStreamType)
		{
			throw new NotImplementedException();
		}

		public bool DvbNipTestForMulticastSession(MulticastSessionType multicastSession)
		{
			throw new NotImplementedException();
		}

		public void DvbNipInsertMulticastSession(MulticastSessionType multicastSession)
		{
			throw new NotImplementedException();
		}

		public bool DvbNipTestForMulticastGatewayConfigurationTransportSession(NipActualCarrierInformation carrier,
			MulticastEndpointAddressType multicastEndpointAddressType)
		{
			throw new NotImplementedException();
		}

		public void DvbNipInsertMulticastGatewayConfigurationTransportSession(NipActualCarrierInformation carrier,
			MulticastGatewayConfigurationTransportSessionType multicastGatewayConfigurationTransportSession)
		{
			throw new NotImplementedException();
		}
	}
}