using System;
using MySql.Data.MySqlClient;
using ln.logging;
using ln.skyscanner.entities;
using System.Linq;
using ln.types.net;
using ln.types;
using System.Globalization;
using ln.types.odb.ng;
namespace ln.skyscanner.import.skytron
{
    public class SkytronImport
    {
        MySqlConnection mysql;

        public SkytronImport(String connectionString)
        {
            mysql = new MySqlConnection(connectionString);
        }

        public void Import(Mapper mapper)
        {
            try
            {
                mysql.Open();

                ImportStammdaten(mapper);
                ImportNodes(mapper);
                ImportL2Segmente(mapper);

            } catch (Exception e)
            {
                Logging.Log(e);

                if (mysql != null)
                    mysql.Close();

                throw;
            }
        }

        public void ImportStammdaten(Mapper mapper)
        {
            MySqlCommand command = mysql.CreateCommand();

            command.CommandText = "SELECT * FROM sender_stammdaten";
            using (MySqlDataReader reader = command.ExecuteReader())
            {

                while (reader.Read())
                {
                    PointOfPresence pop = mapper.Load<PointOfPresence>(Query.Equals<PointOfPresence>("ForeignName", reader.GetInt32("senderid").ToString())).FirstOrDefault();
                    if (pop == null)
                    {
                        Logging.Log(LogLevel.INFO, "New PoP: {0} / {1}", reader.GetInt32("senderid"), reader.GetString("stationsname"));
                        pop = new PointOfPresence();
                        pop.ForeignName = reader.GetInt32("senderid").ToString();
                        pop.Name = reader.GetString("stationsname");


                        String lati = reader.GetString("koordinaten_breite");
                        String longi = reader.GetString("koordinaten_laenge");

                        if (!String.Empty.Equals(lati) && !String.Empty.Equals(longi))
                            pop.GeoLocation = new GeoLocation(float.Parse(lati,CultureInfo.InvariantCulture.NumberFormat),float.Parse(longi, CultureInfo.InvariantCulture.NumberFormat));

                        mapper.Save(pop);
                    }
                    else
                    {
                        Logging.Log(LogLevel.INFO, "Known PoP: {0}",pop);
                    }

                }
            }
        }

        public void ImportNodes(Mapper mapper)
        {
            MySqlCommand command = mysql.CreateCommand();

            command.CommandText = "SELECT * FROM sender_ip_discovery";
            using (MySqlDataReader reader = command.ExecuteReader())
            {

                while (reader.Read())
                {
                    String id = reader.GetString("id");
                    IPv4 primaryIP = IPv4.Parse(reader.GetString("ip"));

                    Node node = mapper.Load<Node>(Query.Equals<Node>("uniqueIdentity", id)).FirstOrDefault();
                    if (node == null)
                    {
                        node = new Node(primaryIP);
                        node.UniqueIdentity = id;
                        Logging.Log(LogLevel.INFO, "New Node: {0} / {1}",id,primaryIP);
                    }

                    node.Vendor = reader.GetString("hersteller");
                    node.Product = reader.GetString("produkt");
                    node.Comment = reader.GetString("devicename");

                    if (reader.GetInt32("http_port") != 0)
                    {
                        string proto = reader.GetInt32("http_port") == 443 ? "https" : "http";
                        node.RemoveURI("http");
                        node.RemoveURI("https");
                        node.AddURI(new URI(String.Format("{2}://{0}:{1}",
                            primaryIP,
                            reader.GetString("http_port"),
                            proto
                            )));
                    }
                    if (reader.GetInt32("ssh_port") != 0)
                    {
                        node.RemoveURI("ssh");
                        node.AddURI(new URI(String.Format("ssh://{0}:{1}@{2}:{3}",
                            reader.GetString("ssh_user"),
                            reader.GetString("ssh_passwort"),
                            primaryIP,
                            reader.GetString("ssh_port")
                            )));
                    }

                    node.RemoveURI("snmp");
                    if (!String.Empty.Equals(reader.GetString("snmp_community")))
                    {
                        node.AddURI(new URI(String.Format("snmp://{0}@{1}#1",
                            reader.GetString("snmp_community"),
                            primaryIP
                            )));
                    }
                    if (!String.Empty.Equals(reader.GetString("snmp_v3_user")))
                    {
                        node.AddURI(new URI(String.Format("snmp://{0}:{1}:{2}@{3}#3",
                            reader.GetString("snmp_v3_user"),
                            reader.GetString("snmp_v3_auth_password"),
                            reader.GetString("snmp_v3_encrypt_password"),
                            primaryIP
                            )));
                    }

                    node.Severity = CheckSeverity.PRODUCTION;

                    mapper.Save(node);
                }
            }
        }

        public void ImportL2Segmente(Mapper mapper)
        {
            MySqlCommand command = mysql.CreateCommand();

            command.CommandText = "SELECT * FROM sender_ip_subnetze";

            using (MySqlDataReader reader = command.ExecuteReader())
            {
                while (reader.Read())
                {
                    Network4 net4 = Network4.Parse(reader.GetString("cidr"));
                    L2Segment l2 = mapper.Load<L2Segment>(Query.Equals<L2Segment>("Network", net4)).FirstOrDefault();
                    if (l2 == null)
                    {
                        l2 = new L2Segment();
                        l2.Name = String.Format("SUB#{0}", reader.GetInt32("id").ToString());
                        l2.Comment = reader.GetString("beschreibung");
                        l2.Network = net4;

                        Logging.Log(LogLevel.INFO, "New L2Segment: {0} / {1}",net4,l2.Name);

                        String sid = reader.GetString("senderid1");
                        if ((sid != null) && !String.Empty.Equals(sid))
                        {
                            PointOfPresence pop = mapper.Load<PointOfPresence>(Query.Equals<PointOfPresence>("ForeignName", sid)).FirstOrDefault();
                            if (pop != null)
                                l2.PoPs.Add(pop);
                        }
                        sid = reader.GetString("senderid2");
                        if ((sid != null) && !String.Empty.Equals(sid))
                        {
                            PointOfPresence pop = mapper.Load<PointOfPresence>(Query.Equals<PointOfPresence>("ForeignName", sid)).FirstOrDefault();
                            if (pop != null)
                                l2.PoPs.Add(pop);
                        }
                        sid = reader.GetString("senderid3");
                        if ((sid != null) && !String.Empty.Equals(sid))
                        {
                            PointOfPresence pop = mapper.Load<PointOfPresence>(Query.Equals<PointOfPresence>("ForeignName", sid)).FirstOrDefault();
                            if (pop != null)
                                l2.PoPs.Add(pop);
                        }
                        sid = reader.GetString("senderid4");
                        if ((sid != null) && !String.Empty.Equals(sid))
                        {
                            PointOfPresence pop = mapper.Load<PointOfPresence>(Query.Equals<PointOfPresence>("ForeignName", sid)).FirstOrDefault();
                            if (pop != null)
                                l2.PoPs.Add(pop);
                        }

                        mapper.Save(l2);
                    }

                }
            }
        }

    }
}