using System;
using Npgsql;
using System.Collections.Generic;

namespace SafeMobileLib
{
    public class DBregistrationManager : DBmanager
    {
        public DBregistrationManager(string p_server, string p_dbname, string p_user, string p_password, string p_port)
            : base(p_server,  p_dbname,  p_user,  p_password,  p_port)
        {
        }
        
        public int insertSafeDispatchRegistration(SDRegistration regObj)
        {
            String command = "INSERT INTO registration(ip, has_gps, has_sms, has_ticketing, has_reports, has_voice, has_recordings, has_zones, has_telemetry, map_type) "
                + $" VALUES ('{regObj.ip}',{regObj.gps},{regObj.sms},{regObj.ticketing},{regObj.reports},{regObj.voice},{regObj.recordings},{regObj.zones},{regObj.telemetry},{regObj.map_type})";

            return (RunCommand(command) == sqlResponse.done) ? 0 : -1;

        }
        
        public int removeAllGatewayRegistrations()
        {
            string command = "UPDATE gateways SET active = false";
            return (RunCommand(command) == sqlResponse.done) ? 0 : -1;
        }
        
        public int removeSafeDispatchRegistration(String ip)
        {
            string command = $"delete from registration where ip='{ip}'";
            return (RunCommand(command) == sqlResponse.done) ? 0 : -1;
        }

        
        public int gatewaysCount()
        {
            string command = "SELECT COUNT(\"IP\") FROM gateways WHERE active = true";
            return GetInt32Result(command);
        }

        public int safeDispatchesCount()
        {
            string command = "SELECT COUNT(ip) FROM registration";
            return GetInt32Result(command);
        }

        
        public int updateSafeDispatchRegistration(SDRegistration oldValue, SDRegistration newValue)
        {
            int toReturn = 0;
           
            try
            {
                using (NpgsqlConnection connection = new NpgsqlConnection())
                {

                    connection.ConnectionString = getConnectionString();
                    connection.Open();

                    String query = "update registration set ip = '" + newValue.ip + "', has_gps = " + newValue.gps + ", has_sms = "
                    + newValue.sms + ", has_ticketing = " + newValue.ticketing + ", has_reports = " + newValue.reports + ", has_voice = "
                    + newValue.voice + ", has_recordings = "
                    + newValue.recordings + ", has_zones = " + newValue.zones + ", has_telemetry = " + newValue.telemetry + ", map_type = "
                    + newValue.map_type + " where ip = '" + oldValue.ip + "'";

                    using (NpgsqlCommand cmd = new NpgsqlCommand(query, connection))
                    {
                        cmd.ExecuteNonQuery();
                    }
                }
            }
            catch (Exception e)
            {
                Console.WriteLine("Exception in updateSafeDispatchRegistration: " + e.ToString());
                return -1;
            }
         
            return toReturn;
        }

        public int resetSafeDispatchRegistrations()
        {
            int toReturn = 0;
            
            NpgsqlCommand cmd;
            try
            {
                using (NpgsqlConnection connection = new NpgsqlConnection())
                {

                    connection.ConnectionString = getConnectionString();
                    connection.Open();

                    String query = "UPDATE registration SET has_gps = false, has_sms = false, has_ticketing = false, has_reports = false, has_voice = false, has_recordings = false, has_zones = false, has_telemetry = false ";
                    cmd = new NpgsqlCommand(query, connection);
                    cmd.ExecuteNonQuery();
                    
                }
            }
            catch (Exception e)
            {
                Console.WriteLine("Exception in resetSafeDispatchRegistrations: " + e.ToString());
                return -1;
            }
          
            return toReturn;
        }

        public List<GatewayRegistration> getAllGateways()
        {
            List<GatewayRegistration> gateways = new List<GatewayRegistration>();
           
            String query = "SELECT \"IP\", \"ID\" FROM gateways WHERE active = true";


            try
            {
                using (NpgsqlConnection connection = new NpgsqlConnection())
                {

                    connection.ConnectionString = getConnectionString();
                    connection.Open();

                    using (NpgsqlCommand cmd = new NpgsqlCommand(query, connection))
                    {
                        using (NpgsqlDataReader reader = cmd.ExecuteReader())
                        {
                            while (reader.Read())
                            {
                                String ip = reader.GetValue(0).ToString();
                                String id = reader.GetValue(1).ToString();

                                GatewayRegistration gwReg = new GatewayRegistration()
                                {
                                    ip = ip,
                                    id = id
                                };

                                gateways.Add(gwReg);
                            }
                        }
                    }
                }
            }
            catch (Exception e)
            {
                Console.WriteLine("Exception in DBRegistrationManager.getAllGateways: " + e.ToString());
            }
       
            return gateways;
        }


        public uint getGPSCount()
        {
            string command = "SELECT COUNT (has_gps) FROM registration WHERE has_gps=true";
            return (uint)GetInt32Result(command);
        }

        public uint getSMSCount()
        {
            string command = "SELECT COUNT (has_sms) FROM registration WHERE has_sms=true";
            return (uint)GetInt32Result(command);
        }
        
        public uint getTicketingCount()
        {
            string command = "SELECT COUNT(has_ticketing) FROM registration WHERE has_ticketing=true";
            return (uint)GetInt32Result(command);
        }
        public uint getRecordingsCount()
        {
            string command = "SELECT COUNT(has_recordings) FROM registration WHERE has_recordings=true";
            return (uint)GetInt32Result(command);
        }

        public uint getReportsCount()
        {
            string command = "SELECT count (has_reports) FROM registration WHERE has_reports = true";
            return (uint)GetInt32Result(command);
        }

        public uint getVoiceCount()
        {
            string command = "SELECT COUNT (has_voice) FROM registration WHERE has_voice = true";
            return (uint)GetInt32Result(command);
        }

        public uint getZonesCount()
        {
            string command = "SELECT COUNT (has_zones) FROM registration WHERE has_zones = true";
            return (uint)GetInt32Result(command);
        }

        public uint getTelemetryCount()
        {
            string command = "SELECT COUNT (has_telemetry) FROM registration WHERE has_telemetry = true";
            return (uint)GetInt32Result(command);
        }

        public uint getGoogleCount()
        {

            string command = "SELECT COUNT (map_type) FROM registration WHERE map_type=1";
            return (uint)GetInt32Result(command);
        }

        public uint getMapsUSCount()
        {
            string command = "SELECT COUNT (map_type) FROM registration WHERE map_type=2";
            return (uint)GetInt32Result(command);
        }

        public uint getOSMCount()
        {
            string command = "SELECT COUNT (map_type) FROM registration WHERE map_type=3";
            return (uint)GetInt32Result(command);
        }

        public uint getMapsArcgisCount()
        {
            string command = "SELECT COUNT (map_type) FROM registration WHERE map_type=4";
            return (uint)GetInt32Result(command);
        }

       
        public List<SDRegistration> getAllSafeDispatches()
        {
            List<SDRegistration> safeDispatches = new List<SDRegistration>();
            
            String query = "SELECT ip, has_gps, has_sms, has_ticketing, has_reports, has_voice, has_recordings, has_zones, has_telemetry, map_type FROM registration";


            try
            {
                using (NpgsqlConnection connection = new NpgsqlConnection())
                {

                    connection.ConnectionString = getConnectionString();
                    connection.Open();

                    using (NpgsqlCommand cmd = new NpgsqlCommand(query, connection))
                    {

                        using (NpgsqlDataReader reader = cmd.ExecuteReader())
                        {
                            while (reader.Read())
                            {
                                SDRegistration reg = new SDRegistration();
                                reg.ip          = reader["ip"].ToString();
                                reg.gps         = Convert.ToBoolean(reader["has_gps"]);
                                reg.sms         = Convert.ToBoolean(reader["has_sms"]);
                                reg.ticketing   = Convert.ToBoolean(reader["has_ticketing"]);
                                reg.reports     = Convert.ToBoolean(reader["has_reports"]);
                                reg.voice       = Convert.ToBoolean(reader["has_voice"]);
                                reg.recordings  = Convert.ToBoolean(reader["has_recordings"]);
                                reg.zones       = Convert.ToBoolean(reader["has_zones"]);
                                reg.telemetry   = Convert.ToBoolean(reader["has_telemetry"]);
                                reg.map_type    = Convert.ToInt16(reader["map_type"]);

                                reg.MapTypeS = "None";
                                switch (reg.map_type)
                                {
                                    case 1:
                                        reg.MapTypeS = "Google";
                                        break;
                                    case 2:
                                        reg.MapTypeS = "MapPoint US";
                                        break;
                                    case 3:
                                        reg.MapTypeS = "OpenStreetMap";
                                        break;
                                    case 4:
                                        reg.MapTypeS = "ArcGIS";
                                        break;
                                }

                                safeDispatches.Add(reg);
                            }
                        }
                    }
                }
            }
            catch (Exception e)
            {
                Console.WriteLine("Exception in DBRegistrationManager.getAllSafeDispatches: " + e.ToString());
            }
          
            return safeDispatches;
        }

        public Boolean getGateway(String ip)
        {
            
            Int32 count = 0;
            String query = $"SELECT COUNT(*) FROM gateways WHERE \"IP\" = '{ip}' AND active = true";

            try
            {
                using (NpgsqlConnection connection = new NpgsqlConnection())
                {

                    connection.ConnectionString = getConnectionString();
                    connection.Open();

                    using (NpgsqlCommand cmd = new NpgsqlCommand(query, connection))
                    {
                        using (NpgsqlDataReader reader = cmd.ExecuteReader())
                        {
                            reader.Read();
                            count = Int32.Parse(reader.GetValue(0).ToString());
                        }
                    }
                }
            }
            catch (Exception e)
            {
                Console.WriteLine("Exception in gatewaysCount: " + e.ToString());
            }
         

            return (count > 0);
        }

        public SDRegistration getSafeDispatchFeatures(String id)
        {
            SDRegistration reg = new SDRegistration();
            reg.ip = "invalid";
         
            String query = "SELECT ip, has_gps, has_sms, has_ticketing, has_reports, has_voice, has_recordings, has_zones, has_telemetry, map_type " +
                           $" FROM registration WHERE ip = '{id}'";


            try
            {
                using (NpgsqlConnection connection = new NpgsqlConnection())
                {

                    connection.ConnectionString = getConnectionString();
                    connection.Open();

                    using (NpgsqlCommand cmd = new NpgsqlCommand(query, connection))
                    {
                        using (NpgsqlDataReader reader = cmd.ExecuteReader())
                        {
                            while (reader.Read())
                            {
                                int i = 0;
                                reg.ip = reader.GetValue(i++).ToString();
                                reg.gps = (Boolean)reader.GetValue(i++);
                                reg.sms = (Boolean)reader.GetValue(i++);
                                reg.ticketing = (Boolean)reader.GetValue(i++);
                                reg.reports = (Boolean)reader.GetValue(i++);
                                reg.voice = (Boolean)reader.GetValue(i++);
                                reg.recordings = (Boolean)reader.GetValue(i++);
                                reg.zones = (Boolean)reader.GetValue(i++);
                                reg.telemetry = (Boolean)reader.GetValue(i++);
                                Int16 mType = Int16.Parse(reader.GetValue(i++).ToString());
                                reg.map_type = mType;
                            }
                        }
                    }
                }
            }
            catch (Exception e)
            {
                Console.WriteLine($"getAllSafeDispatches: {e.Message}");
            }
       
            return reg;
        }
    }
}