using System;
using System.Xml;
using System.Collections.Generic;
using System.Collections;
using System.Text;
using System.Data;
using System.IO;
using MySql.Data.MySqlClient;
using System.Windows.Forms;


namespace SafeMobileLib
{

    public class SMdb_accessmy
    {
        private MySqlConnection cnMY;
        private string m_server;
        private string m_dbname;
        private string m_user;
        private string m_password;

        public SMdb_accessmy()
        {
        }

        ~SMdb_accessmy() 
        {
            CloseConnection();
        }

        public void InitConnection(string p_server, string p_dbname, string p_user, string p_password, string p_port)
        {

            string MyConString = "server=" + p_server + ";" +                                    
                                    "uid=" + p_user + ";" +
                                    "pwd=" + p_password + ";" +
                                    "database=" + p_dbname + ";" +
                                    "PORT="+p_port+";" +
                                    "charset=utf8;"+
                                    "Pooling=false;";

            //Console.WriteLine("InitConnection: " + MyConString);
            cnMY= new MySqlConnection();
            cnMY.ConnectionString = MyConString;

            m_server = p_server;
            m_dbname = p_dbname;
            m_user = p_user;
            m_password = p_password;
            try
            {
                cnMY.Open();
            }
            catch (MySqlException o)
            {
                Console.WriteLine("File: SMdb_access.cs Meth: InitConnection " + o.Message.ToString());
                if (cnMY != null)
                {
                    cnMY.Close();
                    Console.WriteLine("CLOSE CONNECTION");
                }
                throw new ArgumentException(o.Message.ToString());
            }          
        }

        public Int32 get_subscriber_count()
        {
            MySqlCommand cmd;
            MySqlDataReader dr;
            int count = 0;
            try
            {
                cmd = new MySqlCommand("SELECT COUNT(*) from subscriber", cnMY);
                try
                {
                    dr = cmd.ExecuteReader();
                    if (dr.Read())
                        count = dr.GetInt32(0);
                    //Clean up.
                    dr.Close();
                }
                catch (MySqlException o)
                {
                    Console.Write("File: SMdb_access.cs Meth: get_IMEI : ");
                    Console.WriteLine(o.Message.ToString());
                }
            }
            catch (MySqlException o)
            {
                Console.WriteLine("File: SMdb_access.cs Meth: get_IMEI : " + o.Message.ToString());
                throw new ArgumentException(o.Message.ToString());
            }
            return count;

        }

        public void InsertXML(string p_message)
        {
            XmlDocument docXML = new XmlDocument();
            docXML.LoadXml(p_message);
            XmlElement leRoot = docXML.DocumentElement;
            XmlAttributeCollection attr = leRoot.Attributes;

            string id = attr["id"].InnerXml;
            switch (id)
            {
                case "100001":
                    insertSchedule(p_message);break;
                case "100010":
                    insertZone(p_message); break;
                case "100011":
                    insertDIevnt(p_message); break;
                case "100100":
                    insertIDLE(p_message); break;
                case "100111":
                    insertRFID(p_message); break;
                case "101010":
                    insertPoll(p_message); break;
                case "110000":
                    insertConnNotice(p_message); break;
                case "110010":
                    insertStopEvnt(p_message); break;
                default:
                    insertUnknown(p_message);
                    break;
            }

        }

        private uint DateTo70Format(DateTime param)
        {
            long nOfSeconds;
            Console.WriteLine("DateTo70Format param=" + param);
            System.DateTime dt70 = new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc);
            TimeSpan span = param - dt70;
            nOfSeconds = (long)span.TotalSeconds;
            return ((uint)nOfSeconds);
        }

        private void insertSchedule(string p_message)
        {
            try
            {
                MySqlCommand cmd;
                XmlDocument docXML = new XmlDocument();
                docXML.LoadXml(p_message);
                XmlElement leRoot = docXML.DocumentElement;
                XmlAttributeCollection attr = leRoot.Attributes;

                string query= "call insert_msg_pos('"+
                                attr["subscriber"].InnerXml+"','"+
                                attr["latitude"].InnerXml+"','"+
                                attr["longitude"].InnerXml+"','"+
                                attr["speed"].InnerXml+"','"+
                                attr["dgr"].InnerXml + "','" +
                                attr["di"].InnerXml+"','"+
                                attr["do"].InnerXml+"','"+
                                attr["time"].InnerXml+"','0',null);";

                Console.WriteLine(query);
                cmd = new MySqlCommand(query, cnMY);
                cmd.ExecuteNonQuery();
               
            }
            catch (MySqlException o)
            {
                Console.WriteLine("File: SMdb_access.cs Meth: insertSchedule  " + o.Message.ToString());
                throw new ArgumentException(o.Message.ToString());
            }
        }

        private void insertStopEvnt(string p_message)
        {
            try
            {
                MySqlCommand cmd;
                XmlDocument docXML = new XmlDocument();
                docXML.LoadXml(p_message);
                XmlElement leRoot = docXML.DocumentElement;
                XmlAttributeCollection attr = leRoot.Attributes;

                string query = "call insert_msg_stop('" +
                                attr["subscriber"].InnerXml + "','" +
                                attr["latitude"].InnerXml + "','" +
                                attr["longitude"].InnerXml + "','" +
                                attr["speed"].InnerXml + "','" +
                                attr["dgr"].InnerXml + "','" +
                                attr["di"].InnerXml + "','" +
                                attr["do"].InnerXml + "','" +
                                attr["time"].InnerXml + "');";

                Console.WriteLine(query);
                cmd = new MySqlCommand(query, cnMY);
                cmd.ExecuteNonQuery();

            }
            catch (MySqlException o)
            {
                Console.WriteLine("File: SMdb_access.cs Meth: insertStopEvnt " + o.Message.ToString());
                throw new ArgumentException(o.Message.ToString());
            }
        }

        private void insertZone(string p_message)
        {
            try
            {
                MySqlCommand cmd;
                XmlDocument docXML = new XmlDocument();
                docXML.LoadXml(p_message);
                XmlElement leRoot = docXML.DocumentElement;
                XmlAttributeCollection attr = leRoot.Attributes;

                string query = "call insert_msg_zone('" +
                                attr["subscriber"].InnerXml + "','" +
                                attr["latitude"].InnerXml + "','" +
                                attr["longitude"].InnerXml + "','" +
                                attr["speed"].InnerXml + "','" +
                                attr["dgr"].InnerXml + "','" +
                                attr["di"].InnerXml + "','" +
                                attr["do"].InnerXml + "','" +
                    //attr["time"].InnerXml + "','" +
                                attr["time"].InnerXml + "','1','" +
                    //attr["zone_id"].InnerXml + "','" +
                                attr["direction"].InnerXml + "');";

                Console.WriteLine(query);
                cmd = new MySqlCommand(query, cnMY);
                cmd.ExecuteNonQuery();

            }
            catch (MySqlException o)
            {
                Console.WriteLine("File: SMdb_access.cs Meth: insertZone " + o.Message.ToString());
                throw new ArgumentException(o.Message.ToString());
            }
        }

        private void insertDIevnt(string p_message)
        {
            try
            {
                MySqlCommand cmd;
                XmlDocument docXML = new XmlDocument();
                docXML.LoadXml(p_message);
                XmlElement leRoot = docXML.DocumentElement;
                XmlAttributeCollection attr = leRoot.Attributes;

                string query = "call insert_msg_di('" +
                                attr["subscriber"].InnerXml + "','" +
                                attr["latitude"].InnerXml + "','" +
                                attr["longitude"].InnerXml + "','" +
                                attr["speed"].InnerXml + "','" +
                                attr["dgr"].InnerXml + "','" +
                                attr["di"].InnerXml + "','" +
                                attr["do"].InnerXml + "','" +
                                attr["time"].InnerXml + "');";

                Console.WriteLine(query);
                cmd = new MySqlCommand(query, cnMY);
                cmd.ExecuteNonQuery();

            }
            catch (MySqlException o)
            {
                Console.WriteLine("File: SMdb_access.cs Meth: insertDIevnt " + o.Message.ToString());
                throw new ArgumentException(o.Message.ToString());
            }
        }
        private void insertIDLE(string p_message)
        {
            try
            {
                MySqlCommand cmd;
                XmlDocument docXML = new XmlDocument();
                docXML.LoadXml(p_message);
                XmlElement leRoot = docXML.DocumentElement;
                XmlAttributeCollection attr = leRoot.Attributes;

                string query = "call insert_msg_idle('" +
                                attr["subscriber"].InnerXml + "','" +
                                attr["latitude"].InnerXml + "','" +
                                attr["longitude"].InnerXml + "','" +
                                attr["speed"].InnerXml + "','" +
                                attr["dgr"].InnerXml + "','" +
                                attr["di"].InnerXml + "','" +
                                attr["do"].InnerXml + "','" +
                                attr["time"].InnerXml + "','" +
                                attr["ai5"].InnerXml + "');"; //idle time is stored in ai5 value

                Console.WriteLine(query);
                cmd = new MySqlCommand(query, cnMY);
                cmd.ExecuteNonQuery();

            }
            catch (MySqlException o)
            {
                Console.WriteLine("File: SMdb_access.cs Meth: insertIDLE " + o.Message.ToString());
                throw new ArgumentException(o.Message.ToString());
            }
        }
        private void insertRFID(string p_message)
        {
            try
            {
                MySqlCommand cmd;
                XmlDocument docXML = new XmlDocument();
                docXML.LoadXml(p_message);
                XmlElement leRoot = docXML.DocumentElement;
                XmlAttributeCollection attr = leRoot.Attributes;

                string query = "call insert_msg_rfid('" +
                                attr["subscriber"].InnerXml + "','" +
                                attr["latitude"].InnerXml + "','" +
                                attr["longitude"].InnerXml + "','" +
                                attr["speed"].InnerXml + "','" +
                                attr["dgr"].InnerXml + "','" +
                                attr["di"].InnerXml + "','" +
                                attr["do"].InnerXml + "','" +
                                attr["time"].InnerXml + "','" +
                                attr["RFID"].InnerXml + "');"; //idle time is stored in ai5 value

                Console.WriteLine(query);
                cmd = new MySqlCommand(query, cnMY);
                cmd.ExecuteNonQuery();

            }
            catch (MySqlException o)
            {
                Console.WriteLine("File: SMdb_access.cs Meth: insertIDLE " + o.Message.ToString());
                throw new ArgumentException(o.Message.ToString()); 
            }
        }

        private void insertPoll(string p_message)
        {
            try
            {
                MySqlCommand cmd;
                XmlDocument docXML = new XmlDocument();
                docXML.LoadXml(p_message);
                XmlElement leRoot = docXML.DocumentElement;
                XmlAttributeCollection attr = leRoot.Attributes;

                string query = "call insert_msg_poll('" +
                                attr["subscriber"].InnerXml + "','" +
                                attr["latitude"].InnerXml + "','" +
                                attr["longitude"].InnerXml + "','" +
                                attr["speed"].InnerXml + "','" +
                                attr["dgr"].InnerXml + "','" +
                                attr["di"].InnerXml + "','" +
                                attr["do"].InnerXml + "','" +
                                attr["time"].InnerXml + "','" +
                                attr["POLL_ID"].InnerXml + "');";

                Console.WriteLine(query);
                cmd = new MySqlCommand(query, cnMY);
                cmd.ExecuteNonQuery();

            }
            catch (MySqlException o)
            {
                Console.WriteLine("File: SMdb_access.cs Meth: insertPoll " + o.Message.ToString());
                throw new ArgumentException(o.Message.ToString());
            }
        }

        private void insertConnNotice(string p_message)
        {
            //TODO: insertConnNotice
        }

        private void insertUnknown(string p_message)
        {
            //TODO: insertUnknown
        }

        public ArrayList get_all_IMEI(int gateway_id)
        {
            ArrayList ret = new ArrayList();
            MySqlCommand cmd;
            MySqlDataReader dr;
            String Tmp = "(no imei)";
            try
            {                
                cmd = new MySqlCommand("SELECT s.imei from subscriber s, subs_gateway g where s.sc_id=g.sc_id and g.gateway_id="+gateway_id+" ORDER BY s.imei", cnMY);
                try
                {
                    dr = cmd.ExecuteReader();
                    while (dr.Read())
                    {
                        Tmp = dr.GetString(0);
                        ret.Add(Tmp);
                    }
                    dr.Close();
                }
                catch (MySqlException o)
                {
                    Console.Write("File: SMdb_access.cs Meth: get_IMEI : ");
                    Console.WriteLine(o.Message.ToString());
                }
            }
            catch (MySqlException o)
            {
                Console.WriteLine("File: SMdb_access.cs Meth: get_IMEI : "+o.Message.ToString());
                throw new ArgumentException(o.Message.ToString());
            }
            return ret;
        }

        public void updateStatus(string p_IMEI, int status, int di)
        {
            Boolean insertIMEI = false;
            MySqlCommand cmd;
            int stat = get_status(p_IMEI);

            if (stat == -1)
            {
                try
                {
                    string query = "INSERT INTO mototurbo VALUES('"+p_IMEI+"',"+status+"," + di +")";
                    Console.WriteLine(query);
                    cmd = new MySqlCommand(query, cnMY);
                    cmd.ExecuteNonQuery();

                    query = "INSERT INTO logmototurbo VALUES('" + p_IMEI + "'," + DateTo70Format(DateTime.Now.ToUniversalTime())+ "," + status + ",null)";
                    Console.WriteLine(query);
                    cmd = new MySqlCommand(query, cnMY);
                    cmd.ExecuteNonQuery();
                }
                catch (MySqlException o)
                {
                    Console.WriteLine("File: SMdb_access.cs Meth: INSERT STATUS " + o.Message.ToString());
                    throw new ArgumentException(o.Message.ToString());
                }
            }
            else if (stat != status)
            {
                try
                {
                    string query = "UPDATE mototurbo SET status =" + status + " where imei='" + p_IMEI + "'";
                    Console.WriteLine(query);
                    cmd = new MySqlCommand(query, cnMY);
                    cmd.ExecuteNonQuery();

                    query = "INSERT INTO logmototurbo VALUES('" + p_IMEI + "'," + DateTo70Format(DateTime.Now.ToUniversalTime()) + "," + status + ",null)";
                    Console.WriteLine(query);
                    cmd = new MySqlCommand(query, cnMY);
                    cmd.ExecuteNonQuery();

                }
                catch (MySqlException o)
                {
                    Console.WriteLine("File: SMdb_access.cs Meth: UPDATE STATUS " + o.Message.ToString());
                    insertIMEI = true;
                }
            }

        }

        public int get_status(String IMEI)
        {
            int status = -1;
            MySqlCommand cmd;
            MySqlDataReader dr;        
            try
            {
                cmd = new MySqlCommand("SELECT status from mototurbo where imei='"+IMEI+"'", cnMY);
                try
                {
                    dr = cmd.ExecuteReader();
                    while (dr.Read())
                    {
                        status = dr.GetInt32(0);                       
                    }
                    dr.Close();
                }
                catch (MySqlException o)
                {
                    Console.Write("File: SMdb_access.cs Meth: get_IMEI : ");
                    Console.WriteLine(o.Message.ToString());
                }
            }
            catch (MySqlException o)
            {
                Console.WriteLine("File: SMdb_access.cs Meth: get_IMEI : " + o.Message.ToString());
                throw new ArgumentException(o.Message.ToString());
            }
            return status;
        }

        public ArrayList get_sms_todeliver(int gateway_id)
        {
            ArrayList ret = new ArrayList();
            MySqlCommand cmd;
            MySqlDataReader dr;
            smsmessage obj;
            String Tmp = "(no imei)";
            try
            {
                cmd = new MySqlCommand("SELECT s.imei , m.timeGMT, m.idx, m.mess, s.sc_id from sms m, subscriber s, subs_gateway g where m.status=0 and s.sc_id=g.sc_id and g.gateway_id=" + gateway_id + " and s.sc_id=m.sc_id_dest ORDER BY m.timeGMT", cnMY);
                try
                {
                    dr = cmd.ExecuteReader();
                    while (dr.Read())
                    {
                        obj = new smsmessage();
                        obj.imei_dest = dr.GetString(0);
                        obj.timeGMT = dr.GetUInt32(1);
                        obj.idx = dr.GetInt32(2);
                        obj.mess = dr.GetString(3);
                        obj.sc_id_dest = dr.GetInt32(4);
                        obj.status = 0;
                        ret.Add(obj);
                    }
                    dr.Close();
                }
                catch (MySqlException o)
                {
                    Console.Write("File: SMdb_access.cs Meth: get_IMEI : ");
                    Console.WriteLine(o.Message.ToString());
                }
            }
            catch (MySqlException o)
            {
                Console.WriteLine("File: SMdb_access.cs Meth: get_IMEI : " + o.Message.ToString());
                throw new ArgumentException(o.Message.ToString());
            }
            return ret;
        }

        public void update_sms_delivered(int idxmess, int status)
        {
            // status = 1 : GW read the msg and delivered it
            // status = 2 : GW received the confirm from radio unit

            MySqlCommand cmd;
            try
            {
                string query = "UPDATE sms SET status=" + status + " where idx=" + idxmess;
                Console.WriteLine(query);
                cmd = new MySqlCommand(query, cnMY);
                cmd.ExecuteNonQuery();
            }
            catch (MySqlException o)
            {
                Console.WriteLine("File: SMdb_access.cs Meth: UPDATE STATUS " + o.Message.ToString());
            }
        }

        public void insert_sms_received(String imei, string mess, int type, string emailaddr)
        {
            MySqlCommand cmd;
            MySqlDataReader dr;
            Int32 sc_id=0;
            try
            {
                cmd = new MySqlCommand("SELECT sc_id from subscriber where imei='"+imei+"'", cnMY);
                try
                {
                    dr = cmd.ExecuteReader();
                    while (dr.Read())
                    {
                        sc_id = dr.GetInt32(0);
                    }
                    dr.Close();
                }
                catch (MySqlException o)
                {
                    Console.Write("File: SMdb_access.cs Meth: get_IMEI : ");
                    Console.WriteLine(o.Message.ToString());
                }
            }
            catch (MySqlException o)
            {
                Console.WriteLine("File: SMdb_access.cs Meth: get_IMEI : " + o.Message.ToString());
                throw new ArgumentException(o.Message.ToString());
            }
                        
            try
            {
                string query = "INSERT INTO sms VALUES(" + DateTo70Format(DateTime.Now.ToUniversalTime())+","+sc_id+",0,'"+mess+"',"+type+",null,'')";
                if (type == 7)
                    query = "INSERT INTO sms VALUES(" + DateTo70Format(DateTime.Now.ToUniversalTime()) + ",0," + sc_id + ",'" + mess + "'," + type + ",null,'" + emailaddr + "')";
                Console.WriteLine(query);
                cmd = new MySqlCommand(query, cnMY);
                cmd.ExecuteNonQuery();
            }
            catch (MySqlException o)
            {
                Console.WriteLine("File: SMdb_access.cs Meth: UPDATE STATUS " + o.Message.ToString());                
            }
        }

        public String ReadTimeLimit(String Code)
        {
            String Retur = "";
            try
            {
                MySqlCommand cmd;
                MySqlDataReader dr;
                cmd = new MySqlCommand("SELECT wait_name from run_wait where veh_name='" + Code + "'", cnMY);
                dr = cmd.ExecuteReader();
                if (dr.Read())
                {
                    Retur = dr.GetString(0);
                }
                dr.Close();
            }
            catch (MySqlException o)
            {
                Console.WriteLine("File: SMdb_access.cs Meth: ReadTimeLimit " + o.Message.ToString());
            }
            return Retur;
        }

        public void InsertTimeLimit(String Code, String Time)
        {
            MySqlCommand cmd;
            string query = "";
            try
            {
                query = "DELETE from run_wait where veh_name='" + Code + "'";
                cmd = new MySqlCommand(query, cnMY);
                cmd.ExecuteNonQuery();
                query = "INSERT INTO run_wait VALUES('" + Code + "'," + Time + ")";
                cmd = new MySqlCommand(query, cnMY);
                cmd.ExecuteNonQuery();
            }
            catch (MySqlException o)
            {
                Console.WriteLine("File: SMdb_access.cs Meth: run_wait " + o.Message.ToString());
                throw new ArgumentException(o.Message.ToString());
            }
        }

        public void insert_sms_sent2email(String imei, String mess, String email)
        {
            MySqlCommand cmd;
            MySqlDataReader dr;
            Int32 sc_id=0;
            try
            {
                cmd = new MySqlCommand("SELECT sc_id from subscriber where imei='" + imei + "'", cnMY);
                try
                {
                    dr = cmd.ExecuteReader();
                    while (dr.Read())
                    {
                        sc_id = dr.GetInt32(0);
                    }
                    dr.Close();
                }
                catch (MySqlException o)
                {
                    Console.Write("File: SMdb_access.cs Meth: get_IMEI : ");
                    Console.WriteLine(o.Message.ToString());
                }
            }
            catch (MySqlException o)
            {
                Console.WriteLine("File: SMdb_access.cs Meth: get_IMEI : " + o.Message.ToString());
                throw new ArgumentException(o.Message.ToString());
            }

            try
            {
                string query = "INSERT INTO sms VALUES(" + DateTo70Format(DateTime.Now.ToUniversalTime()) + "," + sc_id + ",0,'" + mess + "',5,null,'"+email+"')";
                Console.WriteLine(query);
                cmd = new MySqlCommand(query, cnMY);
                cmd.ExecuteNonQuery();
            }
            catch (MySqlException o)
            {
                Console.WriteLine("File: SMdb_access.cs Meth: UPDATE STATUS " + o.Message.ToString());
            }
        }
        
        public void CloseConnection()
        {
            if (cnMY != null)
                cnMY.Close();
        }

        public void updateDi(string p_IMEI, int di)
        {
            MySqlCommand cmd;
            try
            {
                string query = "UPDATE mototurbo SET di =" + di + " where imei='" + p_IMEI + "'";
                Console.WriteLine(query);
                cmd = new MySqlCommand(query, cnMY);
                cmd.ExecuteNonQuery();

            }
            catch (MySqlException o)
            {
                Console.WriteLine("File: SMdb_access.cs Meth: UPDATE STATUS " + o.Message.ToString());
            }
        }

        public Boolean addVehicleToDb(String _imei, String _user, String _name, String _serialNumber)
        {
            MySqlCommand cmd;
            MySqlDataReader Reader;
            try
            {
                cmd = new MySqlCommand("SELECT count(imei) FROM subscriber where imei='" + _imei + "'", cnMY);
                object temp = cmd.ExecuteScalar();

                if (temp.ToString() == "0")
                {
                    string id_subscriber = "", id_vehicle = "", id_user = "";

                    cmd = new MySqlCommand("INSERT INTO vehicle VALUES(null,'" + _serialNumber + "' ,'" + _name + "',1,0)", cnMY);
                    cmd.ExecuteNonQuery();

                    cmd = new MySqlCommand("INSERT INTO subscriber VALUES(null,'" + _imei + "')", cnMY);
                    cmd.ExecuteNonQuery();

                    //get vehicle id
                    cmd = new MySqlCommand("SELECT max(id) FROM vehicle ", cnMY);
                    Reader = cmd.ExecuteReader();
                    while (Reader.Read())
                    {
                        id_vehicle = Reader.GetInt32(0).ToString();
                    }
                    Reader.Close();

                    //get subscriber id
                    cmd = new MySqlCommand("SELECT max(sc_id) FROM subscriber ", cnMY);
                    Reader = cmd.ExecuteReader();
                    while (Reader.Read())
                    {
                        id_subscriber = Reader.GetInt32(0).ToString();
                    }
                    Reader.Close();

                    //get user id
                    cmd = new MySqlCommand("SELECT userId FROM users Where login ='" + _user + "'", cnMY);
                    Reader = cmd.ExecuteReader();
                    while (Reader.Read())
                    {
                        id_user = Reader.GetInt32(0).ToString();
                    }
                    Reader.Close();

                    if (id_vehicle.Length > 0 && id_subscriber.Length > 0 && id_user.Length > 0)
                    {
                        cmd = new MySqlCommand("INSERT INTO vehicle_user VALUES(" + id_vehicle + "," + id_user + ",'2007-01-01')", cnMY);
                        cmd.ExecuteNonQuery();

                        cmd = new MySqlCommand("INSERT INTO subscriber_history VALUES(" + id_subscriber + "," + id_vehicle + ",'2007-01-01',null)", cnMY);
                        cmd.ExecuteNonQuery();

                        cmd = new MySqlCommand("DELETE FROM lastpos where imei='" + _imei + "'", cnMY);
                        cmd.ExecuteNonQuery();

                        cmd = new MySqlCommand("INSERT INTO lastpos VALUES('" + _imei + "',1,42.06054,-88.02397,0,0,0,0,0)", cnMY);
                        cmd.ExecuteNonQuery();

                        cmd = new MySqlCommand("INSERT INTO subs_gateway VALUES(" + id_subscriber + "," + "1" + ")", cnMY);
                        cmd.ExecuteNonQuery();
                    }

                    MessageBox.Show("Vehicle " + _name + " added !", "successfuly!", MessageBoxButtons.OK, MessageBoxIcon.Asterisk);
                }
                else
                {
                    MessageBox.Show("There allready is a vehicle with IMEI : " + _imei + " in db ", "error!", MessageBoxButtons.OK, MessageBoxIcon.Error);
                    return false;
                }
            }
            catch (MySqlException ee)
            {
                Console.WriteLine(ee.Message + " " + ee.StackTrace + " " + ee.Source);
                MessageBox.Show("MySql connection Failed1 !!!!", "error", MessageBoxButtons.OK, MessageBoxIcon.Error);
                return false;
            }
            return true;
        }

        public void deleteVehicle(String _imei)
        {
            MySqlCommand cmd;
            MySqlDataReader Reader;
            try
            {
                String scid = "0";
                String vehid = "0";
                String vehname = "0";
                cmd = new MySqlCommand("SELECT count(imei) FROM subscriber where imei='" + _imei + "'", cnMY);
                object temp = cmd.ExecuteScalar();

                if (temp.ToString() != "0")
                {
                    cmd = new MySqlCommand("DELETE FROM lastpos where imei='" + _imei + "'", cnMY);
                    cmd.ExecuteNonQuery();

                    cmd = new MySqlCommand("SELECT sc_id FROM subscriber where imei='" + _imei + "'", cnMY);
                    Reader = cmd.ExecuteReader();
                    while (Reader.Read())
                    {
                        scid = Reader.GetInt32(0).ToString();
                    }
                    Reader.Close();

                    cmd = new MySqlCommand("SELECT veh_id FROM subscriber_history where sc_id=" + scid, cnMY);
                    Reader = cmd.ExecuteReader();
                    while (Reader.Read())
                    {
                        vehid = Reader.GetInt32(0).ToString();
                    }
                    Reader.Close();

                    cmd = new MySqlCommand("SELECT name FROM vehicle where id=" + vehid, cnMY);
                    Reader = cmd.ExecuteReader();
                    while (Reader.Read())
                    {
                        vehname = Reader.GetString(0);
                    }
                    Reader.Close();

                    cmd = new MySqlCommand("DELETE FROM didocode where vehName='" + vehname + "'", cnMY);
                    cmd.ExecuteNonQuery();

                    cmd = new MySqlCommand("DELETE FROM vehicle where id=" + vehid, cnMY);
                    cmd.ExecuteNonQuery();

                    cmd = new MySqlCommand("DELETE FROM vehicle_user where veh_id=" + vehid, cnMY);
                    cmd.ExecuteNonQuery();

                    cmd = new MySqlCommand("DELETE FROM subscriber_history where veh_id=" + vehid, cnMY);
                    cmd.ExecuteNonQuery();

                    cmd = new MySqlCommand("DELETE FROM subscriber where sc_id=" + scid, cnMY);
                    cmd.ExecuteNonQuery();

                    cmd = new MySqlCommand("DELETE FROM subs_gateway where sc_id=" + scid, cnMY);
                    cmd.ExecuteNonQuery();

                    cmd = new MySqlCommand("SELECT evnt_id FROM messages where evnt_id<>0 and sc_id=" + scid, cnMY);
                    Reader = cmd.ExecuteReader();
                    while (Reader.Read())
                    {
                        cmd = new MySqlCommand("DELETE FROM events where eventID=" + Reader.GetString(0), cnMY);
                        cmd.ExecuteNonQuery();
                    }
                    Reader.Close();

                    cmd = new MySqlCommand("DELETE FROM messages where sc_id=" + scid, cnMY);
                    cmd.ExecuteNonQuery();

                    try
                    {
                        cmd = new MySqlCommand("DELETE FROM subs_gateway where sc_id=" + scid, cnMY);
                        cmd.ExecuteNonQuery();
                    }
                    catch
                    {
                    }
                    MessageBox.Show("Delete IMEI finish.");

                }
                else
                {
                    MessageBox.Show("Vehicle Not in db", "error!", MessageBoxButtons.OK, MessageBoxIcon.Error);
                }
            }
            catch (MySqlException ee)
            {
                Console.WriteLine(ee.Message + " " + ee.StackTrace + " " + ee.Source);
                MessageBox.Show("MySql connection Failed2 !!!!", "error", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
        }

        public void editVehicle(String _id, String _name)
        {
            MySqlCommand cmd;
            try
            {
                cmd = new MySqlCommand("select count(id) from vehicle where id=\'" + _id + "\'", cnMY);
                object temp = cmd.ExecuteScalar();

                if (Convert.ToInt32(temp) > 0)
                {
                    cmd = new MySqlCommand("UPDATE vehicle SET name='" + _name + "' where id=" + _id, cnMY);
                    cmd.ExecuteNonQuery();
                    MessageBox.Show("Vehicle edited!", "successfuly!", MessageBoxButtons.OK, MessageBoxIcon.Asterisk);

                }
                else
                {
                    MessageBox.Show("Vehicle Not found in db", "error!", MessageBoxButtons.OK, MessageBoxIcon.Error);
                }
            }
            catch (MySqlException ee)
            {
                Console.WriteLine(ee.Message + " " + ee.StackTrace + " " + ee.Source);
                MessageBox.Show("MySql connection Failed3 !!!!", "error", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
        }

        public ArrayList getAllVehicles()
        {
            ArrayList vehList = new ArrayList();
            MySqlCommand cmd;
            MySqlDataReader Reader;
            cmd = new MySqlCommand("SELECT veh.id,sub.imei,veh.lp,veh.name"
                                                                                    + " FROM vehicle as veh"
                                                                                    + " INNER JOIN (subscriber_history as sh,subscriber as sub)"
                                                                                    + " on ( veh.id = sh.veh_id and sh.sc_id = sub.sc_id)"
                                                                                    + " Group by sub.imei"
                                                                                    + " ORDER BY sub.imei",cnMY);

            try
            {
                Reader = cmd.ExecuteReader();
                while (Reader.Read())
                {
                    Vehicles veh = new Vehicles(Convert.ToInt32(Reader.GetValue(0)), Reader.GetValue(1).ToString(), Reader.GetValue(2).ToString(), Reader.GetValue(3).ToString(), "");
                    vehList.Add(veh);
                }
            }
            catch (Exception ee)
            {
                Console.WriteLine(ee.Message + " " + ee.StackTrace + " " + ee.Source);
                MessageBox.Show("MySql connection Failed4 !!!!", "error", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
            return vehList;
        }

        public ArrayList getAllUsersForCurrentVehicle(String _id)
        {
            ArrayList userList = new ArrayList();
            MySqlCommand cmd;
            MySqlDataReader Reader;
            cmd = new MySqlCommand("SELECT firstName, lastName, login, password,userId FROM users as u"
                                                                        + " inner join( vehicle_user as vh)"
                                                                        + " on(vh.user_id=u.userID)"
                                                                        + " where vh.veh_id =" + _id.ToString()
                                                                        + " GROUP BY u.userId"
                                                                        , cnMY);
            try
            {
                Reader = cmd.ExecuteReader();
                while (Reader.Read())
                {
                    User usr = new User(Reader.GetValue(0).ToString(), Reader.GetValue(1).ToString(), Reader.GetValue(2).ToString(), Reader.GetValue(3).ToString(), Reader.GetInt32(4));
                    userList.Add(usr);
                }
            }
            catch (Exception ee)
            {
                Console.WriteLine(ee.Message + " " + ee.StackTrace + " " + ee.Source);
                MessageBox.Show("MySql connection Failed5 !!!!", "error", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
            return userList;
        }

        //get all users that ar not assigned to current vehicle
        public ArrayList getAllOtherUsersForCurrentVehicle(String _id)
        {
            ArrayList userList = new ArrayList();
            MySqlCommand cmd;
            MySqlDataReader Reader;
            cmd = new MySqlCommand("SELECT firstName, lastName, login, password,userId FROM users as u"
                                                                        + " WHERE u.userID NOT IN "
                                                                            + " (SELECT user_id FROM vehicle_user "
                                                                            + " WHERE veh_id =" + _id
                                                                        + ")"
                                                                        , cnMY);
            try
            {
                Reader = cmd.ExecuteReader();
                while (Reader.Read())
                {
                    User usr = new User(Reader.GetValue(0).ToString(), Reader.GetValue(1).ToString(), Reader.GetValue(2).ToString(), Reader.GetValue(3).ToString(), Convert.ToInt32(Reader.GetValue(4)));
                    userList.Add(usr);
                }
            }
            catch (Exception ee)
            {
                Console.WriteLine(ee.Message + " " + ee.StackTrace + " " + ee.Source);
                MessageBox.Show("MySql connection Failed6 !!!!", "error", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
            return userList;
        }

        public void addUserToDb(String _firstName, String _lastname, String _userName, String _password)
        {
            MySqlCommand cmd;
            try
            {
                cmd = new MySqlCommand("select count(login) from users where login=\'" + _userName + "\'", cnMY);
                object temp = cmd.ExecuteScalar();

                if (temp.ToString() == "0")
                {
                    cmd = new MySqlCommand("INSERT INTO users VALUES(null,'" + _firstName + "','" + _lastname + "','" + _userName + "','" + _password + "')", cnMY);
                    cmd.ExecuteNonQuery();
                    MessageBox.Show("user added !", "successfuly!", MessageBoxButtons.OK, MessageBoxIcon.Asterisk);

                }
                else
                {
                    MessageBox.Show("User allready in db or some fields are empty", "error!", MessageBoxButtons.OK, MessageBoxIcon.Error);
                }
            }
            catch (MySqlException ee)
            {
                Console.WriteLine(ee.Message + " " + ee.StackTrace + " " + ee.Source);
                MessageBox.Show("MySql connection Failed !!!!-1", "error", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
        }

        public void updateUserToDb(String _firstName, String _lastname, String _userName, String _password)
        {
            MySqlCommand cmd;
            try
            {
                cmd = new MySqlCommand("select count(login) from users where login=\'" + _userName + "\'", cnMY);
                object temp = cmd.ExecuteScalar();

                if (Convert.ToInt32(temp) > 0)
                {
                    cmd = new MySqlCommand("UPDATE users SET firstName='" + _firstName + "',lastName='" + _lastname + "',login='" + _userName + "',password='" + _password + "' WHERE login='" + _userName + "'", cnMY);
                    cmd.ExecuteNonQuery();
                    MessageBox.Show("user edited!", "successfuly!", MessageBoxButtons.OK, MessageBoxIcon.Asterisk);

                }
                else
                {
                    MessageBox.Show("User Not found in db", "error!", MessageBoxButtons.OK, MessageBoxIcon.Error);
                }
            }
            catch (MySqlException ee)
            {
                Console.WriteLine(ee.Message + " " + ee.StackTrace + " " + ee.Source);
                MessageBox.Show("MySql connection Failed !!!!0", "error", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }

        }

        public void deleteUser(string userName)
        {
            MySqlCommand cmd;
            try
            {
                cmd = new MySqlCommand("select count(login) from users where login=\'" + userName + "\'", cnMY);
                object temp = cmd.ExecuteScalar();

                if (temp.ToString() != "0")
                {
                    cmd = new MySqlCommand("DELETE FROM users where login='" + userName + "'", cnMY);
                    cmd.ExecuteNonQuery();
                    MessageBox.Show("user Deleted !", "successfuly!", MessageBoxButtons.OK, MessageBoxIcon.Asterisk);

                }
                else
                {
                    MessageBox.Show("User Not found in DB", "error!", MessageBoxButtons.OK, MessageBoxIcon.Error);
                }
            }
            catch (MySqlException ee)
            {
                Console.WriteLine(ee.Message + " " + ee.StackTrace + " " + ee.Source);
                MessageBox.Show("MySql connection Failed !!!!1", "error", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
        }

        //get all users
        public ArrayList getAllUsers()
        {
            ArrayList userList = new ArrayList();
            MySqlCommand cmd;
            MySqlDataReader Reader;
            cmd = new MySqlCommand("SELECT firstName, lastName, login, password,userId FROM users", cnMY);
            try
            {
                Reader = cmd.ExecuteReader();
                while (Reader.Read())
                {
                    User usr = new User(Reader.GetValue(0).ToString(), Reader.GetValue(1).ToString(), Reader.GetValue(2).ToString(), Reader.GetValue(3).ToString(), Convert.ToInt32(Reader.GetValue(4)));
                    userList.Add(usr);
                }
            }
            catch (Exception ee)
            {
                Console.WriteLine(ee.Message + " " + ee.StackTrace + " " + ee.Source);
                MessageBox.Show("MySql connection Failed !!!!2", "error", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
            return userList;
        }

        //get all vehicles for current user
        public ArrayList getAllVehiclesForCurrentUser(String _id)
        {
            ArrayList vehList = new ArrayList();
            MySqlCommand cmd;
            MySqlDataReader Reader;
            cmd = new MySqlCommand("SELECT veh.id,sub.imei,veh.lp,veh.name"
                                                            + " FROM vehicle as veh"
                                                            + " INNER JOIN (subscriber_history as sh,subscriber as sub)"
                                                            + " on ( veh.id = sh.veh_id and sh.sc_id = sub.sc_id)"
                                                            + " inner join( vehicle_user as vh)"
                                                            + " on(vh.veh_id=veh.id)"
                                                            + " Where vh.user_id=" + _id.ToString()
                                                            + " Group by sub.imei"
                                                            + " ORDER BY sub.imei", cnMY);
            try
            {
                Reader = cmd.ExecuteReader();
                while (Reader.Read())
                {
                    Vehicles veh = new Vehicles(Convert.ToInt32(Reader.GetValue(0)), Reader.GetValue(1).ToString(), Reader.GetValue(2).ToString(), Reader.GetValue(3).ToString(), "");
                    vehList.Add(veh);
                }
            }
            catch (Exception ee)
            {
                Console.WriteLine(ee.Message + " " + ee.StackTrace + " " + ee.Source);
                MessageBox.Show("MySql connection Failed !!!!3", "error", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
            return vehList;
        }

        //get all vehicles that ar not assigned to current user
        public ArrayList getAllOtherVehiclesForCurrentUser(String _id)
        {
            ArrayList vehList = new ArrayList();
            MySqlCommand cmd;
            MySqlDataReader Reader;
            cmd = new MySqlCommand("SELECT veh.id,sub.imei,veh.lp,veh.name"
                                                                        + " FROM vehicle as veh"
                                                                        + " INNER JOIN (subscriber_history as sh,subscriber as sub)"
                                                                        + " on ( veh.id = sh.veh_id and sh.sc_id = sub.sc_id)"
                                                                        + " LEFT join( vehicle_user as vh)"
                                                                        + " on(vh.veh_id=veh.id)"
                                                                        + " WHERE veh.id NOT IN "
                                                                            + " (SELECT veh_id FROM vehicle_user "
                                                                            + " WHERE user_id =" + _id.ToString()
                                                                        + ")"
                                                                        + " Group by sub.imei"
                                                                        + " ORDER BY sub.imei", cnMY);
            try
            {
                Reader = cmd.ExecuteReader();
                while (Reader.Read())
                {
                    Vehicles veh = new Vehicles(Convert.ToInt32(Reader.GetValue(0)), Reader.GetValue(1).ToString(), Reader.GetValue(2).ToString(), Reader.GetValue(3).ToString(), "");
                    vehList.Add(veh);
                }
            }
            catch (Exception ee)
            {
                Console.WriteLine(ee.Message + " " + ee.StackTrace + " " + ee.Source);
                MessageBox.Show("MySql connection Failed !!!!4", "error", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
            return vehList;

        }
        // add connection between user and vehicle
        public void addVehicleUserConnection(string vehId, string userId)
        {
            MySqlCommand cmd;
            try
            {
                cmd = new MySqlCommand("INSERT INTO vehicle_user VALUES(" + vehId + "," + userId + ",'2007-01-01')", cnMY);
                cmd.ExecuteNonQuery();
            }
            catch (Exception ee)
            {
                Console.WriteLine(ee.Message + " " + ee.StackTrace + " " + ee.Source);
                MessageBox.Show("MySql connection Failed !!!!5", "error", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }

        }
        //remove connection between user and vehicle
        public void removeVehicleUserConnection(string vehId, string userId)
        {
            MySqlCommand cmd;
            try
            {
                cmd = new MySqlCommand("DELETE FROM vehicle_user WHERE veh_id ='" + vehId + "' and user_id='" + userId + "'", cnMY);
                cmd.ExecuteNonQuery();

            }
            catch (Exception ee)
            {
                Console.WriteLine(ee.Message + " " + ee.StackTrace + " " + ee.Source);
                MessageBox.Show("MySql connection Failed !!!!6", "error", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
        }

          
    }
}