using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Text;
using System.Text.RegularExpressions;
using GsmComm.GsmCommunication;
using GsmComm.Interfaces;
using GsmComm.PduConverter;
using GsmComm.Server;
using System.IO;
using System.Data.OleDb;
using System.Management;

namespace Payroll.BO
{
    [Serializable]
    public class SMSSender
    {
        private int[] ComPorts = { 1, 2, 3, 4, 5, 6, 7, 8 };
        private int[] BaudRates = { 9600, 19200, 38400, 57600, 115200 };
        private int[] TimeOuts = { 150, 300, 600, 900, 1200, 1500, 1800, 2000 };

        private Int16 Comm_Port = 0;
        private Int32 Comm_BaudRate = 0;
        private Int32 Comm_TimeOut = 0;
        private GsmCommMain comm;
        private List<Port> ports;
        private Phone phone;
        private Port validPort;

        public String CellNumber { get; set; }
        public String SMSMessage { get; set; }

        #region private Functions

        private bool PortFound()
        {
            // for Receiving maximum
            Array.Sort(TimeOuts);
            Array.Reverse(TimeOuts);

            foreach (int comp in ComPorts)
            {
                foreach (var baud in BaudRates)
                {
                    foreach (var tmOut in TimeOuts)
                    {
                        Port port = new Port();
                        port.ComPort = comp;
                        port.ConnDevice = "";
                        port.MaxBaudRate = baud;
                        port.Status = "";
                        port.TimeOut = tmOut.ToString();

                        try
                        {
                            Comm_Port = (short)port.ComPort;
                            Comm_BaudRate = (int)port.MaxBaudRate;
                            Comm_TimeOut = Convert.ToInt32(port.TimeOut);
                        }
                        catch (Exception e1)
                        {
                            // Console.WriteLine("Error Converting COM Port Settings Values" + " Check COM Port Values");
                            continue;
                        }
                        comm = new GsmCommMain(Comm_Port, Comm_BaudRate, Comm_TimeOut);

                        try
                        {

                            comm.Open();
                            if (comm.IsConnected())
                            {
                                phone = new Phone();
                                try
                                {
                                    phone.Name = comm.IdentifyDevice().Manufacturer.ToUpper().ToString();
                                    phone.Model = comm.IdentifyDevice().Model.ToUpper().ToString();
                                    phone.RevisionNumber = comm.IdentifyDevice().Revision.ToUpper().ToString();
                                    phone.SerialNumber = comm.IdentifyDevice().SerialNumber.ToUpper().ToString();
                                    validPort = port;
                                    return true;
                                }
                                catch (Exception e2)
                                {
                                    continue;
                                }
                            }
                        }
                        catch (Exception e3)
                        {
                            continue;
                        }
                    }
                }
            }

            return false;
        }

        private bool ValidNumber()
        {
            Match matchNumber;

            switch (CellNumber.Trim().Length)
            {
                case 11:
                    if (checkStarting(0))
                    {
                        matchNumber = Regex.Match(CellNumber, "[0-9]+");
                        if (matchNumber.Success)
                            return true;
                    }
                    break;

                case 14:
                    if (checkStarting(3))
                    {
                        matchNumber = Regex.Match(CellNumber, "[+]88[0-9]+");
                        if (matchNumber.Success)
                            return true;
                    }
                    break;
                case 15:
                    if (checkStarting(4))
                    {
                        matchNumber = Regex.Match(CellNumber, "0088[0-9]+");
                        if (matchNumber.Success)
                            return true;
                    }
                    break;
                default:
                    return false;

            }

            return false;

        }

        private bool checkStarting(int start)
        {
            String subString = CellNumber.Substring(start, 3);
            if (subString == "011" || subString == "015" || subString == "016" || subString == "017" || subString == "018" || subString == "019")
                return true;
            return false;
        }

        //private bool ValidPortSelect()
        // {
        //     foreach (Port port in ports)
        //     {
        //         try
        //         {
        //             Comm_Port = Convert.ToInt16(port.ComPort.ToString().Substring(3));
        //             Comm_BaudRate = Convert.ToInt32(port.MaxBaudRate.ToString());
        //             Comm_TimeOut = Convert.ToInt32(port.TimeOut);
        //         }
        //         catch (Exception e1)
        //         {
        //            // Console.WriteLine("Error Converting COM Port Settings Values" + " Check COM Port Values");
        //             continue;
        //         }
        //         comm = new GsmCommMain(Comm_Port, Comm_BaudRate, Comm_TimeOut);

        //         try
        //         {

        //             comm.Open();
        //             if (comm.IsConnected())
        //             {
        //                 phone = new Phone();
        //                 try
        //                 {
        //                     phone.Name = comm.IdentifyDevice().Manufacturer.ToUpper().ToString();
        //                     phone.Model = comm.IdentifyDevice().Model.ToUpper().ToString();
        //                     phone.RevisionNumber = comm.IdentifyDevice().Revision.ToUpper().ToString();
        //                     phone.SerialNumber = comm.IdentifyDevice().SerialNumber.ToUpper().ToString();
        //                     validPort = port;
        //                     return true;
        //                 }
        //                 catch (Exception e2)
        //                 {
        //                     continue;
        //                 }
        //             }
        //         }
        //         catch (Exception e3)
        //         {
        //              continue;
        //         }
        //     }
        //     return false;
        // }

        //private void GeneratePortList()
        // {
        //     ports = new List<Port>();
        //     try
        //     {
        //         //   Cursor.Current = Cursors.WaitCursor;

        //         //ManagementObjectSearcher searcher = new ManagementObjectSearcher("root\\CIMV2", "SELECT * FROM Win32_SerialPort");

        //         //foreach (ManagementObject queryObj in searcher.Get())
        //         //{

        //         //    if (queryObj != null)
        //         //    {
        //         //        Port port = new Port();
        //         //        port.ComPort = queryObj["DEVICEID"];        //0
        //         //        port.ConnDevice = queryObj["DESCRIPTION"];  //1
        //         //        port.MaxBaudRate = queryObj["MAXBAUDRATE"]; //2
        //         //        port.Status = queryObj["STATUS"];          //4
        //         //        port.TimeOut = "100";                       //3

        //         //        ports.Add(port);
        //         //    }
        //         //}

        //         foreach (int comp in ComPorts)
        //         {
        //             foreach (var baud in BaudRates)
        //             {
        //                 foreach (var tmOut in TimeOuts)
        //                 {
        //                     Port port = new Port();
        //                     port.ComPort = comp;        //0
        //                     port.ConnDevice = "";  //1
        //                     port.MaxBaudRate = baud; //2
        //                     port.Status = "";          //4
        //                     port.TimeOut = tmOut.ToString();                       //3

        //                     ports.Add(port);
        //                     //dataGridView3.Rows.Add("COM" + comp, "", baud, tmOut, "Open");
        //                 }
        //             }
        //         }
        //     }

        //     catch (Exception e15)
        //     {
        //        throw new Exception("An error occurred while querying for WMI data: " + e15.Message);
        //     }

        // }

        #endregion

        public void SendSMS()
        {
            //GeneratePortList();

            //if (!ValidPortSelect())
            //{
            //    return;
            //}

            if (!PortFound())
            {
                throw new Exception("No Port Found for sending SMS");
            }
            SmsSubmitPdu pdu1;

            try
            {

                if (comm.IsConnected())
                {
                    if (!ValidNumber())
                    {
                        throw new Exception("Invalid Mobile No");
                    }
                    else if (SMSMessage.Trim() == "")
                    {
                        SMSMessage = "Blank SMS";
                    }

                    try
                    {
                        pdu1 = new SmsSubmitPdu(SMSMessage, CellNumber, "");
                        comm.SendMessage(pdu1);
                    }
                    catch (Exception e)
                    {
                        throw new Exception("Could Not Send SMS due To: \r\n" + e.Message);
                    }
                    finally
                    {
                        comm.Close();
                    }
                }
                else
                {
                    throw new Exception("No GSM Phone / Modem Connected");
                }
            }
            catch (Exception E10)
            {
                if (comm.IsConnected()) comm.Close();
                throw new Exception(E10.Message);
            }
        }

    }

    internal class Port
    {
        public object ComPort { get; set; }
        public object ConnDevice { get; set; }
        public object MaxBaudRate { get; set; }
        public string TimeOut { get; set; }
        public object Status { get; set; }
    }

    internal class Phone
    {
        public String Name { get; set; }
        public String Model { get; set; }
        public String RevisionNumber { get; set; }
        public String SerialNumber { get; set; }

    }
}