using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using Telerik.WinControls;
using Telerik.WinControls.UI;
using SafeMobileLib;
using ThoughtWorks.QRCode.Codec;
using ThoughtWorks.QRCode.Codec.Data;
using ThoughtWorks.QRCode.Codec.Util;
using System.Net.Mail;
using System.IO;
using System.Net.Mime;
using System.Threading;
using Telerik.WinControls.Layouts;
using Telerik.WinControls.Enumerations;

namespace SubscriberAndUserManager
{
    public partial class VehiclesMobileForm : Telerik.WinControls.UI.RadForm
    {
        int SC_id = -1;
        public VehiclesMobileForm(string RadioIMEI, string unitName)
        {
            InitializeComponent();
        

            LoadUnit(RadioIMEI, unitName);
            // event on email message complete
            emailServerSSL.OnMailSendComplete += delegate(bool result)
            {
                this.Invoke((MethodInvoker)delegate
                {
                    if (!result)
                        //    RadMessageBox.Show("Email settings are invalid", "Send Email Failed", MessageBoxButtons.OK, RadMessageIcon.Error);
                        //else
                        //    RadMessageBox.Show("Email has been sent.", "Send Email Success", MessageBoxButtons.OK, RadMessageIcon.Info);
                        CustomMessageBox.Show(CustomMessageBoxType.exclamation, "Email settings are invalid", "Send Email Failed");
                    else
                        CustomMessageBox.Show(CustomMessageBoxType.check, "Email has been sent.", "Send Email Success");
                });
            };
            RadButtonElement button = new RadButtonElement();
            button.Click += delegate(object sender, EventArgs e)
            {
                if (tbSipPswd.PasswordChar.Equals('*'))
                {
                    tbSipPswd.PasswordChar = tbSipLogin.PasswordChar;
                }
                else
                {
                    tbSipPswd.PasswordChar = '*';
                }
            };
            button.Padding = new Padding(0, 0, 0, 0);
            button.Margin = new Padding(0, 0, 0, 0);
            button.Image = SubscriberAndUserManager.Properties.Resources.eye2;
            button.Size = new System.Drawing.Size(18, 18);
            RadTextBoxItem tbItem = tbSipPswd.TextBoxElement.TextBoxItem;
            tbSipPswd.TextBoxElement.Children.Remove(tbItem);
            StackLayoutElement stackPanel = new StackLayoutElement();
            stackPanel.Orientation = Orientation.Horizontal;
            stackPanel.Margin = new Padding(0, 0, 0, 0);
            stackPanel.Children.Add(button);
            DockLayoutPanel dockPanel = new DockLayoutPanel();
            dockPanel.Children.Add(stackPanel);
            dockPanel.Children.Add(tbItem);
            DockLayoutPanel.SetDock(tbItem, Telerik.WinControls.Layouts.Dock.Left);
            DockLayoutPanel.SetDock(stackPanel, Telerik.WinControls.Layouts.Dock.Right);
            tbSipPswd.TextBoxElement.Children.Add(dockPanel);
            tbSipPswd.TextBoxElement.Padding = new Padding(2, 0, 0, 0);
            tbItem.Margin = new Padding(0, 0, 0, 0);
        }

        public VehiclesMobileForm()
        {
            // TODO: Complete member initialization
        }

        private string sip_server_ip = "";
        private string web_service_ip = "";
        private string LanIP = "";
        private string NatIP = "";
        private string LanSipPort = "";
        private string NatSipPort = "";
        private string LanSigPort = "";
        private string NatSigPort = "";

        private DBsettingsManager DBSettings;
        private DBvehiclesManager DBvehicle;
        private EmailService eService;
        private EmailServerSSL emailServerSSL = new EmailServerSSL();

        private DBemailServiceManager DBEmailService;

        private void LoadUnit(string RadioIMEI, string unitName)
        {
            tbRadioIMEI.Text = RadioIMEI;
            tbName.Text = unitName;
            tbFirstName.Text = VehiclesForm.mobile.FirstName;
            tbLastName.Text = VehiclesForm.mobile.LastName;
            tbPhoneType.Text = VehiclesForm.mobile.PhoneType;
            tbSipPswd.Text = VehiclesForm.mobile.SipPswd;
            tbEmail.Text = VehiclesForm.mobile.Email;
            tbSipLogin.Text = VehiclesForm.mobile.SipLogin;
            chbGPS.Checked = VehiclesForm.mobile.HasGPS;
            chbSMS.Checked = VehiclesForm.mobile.HasText;
            chbVoice.Checked = VehiclesForm.mobile.HasVoice;
            chbTicketing.Checked = VehiclesForm.mobile.HasTicketing;
            chbLoneWorker.Checked = VehiclesForm.mobile.IsLoneWorker;
            cbManDown.Checked = VehiclesForm.mobile.HasManDown;
            cbEmergency.Checked = VehiclesForm.mobile.HasEmergency;
            tbLoneworkerInterval.Value = VehiclesForm.mobile.LoneWorkerInterval;
            SC_id = VehiclesForm.mobile.Id;
            DBSettings = new DBsettingsManager(MainForm.DBServer, MainForm.DBSchema, MainForm.DBUser, MainForm.DBPass, MainForm.DBPort);
            DBvehicle = new DBvehiclesManager(MainForm.DBServer, MainForm.DBSchema, MainForm.DBUser, MainForm.DBPass, MainForm.DBPort);
            DBEmailService = new DBemailServiceManager(MainForm.DBServer, MainForm.DBSchema, MainForm.DBUser, MainForm.DBPass, MainForm.DBPort);
            if(VehiclesForm.isNEW == true)
            {
                chbGPS.Checked = chbSMS.Checked = chbVoice.Checked = /*chbLoneWorker.Checked = cbManDown.Checked =*/ true;
                chbTicketing.Checked = false;
            }
            sip_server_ip = DBSettings.getSettingValue(0, "lanLinxServer") + ":" + DBSettings.getSettingValue(0, "lanSipPort");
            web_service_ip = DBSettings.getSettingValue(0, "lanLinxServer") + ":" + DBSettings.getSettingValue(0, "lanSigPort");
            LanIP = DBSettings.getSettingValue(0, "lanLinxServer");
            NatIP = DBSettings.getSettingValue(0, "natLinxServer");
            LanSipPort = DBSettings.getSettingValue(0, "lanSipPort");
            NatSipPort = DBSettings.getSettingValue(0, "natSipPort");
            LanSigPort = DBSettings.getSettingValue(0, "lanSigPort");
            NatSigPort = DBSettings.getSettingValue(0, "natSigPort");
            eService = DBEmailService.GetEmailServiceSettings();
            if (LanIP != "" && NatIP != "" && LanSigPort != "" && LanSipPort != "" && NatSipPort != "" && NatSigPort != "" 
                && tbSipLogin.Text!= "" && tbSipPswd.Text !="")
                btnEncode.PerformClick();
            gbQRSettings.Enabled = web_service_ip != "";
            if(RadioIMEI.Contains(","))
            {
                PrepareControlsForMultiEdit(this);
            }
        }

        private void PrepareControlsForMultiEdit(Control container)
        {
            foreach (Control c in container.Controls)
            {
                c.Enabled = false;
            }
            gbQRSettings.Enabled = true;
            foreach (Control x in gbQRSettings.Controls)
            {
                x.Enabled = x is RadCheckBox;
                if (x is RadCheckBox)
                {
                    ((RadCheckBox)x).IsThreeState = true;
                    ((RadCheckBox)x).ToggleState = ToggleState.Indeterminate;
                }
            }
            btnAdd.Enabled = true;        
        }

        private void SaveUnit()
        {
            VehiclesForm.mobile.FirstName = tbFirstName.Text;
            VehiclesForm.mobile.LastName = tbLastName.Text;
            VehiclesForm.mobile.PhoneType = tbPhoneType.Text;
            VehiclesForm.mobile.SipPswd = tbSipPswd.Text;
            VehiclesForm.mobile.CanUpdate = true;
            VehiclesForm.mobile.Email = tbEmail.Text;
            VehiclesForm.mobile.SipLogin = tbSipLogin.Text;
            VehiclesForm.mobile.HasGPS = chbGPS.Checked;
            VehiclesForm.mobile.HasText = chbSMS.Checked;
            VehiclesForm.mobile.HasVoice = chbVoice.Checked;
            VehiclesForm.mobile.IsLoneWorker = chbLoneWorker.Checked;
            VehiclesForm.mobile.HasManDown = cbManDown.Checked;
            VehiclesForm.mobile.HasEmergency = cbEmergency.Checked;
            VehiclesForm.mobile.LoneWorkerInterval = (int)tbLoneworkerInterval.Value;
            VehiclesForm.mobile.IMEI = VehiclesForm.mobile.Company = VehiclesForm.mobile.OS = "";
            VehiclesForm.mobile.ToggleStateDictionary = new Dictionary<string, bool>();
            VehiclesForm.mobile.AddToHashTableThreeState("HasGPS", chbGPS.ToggleState == ToggleState.Indeterminate);
            VehiclesForm.mobile.AddToHashTableThreeState("HasText", chbSMS.ToggleState == ToggleState.Indeterminate);
            VehiclesForm.mobile.AddToHashTableThreeState("HasVoice", chbVoice.ToggleState == ToggleState.Indeterminate);
            VehiclesForm.mobile.AddToHashTableThreeState("IsLoneWorker", chbLoneWorker.ToggleState == ToggleState.Indeterminate);
            VehiclesForm.mobile.AddToHashTableThreeState("HasManDown", cbManDown.ToggleState == ToggleState.Indeterminate);
            VehiclesForm.mobile.AddToHashTableThreeState("HasEmergency", cbEmergency.ToggleState == ToggleState.Indeterminate);
            //VehiclesForm.mobile.HasTicketing = chbTicketing.Checked;
            VehiclesForm.mobile.HasTicketing = false;
        }

        private void btnExit_Click(object sender, EventArgs e)
        {
            this.Close();
        }

        private void btnAdd_Click(object sender, EventArgs e)
        {
            if (!DBvehicle.isUniqueLogin(tbSipLogin.Text, (SC_id == 0 ? -1 : SC_id)))
            {
                if (tbSipLogin.Text != "")
                {
                    CustomMessageBox.Show(CustomMessageBoxType.exclamation, "Duplicate SIP Login!", MainForm.returnLNGString("err"));
                    return;
                }
            }
            if (!Utils.IsValidEmail(tbEmail.Text) && tbEmail.Text != "")
            {
                CustomMessageBox.Show(CustomMessageBoxType.exclamation, "Invalid Email!", MainForm.returnLNGString("err"));
                return;
            }
            foreach(Control x in this.Controls)
            {
                if(x is RadTextBox)
                {
                    x.Text = FixComma(x.Text);
                }
            }
            SaveUnit();
            VehiclesForm.hasModifiedMobile = true;
            //this.Close();
        }

        public static String FixComma(String s)
        {
            if (s == null)
                return "";
            else
            {
                String tmp = s;
                tmp = tmp.Replace(',', ' ');
                tmp = tmp.Replace('\'', '`');
                return tmp;
            }
        }

        private void btnEncode_Click(object sender, EventArgs e)
        {
            if( sip_server_ip == "")
            {
                CustomMessageBox.Show(CustomMessageBoxType.exclamation, "SIP Server IP missing!", MainForm.returnLNGString("err"));
                return;
            }
            if (web_service_ip == "")
            {
                CustomMessageBox.Show(CustomMessageBoxType.exclamation, "WEB Service IP missing!", MainForm.returnLNGString("err"));
                return;
            }
            if (tbSipPswd.Text == "")
            {
                CustomMessageBox.Show(CustomMessageBoxType.exclamation, "SIP Password missing!", MainForm.returnLNGString("err"));
                return;
            }
            if (tbSipPswd.Text.ToString().Length < 4)
            {
                CustomMessageBox.Show(CustomMessageBoxType.exclamation, MainForm.returnLNGString("linxPswsLength"), MainForm.returnLNGString("err"));
                return;
            }
            if (tbSipLogin.Text == "")
            {
                CustomMessageBox.Show(CustomMessageBoxType.exclamation, "SIP Login missing!", MainForm.returnLNGString("err"));
                return;
            }
            else
            {
                if (!DBvehicle.isUniqueLogin(tbSipLogin.Text, (SC_id == 0 ? -1 : SC_id)))
                {
                    CustomMessageBox.Show(CustomMessageBoxType.exclamation, "Duplicate SIP Login!", MainForm.returnLNGString("err"));
                    return;
                }
            }


            //String data = string.Format("{{ \"sip_server_ip\": \"{0}\", \"web_service_ip\" : \"{1}\", \"sip_login\" : \"{2}\", \"sip_pswd\" : \"{3}\" }}"
            //    , sip_server_ip, web_service_ip, tbSipLogin.Text, tbSipPswd.Text);
            string data = $"{{\"lan\":\"{LanIP}\", \"nat\":\"{NatIP}\",\"sip\":\"{LanSipPort}\",\"lsig\":\"{LanSigPort}\",\"nsig\":\"{NatSigPort}\",\"login\" : \"{tbSipLogin.Text}\", \"pswd\" : \"{tbSipPswd.Text}\"}}";
            TripleDESEncryption tes = new TripleDESEncryption();
            String encrypted = tes.Encrypt(data);

            QRCodeEncoder qrCodeEncoder = new QRCodeEncoder();
            qrCodeEncoder.QRCodeEncodeMode = QRCodeEncoder.ENCODE_MODE.BYTE;
            qrCodeEncoder.QRCodeScale = 2;
            qrCodeEncoder.QRCodeVersion = 12;
            qrCodeEncoder.QRCodeErrorCorrect = QRCodeEncoder.ERROR_CORRECTION.M;
            Image image;
            
            image = qrCodeEncoder.Encode(encrypted);
            picEncode.Image = image;
        }

        private void btnSave_Click(object sender, EventArgs e)
        {
            saveFileDialog1.Filter = "JPeg Image|*.jpg|Bitmap Image|*.bmp|Gif Image|*.gif|PNG Image|*.png";
            saveFileDialog1.Title = "Save";
            saveFileDialog1.FileName = string.Empty;
            saveFileDialog1.ShowDialog();
            try
            {
                // If the file name is not an empty string open it for saving.
                if (saveFileDialog1.FileName != "")
                {
                    // Saves the Image via a FileStream created by the OpenFile method.
                    System.IO.FileStream fs =
                       (System.IO.FileStream)saveFileDialog1.OpenFile();
                    // Saves the Image in the appropriate ImageFormat based upon the
                    // File type selected in the dialog box.
                    // NOTE that the FilterIndex property is one-based.
                    switch (saveFileDialog1.FilterIndex)
                    {
                        case 1:
                            this.picEncode.Image.Save(fs,
                               System.Drawing.Imaging.ImageFormat.Jpeg);
                            break;

                        case 2:
                            this.picEncode.Image.Save(fs,
                               System.Drawing.Imaging.ImageFormat.Bmp);
                            break;

                        case 3:
                            this.picEncode.Image.Save(fs,
                               System.Drawing.Imaging.ImageFormat.Gif);
                            break;
                        case 4:
                            this.picEncode.Image.Save(fs,
                               System.Drawing.Imaging.ImageFormat.Png);
                            break;
                    }

                    fs.Close();
                }
            }
            catch(Exception ex)
            {
                RadMessageBox.Show(ex.ToString());
            }
        }

        private void btnEmailQR_Click(object sender, EventArgs e)
        {
            if (!Utils.IsValidEmail(tbEmail.Text))
            {
                CustomMessageBox.Show(CustomMessageBoxType.exclamation, "Invalid Email!", MainForm.returnLNGString("err"));
                return;
            }
            sendMail(tbEmail.Text);

        }

        private void sendMail(string mailAdr)
        {
            if (tbRadioIMEI.Text == "")
            {
                CustomMessageBox.Show(CustomMessageBoxType.exclamation, "Empty Radio ID!", MainForm.returnLNGString("err"));
                return;
            }
            SM.Debug("Sending mail to " + mailAdr);
            try
            {
                string filePath = Environment.CurrentDirectory + @"\qr.png";
                MailMessage message = new MailMessage();
                message.From = new MailAddress(eService.EmailAddress);
                message.To.Add(mailAdr);
                message.Body = message.Subject = "QR For Unit " + tbRadioIMEI.Text;
                this.picEncode.Image.Save(filePath, System.Drawing.Imaging.ImageFormat.Png);
                string attachmentPath = filePath;
                //Attachment inline = new Attachment(attachmentPath);
                using (Attachment inline = new Attachment(attachmentPath))
                {
                    inline.ContentDisposition.Inline = true;
                    inline.ContentDisposition.DispositionType = DispositionTypeNames.Inline;
                    //inline.ContentId = contentID;
                    inline.ContentType.MediaType = "image/png";
                    inline.ContentType.Name = Path.GetFileName(attachmentPath);

                    message.Attachments.Add(inline);
                    message.IsBodyHtml = true;
                    emailServerSSL.sendEmailWithFeedback(eService.SmtpServer, eService.SmtpPort, eService.EmailAddress, eService.Pass, message, eService.IsSmtpSSL);
                }
                File.Delete(filePath);
            }
            catch (Exception ex)
            {
                Console.WriteLine("Exception in sendMail QR Code ", ex.ToString());
                //Console.WriteLine(e.ToString());
            }

        }

        private void VehiclesMobileForm_Load(object sender, EventArgs e)
        {

        }

        private void VehiclesMobileForm_Leave(object sender, EventArgs e)
        {
            btnAdd.PerformClick();
        }

        private void chbLoneWorker_ToggleStateChanged(object sender, StateChangedEventArgs args)
        {
            tbLoneworkerInterval.Enabled = chbLoneWorker.Checked;
        }
    }
}