using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.IO;
using ORiN2.interop.CAO;
using System.Runtime.InteropServices;

namespace CaoSmtpSample
{
    public partial class frmCaoSmtpSample : Form
    {
        private CaoEngine m_caoEng;
        private CaoWorkspaces m_caoWss;
        private CaoWorkspace m_caoWs;
        private CaoControllers m_caoCtrls;
        private CaoController m_caoCtrl;
        private CaoFiles m_cFiles;
        private CaoFile m_cFile;

        // Initialize
        public frmCaoSmtpSample()
        {
            InitializeComponent();
        }

        // Form Load
        private void frmCaoSmtpSample_Load(object sender, EventArgs e)
        {
            m_caoEng = new CaoEngine();
            m_caoWss = m_caoEng.Workspaces;
            m_caoWs = m_caoWss.Item(0);
            m_caoCtrls = m_caoWs.Controllers;
            m_caoCtrl = m_caoWs.AddController("TestCtrl", "CaoProv.SMTP");
            m_cFiles = m_caoCtrl.Files;
            cmbAuth.SelectedIndex = 1;
            cmbSecurity.SelectedIndex = 0;
            cmbCharSet.SelectedIndex = 1;
            cmbPriority.SelectedIndex = 1;
        }

        // Form Closed
        private void frmCaoSmtpSample_FormClosed(object sender, FormClosedEventArgs e)
        {
            m_cFiles.Clear();
            if (m_cFile != null)
            {
                Marshal.ReleaseComObject(m_cFile);
                m_cFile = null;
            }
            m_caoCtrls.Clear();
            Marshal.ReleaseComObject(m_cFiles);
            m_cFiles = null;
            Marshal.ReleaseComObject(m_caoCtrl);
            m_caoCtrl = null;

            m_caoWss.Clear();
            Marshal.ReleaseComObject(m_caoCtrls);
            m_caoCtrls = null;
            Marshal.ReleaseComObject(m_caoWs);
            m_caoWs = null;
            Marshal.ReleaseComObject(m_caoWss);
            m_caoWss = null;
            Marshal.ReleaseComObject(m_caoEng);
            m_caoEng = null;
        }

        // AddFile Click
        private void btnAddFile_Click(object sender, EventArgs e)
        {
            try
            {
                DeleteFile();
                m_cFile = m_caoCtrl.AddFile("mail1", String.Format("Server={0},Port={1},Auth={2},Security={3},CharSet={4}", 
                    txtServer.Text,txtPort.Text, cmbAuth.Text, cmbSecurity.Text, cmbCharSet.Text));
                if (m_cFile != null)
                    MessageBox.Show(this, "Was created");
                else
                    MessageBox.Show(this, "I failed to create");
            }
            catch(Exception ex)
            {
                MessageBox.Show(this, ex.Message, "", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
            }
        }

        // DelFile Click
        private void btnDelFile_Click(object sender, EventArgs e)
        {
            DeleteFile();
            MessageBox.Show(this, "Has been deleted");
        }

        // DeleteFile
        private void DeleteFile()
        {
            if (m_caoCtrl.Files.Count > 0)
                m_caoCtrl.Files.Remove(0);
        }

        // SendExecute
        private bool SendExecute(string strCommand, object objData)
        {
            try
            {
                m_cFile.Execute(strCommand, objData);
                return true;
            }
            catch (Exception ex)
            {
                MessageBox.Show(this, ex.Message);
                return false;
            }
        }

        // btnClearTo Click
        private void btnClearTO_Click(object sender, EventArgs e)
        {
            bool bRet = false;
            if (m_cFile == null || m_caoCtrl.Files.Count == 0)
            {
                MessageBox.Show(this, "Please press the AddFileButton first");
                return;
            }

            bRet = SendExecute("DelRecipients", null);
            if (bRet)
                MessageBox.Show(this, "Was successful");
            else
                MessageBox.Show(this, "Has failed");
        }

        // btnClearCC Click
        private void btnClearCC_Click(object sender, EventArgs e)
        {
            bool bRet = false;
            if (m_cFile == null || m_caoCtrl.Files.Count == 0)
            {
                MessageBox.Show(this, "Please press the AddFileButton first");
                return;
            }

            bRet = SendExecute("DelCCRecipients", null);
            if (bRet)
                MessageBox.Show(this, "Was successful");
            else
                MessageBox.Show(this, "Has failed");
        }

        // btnClearBCC Click
        private void btnClearBCC_Click(object sender, EventArgs e)
        {
            bool bRet = false;
            if (m_cFile == null || m_caoCtrl.Files.Count == 0)
            {
                MessageBox.Show(this, "Please press the AddFileButton first");
                return;
            }

            bRet = SendExecute("DelBCCRecipients", null);
            if (bRet)
                MessageBox.Show(this, "Was successful");
            else
                MessageBox.Show(this, "Has failed");
        }

        // btnMessage Click
        private void btnClearMessage_Click(object sender, EventArgs e)
        {
            bool bRet = false;
            if (m_cFile == null || m_caoCtrl.Files.Count == 0)
            {
                MessageBox.Show(this, "Please press the AddFileButton first");
                return;
            }

            bRet = SendExecute("DelMsgLines", null);
            if (bRet)
                MessageBox.Show(this, "Was successful");
            else
                MessageBox.Show(this, "Has failed");
        }

        // btnClearAttachment Click
        private void btnClearAttachment_Click(object sender, EventArgs e)
        {
            bool bRet = false;
            if (m_cFile == null || m_caoCtrl.Files.Count == 0)
            {
                MessageBox.Show(this, "Please press the AddFileButton first");
                return;
            }

            bRet = SendExecute("DelAttachments", null);
            if (bRet)
                MessageBox.Show(this, "Was successful");
            else
                MessageBox.Show(this, "Has failed");
        }

        // btnClearAll
        private void btnClearAll_Click(object sender, EventArgs e)
        {
            bool bRet = false;
            if (m_cFile == null || m_caoCtrl.Files.Count == 0)
            {
                MessageBox.Show(this, "Please press the AddFileButton first");
                return;
            }

            bRet = SendExecute("ClearMessage", null);
            if (bRet)
                MessageBox.Show(this, "Was successful");
            else
                MessageBox.Show(this, "Has failed");
        }

        // btnInputAreaClear Click
        private void btnInputAreaClear_Click(object sender, EventArgs e)
        {
            txtServer.Text = "";
            txtPort.Text = "";
            txtLogin.Text = "";
            txtPassword.Text = "";
            txtSenderMail.Text = "";
            txtSenderName.Text = "";
            txtReplyTo.Text = "";
            txtTO.Text = "";
            txtCC.Text = "";
            txtBCC.Text = "";
            txtTitle.Text = "";
            txtMessage.Text = "";
            txtSendFileName.Text = "";
            txtAttachment.Text = "";
        }

        // btnToggle Click
        private void btnToggle_Click(object sender, EventArgs e)
        {
            bool bChk = false;
            if (chkLogin.Checked)
                bChk = false;
            else
                bChk = true;

            SetAllCheck(bChk);            
        }

        // SetAllCheck
        private void SetAllCheck(bool bChk)
        {
            chkLogin.Checked = bChk;
            chkPassword.Checked = bChk;
            chkSenderMail.Checked = bChk;
            chkSenderName.Checked = bChk;
            chkReplyTo.Checked = bChk;
            chkTO.Checked = bChk;
            chkCC.Checked = bChk;
            chkBCC.Checked = bChk;
            chkTitle.Checked = bChk;
            chkMessage.Checked = bChk;
            chkSendFileName.Checked = bChk;
            chkAttach.Checked = bChk;
            chkPriority.Checked = bChk;
        }

        // btnFile Click
        private void btnFile_Click(object sender, EventArgs e)
        {
            if (dlgOpenFile.ShowDialog() == System.Windows.Forms.DialogResult.OK)
                txtAttachment.Text = dlgOpenFile.FileName;
        }

        // btnExecute Click
        private void btnExecute_Click(object sender, EventArgs e)
        {
            byte[] binBuffer;

            if (m_cFile == null || m_caoCtrl.Files.Count == 0)
            {
                MessageBox.Show(this, "Please press the AddFileButton first");
                return;
            }

            try
            {
                if(chkLogin.Checked)
                    m_cFile.Execute("SetLogin",txtLogin.Text);
                if(chkPassword.Checked)
                    m_cFile.Execute("SetPassword",txtPassword.Text);
                if(chkSenderMail.Checked)
                    m_cFile.Execute("SetSenderMail",txtSenderMail.Text);
                if(chkSenderName.Checked)
                    m_cFile.Execute("SetSenderName",txtSenderName.Text);
                if(chkReplyTo.Checked)
                    m_cFile.Execute("SetReplyTo",txtReplyTo.Text);
                if(chkTO.Checked)
                    m_cFile.Execute("AddRecipient",txtTO.Text);
                if(chkCC.Checked)
                    m_cFile.Execute("AddCCRecipient",txtCC.Text);
                if(chkBCC.Checked)
                    m_cFile.Execute("AddBCCRecipient",txtBCC.Text);
                if(chkTitle.Checked)
                    m_cFile.Execute("SetSubject",txtTitle.Text);
                if(chkMessage.Checked)
                    m_cFile.Execute("AddMsgLine",txtMessage.Text);
                if(chkSendFileName.Checked)
                    m_cFile.Execute("SetAttachFileName",txtSendFileName.Text);
                if(chkAttach.Checked)
                {
                    if(chkBin.Checked)
                    {
                        binBuffer = File.ReadAllBytes(txtAttachment.Text);
                        m_cFile.Execute("AddAttachment", binBuffer);
                    }
                    else
                    {
                        m_cFile.Execute("AddAttachment", txtAttachment.Text);
                    }
                }
                if(chkPriority.Checked)
                    m_cFile.Execute("SetXPriority",cmbPriority.Text);
                MessageBox.Show(this, "Was successful");

            }
            catch (Exception ex)
            {
                MessageBox.Show(this, ex.Message);
                return;
            }
        }

        // btnSend Click
        private void btnSend_Click(object sender, EventArgs e)
        {
            bool bRet = false;
            if (m_cFile == null || m_caoCtrl.Files.Count == 0)
            {
                MessageBox.Show(this, "Please press the AddFileButton first");
                return;
            }

            bRet = SendExecute("Send", null);
            if (bRet)
                MessageBox.Show(this, "Was successful");
            else
                MessageBox.Show(this, "Has failed");
        }

        // btnGetValue Click
        private void btnGetValue_Click(object sender, EventArgs e)
        {
            try
            {
                if (m_cFile == null || m_caoCtrl.Files.Count == 0)
                {
                    MessageBox.Show(this, "Please press the AddFileButton first");
                    return;
                }

                txtMessage.Text = Convert.ToString(m_cFile.Value);
                MessageBox.Show(this, "Was successful");
            }
            catch (Exception ex)
            {
                MessageBox.Show(this, ex.Message);
            }
        }

        // btnPutValue Click
        private void btnPutValue_Click(object sender, EventArgs e)
        {
            try
            {
                if (m_cFile == null || m_caoCtrl.Files.Count == 0)
                {
                    MessageBox.Show(this, "Please press the AddFileButton first");
                    return;
                }

                m_cFile.Value = txtMessage.Text;
                MessageBox.Show(this, "Was successful");
            }
            catch (Exception ex)
            {
                MessageBox.Show(this, ex.Message);
            }
        }
    }
}