Option Explicit On
'Imports Microsoft.Office.Interop.Outlook
Imports MySql.Data.MySqlClient
Imports System.Globalization
Imports System.Text
Imports System.IO
Imports EAGetMail
Imports Chilkat


Public Class mail_auslesen


    Private Sub Button1_Click(sender As Object, e As EventArgs) Handles bt_start.Click

        Timer_mail_auslesen.Start()
        My.Settings.mail_auslesen = "1"

    End Sub



    Function _generateFileName(ByVal sequence As Integer) As String
            Dim currentDateTime As DateTime = DateTime.Now
            Return String.Format("{0}-{1:000}-{2:000}.eml",
                            currentDateTime.ToString("yyyyMMddHHmmss", New CultureInfo("en-US")),
                            currentDateTime.Millisecond,
                            sequence)
        End Function


    Public Sub einlesen()
        System.Windows.Forms.Application.DoEvents()
        Timer_mail_auslesen.Stop()


        Dim connStr As String = "server=localhost;user=root;database=dvag_mailing;port=3306;password=;charset=utf8;"
        Dim conn As New MySqlConnection(connStr)
        Dim sqlcmd As New MySqlCommand
        Dim dr
        Dim dw
        Dim mailing_ohne_freigabe

        Dim strFile As String
        Dim strFolderpath As String

        Dim imap As New Chilkat.Imap

        ' Connect to an IMAP server.
        ' Use TLS
        imap.Ssl = False
        imap.Port = 150
        Dim success As Boolean = imap.Connect("127.0.0.1")
        If (success <> True) Then
            Debug.WriteLine(imap.LastErrorText)
            Exit Sub
        End If


        ' Login
        success = imap.Login("vorstand@mailing.geographie-dvag.de", "0!07N8,#nvLK6LiG^+PX")
        If (success <> True) Then
            Debug.WriteLine(imap.LastErrorText)
            Exit Sub
        End If


        ' Select an IMAP mailbox
        success = imap.SelectMailbox("Inbox")
        If (success <> True) Then
            Debug.WriteLine(imap.LastErrorText)
            Exit Sub
        End If



        Dim messageSet As Chilkat.MessageSet
        ' We can choose to fetch UIDs or sequence numbers.
        Dim fetchUids As Boolean = True
        ' Get the message IDs of all the emails in the mailbox
        messageSet = imap.Search("UNSEEN", fetchUids)
        If (imap.LastMethodSuccess = False) Then
            Debug.WriteLine(imap.LastErrorText)
            Exit Sub
        End If


        ' Fetch the emails into a bundle object:
        Dim bundle As Chilkat.EmailBundle
        bundle = imap.FetchBundle(messageSet)
        If (imap.LastMethodSuccess = False) Then

            Debug.WriteLine(imap.LastErrorText)
            Exit Sub
        End If


        ' Loop over the bundle and display the FROM and SUBJECT of each.
        Dim i As Integer = 0
        Dim numEmails As Integer = bundle.MessageCount
        While i < numEmails



            '  ID Auslesen
            Try
                conn.Open()
                sqlcmd = New MySqlCommand("SELECT MAX(id) FROM data", conn)
                dr = sqlcmd.ExecuteScalar()
                'MsgBox(dr)
                lb_id.Text = dr + 1
                conn.Close()
            Catch ex As System.Exception
                MsgBox(ex.ToString)
            End Try

            ' Ordner anlegen
            Try
                System.IO.Directory.CreateDirectory("C:\DVAG\Mailing\" & lb_id.Text)
                strFolderpath = "C:\DVAG\Mailing\" & lb_id.Text & "\"
            Catch ex As System.Exception

            End Try



            Dim email As Chilkat.Email = bundle.GetEmail(i)
            'Debug.WriteLine(email.FromAddress)
            'Debug.WriteLine(email.GetToAddr(i))
            'Debug.WriteLine(email.Subject)
            'Debug.WriteLine(email.Body)
            'Debug.WriteLine("--")

            tb_von.Text = (email.FromAddress)
            tb_an.Text = (email.GetToAddr("0"))

            tb_betreff.Text = (email.Subject)
            rtb_mail_body.Text = (email.Body)

            rtb_mail_body.Text = rtb_mail_body.Text.Replace("'", "''")



            'Attachment speichern

            email.SaveAllAttachments(strFolderpath)


            'Zugriff abfragen
            Try

            conn.Open()
            sqlcmd = New MySqlCommand("select * from zugriff where mail = '" & tb_von.Text & "' and sender_mail = '" & tb_an.Text & "'", conn)

            mailing_ohne_freigabe = sqlcmd.ExecuteScalar()
            lb_mailing_ohne_freigabe.Text = mailing_ohne_freigabe
            conn.Close()
        Catch ex As System.Exception

        End Try




        If lb_mailing_ohne_freigabe.Text = "" Then
            lb_mailing_ohne_freigabe.Text = "0"
        Else
            lb_mailing_ohne_freigabe.Text = "1"
        End If



            ' Daten in DB speichern
            conn.Open()
            sqlcmd = New MySqlCommand("insert into `data` (`ID`, `from`, `to`, `subject`, `text`, `send`, `mailing_ohne_freigabe`) values ('" & lb_id.Text & "','" & tb_von.Text & "','" & tb_an.Text & "','" & tb_betreff.Text & "','" & rtb_mail_body.Text & "', '0','" & lb_mailing_ohne_freigabe.Text & "' )", conn)

        dw = sqlcmd.ExecuteScalar()
        conn.Close()


            success = imap.SetFlags(messageSet, "SEEN", 1)


            ' Disconnect from the IMAP server.
            success = imap.Disconnect()

            i = i + 1


            'Felder leeren
            tb_von.Text = ""
        tb_an.Text = ""
        tb_betreff.Text = ""
        rtb_mail_body.Text = ""
        lb_id.Text = ""


        End While

        mail_sending.Show()
        mail_sending.bt_start.PerformClick()
        Me.Hide()




    End Sub



    Private Sub Form1_FormClosing(ByVal sender As Object, ByVal e As System.Windows.Forms.FormClosingEventArgs) Handles Me.FormClosing
        Dashboard.Show()
        Me.Hide()
        
    End Sub

    Private Sub Button1_Click_1(sender As Object, e As EventArgs) Handles bt_stop.Click

        Timer_mail_auslesen.Stop()
        Me.Text = "Dienst ist gestoppt"
        My.Settings.mail_auslesen = "0"
    End Sub


    Public Shared Function Middle(str As String, startchar As String, endchar As String) As String
        Dim strStart As String = str.IndexOf(startchar) + 1
        Dim strEnd As Integer = str.LastIndexOf(endchar)
        Return str.Substring(strStart, strEnd - strStart)
        ' MsgBox(Middle(Str1, " To: < ", "test.com>"))
    End Function

    Private Sub Timer_mail_auslesen_Tick(sender As Object, e As EventArgs) Handles Timer_mail_auslesen.Tick
        Me.Text = "Dienst läuft"
        einlesen()
    End Sub

    Private Sub Button1_Click_2(sender As Object, e As EventArgs) Handles Button1.Click
        einlesen()
    End Sub
End Class