using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Security.RightsManagement;
using System.Text;
using System.Text.RegularExpressions;
using System.Threading.Tasks;
using System.Windows.Forms;
using Database;
using Microsoft.Office.Interop.Excel;
using Microsoft.Office.Interop.Word;
using Model;
using OnDoc.Klassen;
using OnDoc.UICintrols;
using Syncfusion.DocIO.DLS;
using Syncfusion.Windows.Forms;
using Syncfusion.Windows.Forms.Tools;
using Syncfusion.WinForms.Controls;

namespace OnDoc.Diverses
{
    public partial class frmMail : SfForm
    {
        public string doclist { get; set; }
        public frmMail()
        {
            InitializeComponent();
            if (multipledocuments()) { this.txtbetreff.Text = "Link auf OnDoc-Dokumente"; } else { this.txtbetreff.Text = "Link auf OnDoc-Dokument"; }
        }

        public frmMail(string doclist)
        {
            InitializeComponent();
            this.doclist=doclist;
            if (multipledocuments()) { this.txtbetreff.Text = "Links auf OnDoc-Dokumente"; } else { this.txtbetreff.Text = "Link auf OnDoc-Dokument"; }
            update_html();
        }

        private void frmMail_Load(object sender, EventArgs e)
        {
            DB db = new DB(AppParams.connectionstring);
            db.clear_parameter();
            db.Get_Tabledata("SP_Dokumentbearbeitung_Mitarbeiter", true, false);

            cbboxEmpfaenger.DataSource = db.dsdaten.Tables[0];
            cbboxEmpfaenger.DataSource = db.dsdaten.Tables[0];

            cbboxEmpfaenger.DisplayMember = "name";
            cbboxEmpfaenger.ValueMember = "mitarbeiternr";
            db = null;
        }

        public void update_fields(string mailtext)
        {

           miniHTMLTextBox1.Text = mailtext;
           miniHTMLTextBox1.ShowToolbar = false;
           
        }

        public void update_html()
        {
            DB db = new DB(AppParams.connectionstring);
            db.Get_Tabledata("Select name,vorname,tgnummer, email from mitarbeiter where mitarbeiternr=" + AppParams.CurrentMitarbeiter.ToString(), false, true);
            string absender = "";
            try
            {
                absender = db.dsdaten.Tables[0].Rows[0]["Name"].ToString() + " " + db.dsdaten.Tables[0].Rows[0]["Vorname"].ToString() + ", " + db.dsdaten.Tables[0].Rows[0]["tgnummer"].ToString();
            }
            catch
            {
                absender = "";
            }
            string endabsatz = "<br><br>--------------------------------------------------------------------------<br>OnDoc / " + absender;
            //endabsatz = "";

            string empfaenger = "";
            try
            {
                db.Get_Tabledata("Select vorname,email from mitarbeiter where mitarbeiternr=" + cbboxEmpfaenger.SelectedValue.ToString(), false, true);
                empfaenger = db.dsdaten.Tables[0].Rows[0][0].ToString();
                txtemail.Text = db.dsdaten.Tables[0].Rows[0][1].ToString();
                if (!checkemail())
                {
                    MessageBox.Show("E-Mail-Adresse ist ungültig!","E-Mail",MessageBoxButtons.OK,MessageBoxIcon.Error);
                }
            }
            catch
            {
                empfaenger = "";
            }
            string text = "";
            string starthtml = "<html>";
            string endhtml = "</html>";
            string startabsatz = "Guten Tag "+empfaenger+"<br>" + "<br>";
            if (!multipledocuments()) { startabsatz = startabsatz + "<br>" + "Link zum Dokument:<br>"; } else { startabsatz = startabsatz + "<br>" + "Links zum Dokumenten:<br>"; }
                text = text + starthtml;
            text = text + startabsatz;
            text = text + this.doclist;
            text = text + endabsatz;
            text = text + endhtml;
            miniHTMLTextBox1.Text = text;
            miniHTMLTextBox1.ShowToolbar = false;
            db = null;
        }

        private bool checkemail()
        {
            if (Regex.IsMatch(txtemail.Text, @"^\d+$") == false && !txtemail.Text.ToUpper().Contains("@TKB.CH")) { this.btnsend.Enabled = false;  return false; } else { this.btnsend.Enabled = true; return true; }    
        }

        private bool multipledocuments()
        {
            if (doclist.Contains("ul"))
            {
                return true;
            }
            else
            { return false; }
        }

        private void cbboxEmpfaenger_SelectedIndexChanged(object sender, EventArgs e)
        {
            update_html();
        }

        private void btntoapproval_Click(object sender, EventArgs e)
        {
            Model.EMail email = new Model.EMail();
            email.empfaenger = this.txtemail.Text;
            email.betreff = txtbetreff.Text;
            email.message = miniHTMLTextBox1.Text;


            clsMailer mailer = new clsMailer();
            if (mailer.SendHTMLMail(email))
            {
                this.Close();
            }
            else
            {
                MessageBox.Show("Mail konnte nicht versendet werden", "E-Mail", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
            ;
            mailer = null;
            email = null;

        }

        private void txtemail_TextChanged(object sender, EventArgs e)
        {

        }

        private void txtemail_Leave(object sender, EventArgs e)
        {
            if (!checkemail())
            {
                MessageBox.Show("E-Mail-Adresse ist ungültig!", "E-Mail", MessageBoxButtons.OK, MessageBoxIcon.Error);
                txtemail.Focus();
            }
        }

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