using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.Data;
using System.Text;
using System.Windows.Forms;
using System.Runtime.InteropServices;
using System.Security.Permissions;
using System.Drawing.Printing;


namespace Neo.Afx.ActiveX.Printing
{
    [Guid("33DE363F-9A74-4B0D-9E3F-6B22A3C7417F")]
    public interface BarcodeLabelPrinterInterface 
    {
         void PrintLabels(string BarcodeData, string PrintedBy, short Copies, string PrinterPath, int LabelHeight, int LabelWidth, int LeftMargin, bool Preview);
    }

    [ProgId("Neo.Afx.ActiveX.BarcodeLabelPrinterControl")]
    [Guid("2F3F1A1C-C828-4D93-BEC9-BB5524DFED27")]
    [ClassInterface(ClassInterfaceType.None)]    
    public partial class BarcodeLabelPrinterControl : UserControl, BarcodeLabelPrinterInterface  
    {
        public BarcodeLabelPrinterControl()
        {
            InitializeComponent();
        }
                
        private void PrintButton_Click(object sender, EventArgs e)
        {
            Print();
        }

        #region public PrintLabels method
        public void PrintLabels(string BarcodeData, string PrintedBy, short Copies, string PrinterPath, int LabelHeight, int LabelWidth, int LeftMargin, bool Preview)
        {
            BarcodeDataTextBox.Text = BarcodeData;
            PrintedByTextBox.Text = PrintedBy;
            LeftMarginTextBox.Text = LeftMargin.ToString();

            if (Copies.ToString() == "999")
            {
                var userInput = Microsoft.VisualBasic.Interaction.InputBox("Please enter the number of labels you would like to print.", "Print labels", "6", 400, 400).ToString();

                try
                {
                    if (userInput.Length == 0)
                    {
                        return;
                    }

                    var numberCopies = Int32.Parse(userInput);
                    CopiesTextBox.Text = numberCopies.ToString();
                }
                catch 
                {
                    MessageBox.Show("Invalid number entered.");
                    return;
                }     
            }
            else
            {
                CopiesTextBox.Text = Copies.ToString();            
            }            

            this.LabelHeightTextBox.Text = LabelHeight.ToString();
            this.LabelWidthTextBox.Text = LabelWidth.ToString();
            this.previewCheckBox.Checked = Preview;
            this.PrinterPathTextBox.Text = GetPrinter(PrinterPath);

            if (this.PrinterPathTextBox.Text.Length == 0)
            {
                MessageBox.Show("No barcode printer (" + PrinterPath + ") found.");
            }
            else
            {
                try
                {
                    Print();
                    MessageBox.Show(this.CopiesTextBox.Text + " copies printed to " + PrinterPathTextBox.Text);
                }
                catch (Exception e)
                {
                    MessageBox.Show(e.Message);
                }
            }            
        }

        #endregion
        
        #region private Print() Method
        private void Print()
        {
            BarcodeLabelPrinter BarcodeLabelPrinter1 = new BarcodeLabelPrinter(this.BarcodeDataTextBox.Text, this.PrintedByTextBox.Text, Convert.ToInt16(this.CopiesTextBox.Text), this.PrinterPathTextBox.Text, Convert.ToInt16(this.LabelHeightTextBox.Text), Convert.ToInt16(this.LabelWidthTextBox.Text), Convert.ToInt16(LeftMarginTextBox.Text), this.previewCheckBox.Checked); 
            BarcodeLabelPrinter1.Print();
        }
        #endregion

        #region getPrinter
        private string GetPrinter(string printerPath)
        {
            var printerName = "";

            foreach (String printer in PrinterSettings.InstalledPrinters)
            {
                if (printer.ToLower().Contains(printerPath.ToLower()))
                {
                    printerName = printer;
                }
            }

            return printerName;
        }
        #endregion
    }
}