using System;
using System.Windows.Forms;
using System.Collections.Generic;
using System.Text;
using System.Drawing;
using System.Drawing.Printing;

namespace Neo.Afx.ActiveX.Printing
{
    public class BarcodeLabelPrinter
    {
        #region Constructor
        public BarcodeLabelPrinter(string BarcodeData, string PrintedBy, short Copies, string PrinterPath, int LabelHeight, int LabelWidth, int LeftMargin, bool Preview)
        {
            barcodeData = BarcodeData;
            printedBy = PrintedBy;
            copies = Copies;
            printerPath = PrinterPath;
            labelHeight = LabelHeight; //in mm
            labelWidth = LabelWidth; //in mm
            leftMargin = LeftMargin;
            preview = Preview;
        } 
        #endregion

        #region Variables
        private string barcodeData;
        private string printedBy;
        private short copies;
        private string printerPath;
        private int labelHeight;
        private int labelWidth;
        private int leftMargin;
        private bool preview;

        private Font barcodeFont = new Font("3 of 9 Barcode", 15);
        private Font printFont = new Font("Century Gothic", 7);
        private Font printHeaderFont = new Font("Century Gothic", 8,FontStyle.Bold);
        #endregion

        #region Methods
        public void Print()
        {
            var tmpprndoc = new PrintDocument();
            tmpprndoc.PrinterSettings.Copies = this.copies;
            tmpprndoc.PrintPage += new PrintPageEventHandler(toPrinter);
            tmpprndoc.PrinterSettings.PrinterName = printerPath;
            var customeSize = new PaperSize("Custom Label Size", Convert.ToInt32(labelWidth / 0.254), Convert.ToInt32(labelHeight / 0.254)); //convert to 100ths of an inch
            tmpprndoc.DefaultPageSettings.PaperSize = customeSize;

            if(preview)
            {
                PrintPreviewDialog tmpprdiag = new PrintPreviewDialog();
                tmpprdiag.Document = tmpprndoc;
                tmpprdiag.Show();
            }
            else
            {
                tmpprndoc.Print();
            }
        }


        private void toPrinter(Object sender, PrintPageEventArgs e)
        {
            var g = e.Graphics;
            var br = new SolidBrush(Color.Black);
            var top = 0;

            g.DrawString(barcodeData, printHeaderFont, br, leftMargin, top);
            g.DrawString("*" + barcodeData.Substring(3) + "*", barcodeFont, br, leftMargin, top + 16); // the Asterisk (*) is used to delimit the barcode, and is required as the start and stop charachters by the 3of9 Symbology.
            g.DrawString("Printed By: " + printedBy, printFont, br, leftMargin, top + 34);
            g.DrawString("Date: " + DateTime.Now.ToString("MM/dd/yyyy hh:mm"), printFont, br, leftMargin, top + 46);
        }
        #endregion

    }
}