using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;

namespace EpsonPrinter.Services
{
    public class PrintString
    {
        /// <summary>
        /// An appropriate interval is converted into the length of
        /// the tab about two texts. And make a printing data.
        /// </summary>
        /// <param name="iLineChars">
        /// The width of the territory which it prints on is converted into the number of
        /// characters, and that value is specified.
        /// </param>
        /// <param name="strBuf">
        /// It is necessary as an information for deciding the interval of the text.
        /// </param>
        /// <param name="strPrice">
        /// It is necessary as an information for deciding the interval of the text, too.
        /// </param>
        /// <returns>printing data.
        /// </returns>
        public String MakePrintString(int iLineChars, String strBuf, String strPrice)
        {
            int iSpaces = 0;
            String tab = "";
            try
            {
                iSpaces = iLineChars - (strBuf.Length + strPrice.Length);
                for (int j = 0; j < iSpaces; j++)
                {
                    tab += " ";
                }
            }
            catch (Exception)
            {
            }
            return strBuf + tab + strPrice;
        }
	}
}