using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using Microsoft.Reporting.WebForms;
using System.Globalization;

namespace EmisTerminal
{
    public class ReportPrintHelper
    {
        public static string CreateEMFDeviceInfo(Report report)
        {
            var pageSettings = report.GetDefaultPageSettings();

            // The device info string defines the page range to print as well as the size of the page.
            // A start and end page of 0 means generate all pages.
            return string.Format(
                CultureInfo.InvariantCulture,
                "<DeviceInfo><OutputFormat>emf</OutputFormat><StartPage>0</StartPage><EndPage>0</EndPage><MarginTop>{0}</MarginTop><MarginLeft>{1}</MarginLeft><MarginRight>{2}</MarginRight><MarginBottom>{3}</MarginBottom><PageHeight>{4}</PageHeight><PageWidth>{5}</PageWidth></DeviceInfo>",
                ToInches(pageSettings.Margins.Top + 20),
                ToInches(pageSettings.Margins.Left),
                ToInches(pageSettings.Margins.Right),
                ToInches(pageSettings.Margins.Bottom),
                ToInches(pageSettings.PaperSize.Height),
                ToInches(pageSettings.PaperSize.Width));
        }

        private static string ToInches(int hundrethsOfInch)
        {
            double inches = hundrethsOfInch / 100.0;
            return inches.ToString(CultureInfo.InvariantCulture) + "in";
        }
    }
}