using Microsoft.Reporting.WinForms;
using SteamWare;
using System;
using System.Data;

/// <summary>
/// Classe che restituisce uno stream ed i dati accessori per reinviare un report in pdf
/// </summary>
public class reportExporter
{
    #region Public Fields

    /// <summary>
    /// encoding dei dati
    /// </summary>
    public string encoding;

    /// <summary>
    /// nome estensione
    /// </summary>
    public string fileNameExtension;

    /// <summary>
    /// mimeType del report
    /// </summary>
    public string mimeType;

    /// <summary>
    /// steam di bytes del report
    /// </summary>
    public byte[] renderedBytes;

    #endregion Public Fields

    #region Public Constructors

    /// <summary>
    /// metodo protected
    /// </summary>
    public reportExporter()
    {
    }

    #endregion Public Constructors

    #region Public Methods

    /// <summary>
    /// renderizza il report in pdf
    /// </summary>
    /// <param name="tipoReport">report ammessi: RichiestaIntervento</param>
    /// <param name="parametro">idx della richiesta (numIntMtz)</param>
    /// <returns></returns>
    public void popolaPdfStream(reportRichiesto tipoReport, string parametro)
    {
        LocalReport report = new LocalReport();
        devInfoParam deviceInfo = new devInfoParam("PDF", "21cm", "29.7cm", "0.2cm", "0.2cm", "0.2cm", "0.2cm");
        switch (tipoReport)
        {
            case reportRichiesto.SchedaODL:
                report.ReportPath = @".\Reports\Donati_ODL.rdlc";
                report.DataSources.Add(new ReportDataSource("MoonPro", caricaDati(tipoReport, parametro))); // OCCHIO!!! va messa sorgente dati CORRETTA
                deviceInfo = new devInfoParam("PDF", "29.7cm", "21cm", "0.2cm", "0.2cm", "0.2cm", "0.2cm");
                break;

            default:
                break;
        }
        createPdfStream(report, deviceInfo.xmlParam);
    }

    #endregion Public Methods

    #region Private Methods

    /// <summary>
    /// carica i dati richiesti dal report dalla StoredProcedure (filtrando quindi...)
    /// </summary>
    /// <param name="tipoReport">report ammessi: RichiestaIntervento</param>
    /// <param name="idxObj">num int mtz</param>
    /// <returns>tabella dati</returns>
    private DataTable caricaDati(reportRichiesto tipoReport, string idxObj)
    {
        // calcolo idxODL
        int idxOdl = 0;
        try
        {
            idxOdl = Convert.ToInt32(idxObj);
        }
        catch
        { }
        DataTable tab = new DataTable();
        MapoDb.DataLayer DataLayerObj = new MapoDb.DataLayer();
        switch (tipoReport)
        {
            case reportRichiesto.SchedaODL:
                tab = (DataTable)DataLayerObj.taODL.getByIdx(idxOdl, false);
                break;
                //case reportRichiesto.RichiestaIntervento:
                //    tab = (DataTable)TA_app.obj.taInterventiMtz.getByIdx(Convert.ToInt32(idxObj));
                //    break;
                //default:
                //    break;
        }
        return tab;
    }

    /// <summary>
    /// crea il vero e proprio stream pdf
    /// </summary>
    /// <param name="report"></param>
    /// <param name="deviceInfo"></param>
    private void createPdfStream(LocalReport report, string deviceInfo)
    {
        // export in PDF
        string reportType = "PDF";
        Warning[] warnings;
        string[] streams;
        renderedBytes = report.Render(
            reportType,
            deviceInfo,
            out mimeType,
            out encoding,
            out fileNameExtension,
            out streams,
            out warnings);
    }

    #endregion Private Methods
}