using bdAsegasa.db;
using bdAsegasa.dbcontext;
using DevExpress.XtraReports.UI;
using Microsoft.EntityFrameworkCore;
using System;
using System.Data;
using System.IO;
using System.Linq;
using System.Text;
using tsEFCore8;
using tsUtilidades;
using static Google.Protobuf.WellKnownTypes.FieldMask;

namespace bdAsegasa.Informes
{
    public class Informes
    {
        public static void ImprimeInforme(XtraReport xr, object Datos, bool ImpresoraPredeterminada)
        {
            foreach (DevExpress.XtraReports.Parameters.Parameter pr in xr.Parameters)
            {
                pr.Visible = false;
            }
            xr.DataSource = Datos;
            xr.CreateDocument(true);
            if (ImpresoraPredeterminada)
            {
                xr.Print();
            }
            else
            {
                xr.Print();
            }
        }

        public static MemoryStream GeneraXLSX(XtraReport xr, object Datos)
        {
            MemoryStream ms = new MemoryStream();
            foreach (DevExpress.XtraReports.Parameters.Parameter pr in xr.Parameters)
            {
                pr.Visible = false;
            }
            xr.DataSource = Datos;
            xr.CreateDocument(true);
            xr.ExportToXlsx(ms);
            return ms;
        }

        public static MemoryStream GeneraPDF(bdAsegasa.tscgestionasegasa bd, int idPlantilla, object Datasource)
        {
            try
            {
                if (idPlantilla == 0)
                    throw new Exception("Seleccione primero la plantilla a imprimir");

                XtraReport xr = new XtraReport();

                var plantillas =  bd.plantillas.ToList();
                
                var pl = plantillas.Where(x => x.idPlantilla == idPlantilla).First();

                string s = Encoding.UTF8.GetString(pl.idFicheroNavigation.Fichero);

                using (MemoryStream tempMs = new MemoryStream())
                {
                    using (StreamWriter sw = new StreamWriter(tempMs, Encoding.UTF8, 1024, true))
                    {
                        sw.Write(s);
                        sw.Flush();
                        tempMs.Position = 0; 
                        xr = XtraReport.FromStream(tempMs, true);
                    }
                }

                try
                {
                    var pr = xr.Parameters.Cast<DevExpress.XtraReports.Parameters.Parameter>().FirstOrDefault(p => p.Name == "Fecha");

                    if (pr != null)
                    {
                        pr.Value = DateTime.Now;
                        pr.Visible = false;
                    }
                }
                catch
                {
                    // Ignorar si el parámetro no existe
                }

                xr.DataSource = Datasource;
                xr.CreateDocument(true);

                MemoryStream ms = new MemoryStream();
                xr.ExportToPdf(ms);
                ms.Position = 0; // Importante para que quien reciba el stream pueda leerlo desde el inicio

                return ms;
            }
            catch (Exception ex)
            {
                throw new Exception(ex.Message, ex);
            }
        }
    }
}