using System;
using System.Collections.Generic;
using System.Text;
using System.Data;
using System.Data.SqlClient;
using CG67.FicheCollege.Domaine;
using CG67.FicheCollege.Interface;

namespace CG67.FicheCollege.Entrepot
{
    public class EntrepotBilinguisme : EntrepotBase, IEntrepotBilinguisme
    {
        public Bilinguisme GetByCodeRNEAndAnnee(string codeRNE, int annee)
        {
            Bilinguisme resultat = null;
            using (SqlConnection connexion = new SqlConnection(this.ChaineDeConnexion))
            {
                try
                {
                    connexion.Open();
                    using (SqlCommand command = connexion.CreateCommand())
                    {
                        command.CommandText = "SELECT Niveau, NbEleve FROM Bilinguisme WHERE CodeRne = @RNE AND Annee = @Annee";
                        command.Parameters.AddWithValue("@RNE", codeRNE);
                        command.Parameters.AddWithValue("@Annee", annee);
                        using (SqlDataReader dr = command.ExecuteReader())
                        {
                            List<int> lstNiveaux = new List<int>();
                            int nombreTotalEleves = 0;
                            while (dr.Read())
                            {
                                lstNiveaux.Add(Convert.ToInt16(dr["Niveau"].ToString()));
                                nombreTotalEleves += Convert.ToInt16(dr["NbEleve"].ToString());
                            }
                            resultat = new Bilinguisme(lstNiveaux, nombreTotalEleves);
                        }
                    }
                }
                catch (Exception erreurInterne)
                {
                    throw new Exception(" " + erreurInterne);
                }
                finally
                {
                    if (connexion.State == ConnectionState.Open)
                        connexion.Close();
                }
            }

            return resultat;
        }
    }
}