using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Data.Sql;
using System.Data.SqlClient;
using System.Collections;

namespace ServerExplorer.UI
{
    public partial class FrmProcedimientos : Form
    {
        private string cnxString;
        private SqlConnection cnx;

        public FrmProcedimientos(string cnxString)
        {
            InitializeComponent();

            this.cnxString = cnxString;
        }



        private void frmProcedimientos_Load(object sender, EventArgs e)
        {
            DataTable dt;
            SqlDataAdapter da;

            // Establecer conexion
            cnx = new SqlConnection(cnxString);

            // Obtener un datatable con todos los procedimientos de la base de datos.
            da = new SqlDataAdapter(
                "SELECT ROUTINE_NAME Name, ROUTINE_SCHEMA [Schema], CREATED CreateDate, ROUTINE_TYPE [Type] FROM INFORMATION_SCHEMA.ROUTINES",
                cnx);
            dt = new DataTable();
            cnx.Open();
            da.Fill(dt);
            cnx.Close();

            // Mostrar todos los procedimientos
            lsvProcs.Items.Clear();
            foreach (DataRow dr in dt.Rows)
            {
                ListViewItem item = lsvProcs.Items.Add((String)dr["Name"]);
                item.SubItems.Add((string)dr["Schema"]);
                item.SubItems.Add(((DateTime)dr["CreateDate"]).ToShortDateString());
                item.SubItems.Add((string)dr["Type"]);
            }
        }

        private void lsvProcs_SelectedIndexChanged(object sender, EventArgs e)
        {
            if (lsvProcs.SelectedItems.Count > 0)
            {
                DataTable dt;
                SqlDataAdapter da;
                string Schema, Name;
                Name = lsvProcs.SelectedItems[0].SubItems[0].Text;
                Schema = lsvProcs.SelectedItems[0].SubItems[1].Text;
                da = new SqlDataAdapter("SELECT ROUTINE_DEFINITION from INFORMATION_SCHEMA.ROUTINES WHERE ROUTINE_NAME=@Name AND ROUTINE_SCHEMA=@Schema", cnx);
                da.SelectCommand.Parameters.AddWithValue("@Name", Name);
                da.SelectCommand.Parameters.AddWithValue("@Schema", Schema);
                dt = new DataTable();
                cnx.Open();
                da.Fill(dt);
                cnx.Close();

                // Mostrar el contenido del procedimiento
                txtProc.Text = String.Empty;
                foreach (DataRow dr in dt.Rows)
                {
                    txtProc.Text += ((string)dr[0]).Replace("\r", "").Replace("\n", "\r\n");
                }
            }
        }
    }
}