using System;
using System.Collections.Generic;
using System.Data.SqlClient;
using System.Windows.Forms;
using ServerExplorer.Code.DataAccess;
using ServerExplorer.Code.DataTransfer;

namespace ServerExplorer.UI
{
    public partial class FrmServidores : Form
    {
        public FrmServidores()
        {
            InitializeComponent();
        }

        private void btnListarServidores_Click(object sender, EventArgs e)
        {
            List<Server> servers = ServerDA.Server_GetRegs();

            lsvServidores.Items.Clear();
            lsvBBDD.Items.Clear();
            foreach (Server server in servers)
            {
                ListViewItem item = lsvServidores.Items.Add(server.Name);
                item.SubItems.Add(server.Instance);
                item.SubItems.Add(server.Version);
            }
        }

        private void lsvServidores_SelectedIndexChanged(object sender, EventArgs e)
        {
            if (lsvServidores.SelectedItems.Count > 0)
            {
                ListViewItem item = lsvServidores.SelectedItems[0];
                txtServidor.Text = String.IsNullOrEmpty(item.SubItems[1].Text)
                                       ? item.SubItems[0].Text
                                       : String.Format("{0}/{1}", item.SubItems[0].Text, item.SubItems[1].Text);
            }
        }

        private void btnListarBBDD_Click(object sender, EventArgs e)
        {
            List<Database> databases = DatabaseDA.Database_GetRegs(BuildConnectionString());

            lsvBBDD.Items.Clear();
            foreach (Database database in databases)
            {
                ListViewItem item = lsvBBDD.Items.Add(database.Name);
                item.SubItems.Add(database.CreateDate.ToShortDateString());
            }
        }


        private void lsvBBDD_DoubleClick(object sender, EventArgs e)
        {
            if (lsvBBDD.SelectedItems.Count != 1) return;

            // Llamar a la venta de la base de datos
            var frm = new FrmBaseDatos(BuildConnectionString());
            FrmPrincipal.AddForm(frm);
        }

        private string BuildConnectionString()
        {
            // Construir cadena de conexion
            var constructor = new SqlConnectionStringBuilder();
            constructor.DataSource = (!string.IsNullOrEmpty(txtServidor.Text)) ? txtServidor.Text : "localhost";
            if (lsvBBDD.SelectedItems.Count > 0)
            {
                constructor.InitialCatalog = lsvBBDD.SelectedItems[0].SubItems[0].Text;
            }
            if (String.IsNullOrEmpty(txtUsuario.Text))
            {
                constructor.IntegratedSecurity = true;
            }
            else
            {
                constructor.UserID = txtUsuario.Text;
                constructor.Password = TxtContrasenha.Text;
            }
            return constructor.ConnectionString;
        }
    }
}