#region License

// Copyright 2005-2019 Paul Kohler (https://github.com/paulkohler/minisqlquery). All rights reserved.
// This source code is made available under the terms of the GNU Lesser General Public License v3.0
// https://github.com/paulkohler/minisqlquery/blob/master/LICENSE
#endregion

using System;
using System.Windows.Forms;

namespace MiniSqlQuery.Core.Controls
{
    /// <summary>A batch query selection control is used for displaying multiple result sets and allows
    /// the user to select one (e.g. for exports etc).</summary>
    public partial class BatchQuerySelectControl : UserControl
    {
        /// <summary>The _batch.</summary>
        private QueryBatch _batch;

        /// <summary>The _selected query.</summary>
        private Query _selectedQuery;

        /// <summary>
        /// Initializes a new instance of the <see cref="BatchQuerySelectControl"/> class.
        /// </summary>
        public BatchQuerySelectControl()
        {
            InitializeComponent();
        }

        /// <summary>
        /// Gets the selected query.
        /// </summary>
        /// <value>The selected query.</value>
        public Query SelectedQuery
        {
            get { return _selectedQuery; }
        }

        /// <summary>Fills the list with the batch result sets.</summary>
        /// <param name="batch">The query batch.</param>
        public void Fill(QueryBatch batch)
        {
            _batch = batch;
            lstBatches.Items.Clear();
            if (batch == null)
            {
                return;
            }

            for (int setIndex = 0; setIndex < batch.Queries.Count; setIndex++)
            {
                var query = batch.Queries[setIndex];
                if (query.Result != null && query.Result.Tables.Count > 0)
                {
                    string setName = string.Format("Result Set {0} ({1} tables)", setIndex, query.Result.Tables.Count);
                    lstBatches.Items.Add(setName);
                }
            }

            lstBatches.SelectedIndex = 0;
        }

        /// <summary>The lst batches_ selected index changed.</summary>
        /// <param name="sender">The sender.</param>
        /// <param name="e">The e.</param>
        private void lstBatches_SelectedIndexChanged(object sender, EventArgs e)
        {
            _selectedQuery = _batch.Queries[lstBatches.SelectedIndex];
        }
    }
}