/* 
 * Copyright (c) 2009 Craig Sutherland
 * 
 * Permission is hereby granted, free of charge, to any person
 * obtaining a copy of this software and associated documentation
 * files (the "Software"), to deal in the Software without
 * restriction, including without limitation the rights to use,
 * copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following
 * conditions:
 * 
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 */

using System.Linq;
using System.Windows.Forms;
using ThoughtWorks.CruiseControl.Remote.Monitor;

namespace FastForward.WinCore
{
    /// <summary>
    /// A <see cref="ListViewItem"/> that contains <see cref="BuildQueue"/> details.
    /// </summary>
    public class BuildQueueListViewItem
        : ListViewItem
    {
        #region Private fields
        private BuildQueue queue;
        #endregion

        #region Constructors
        /// <summary>
        /// Initialise a new <see cref="BuildQueueListViewItem"/>.
        /// </summary>
        /// <param name="queue"></param>
        public BuildQueueListViewItem(BuildQueue queue)
        {
            this.queue = queue;
            Text = queue.Server.GetDisplayName();
            SubItems.AddRange(new string[] {
                queue.Name,       // 0
                queue.Requests.Count().ToString(),   // 1
                string.Empty
            });
            SetCurrentProject();
            ImageKey = BuildQueueUtils.RetrieveImage(queue);
            queue.BuildQueueRequestAdded += queue_RequestsChanged;
            queue.BuildQueueRequestRemoved += queue_RequestsChanged;
        }
        #endregion

        #region Public properties
        #region BuildQueue
        /// <summary>
        /// The underlying <see cref="BuildQueue"/>.
        /// </summary>
        public BuildQueue BuildQueue
        {
            get { return queue; }
        }
        #endregion
        #endregion

        #region Private methods
        #region queue_RequestsChanged()
        /// <summary>
        /// Handle the requests being changed.
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void queue_RequestsChanged(object sender, BuildQueueRequestChangedArgs e)
        {
            ListView.SafeInvoke(() =>
            {
                SubItems[2].Text = queue.Requests.Count().ToString();
                ImageKey = BuildQueueUtils.RetrieveImage(queue);
                SetCurrentProject();
            });
        }
        #endregion

        #region SetCurrentProject()
        /// <summary>
        /// Set the currently building project column
        /// </summary>
        private void SetCurrentProject()
        {
            var projectName = string.Empty;
            if (queue.Requests.Count() > 0)
            {
                var current = (from request in queue.Requests
                               where !request.Activity.IsPending()
                               select request).SingleOrDefault();
                if (current != null) projectName = current.Project.Name;
            }
            SubItems[3].Text = projectName;
        }
        #endregion
        #endregion
    }
}