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 TradeIdeas.TIProGUI;
using TradeIdeas.TIProData;

namespace TradeIdeas.Dashboard
{
    public partial class SelectWatchList : Form
    {
        private readonly IConnectionMaster _connectionMaster;

        private static readonly object CREATE_NEW_WATCHLIST = "Create new watchlist";

        /// <summary>
        /// This is for use in the list box.
        /// We can't use the objects exported by the SymbolListsCache directly because we want to adjust
        /// the names before showing the user.
        /// </summary>
        private class WindowDescription
        {
            public int ListId;
            public string WindowName;
            public override string ToString()
            {   
                return WindowName;
            }
        }

        /// <summary>
        /// The intent is to use this as a dialog box.
        /// The window will dispose of itself when the user hits the button.
        /// </summary>
        /// <param name="connectionMaster"></param>
        public SelectWatchList(IConnectionMaster connectionMaster)
        {
            _connectionMaster = connectionMaster;
            InitializeComponent();
            SymbolListsCacheManager cache = GuiEnvironment.GetSymbolListsCacheManager(_connectionMaster);
            // TODO Add a "please wait" item?
            foreach (SymbolListsCacheManager.SymbolListInfo symbolListInfo in cache.GetSymbolLists())
            {
                WatchList.ParsedName parsedName = new WatchList.ParsedName(symbolListInfo.Name);
                if (parsedName.OneOfOurs)
                    listBox1.Items.Add(new WindowDescription {ListId = symbolListInfo.Id,
                        WindowName = parsedName.WindowName + symbolListInfo.SizeSuffix});
            }
            listBox1.Items.Add(CREATE_NEW_WATCHLIST);
            // Simple invariant:  Something is always selected.
            listBox1.SelectedIndex = 0;
        }

        private void showWatchlistButton_Click(object sender, EventArgs e)
        {
            Visible = false;
            object selectedObject = listBox1.SelectedItem;
            if (selectedObject == CREATE_NEW_WATCHLIST)
                WatchList.CreateNew(_connectionMaster);
            else
                WatchList.Show(_connectionMaster, (selectedObject as WindowDescription).ListId);
            Dispose();
        }

        private void listBox1_DoubleClick(object sender, EventArgs e)
        {
            showWatchlistButton.PerformClick();
        }

    }
}