using System.Xml;
using TradeIdeas.ServerConnection;
using TradeIdeas.TIProData.Interfaces;
using TradeIdeas.XML;

namespace TradeIdeas.TIProData
{
    /// <summary>
    /// This ia a container class
    /// </summary>
    public class CompanyProfileInfo
    {
        public CompanyProfileInfo(string symbol, string summary, string country, string website)
        {
            Symbol = symbol;
            Summary = summary;
            Country = country;
            Website = website;
        }
        public string Symbol { get; }
        public string Summary { get; }
        public string Country { get; }
        public string Website { get; }
    }


    /// <summary>
    /// This is a notification when the server sends us data to populate the <see cref="CompanyProfileManager"/> object.
    /// </summary>
    /// <param name="sender">The object which now has data.</param>
    public delegate void CompanyProfileReceived(CompanyProfileInfo companyProfileInfo);

    /// <summary>
    /// This class provides access to company profile text for a given symbol
    /// </summary>
    public class CompanyProfileManager
    {

        private ISendManager _sendManager;
        /// <summary>
        /// This is the event-driven way to know when data is available.
        /// </summary>
        public event CompanyProfileReceived ProfileReceived;

        /// <param name="sendManager">A pointer to (the relevant part of) the server connection.</param>
        public CompanyProfileManager(ISendManager sendManager)
        {
            _sendManager = sendManager;
        }
        
        public void RequestNow(string symbol)
        {
            _sendManager.SendMessage(TalkWithServer.CreateMessage("command", "get_profile", "symbol", symbol), Response);
        }
        private void Response(byte[] body, object clientId)
        {
            if (null == body)
            {
                return;
            }
            XmlDocument wholeMessage = XmlHelper.Get(body);
            XmlNode profileNode = wholeMessage.Node(0).Node("PROFILE");
            if (profileNode != null)
            {
                string symbol = profileNode.Property("SYMBOL");
                string summary = profileNode.Text();
                string country = profileNode.Property("COUNTRY");
                string website = profileNode.Property("WEBSITE");
                CompanyProfileInfo companyProfileInfo = new CompanyProfileInfo(symbol, summary, country, website );


                CompanyProfileReceived callback = ProfileReceived;
                if (null != callback)
                    try
                    {
                        callback(companyProfileInfo);
                    }
                    catch { }
            }            
        }
    }
}