/// François-Régis Colin
/// http://www.tls.cena.fr/products/ivy/
/// *
/// (C) CENA
/// *
/// 

namespace IvyBus
{
    using System;
    using System.IO;
    using System.Collections;
    using System.Collections.Specialized;
    using System.Collections.Generic;
    using System.Net;
    using System.Net.Sockets;
    using System.Threading;
    using System.Configuration;
    using System.Globalization;
    using System.Text.RegularExpressions;
    using System.Text;
    using System.Reflection;
    using System.ComponentModel;
    using System.Diagnostics;

#if (!PocketPC)
    using System.ComponentModel.Design;
    using System.Collections.ObjectModel;
#endif
//    using System.Drawing.Design;


    /// <summary> The Main bus Class
    /// </summary>
    /// 
#if (!PocketPC)
    // Show this property in the property grid.
    [ToolboxItemFilter("System.Windows.Forms.Form", ToolboxItemFilterType.Allow)]
	[Description("IVY Main API")]
#endif
    [DesignerCategory("Component")]
    public class IvyControl :  System.ComponentModel.Component, ISupportInitialize      
    {
        public Ivy ivy;
        private List<IvyApplicationBindingControl> app_bindings;
        
        /* Event */
        [Description("Occurs when a new client connect to the bus")]
        public event EventHandler<IvyEventArgs> ClientConnected 
        {
            remove
            {
                ivy.ClientConnected -= value;
            }
            add
            {
                ivy.ClientConnected += value;
            }

        }
        [Description("Occurs when a client discconnect from the bus")]
        public event EventHandler<IvyEventArgs> ClientDisconnected
        {
            remove
            {
                ivy.ClientDisconnected -= value;
            }
            add
            {
                ivy.ClientDisconnected += value;
            }

        }
       [Description("Occurs when a client receive a direct message from another client")]
        public event EventHandler<IvyEventArgs> DirectMessageReceived
        {
            remove
            {
                ivy.DirectMessageReceived -= value;
            }
            add
            {
                ivy.DirectMessageReceived += value;
            }

        }
        [Description("Occurs when somebody ask for killing every client on the bus")]
        public event EventHandler<IvyDieEventArgs> DieReceived
        {
            remove
            {
                ivy.DieReceived -= value;
            }
            add
            {
                ivy.DieReceived += value;
            }

        }
        [Description("Occurs when a client receive a add binding from another client")]
        public event EventHandler<IvyEventArgs> BindingAdd
        {
            remove
            {
                ivy.BindingAdd -= value;
            }
            add
            {
                ivy.BindingAdd += value;
            }

        }
        [Description("Occurs when a client receive a remove binding from another client")]
        public event EventHandler<IvyEventArgs> BindingRemove
        {
            remove
            {
                ivy.BindingRemove -= value;
            }
            add
            {
                ivy.BindingRemove += value;
            }

        }
        [Description("Occurs when a client receive a binding from another client and it as been filtered ")]
        public event EventHandler<IvyEventArgs> BindingFilter
        {
            remove
            {
                ivy.BindingFilter -= value;
            }
            add
            {
                ivy.BindingFilter += value;
            }

        }
       [Description("Occurs when a client receive a remove binding from another client")]
        public event EventHandler<IvyEventArgs> ErrorMessage
        {
            remove
            {
                ivy.ErrorMessage -= value;
            }
            add
            {
                ivy.ErrorMessage += value;
            }

        }

#if (!PocketPC)
        [Bindable(true)]
        [Category("Ivy")]
#endif
        [DefaultValue(false)]
        public static bool DebugProtocol
        {
            get
            {
                return Ivy.DebugProtocol;
            }
            set
            {
                Ivy.DebugProtocol = value;
            }

        }
#if (!PocketPC)
        [Category("Ivy")]
#endif
        public CultureInfo Culture
        {
            get
            {
                return ivy.Culture;
            }
            set
            {
                ivy.Culture = value;
            }

        }

#if (!PocketPC)
        [Category("Ivy")]
#endif
        public bool  IpV6
        {
            get
            {
                return ivy.IpV6;
            }

        }
      
        /// <summary>AppName the application name</summary>

#if (!PocketPC)
        [Category("Ivy")]
        [Bindable(true)]
#endif
        [DefaultValue(null)]
        public string AppName
        {
            set
            {
                ivy.AppName = value;
            }
            get
            {
                return ivy.AppName;
            }

        }

        ///<summary>SentMessageClasses the first word token of sent messages
        ///<remarks> optimise the parsing process when sending messages </remarks>
        ///</summary>
#if (!PocketPC)
        [Category("Ivy")]

        [DesignerSerializationVisibility(DesignerSerializationVisibility.Content)]
        // sinon bug System.String constructor not found !
        [Editor("System.Windows.Forms.Design.StringCollectionEditor, System.Design", "System.Drawing.Design.UITypeEditor, System.Drawing")]
#endif
        public Collection<string> SentMessageFilter
        {
            get
            {
                return ivy.SentMessageFilter;
            }
        }
        /// <summary>ReadyMessage message send when Application receive all the regexp at the connection of the client</summary>

#if (!PocketPC)
        [Bindable(true)]
        [Category("Ivy")]
#endif
        [DefaultValue(null)]
        public string ReadyMessage
        {
            get { return ivy.ReadyMessage; }
            set { ivy.ReadyMessage = value; }
        }



#if (PocketPC)
#if (!PocketPC)
        [Category("Ivy")]
#endif
        [DefaultValue(null)]
        public System.Windows.Forms.ContainerControl ContainerControl
        {
            get { return parentControl; }
            set
            {
                parentControl = value;
            }
        }
#endif
#if (!PocketPC)
        [Category("Ivy")]
        [DesignerSerializationVisibility(DesignerSerializationVisibility.Content)]
#endif
        public List<IvyApplicationBindingControl> Bindings
        {
            get { return app_bindings; }
        }


        /// <summary>
        /// Initializes a new instance of the <see cref="T:Ivy"/> class.
        /// </summary>
        public IvyControl()
        {
            ivy = new Ivy();
            app_bindings = new List<IvyApplicationBindingControl>();
            
            // get binding from Attribute IvyBinding
            //TODO Autobinding attribute
#if (PocketPC)
            if (parentControl != null)
                BindAttibute(parentControl);
#endif
            Assembly assembly = Assembly.GetCallingAssembly();
            if ( assembly != this.GetType().Assembly )
                ivy.BindAttribute(assembly);
        }
        public IvyControl(IContainer container)
            : this()
        {
            container.Add(this);
            // get binding from Attribute IvyBinding
            //TODO Autobinding attribute
            Assembly assembly = Assembly.GetCallingAssembly();
            if (assembly != this.GetType().Assembly)
                ivy.BindAttribute(assembly);
        }
        /// <summary>
        /// Readies the structures for the software bus connexion.
        /// </summary>
        /// <example> This sample shows how to start working with Ivy.
        /// <code>
        /// Ivy bus = new Ivy("Dummy agent","ready");
        /// bus.bindMsg("(.*)",myMessageListener);
        /// bus.start(null);
        /// </code>
        /// How to send & receive:
        /// the Ivy agent A performs <c>b.bindMsg("^Hello (*)",cb);</c>
        /// the Ivy agent B performs <c>b2.sendMsg("Hello world");</c>
        /// a thread in A will run the callback cb with its second argument set
        /// to a array of string, with one single element, "world"
        /// </example>
        /// <remarks>
        /// the real work begin in the start() method
        /// </remarks>
        /// <seealso cref=" Ivy.start"/>
        /// <param name='name'>The name of your Ivy agent on the software bus
        /// </param>
        /// <param name='message'>The hellow message you will send once ready
        /// </param>
        public IvyControl(string name, string rdy_message)
            : this()
        {
            ivy.AppName = name;
            ivy.ReadyMessage = rdy_message;
            // get binding from Attribute IvyBinding
            //TODO Autobinding attribute
            Assembly assembly = Assembly.GetCallingAssembly();
            if (assembly != this.GetType().Assembly)
                ivy.BindAttribute(assembly);
        }

        protected override void Dispose(bool disposing)
        {
             try
             {
                 if (disposing && ivy != null )
                 {
                     ivy.Stop();
                     ivy.Dispose();
                 }
             }
             finally
             {
                 base.Dispose(disposing);
             } 
        }
          

        /// <summary> 
        /// Send a formated message to someone on the bus
        /// </summary>
        /// <remarks>
        /// Performs a pattern matching according to everyone's regexps, and sends
        /// the results to the relevant ivy agents.
        /// There is one thread for each client connected, we could also
        /// create another thread each time we send a message.
        /// </remarks>
        /// <param name='format'>A string message format to build  the message
        /// <param name='args'>args used in message format
        /// <returns>
        /// the number of messages actually sent
        /// </returns>
        public int SendMsg(string format, params object[] args)
        {
            return ivy.SendMsg(format, args);
        }
        // 
        public int BindMsg(IvyApplicationBinding newbind)
        {     
            return ivy.BindMsg(newbind);
        }
        /// <summary>
        /// Subscribes to a regular expression.
        /// </summary>
        /// <param name="regexp">a regular expression, groups are done with parenthesis</param>
        /// <param name="callback">any objects implementing the Ivy.MessageListener</param>
        /// <param name="args">The args.</param>
        /// <returns>the id of the regular expression</returns>
        /// <remarks>
        /// The callback will be executed with
        /// the saved parameters of the regexp as arguments when a message will sent
        /// by another agent. A program doesn't receive its own messages.
        /// </remarks>
        //
        public int BindMsg(string regexp, EventHandler<IvyMessageEventArgs> callback, params object[] args)
        {
            return ivy.BindMsg(regexp, callback,args);
        }

        /// <summary>
        /// unsubscribes a regular expression
        /// </summary>
        /// <param name="id">the id of the regular expression, returned when it was bound</param>
        public void UnbindMsg(int id)
        {
            ivy.UnbindMsg(id);
        }

        /// <summary>
        /// unsubscribes a regular expression
        /// </summary>
        /// <param name="re">the string for the regular expression</param>
        /// <returns>
        /// a boolean, true if the regexp existed, false otherwise or
        /// whenever an exception occured during unbinding
        /// </returns>
        public bool UnbindMsg(string re)
        {
            return ivy.UnbindMsg(re);
        }


        /// <summary>
        /// Subscribes to a simple expression ( msg ar1 arg2 arg3 etc).
        /// </summary>
        /// <remarks>
        /// The callback will be executed with
        /// the saved parameters of the regexp as arguments when a message will sent
        /// by another agent. A program doesn't receive its own messages.
        /// </remarks>
        /// 
        /// <param name='regexp'>a regular expression, groups are done with parenthesis
        /// <param name='callback'>any objects implementing the EventHandler<IvyMessageEventArgs>
        /// <returns>
        /// the id of the regular expression
        /// </returns>
        public int BindSimpleMsg(string expression, EventHandler<IvyMessageEventArgs> callback, params object[] args)
        {
            return ivy.BindSimpleMsg(expression, callback, args);
        }
 
        /// <summary>
        /// gives a list of IvyClient(s) with the name given in parameter
        /// </summary>
        /// <param name="name">The name of the Ivy agent you're looking for</param>
        /// <returns></returns>
        public ReadOnlyCollection<IvyClient> GetClientsByName(string name)
        {
            
            return ivy.GetClientsByName( name );
        }


        #region ISupportInitialize Members

        public void BeginInit()
        {
       
        }

        public void EndInit()
        {
            // TODO ugly should be added directly the bindings Dictionary !
            foreach (IvyApplicationBindingControl bind in app_bindings)
            {
                ivy.BindMsg(bind.binding);
            }
        }

        #endregion

    }
}