/*********************************************************************/
/*                                                                   */
/*                     AgentService Framework                        */
/*                       www.agentservice.it                         */
/*                                                                   */
/* Copyright (C) 2007 l.i.d.o. - DIST, University of Genoa, Italy    */
/* GNU Lesser General Public License                                 */
/*                                                                   */
/* This library is free software; you can redistribute it and/or     */
/* modify it under the terms of the GNU Lesser General Public        */
/* License as published by the Free Software Foundation,             */
/* version 2.1 of the License.                                       */
/*                                                                   */
/* This library is distributed in the hope that it will be useful,   */
/* but WITHOUT ANY WARRANTY; without even the implied warranty of    */
/* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU */
/* Lesser General Public License for more details.                   */
/*                                                                   */
/* You should have received a copy of the GNU Lesser General Public  */
/* License along with this library; if not, write to the             */
/* Free Software Foundation, Inc., 59 Temple Place - Suite 330,      */
/* Boston, MA  02111-1307, USA.                                      */
/*                                                                   */
/*********************************************************************/
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Runtime.Serialization;
using AgentService.Platform;
using System.IO;
using AgentService.Platform.AMS;

namespace AgentService.Agent.Runtime
{
    /// <summary>
    /// Events to send to remote platforms
    /// </summary>
    [DataContract]
    public class RemoteEvent
    {
        /// <summary>
        /// The AID of the recipient agent
        /// </summary>
        private AID recipient;
        [DataMember]
        public AID Recipient
        {
            get
            {
                return this.recipient;
            }
            set
            {
                this.recipient = value;
            }
        }

        /// <summary>
        /// type of the event
        /// </summary>
        private PlatformEvent type;
        [DataMember]
        public PlatformEvent Type
        {
            get
            {
                return this.type;
            }

            set
            {
                this.type = value;
            }
        }

        /// <summary>
        /// name of the event, in case of
        /// custom events, the name distinguish
        /// the type of the event
        /// </summary>
        private string name;
        [DataMember]
        public string Name
        {
            get
            {
                return this.name;
            }
            set
            {
                this.name = value;
            }
        }

        /// <summary>
        /// a string containing a binary serialization of the 
        /// event arguments
        /// </summary>
        private string encodedArgs;
        [DataMember]
        public string EncodedArgs
        {
            get
            {
                return this.encodedArgs;
            }
            set
            {
                this.encodedArgs = value;
            }
        }

        /// <summary>
        /// Constructs a PlatformEventArgsobject by specifying the 
        /// given PlatformEvent.
        /// </summary>
        /// <param name="type">declares the type of the event</param>
        /// <param name="name">name of the event</param>
        public RemoteEvent(AID to, PlatformEvent type, string name, Object args)
        {
            this.recipient = to;
            this.type = type;
            switch (this.type)
            {
                case PlatformEvent.AgentCreated: this.name = "AgentCreated"; break;
                case PlatformEvent.AgentPersisted: this.name = "AgentPersisted"; break;
                case PlatformEvent.AgentStopped: this.name = "AgentStopped"; break;
                case PlatformEvent.AgentResumed: this.name = "AgentResumed"; break;
                case PlatformEvent.AgentWokenUp: this.name = "AgentWokenUp"; break;

                case PlatformEvent.AssemblyRemoved: this.name = "AssemblyRemoved"; break;
                case PlatformEvent.AssemblyUploaded: this.name = "AssemblyUploaded"; break;

                case PlatformEvent.ConversationRequested: this.name = "ConversationRequested"; break;
                case PlatformEvent.ConversationAccepted: this.name = "ConversationAccepted"; break;
                case PlatformEvent.ConversationRefused: this.name = "ConversationRefused"; break;
                case PlatformEvent.ConversationClosed: this.name = "ConversationClosed"; break;
                case PlatformEvent.MessageSent: this.name = "MessageSent"; break;
                case PlatformEvent.MessageReceived: this.name = "MessageReceived"; break;
                case PlatformEvent.MessageBatch: this.name = "MessageBatch"; break;

                default:
                    {
                        // custom events
                        this.name = name;
                    } break;
            }

            if (args != null)
            {
                MemoryStream mem = new MemoryStream();
                CompactFormatter.CompactFormatterPlus cfp = new CompactFormatter.CompactFormatterPlus();
                cfp.Serialize(mem, args);

                byte[] b = mem.ToArray();
                encodedArgs = Convert.ToBase64String(b);
            }

        }
    }
}