using System;
using System.Collections.Generic;
using System.Text;

namespace MPQ.Updater
{

    public class MPQUpdaterEvent
    {
        public const int TYPE_COMPLETE = 1;
        public const int TYPE_VALIDATING = 2;
        public const int TYPE_DOWNLOADING = 3;
        public const int TYPE_UNZIP = 4;
        public const int TYPE_ERROR = -1;
        public const int TYPE_NOT_ENOUGH_SPACE = -2;
        public const int TYPE_NA = 0;
        public int EventType { get; private set; }
        public string Message { get; private set; }
        public Exception Cause { get; private set; }


        public MPQUpdaterEvent(int type, string message, Exception err=null)
        {
            this.EventType = type;
            this.Message = message;
            this.Cause = err;
        }

        override public string ToString()
        {
            string ret = "Code=" + EventType;
            if (Message != null)
                return "\n" + Message;
            if (Cause != null)
                return "\n" + Cause.Message;
            return ret;
        }
    }

    public interface MPQUpdaterListener
    {
        void onEvent(MPQUpdater updater, MPQUpdaterEvent e);

    }

}