using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using FS = FreeSWITCH;
using System.Threading;

namespace FScratch
{
    public class Class1 : FS.ILoadNotificationPlugin, FS.IApiPlugin, IDisposable
    {
        private FS.Native.EventConsumer _ec;
        private Thread _proc;
        private List<IDisposable> _bind = new List<IDisposable>();
        private volatile bool _stop = false;

        protected void log(string fmt, params object[] args)
        {
            FS.Log.WriteLine(FS.LogLevel.Info, string.Format(fmt, args));
        }

        public bool Load()
        {

            log("ILoadNotificationPlugin.Load");
            _ec = new FS.Native.EventConsumer("CUSTOM", "conference::maintenance", 5000);
            _ec.bind("CUSTOM", "avmd::beep");
            _proc = new Thread(new ThreadStart(Tproc));
            _proc.IsBackground = true;
            _proc.Start();
            _bind.Add(FS.EventBinding.Bind("atoid1", FS.Native.switch_event_types_t.SWITCH_EVENT_CUSTOM, "conference::maintenance", ea =>
            {
                log("BIND BIND EVENT {0}", ea.EventObj.subclass_name);
            }, true));
            _bind.Add(FS.EventBinding.Bind("atoid2", FS.Native.switch_event_types_t.SWITCH_EVENT_SHUTDOWN, null, ea =>
            {
                this.Dispose();
            }, false));
            return true;

        }

        protected void Tproc()
        {
            log("Proc thread started");
            try
            {
                while (!_stop)
                {
                    var ev = _ec.pop(1, 5000);
                    if (ev != null)
                    {
                        log("Event: {0}\n{1}", ev.GetEventType(), ev.GetHeader("Event-Subclass"));
                    }
                    else
                    {
                        log("NO EVENT!");
                    }
                }
            }
            catch (Exception ex)
            {
                log("Error: {0}", ex);
            }
        }



        public FS.PluginOptions GetOptions()
        {
            log("GetOptions!");
            var po = new FS.PluginOptions();
            return po;
        }

        public void Execute(FS.ApiContext context)
        {
            log("Execute {0}", context.Arguments);
        }

        public void ExecuteBackground(FS.ApiBackgroundContext context)
        {
            log("Execute background {0}", context.Arguments);
        }

        public void Dispose()
        {
            log("DISPOSE ****\n\n\n*****\n\n\n");
            _stop = true;
            if (_proc != null)
            {
                _proc.Interrupt();
                _proc.Join();
            }
            log("** Thread done!");
            if (_ec != null)
            {
                _ec.Dispose();
                _ec = null;
            }
            log("** EC done");
            foreach (var d in _bind)
            {
                if (d != null) d.Dispose();
            }
            _bind = new List<IDisposable>();
            log("** STOPPED");
        }
    }
}