using System;
using System.Collections.Generic;

namespace BlubbFish.Utils.IoT.Connector {
  public abstract class ADataBackend {

    public abstract event MqttMessage MessageIncomming;
    public abstract event MqttMessage MessageSending;
    public delegate void MqttMessage(Object sender, MqttEventArgs e);

    public static ADataBackend GetInstance(Dictionary<String, String> dictionary) {
      String object_sensor = "BlubbFish.Utils.IoT.Connector." + Char.ToUpper(dictionary["type"][0]) + dictionary["type"].Substring(1).ToLower();
      Type t = null;
      try {
        t = Type.GetType(object_sensor, true);
      } catch (TypeLoadException) {
        throw new ArgumentException("settings.ini: " + dictionary["type"] + " is not a Connector");
      }
      return (ADataBackend)t.GetConstructor(new Type[] { typeof(Dictionary<String, String>) }).Invoke(new Object[] { dictionary });
    }

    public abstract void Send(String topic, String data);

    public abstract void Dispose();
  }
  public class MqttEventArgs : EventArgs {
    public MqttEventArgs() : base() { }
    public MqttEventArgs(String message, String topic) {
      this.Topic = topic;
      this.Message = message;
      this.Date = DateTime.Now;
    }

    public String Topic { get; private set; }
    public String Message { get; private set; }
    public DateTime Date { get; private set; }
  }
}