using System;

using System.Text;



using Android.App;

using Android.Content;

using Android.Runtime;

using Android.Views;

using Android.Widget;

using Android.OS;

using Android.Util;



namespace C2dmSharp.Client.Sample

{

	[Activity(Label = "C2DM-Sharp Sample", MainLauncher = true, 

		LaunchMode= Android.Content.PM.LaunchMode.SingleTask)]

	public class DefaultActivity : Activity

	{

		//NOTE: You need to put your own email here!

		// Whichever one you registered as the 'Role' email with google

		public const string senderIdEmail = "redthc2dm@gmail.com";





		TextView textRegistrationStatus = null;

		TextView textRegistrationId = null;

		TextView textLastMsg = null;

		Button buttonRegister = null;

		bool registered = false;



		protected override void OnCreate(Bundle bundle)

		{

			base.OnCreate(bundle);



			// Set our view from the "main" layout resource

			SetContentView(Resource.Layout.main);



			textRegistrationStatus = FindViewById<TextView>(Resource.Id.textRegistrationStatus);

			textRegistrationId = FindViewById<TextView>(Resource.Id.textRegistrationId);

			textLastMsg = FindViewById<TextView>(Resource.Id.textLastMessage);

			buttonRegister = FindViewById<Button>(Resource.Id.buttonRegister);



			Log.Info("C2DM-Sharp-UI", "Hello World");



			this.buttonRegister.Click += delegate

			{

				if (!registered)

				{

					Log.Info("C2DM-Sharp", "Registering...");

					C2dmSharp.Client.C2dmClient.Register(this, senderIdEmail);

				}

				else

				{

					Log.Info("C2DM-Sharp", "Unregistering...");

					C2dmSharp.Client.C2dmClient.Unregister(this);

				}



				RunOnUiThread(() =>

				{

					//Disable the button so that we can't click it again

					//until we get back to the activity from a notification

					this.buttonRegister.Enabled = false;

				});

			};			

		}



		protected override void OnResume()

		{

			base.OnResume();



			updateView();

		}



		void updateView()

		{

			//Get the stored latest registration id

			var registrationId = C2dmClient.GetRegistrationId(this);



			//If it's empty, we need to register

			if (string.IsNullOrEmpty(registrationId))

			{

				registered = false;

				this.textRegistrationStatus.Text = "Registered: No";

				this.textRegistrationId.Text = "Id: N/A";

				this.buttonRegister.Text = "Register...";



				Log.Info("C2DM-Sharp", "Not registered...");

			}

			else

			{

				registered = true;

				this.textRegistrationStatus.Text = "Registered: Yes";

				this.textRegistrationId.Text = "Id: " + registrationId;

				this.buttonRegister.Text = "Unregister...";



				Log.Info("C2DM-Sharp", "Already Registered: " + registrationId);

			}



			var prefs = GetSharedPreferences("c2dm.client.sample", FileCreationMode.Private);

			this.textLastMsg.Text = "Last Msg: " + prefs.GetString("last_msg", "N/A");



			//Enable the button as it was normally disabled

			this.buttonRegister.Enabled = true;

		}

	}

}