package com.beem.project.beem.ui;

import java.util.List;

import org.jivesoftware.smack.packet.Presence;

import android.app.Activity;
import android.app.AlertDialog;
import android.app.Dialog;
import android.content.ComponentName;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.ServiceConnection;
import android.os.Bundle;
import android.os.IBinder;
import android.os.RemoteException;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Gallery;
import android.widget.TextView;
import android.widget.Toast;

import com.beem.project.beem.BeemService;
import com.beem.project.beem.R;
import com.beem.project.beem.service.Contact;
import com.beem.project.beem.service.PresenceAdapter;
import com.beem.project.beem.service.aidl.IRoster;
import com.beem.project.beem.service.aidl.IXmppFacade;
import com.beem.project.beem.utils.BeemBroadcastReceiver;

/**
 * This activity class provides the view for user infos after long click on a correspondant.
 * @author marseille
 */
public class UserInfo extends Activity {

    private static final Intent SERVICE_INTENT = new Intent();
    private final ServiceConnection mServConn = new BeemServiceConnection();
    private TextView mTextAlias;
    private Gallery mGalleryGroups;
    private Contact mContact;
    private IXmppFacade mXmppFacade;
    private BeemBroadcastReceiver mReceiver;
    private String mJID;

    static {
	SERVICE_INTENT.setComponent(new ComponentName("com.beem.project.beem", "com.beem.project.beem.BeemService"));
    }

    /**
     * Constructor.
     */
    public UserInfo() {
    }

    /**
     * {@inheritDoc}
     */
    @Override
    protected void onCreate(Bundle savedInstanceState) {
	super.onCreate(savedInstanceState);
	setContentView(R.layout.userinfo);
	View v = (View) findViewById(R.id.userinfo_layout_alias);
	v.setOnClickListener(new AliasListener());
	v = findViewById(R.id.userinfo_layout_delete);
	v.setOnClickListener(new DeleteListener());
	v = findViewById(R.id.userinfo_layout_chg_group);
	v.setOnClickListener(new GroupListener());
	v = findViewById(R.id.userinfo_layout_re_suscription);
	v.setOnClickListener(new ResendListener());
	mTextAlias = (TextView) findViewById(R.id.userinfo_alias);
	mGalleryGroups = (Gallery) findViewById(R.id.userinfo_groups);
	mReceiver = new BeemBroadcastReceiver(mServConn);
	mJID = getIntent().getData().getEncodedSchemeSpecificPart();
    }

    /**
     * {@inheritDoc}
     */
    @Override
    protected void onResume() {
	super.onResume();
	this.registerReceiver(mReceiver, new IntentFilter(BeemBroadcastReceiver.BEEM_CONNECTION_CLOSED));
	bindService(new Intent(this, BeemService.class), mServConn, BIND_AUTO_CREATE);
	mReceiver.setBinded();
    }

    /**
     * {@inheritDoc}
     */
    @Override
    protected void onPause() {
	super.onPause();
	this.unregisterReceiver(mReceiver);
	if (mReceiver.isBinded())
	    unbindService(mServConn);
    }

    /**
     * Event simple click on layout alias.
     */
    private class AliasListener implements View.OnClickListener {
	/**
	 * Constructor.
	 */
	public AliasListener() {
	}

	@Override
	public void onClick(View v) {
	    Dialog d = new DialogAlias();
	    d.show();
	}

    }

    /**
     * Event simple click on layout group.
     */
    private class GroupListener implements View.OnClickListener {
	/**
	 * Constructor.
	 */
	public GroupListener() {
	}

	@Override
	public void onClick(View v) {
	    Intent i = new Intent(UserInfo.this, GroupList.class);
	    i.putExtra("JID", mContact.getJID());
	    startActivity(i);
	}

    }

    /**
     * Create dialog alias.
     */
    public class DialogAlias extends Dialog {

	/**
	 * Constructor.
	 */
	public DialogAlias() {
	    super(UserInfo.this);
	    setContentView(R.layout.contactdialogaliasdialog);
	    setTitle(mContact.getJID());
	    EditText nameText = (EditText) findViewById(R.id.CDAliasDialogName);
	    if (mContact.getName().length() == 0)
		nameText.setText(mContact.getJID());
	    else
		nameText.setText(mContact.getName());
	    Button ok = (Button) findViewById(R.id.CDAliasDialogOk);
	    ok.setOnClickListener(new ContactDialogAliasDialogOK());
	}

	/**
	 * Event click on the button OK.
	 */
	private class ContactDialogAliasDialogOK implements View.OnClickListener {

	    /**
	     * Constructor.
	     */
	    public ContactDialogAliasDialogOK() {
	    }

	    @Override
	    public void onClick(View v) {
		IRoster r;
		try {
		    r = mXmppFacade.getRoster();
		    if (r != null) {
			EditText nameText = (EditText) findViewById(R.id.CDAliasDialogName);
			String name = nameText.getText().toString();
			if (name.length() == 0)
			    name = mContact.getJID();
			r.setContactName(mContact.getJID(), name);
			mContact.setName(name);
			mTextAlias.setText(name);
		    }
		} catch (RemoteException e) {
		    e.printStackTrace();
		}
		dismiss();
	    }
	}
    }

    /**
     * Adapter group horizontal list.
     */
    public class BeemGroups extends BaseAdapter {
	private Context mContext;
	private List<String> mListGroup;

	/**
	 * Constructor.
	 * @param c context activity.
	 * @param listGroup the user group list.
	 */
	public BeemGroups(final Context c, final List<String> listGroup) {
	    mContext = c;
	    if (listGroup.size() == 0)
		listGroup.add("No Group");
	    mListGroup = listGroup;
	}

	/**
	 * {@inheritDoc}
	 */
	@Override
	public int getCount() {
	    return mListGroup.size();
	}

	/**
	 * {@inheritDoc}
	 */
	@Override
	public Object getItem(int position) {
	    return position;
	}

	/**
	 * {@inheritDoc}
	 */
	@Override
	public long getItemId(int position) {
	    return position;
	}

	/**
	 * {@inheritDoc}
	 */
	@Override
	public View getView(int position, View convertView, ViewGroup parent) {
	    TextView textView = new TextView(mContext);
	    textView.setText(mListGroup.get(position));
	    return textView;
	}

    }

    /**
     * Event simple click on layout resend suscription.
     */
    class ResendListener implements View.OnClickListener {

	/**
	 * Constructor.
	 */
	public ResendListener() {
	}

	@Override
	public void onClick(View v) {

	    AlertDialog.Builder builder = new AlertDialog.Builder(UserInfo.this);
	    builder.setMessage(UserInfo.this.getString(R.string.userinfo_sureresend)).setCancelable(false)
		.setPositiveButton(UserInfo.this.getString(R.string.userinfo_yes),
		    new DialogInterface.OnClickListener() {
			public void onClick(DialogInterface dialog, int id) {
			    Presence presencePacket = new Presence(Presence.Type.subscribe);
			    presencePacket.setTo(mContact.getJID());
			    try {
				mXmppFacade.sendPresencePacket(new PresenceAdapter(presencePacket));
			    } catch (RemoteException e) {
				e.printStackTrace();
			    }
			    Toast.makeText(UserInfo.this, getString(R.string.userinfo_resend), Toast.LENGTH_SHORT)
				.show();
			}
		    }).setNegativeButton(UserInfo.this.getString(R.string.userinfo_no),
		    new DialogInterface.OnClickListener() {
			public void onClick(DialogInterface dialog, int id) {
			    dialog.cancel();
			}
		    });
	    AlertDialog alert = builder.create();
	    alert.show();
	}

    }

    /**
     * Event simple click on layout delete.
     */
    class DeleteListener implements View.OnClickListener {

	/**
	 * Constructor.
	 */
	public DeleteListener() {
	}

	@Override
	public void onClick(View v) {
	    AlertDialog.Builder builder = new AlertDialog.Builder(UserInfo.this);
	    builder.setMessage(UserInfo.this.getString(R.string.userinfo_sure2delete)).setCancelable(false)
		.setPositiveButton(UserInfo.this.getString(R.string.userinfo_yes),
		    new DialogInterface.OnClickListener() {
			public void onClick(DialogInterface dialog, int id) {
			    try {
				mXmppFacade.getRoster().deleteContact(mContact);
			    } catch (RemoteException e) {
				e.printStackTrace();
			    }
			}
		    }).setNegativeButton(UserInfo.this.getString(R.string.userinfo_no),
		    new DialogInterface.OnClickListener() {
			public void onClick(DialogInterface dialog, int id) {
			    dialog.cancel();
			}
		    });
	    AlertDialog alert = builder.create();
	    alert.show();
	}
    }

    /**
     * The ServiceConnection used to connect to the Beem service.
     */
    private class BeemServiceConnection implements ServiceConnection {

	/**
	 * Constructor.
	 */
	public BeemServiceConnection() {
	}

	/**
	 * {@inheritDoc}
	 */
	@Override
	public void onServiceConnected(ComponentName name, IBinder service) {
	    mXmppFacade = IXmppFacade.Stub.asInterface(service);
	    try {
		IRoster r = mXmppFacade.getRoster();
		if (r != null) {

		    setTitle(mJID);
		    mContact = r.getContact(mJID);
		    mTextAlias.setText(mContact.getName());
		    mGalleryGroups.setAdapter(new BeemGroups(UserInfo.this, mContact.getGroups()));
		}
	    } catch (RemoteException e) {
		e.printStackTrace();
	    }
	}

	/**
	 * {@inheritDoc}
	 */
	@Override
	public void onServiceDisconnected(ComponentName name) {
	    mXmppFacade = null;
	}
    }
}
