package com.beem.project.beem.ui;

import java.util.ArrayList;

import java.util.HashMap;

import java.util.List;

import java.util.Map;

import android.app.ExpandableListActivity;

import android.content.Context;

import android.content.Intent;

import android.content.SharedPreferences;

import android.content.SharedPreferences.OnSharedPreferenceChangeListener;

import android.graphics.drawable.Drawable;

import android.os.Bundle;

import android.os.Handler;

import android.os.RemoteException;

import android.util.Log;

import android.view.Menu;

import android.view.MenuInflater;

import android.view.MenuItem;

import android.view.View;

import android.view.ViewGroup;

import android.widget.ExpandableListAdapter;

import android.widget.ExpandableListView;

import android.widget.ImageView;

import android.widget.SimpleExpandableListAdapter;

import android.widget.TextView;

import com.beem.project.beem.BeemApplication;

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.IBeemRosterListener;

import com.beem.project.beem.service.aidl.IRoster;

import com.beem.project.beem.service.aidl.IXmppFacade;

public class ContactList extends ExpandableListActivity {

    private static final String TAG = "CONTACTLIST_ACT";

    private static final int PREFERENCECHANGED = 0; 

    private IXmppFacade mService = null;

    private SharedPreferences mSettings;

    private Handler mHandler;

    private BeemApplication mBeemApplication;

    private BeemRosterListener mRosterListener;

    private IRoster mRoster;

    @SuppressWarnings("unchecked")

    @Override

    public boolean onChildClick(ExpandableListView parent, View v,

	    int groupPosition, int childPosition, long id) {

	Intent i = new Intent(this, SendIM.class);

	Map<String, Contact> child = (HashMap<String, Contact>) parent

		.getExpandableListAdapter().getChild(groupPosition,

			childPosition);

	i.putExtra("contact", child.get("CHILD"));

	startActivity(i);

	return true;

    }

    @Override

    protected void onCreate(Bundle saveBundle) {

	super.onCreate(saveBundle);

	mHandler = new Handler();

	mBeemApplication = BeemApplication.getApplication(this);

	mSettings = getSharedPreferences(

		getString(R.string.PreferenceFileName), MODE_PRIVATE);

	mRosterListener = new BeemRosterListener();

    }

    @Override

    protected void onStart() {

	super.onStart();

	mBeemApplication.startBeemService();

    }

    @Override

    protected void onResume() {

	super.onResume();

	/*

	 * @TODO: A ameliorer apres listener de nikita

	 */

	Log.i(TAG, "onResume");

	mBeemApplication.callWhenConnectedToServer(mHandler, new Runnable() {

	    @Override

	    public void run() {

		mService = mBeemApplication.getXmppFacade();

		try {

		    mRoster = mService.getRoster();

		} catch (RemoteException e1) {

		    e1.printStackTrace();

		}

		if (mRoster != null) {

		    try {

			mRoster.addConnectionListener(mRosterListener);

		    } catch (RemoteException e) {

			e.printStackTrace();

		    }

		}

		callbackShowContactList();

	    }

	});

    }

    private void callbackShowContactList() {

	/*

	 * @TODO: A ameliorer apres listener de nikita

	 */

	if (mRoster != null)

	    try {

		showContactList(mRoster.getGroupsNames(), mRoster

			.getContactList());

	    } catch (RemoteException e) {

		e.printStackTrace();

	    }

    }

    /**

     * Callback for menu creation.

     * 

     * @param menu

     *            the menu created

     * @return true on success, false otherwise

     */

    @Override

    public final boolean onCreateOptionsMenu(Menu menu) {

	super.onCreateOptionsMenu(menu);

	MenuInflater inflater = getMenuInflater();

	inflater.inflate(R.menu.contactlistmenu, menu);

	return true;

    }

    /**

     * Callback for menu item selected.

     * 

     * @param item

     *            the item selected

     * @return true on success, false otherwise

     */

    @Override

    public final boolean onOptionsItemSelected(MenuItem item) {

	switch (item.getItemId()) {

	    case R.id.account_edit:

		startActivityForResult(new Intent(this, ContactListSettings.class), PREFERENCECHANGED);

		return true;

	    case R.id.account_about:

		return true;

	    default:

		return false;

	}

    }

    protected void onActivityResult(int requestCode, int resultCode,

            Intent data) {

        if (requestCode == PREFERENCECHANGED) {

            if (resultCode == RESULT_OK) {

                mBeemApplication.stopBeemService();

                mBeemApplication.startBeemService();

            }            

        }

    }

    private void showContactList(List<String> listGroup,

	    List<Contact> listContact) {

	ExpandableListAdapter Adapter;

	List<Map<String, String>> groupData = new ArrayList<Map<String, String>>();

	List<List<Map<String, Contact>>> childData = new ArrayList<List<Map<String, Contact>>>();

	if (listGroup.size() == 0)

	    listGroup.add("Default");

	for (int i = 0; i < listGroup.size(); i++) {

	    Map<String, String> curGroupMap = new HashMap<String, String>();

	    groupData.add(curGroupMap);

	    curGroupMap.put("GROUP", listGroup.get(i));

	    List<Map<String, Contact>> children = new ArrayList<Map<String, Contact>>();

	    for (int j = 0; j < listContact.size(); ++j) {

		Map<String, Contact> curChildMap = new HashMap<String, Contact>();

		children.add(curChildMap);

		Contact c = listContact.get(j);

		Log.i(TAG, c.getID() + " " + c.getJID());

		curChildMap.put("CHILD", c);

	    }

	    childData.add(children);

	}

	Adapter = new ContactExpandableListAdapter(this, groupData,

		R.layout.contactlistgroup, new String[] { "GROUP" },

		new int[] { R.id.textgroup }, childData,

		R.layout.contactlistcontact, new String[] { "CHILD" },

		new int[] { R.id.contactliststatus, R.id.contactlistpseudo,

			R.id.contactlistmsgperso, R.id.contactlistavatar });

	setListAdapter(Adapter);

    }

    /**

     * A simple adapter which allows you to bind data to specific Views defined

     * within the layout of an Expandable Lists children (Implement

     * getGroupView() to define the layout of parents)

     */

    private class ContactExpandableListAdapter extends

	    SimpleExpandableListAdapter {

	private List<? extends List<? extends Map<String, ?>>> mChildData;

	private String[] mChildFrom;

	private int[] mChildTo;

	public ContactExpandableListAdapter(Context context,

		List<? extends Map<String, ?>> groupData, int groupLayout,

		String[] groupFrom, int[] groupTo,

		List<? extends List<? extends Map<String, ?>>> childData,

		int childLayout, String[] childFrom, int[] childTo) {

	    super(context, groupData, groupLayout, groupFrom, groupTo,

		    childData, childLayout, childFrom, childTo);

	    mChildData = childData;

	    mChildFrom = childFrom;

	    mChildTo = childTo;

	}

	@Override

	public View getChildView(int groupPosition, int childPosition,

		boolean isLastChild, View convertView, ViewGroup parent) {

	    View v;

	    if (convertView == null) {

		v = newChildView(isLastChild, parent);

	    } else {

		v = convertView;

	    }

	    bindView(v, mChildData.get(groupPosition).get(childPosition),

		    mChildFrom, mChildTo, groupPosition, childPosition);

	    return v;

	}

	private void bindView(View view, Map<String, ?> data, String[] from,

		int[] to, int groupPosition, int childPosition) {

	    Contact c = (Contact) data.get(from[0]);

	    if (c != null) {

		ImageView imgV = (ImageView) view.findViewById(to[0]);

		Drawable imageDrawable = null;

		switch (c.getStatus()) {

		    case Contact.CONTACT_STATUS_AVAILABLE:

			imageDrawable = (Drawable) getResources().getDrawable(

				R.drawable.online);

			break;

		    case Contact.CONTACT_STATUS_AVAILABLE_FOR_CHAT:

			imageDrawable = (Drawable) getResources().getDrawable(

				R.drawable.chat);

			break;

		    case Contact.CONTACT_STATUS_AWAY:

			imageDrawable = (Drawable) getResources().getDrawable(

				R.drawable.away);

			break;

		    case Contact.CONTACT_STATUS_BUSY:

			imageDrawable = (Drawable) getResources().getDrawable(

				R.drawable.dnd);

			break;

		    case Contact.CONTACT_STATUS_DISCONNECT:

			imageDrawable = (Drawable) getResources().getDrawable(

				R.drawable.offline);

			break;

		    case Contact.CONTACT_STATUS_UNAVAILABLE:

			imageDrawable = (Drawable) getResources().getDrawable(

				R.drawable.requested);

			break;

		    default:

			imageDrawable = (Drawable) getResources().getDrawable(

				R.drawable.error);

			break;

		}

		imgV.setImageDrawable(imageDrawable);

		TextView v = (TextView) view.findViewById(to[1]);

		if (v != null) {

		    v.setText(c.getJID());

		}

		v = (TextView) view.findViewById(to[2]);

		if (v != null) {

		    v.setText(c.getMsgState());

		}

		/*

		 * @TODO: Rajouter l'avatar du contact getAvatar() dans la

		 * classe

		 */

		imgV = (ImageView) view.findViewById(to[3]);

		if (imgV != null) {

		    imageDrawable = (Drawable) getResources().getDrawable(

			    R.drawable.avatar);

		    imgV.setImageDrawable(imageDrawable);

		}

	    }

	}

    }

    private class BeemRosterListener extends IBeemRosterListener.Stub {

	@Override

	public void onEntriesAdded(List<String> addresses)

		throws RemoteException {

	    Log.i(TAG, "ENTRIES ADDED");

	}

	@Override

	public void onEntriesDeleted(List<String> addresses)

		throws RemoteException {

	    Log.i(TAG, "ENTRIES DEL");

	}

	@Override

	public void onEntriesUpdated(List<String> addresses)

		throws RemoteException {

	    Log.i(TAG, "ENTRIES UPD");

	}

	@Override

	public void onPresenceChanged(PresenceAdapter presence)

		throws RemoteException {

	    Log.i(TAG, "PRESENCE CHANGED");

	}

    }

}