package com.beem.project.beem.ui;

import android.app.Activity;

import android.content.ComponentName;

import android.content.Intent;

import android.content.IntentFilter;

import android.content.ServiceConnection;

import android.content.SharedPreferences;

import android.content.SharedPreferences.Editor;

import android.os.Bundle;

import android.os.IBinder;

import android.os.RemoteException;

import android.preference.PreferenceManager;

import android.util.Log;

import android.view.View;

import android.view.View.OnClickListener;

import android.widget.ArrayAdapter;

import android.widget.Button;

import android.widget.EditText;

import android.widget.Spinner;

import android.widget.Toast;

import com.beem.project.beem.BeemService;

import com.beem.project.beem.R;

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

import com.beem.project.beem.utils.BeemBroadcastReceiver;

import com.beem.project.beem.utils.Status;

/**

 * This Activity is used to change the status.

 * @author nikita

 */

public class ChangeStatus extends Activity {

    private static final Intent SERVICE_INTENT = new Intent();

    static {

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

    }

    private static final int AVAILABLE_FOR_CHAT_IDX = 0;

    private static final int AVAILABLE_IDX = 1;

    private static final int BUSY_IDX = 2;

    private static final int AWAY_IDX = 3;

    private static final int UNAVAILABLE_IDX = 4;

    private static final int DISCONNECTED_IDX = 5;

    private EditText mStatusMessageEditText;

    private Toast mToast;

    private Button mOk;

    private Button mClear;

    private Spinner mSpinner;

    private SharedPreferences mSettings;

    private ArrayAdapter<CharSequence> mAdapter;

    private IXmppFacade mXmppFacade;

    private final ServiceConnection mServConn = new BeemServiceConnection();

    private final OnClickListener mOnClickOk = new MyOnClickListener();

    private BeemBroadcastReceiver mReceiver;

    /**

     * Constructor.

     */

    public ChangeStatus() {

    }

    /**

     * {@inheritDoc}

     */

    @Override

    protected void onCreate(Bundle savedInstanceState) {

	super.onCreate(savedInstanceState);

	setContentView(R.layout.changestatus);

	mOk = (Button) findViewById(R.id.ChangeStatusOk);

	mOk.setOnClickListener(mOnClickOk);

	mClear = (Button) findViewById(R.id.ChangeStatusClear);

	mClear.setOnClickListener(mOnClickOk);

	mSettings = PreferenceManager.getDefaultSharedPreferences(this);

	mStatusMessageEditText = (EditText) findViewById(R.id.ChangeStatusMessage);

	mStatusMessageEditText.setText(getPreferenceString(R.string.PreferenceStatusText));

	mSpinner = (Spinner) findViewById(R.id.ChangeStatusSpinner);

	mAdapter = ArrayAdapter.createFromResource(this, R.array.status_types, android.R.layout.simple_spinner_item);

	mAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);

	mSpinner.setAdapter(mAdapter);

	mToast = Toast.makeText(this, R.string.ChangeStatusOk, Toast.LENGTH_LONG);

	mSpinner.setSelection(getPreferenceStatusIndex());

	mReceiver = new BeemBroadcastReceiver(mServConn);

	this.registerReceiver(mReceiver, new IntentFilter(BeemBroadcastReceiver.BEEM_CONNECTION_CLOSED));

    }

    /**

     * {@inheritDoc}

     */

    @Override

    protected void onResume() {

	super.onResume();

	bindService(new Intent(this, BeemService.class), mServConn, BIND_AUTO_CREATE);

	mReceiver.setBinded(true);

    }

    /**

     * {@inheritDoc}

     */

    @Override

    protected void onPause() {

	super.onPause();

	Log.d("TAG", "pause");

	if (mReceiver.isBinded()) {

	    unbindService(mServConn);

	    mReceiver.setBinded(false);

	}

    }

    @Override

    protected void onDestroy() {

	super.onDestroy();

	this.unregisterReceiver(mReceiver);

    }

    /**

     * Return the status index from status the settings.

     * @return the status index from status the settings.

     */

    private int getPreferenceStatusIndex() {

    }

    /**

     * Return the status text from status the settings.

     * @param id status text id.

     * @return the status text from status the settings.

     */

    private String getPreferenceString(int id) {

	return mSettings.getString(getString(id), "");

    }

    /**

     * convert status text to.

     * @param item selected item text.

     * @return item position in the array.

     */

    private int getStatusForService(String item) {

	switch (mAdapter.getPosition(item)) {

	    case ChangeStatus.DISCONNECTED_IDX:

		return Status.CONTACT_STATUS_DISCONNECT;

	    case ChangeStatus.AVAILABLE_FOR_CHAT_IDX:

		return Status.CONTACT_STATUS_AVAILABLE_FOR_CHAT;

	    case ChangeStatus.AVAILABLE_IDX:

		return Status.CONTACT_STATUS_AVAILABLE;

	    case ChangeStatus.AWAY_IDX:

		return Status.CONTACT_STATUS_AWAY;

	    case ChangeStatus.BUSY_IDX:

		return Status.CONTACT_STATUS_BUSY;

	    case ChangeStatus.UNAVAILABLE_IDX:

		return Status.CONTACT_STATUS_UNAVAILABLE;

	    default:

		return Status.CONTACT_STATUS_AVAILABLE;

	}

    }

    /**

     * connection to service.

     * @author nikita

     */

    private class BeemServiceConnection implements ServiceConnection {

	/**

	 * constructor.

	 */

	public BeemServiceConnection() {

	}

	/**

	 * {@inheritDoc}

	 */

	@Override

	public void onServiceConnected(ComponentName name, IBinder service) {

	    mXmppFacade = IXmppFacade.Stub.asInterface(service);

	}

	/**

	 * {@inheritDoc}

	 */

	@Override

	public void onServiceDisconnected(ComponentName name) {

	    mXmppFacade = null;

	}

    }

    /**

     * User have clicked on ok.

     * @author nikita

     */

    private class MyOnClickListener implements OnClickListener {

	/**

	 * constructor.

	 */

	public MyOnClickListener() {

	}

	@Override

	public void onClick(View v) {

	    if (v == mOk) {

		if (!mStatusMessageEditText.getText().toString().equals(

		    getPreferenceString(R.string.PreferenceStatusText))

		    || getPreferenceStatusIndex() != mSpinner.getSelectedItemPosition()) {

		    String msg = mStatusMessageEditText.getText().toString();

		    int status = getStatusForService((String) mSpinner.getSelectedItem());

		    Editor edit = mSettings.edit();

		    edit.putString(getString(R.string.PreferenceStatusText), msg);

		    edit.putInt(getString(R.string.PreferenceStatus), mSpinner.getSelectedItemPosition());

		    edit.commit();

		    if (status == Status.CONTACT_STATUS_DISCONNECT) {

			stopService(new Intent(ChangeStatus.this, BeemService.class));

		    } else {

			try {

			    mXmppFacade.changeStatus(status, msg.toString());

			} catch (RemoteException e) {

			    e.printStackTrace();

			}

			mToast.show();

		    }

		}

		ChangeStatus.this.finish();

	    } else if (v == mClear) {

		mStatusMessageEditText.setText(null);

	    }

	}

    }

}